[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 20 18:11:22 UTC 2014


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 21 Jun, 2014

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              500142
    Prefixes after maximum aggregation:                          195076
    Deaggregation factor:                                          2.56
    Unique aggregates announced to Internet:                     246641
Total ASes present in the Internet Routing Table:                 47078
    Prefixes per ASN:                                             10.62
Origin-only ASes present in the Internet Routing Table:           35900
Origin ASes announcing only one prefix:                           16317
Transit ASes present in the Internet Routing Table:                6097
Transit-only ASes present in the Internet Routing Table:            173
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      53
    Max AS path prepend of ASN ( 50404)                              51
Prefixes from unregistered ASNs in the Routing Table:              1758
    Unregistered ASNs in the Routing Table:                         458
Number of 32-bit ASNs allocated by the RIRs:                       6875
Number of 32-bit ASNs visible in the Routing Table:                5081
Prefixes from 32-bit ASNs in the Routing Table:                   17602
Number of bogon 32-bit ASNs visible in the Routing Table:           256
Special use prefixes present in the Routing Table:                   13
Prefixes being announced from unallocated address space:            401
Number of addresses announced to Internet:                   2695212164
    Equivalent to 160 /8s, 165 /16s and 172 /24s
    Percentage of available address space announced:               72.8
    Percentage of allocated address space announced:               72.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               96.6
Total number of prefixes smaller than registry allocations:      173092

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   119875
    Total APNIC prefixes after maximum aggregation:               35406
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          123023
    Unique aggregates announced from the APNIC address blocks:    51316
APNIC Region origin ASes present in the Internet Routing Table:    4956
    APNIC Prefixes per ASN:                                       24.82
APNIC Region origin ASes announcing only one prefix:               1224
APNIC Region transit ASes present in the Internet Routing Table:    866
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         20
Number of APNIC region 32-bit ASNs visible in the Routing Table:    985
Number of APNIC addresses announced to Internet:              733773440
    Equivalent to 43 /8s, 188 /16s and 126 /24s
    Percentage of available APNIC address space announced:         85.8

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-63999, 131072-133631
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    169112
    Total ARIN prefixes after maximum aggregation:                83993
    ARIN Deaggregation factor:                                     2.01
Prefixes being announced from the ARIN address blocks:           170818
    Unique aggregates announced from the ARIN address blocks:     79633
ARIN Region origin ASes present in the Internet Routing Table:    16303
    ARIN Prefixes per ASN:                                        10.48
ARIN Region origin ASes announcing only one prefix:                6108
ARIN Region transit ASes present in the Internet Routing Table:    1687
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          22
Number of ARIN region 32-bit ASNs visible in the Routing Table:     123
Number of ARIN addresses announced to Internet:              1077063936
    Equivalent to 64 /8s, 50 /16s and 177 /24s
    Percentage of available ARIN address space announced:          57.0

ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 393216-394239
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    124078
    Total RIPE prefixes after maximum aggregation:                62752
    RIPE Deaggregation factor:                                     1.98
Prefixes being announced from the RIPE address blocks:           128701
    Unique aggregates announced from the RIPE address blocks:     81550
RIPE Region origin ASes present in the Internet Routing Table:    17714
    RIPE Prefixes per ASN:                                         7.27
RIPE Region origin ASes announcing only one prefix:                8256
RIPE Region transit ASes present in the Internet Routing Table:    2874
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          53
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2716
Number of RIPE addresses announced to Internet:               658270340
    Equivalent to 39 /8s, 60 /16s and 104 /24s
    Percentage of available RIPE address space announced:          95.7

RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 196608-202239
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   57307
    Total LACNIC prefixes after maximum aggregation:              10229
    LACNIC Deaggregation factor:                                   5.60
Prefixes being announced from the LACNIC address blocks:          64433
    Unique aggregates announced from the LACNIC address blocks:   29402
LACNIC Region origin ASes present in the Internet Routing Table:   2107
    LACNIC Prefixes per ASN:                                      30.58
LACNIC Region origin ASes announcing only one prefix:               524
LACNIC Region transit ASes present in the Internet Routing Table:   440
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1219
Number of LACNIC addresses announced to Internet:             165961856
    Equivalent to 9 /8s, 228 /16s and 96 /24s
    Percentage of available LACNIC address space announced:        98.9

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  12057
    Total AfriNIC prefixes after maximum aggregation:              2659
    AfriNIC Deaggregation factor:                                  4.53
Prefixes being announced from the AfriNIC address blocks:         12766
    Unique aggregates announced from the AfriNIC address blocks:   4386
AfriNIC Region origin ASes present in the Internet Routing Table:   719
    AfriNIC Prefixes per ASN:                                     17.76
AfriNIC Region origin ASes announcing only one prefix:              205
AfriNIC Region transit ASes present in the Internet Routing Table:  155
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   38
Number of AfriNIC addresses announced to Internet:             57427200
    Equivalent to 3 /8s, 108 /16s and 69 /24s
    Percentage of available AfriNIC address space announced:       57.0

AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4766     2932      11591         921   Korea Telecom
17974     2800        899          72   PT Telekomunikasi Indonesia
 7545     2279        320         118   TPG Telecom Limited
 4755     1860        396         199   TATA Communications formerly 
 9829     1612       1307          32   National Internet Backbone
 9583     1303        101         536   Sify Limited
 9498     1266        314          85   BHARTI Airtel Ltd.
 7552     1243       1098          14   Viettel Corporation
 4808     1224       2152         366   CNCGROUP IP network China169 
24560     1162        398         190   Bharti Airtel Ltd., Telemedia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 6389     2957       3688          53   BellSouth.net Inc.
22773     2567       2938         138   Cox Communications Inc.
 7029     2255       1905         303   Windstream Communications Inc
18566     2047        379         178   MegaPath Corporation
20115     1714       1700         571   Charter Communications
 4323     1633       1073         414   tw telecom holdings, inc.
30036     1464        320         566   Mediacom Communications Corp
  701     1444      11188         731   MCI Communications Services, 
 6983     1382        818         314   ITC^Deltacom
22561     1307        402         233   CenturyTel Internet Holdings,

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
34984     1709        264         274   TELLCOM ILETISIM HIZMETLERI A
20940     1403        545        1039   Akamai International B.V.
 8402     1374        544          16   OJSC "Vimpelcom"
13188     1031        100          28   TOV "Bank-Inform"
31148     1017         45          20   Freenet Ltd.
 8551      945        370          40   Bezeq International-Ltd
 6849      824        359          29   JSC "Ukrtelecom"
 6830      771       2335         429   Liberty Global Operations B.V
12479      730        795          57   France Telecom Espana SA
 9198      576        344          28   JSC Kazakhtelecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3764       2019          99   NET Serviços de Comunicação S
10620     2898        469         201   Telmex Colombia S.A.
18881     2047       1036          22   Global Village Telecom
 7303     1769       1179         231   Telecom Argentina S.A.
 8151     1439       2971         419   Uninet S.A. de C.V.
 6503     1140        434          60   Axtel, S.A.B. de C.V.
 7738      979       1882          41   Telemar Norte Leste S.A.
27947      890        130          51   Telconet S.A
26615      862       2325          35   Tim Celular S.A.
 3816      825        341         147   COLOMBIA TELECOMUNICACIONES S

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
36998     1114        240           6   Sudanese Mobile Telephone (ZA
24863      940        280          26   Link Egypt (Link.NET)
 6713      648        732          35   Office National des Postes et
 8452      589        958          13   TE-AS
24835      306        144           9   Vodafone Data
36992      300        783          24   ETISALAT MISR
 3741      250        921         213   Internet Solutions
37054      243         19           6   Data Telecom Service
29571      225         22          17   Cote d'Ivoire Telecom
15706      187         32           6   Sudatel (Sudan Telecom Co. Lt

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3764       2019          99   NET Serviços de Comunicação S
 6389     2957       3688          53   BellSouth.net Inc.
 4766     2932      11591         921   Korea Telecom
10620     2898        469         201   Telmex Colombia S.A.
17974     2800        899          72   PT Telekomunikasi Indonesia
22773     2567       2938         138   Cox Communications Inc.
 7545     2279        320         118   TPG Telecom Limited
 7029     2255       1905         303   Windstream Communications Inc
18566     2047        379         178   MegaPath Corporation
18881     2047       1036          22   Global Village Telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 6389      2957        2904      BellSouth.net Inc.
17974      2800        2728      PT Telekomunikasi Indonesia
10620      2898        2697      Telmex Colombia S.A.
22773      2567        2429      Cox Communications Inc.
 7545      2279        2161      TPG Telecom Limited
18881      2047        2025      Global Village Telecom
 4766      2932        2011      Korea Telecom
 7029      2255        1952      Windstream Communications Inc
18566      2047        1869      MegaPath Corporation
 4755      1860        1661      TATA Communications formerly 

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
65456   PRIVATE      5.109.32.0/19        23456       32bit Transition AS
65456   PRIVATE      5.109.96.0/19        23456       32bit Transition AS
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         2828       XO Communications
20260   UNALLOCATED  8.25.160.0/24         3356       Level 3 Communicatio
20260   UNALLOCATED  8.25.161.0/24         3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.122.0/24        12180       Internap Network Ser
46473   UNALLOCATED  8.27.124.0/24        12180       Internap Network Ser
22511   UNALLOCATED  8.28.225.0/24         2828       XO Communications
22511   UNALLOCATED  8.36.68.0/24          2828       XO Communications

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.88.0.0/16         6697     Republican Unitary Telecommun
100.89.0.0/16         6697     Republican Unitary Telecommun
100.90.0.0/16         6697     Republican Unitary Telecommun
100.91.0.0/16         6697     Republican Unitary Telecommun
100.92.0.0/16         6697     Republican Unitary Telecommun
100.93.0.0/16         6697     Republican Unitary Telecommun
100.94.0.0/16         6697     Republican Unitary Telecommun
100.95.0.0/16         6697     Republican Unitary Telecommun
100.96.0.0/14         6697     Republican Unitary Telecommun
100.104.0.0/13        6697     Republican Unitary Telecommun

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
24.231.96.0/24       21548     MTO Telecom Inc.
27.100.7.0/24        56096     >>UNKNOWN<<
41.73.1.0/24         37004     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<
41.73.10.0/24        37004     >>UNKNOWN<<
41.73.11.0/24        37004     >>UNKNOWN<<
41.73.12.0/24        37004     >>UNKNOWN<<
41.73.13.0/24        37004     >>UNKNOWN<<
41.73.14.0/24        37004     >>UNKNOWN<<
41.73.15.0/24        37004     >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:12      /10:30      /11:90      /12:258     
/13:489     /14:982     /15:1701    /16:13000   /17:6939    /18:11691   
/19:24674   /20:34579   /21:37111   /22:53559   /23:46902   /24:265933  
/25:814     /26:911     /27:398     /28:13      /29:18      /30:8       
/31:1       /32:13      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
18566     2002          2047      MegaPath Corporation
22773     1812          2567      Cox Communications Inc.
 6389     1694          2957      BellSouth.net Inc.
30036     1301          1464      Mediacom Communications Corp
11492     1203          1251      CABLE ONE, INC.
 7029     1143          2255      Windstream Communications Inc
 6983     1088          1382      ITC^Deltacom
36998     1080          1114      Sudanese Mobile Telephone (ZA
 8402     1056          1374      OJSC "Vimpelcom"
34984     1038          1709      TELLCOM ILETISIM HIZMETLERI A

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1132      2:670       3:3         4:15        5:991       6:19     
   8:714      12:1828     13:4        14:1049     15:14       16:2      
  17:37       18:21       20:36       23:930      24:1756     27:1766   
  31:1488     32:43       33:2        34:5        36:136      37:1838   
  38:957      39:7        40:204      41:3210     42:257      43:70     
  44:12       45:20       46:2072     47:23       49:725      50:939    
  52:12       54:47       55:6        57:29       58:1229     59:605    
  60:412      61:1561     62:1257     63:1951     64:4369     65:2292   
  66:4175     67:2067     68:1063     69:3353     70:866      71:439    
  72:2017     74:2639     75:326      76:407      77:1688     78:859    
  79:702      80:1312     81:1201     82:753      83:755      84:743    
  85:1313     86:433      87:1179     88:468      89:1822     90:139    
  91:5691     92:703      93:1772     94:2066     95:1561     96:531    
  97:358      98:1091     99:49      100:66      101:830     103:5155   
 104:23      105:543     106:172     107:634     108:595     109:2021   
 110:984     111:1338    112:668     113:848     114:895     115:1134   
 116:1107    117:947     118:1419    119:1393    120:392     121:825    
 122:2057    123:1339    124:1434    125:1481    128:593     129:342    
 130:348     131:666     132:417     133:164     134:321     135:74     
 136:260     137:285     138:364     139:165     140:216     141:388    
 142:568     143:443     144:508     145:100     146:638     147:476    
 148:907     149:364     150:174     151:711     152:441     153:219    
 154:299     155:500     156:353     157:337     158:243     159:911    
 160:326     161:553     162:1536    163:262     164:690     165:617    
 166:284     167:629     168:1057    169:124     170:1437    171:193    
 172:23      173:1615    174:708     175:604     176:1365    177:3233   
 178:2043    179:686     180:1780    181:1218    182:1582    183:524    
 184:729     185:1757    186:2844    187:1607    188:2114    189:1487   
 190:7312    191:362     192:7373    193:5516    194:4027    195:3521   
 196:1420    197:678     198:5087    199:5518    200:6274    201:2596   
 202:9116    203:8912    204:4591    205:2660    206:2971    207:2984   
 208:3981    209:3736    210:3107    211:1717    212:2297    213:2094   
 214:896     215:87      216:5591    217:1693    218:597     219:330    
 220:1281    221:625     222:353     223:602    

End of report


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