[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 27 18:11:21 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 28 Jun, 2014

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

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

BGP routing table entries examined:                              502028
    Prefixes after maximum aggregation:                          195358
    Deaggregation factor:                                          2.57
    Unique aggregates announced to Internet:                     247111
Total ASes present in the Internet Routing Table:                 47136
    Prefixes per ASN:                                             10.65
Origin-only ASes present in the Internet Routing Table:           35929
Origin ASes announcing only one prefix:                           16325
Transit ASes present in the Internet Routing Table:                6101
Transit-only ASes present in the Internet Routing Table:            169
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:              1747
    Unregistered ASNs in the Routing Table:                         451
Number of 32-bit ASNs allocated by the RIRs:                       6913
Number of 32-bit ASNs visible in the Routing Table:                5106
Prefixes from 32-bit ASNs in the Routing Table:                   17810
Number of bogon 32-bit ASNs visible in the Routing Table:           297
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            373
Number of addresses announced to Internet:                   2704306724
    Equivalent to 161 /8s, 48 /16s and 114 /24s
    Percentage of available address space announced:               73.0
    Percentage of allocated address space announced:               73.0
    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:      173672

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

Prefixes being announced by APNIC Region ASes:                   120759
    Total APNIC prefixes after maximum aggregation:               35496
    APNIC Deaggregation factor:                                    3.40
Prefixes being announced from the APNIC address blocks:          123969
    Unique aggregates announced from the APNIC address blocks:    51572
APNIC Region origin ASes present in the Internet Routing Table:    4959
    APNIC Prefixes per ASN:                                       25.00
APNIC Region origin ASes announcing only one prefix:               1228
APNIC Region transit ASes present in the Internet Routing Table:    876
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         23
Number of APNIC region 32-bit ASNs visible in the Routing Table:    995
Number of APNIC addresses announced to Internet:              734127232
    Equivalent to 43 /8s, 193 /16s and 228 /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:                    169157
    Total ARIN prefixes after maximum aggregation:                84089
    ARIN Deaggregation factor:                                     2.01
Prefixes being announced from the ARIN address blocks:           170870
    Unique aggregates announced from the ARIN address blocks:     79753
ARIN Region origin ASes present in the Internet Routing Table:    16319
    ARIN Prefixes per ASN:                                        10.47
ARIN Region origin ASes announcing only one prefix:                6118
ARIN Region transit ASes present in the Internet Routing Table:    1679
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          31
Number of ARIN region 32-bit ASNs visible in the Routing Table:     124
Number of ARIN addresses announced to Internet:              1087721248
    Equivalent to 64 /8s, 213 /16s and 79 /24s
    Percentage of available ARIN address space announced:          57.5

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:                    124271
    Total RIPE prefixes after maximum aggregation:                62864
    RIPE Deaggregation factor:                                     1.98
Prefixes being announced from the RIPE address blocks:           128967
    Unique aggregates announced from the RIPE address blocks:     81634
RIPE Region origin ASes present in the Internet Routing Table:    17717
    RIPE Prefixes per ASN:                                         7.28
RIPE Region origin ASes announcing only one prefix:                8250
RIPE Region transit ASes present in the Internet Routing Table:    2879
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:    2719
Number of RIPE addresses announced to Internet:               658397060
    Equivalent to 39 /8s, 62 /16s and 87 /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:                   57861
    Total LACNIC prefixes after maximum aggregation:              10203
    LACNIC Deaggregation factor:                                   5.67
Prefixes being announced from the LACNIC address blocks:          65068
    Unique aggregates announced from the LACNIC address blocks:   29431
LACNIC Region origin ASes present in the Internet Routing Table:   2118
    LACNIC Prefixes per ASN:                                      30.72
LACNIC Region origin ASes announcing only one prefix:               524
LACNIC Region transit ASes present in the Internet Routing Table:   441
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1231
Number of LACNIC addresses announced to Internet:             166119936
    Equivalent to 9 /8s, 230 /16s and 202 /24s
    Percentage of available LACNIC address space announced:        99.0

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:                  12064
    Total AfriNIC prefixes after maximum aggregation:              2669
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         12781
    Unique aggregates announced from the AfriNIC address blocks:   4391
AfriNIC Region origin ASes present in the Internet Routing Table:   723
    AfriNIC Prefixes per ASN:                                     17.68
AfriNIC Region origin ASes announcing only one prefix:              205
AfriNIC Region transit ASes present in the Internet Routing Table:  152
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:   37
Number of AfriNIC addresses announced to Internet:             57593856
    Equivalent to 3 /8s, 110 /16s and 208 /24s
    Percentage of available AfriNIC address space announced:       57.2

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         922   Korea Telecom
17974     2780        899          72   PT Telekomunikasi Indonesia
 7545     2232        320         118   TPG Telecom Limited
 4755     1866        396         200   TATA Communications formerly 
 9829     1649       1307          32   National Internet Backbone
 9583     1313        103         537   Sify Limited
 9498     1273        314          88   BHARTI Airtel Ltd.
 7552     1242       1098          14   Viettel Corporation
 4808     1215       2152         366   CNCGROUP IP network China169 
24560     1160        398         188   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     2953       3688          53   BellSouth.net Inc.
22773     2563       2938         135   Cox Communications Inc.
 7029     2223       1905         303   Windstream Communications Inc
18566     2047        379         178   MegaPath Corporation
20115     1715       1702         569   Charter Communications
 4323     1639       1074         418   tw telecom holdings, inc.
30036     1484        323         572   Mediacom Communications Corp
  701     1443      11187         730   MCI Communications Services, 
 6983     1379        818         313   ITC^Deltacom
22561     1308        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     1710        264         274   TELLCOM ILETISIM HIZMETLERI A
20940     1416        550        1051   Akamai International B.V.
 8402     1384        544          15   OJSC "Vimpelcom"
31148     1042         45          20   Freenet Ltd.
13188     1031        100          28   TOV "Bank-Inform"
 8551      956        370          41   Bezeq International-Ltd
 6849      818        356          26   JSC "Ukrtelecom"
 6830      771       2335         429   Liberty Global Operations B.V
12479      732        795          57   France Telecom Espana SA
 9198      579        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     3763       2022         101   NET Serviços de Comunicação S
10620     2900        469         202   Telmex Colombia S.A.
18881     2059       1036          22   Global Village Telecom
 7303     1769       1179         231   Telecom Argentina S.A.
 8151     1443       2975         419   Uninet S.A. de C.V.
 6503     1130        434          61   Axtel, S.A.B. de C.V.
 7738      979       1882          41   Telemar Norte Leste S.A.
 6147      929        373          27   Telefonica del Peru S.A.A.
27947      894        130          51   Telconet S.A
26615      869       2325          35   Tim Celular S.A.

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      939        280          26   Link Egypt (Link.NET)
 6713      668        742          41   Office National des Postes et
 8452      585        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      227         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     3763       2022         101   NET Serviços de Comunicação S
 6389     2953       3688          53   BellSouth.net Inc.
 4766     2932      11591         922   Korea Telecom
10620     2900        469         202   Telmex Colombia S.A.
17974     2780        899          72   PT Telekomunikasi Indonesia
22773     2563       2938         135   Cox Communications Inc.
 7545     2232        320         118   TPG Telecom Limited
 7029     2223       1905         303   Windstream Communications Inc
18881     2059       1036          22   Global Village Telecom
18566     2047        379         178   MegaPath Corporation

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      2953        2900      BellSouth.net Inc.
17974      2780        2708      PT Telekomunikasi Indonesia
10620      2900        2698      Telmex Colombia S.A.
22773      2563        2428      Cox Communications Inc.
 7545      2232        2114      TPG Telecom Limited
18881      2059        2037      Global Village Telecom
 4766      2932        2010      Korea Telecom
 7029      2223        1920      Windstream Communications Inc
18566      2047        1869      MegaPath Corporation
 4755      1866        1666      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

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       /9:13      /10:30      /11:91      /12:258     
/13:487     /14:980     /15:1705    /16:12999   /17:6957    /18:11701   
/19:24652   /20:34964   /21:37252   /22:53685   /23:47081   /24:266970  
/25:821     /26:913     /27:397     /28:13      /29:19      /30:10      
/31:1       /32:13      

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

  ASN   No of nets  Total ann.   Description
18566     2002          2047      MegaPath Corporation
22773     1811          2563      Cox Communications Inc.
 6389     1694          2953      BellSouth.net Inc.
30036     1320          1484      Mediacom Communications Corp
11492     1191          1242      CABLE ONE, INC.
 7029     1121          2223      Windstream Communications Inc
 6983     1086          1379      ITC^Deltacom
36998     1080          1114      Sudanese Mobile Telephone (ZA
 8402     1068          1384      OJSC "Vimpelcom"
34984     1039          1710      TELLCOM ILETISIM HIZMETLERI A

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

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

   1:1158      2:673       3:3         4:15        5:974       6:19     
   8:714      12:1829     13:4        14:1056     15:14       16:2      
  17:37       18:21       20:36       23:935      24:1755     27:1760   
  31:1484     32:43       33:2        34:5        36:136      37:1821   
  38:974      39:7        40:204      41:3213     42:258      43:84     
  44:12       45:29       46:2110     47:24       49:729      50:938    
  52:12       54:47       55:5        56:2        57:29       58:1219   
  59:608      60:399      61:1573     62:1255     63:1889     64:4383   
  65:2291     66:4169     67:2079     68:1064     69:3360     70:867    
  71:441      72:2026     74:2635     75:319      76:407      77:1690   
  78:849      79:700      80:1309     81:1205     82:759      83:757    
  84:754      85:1298     86:434      87:1175     88:452      89:1800   
  90:140      91:5709     92:710      93:1761     94:2071     95:1580   
  96:530      97:358      98:1089     99:49      100:63      101:847    
 103:5146    104:39      105:543     106:175     107:629     108:582    
 109:2023    110:983     111:1364    112:677     113:854     114:895    
 115:1136    116:1098    117:951     118:1475    119:1403    120:417    
 121:830     122:2118    123:1333    124:1434    125:1519    128:585    
 129:339     130:349     131:667     132:418     133:163     134:320    
 135:74      136:277     137:285     138:363     139:166     140:216    
 141:386     142:569     143:411     144:505     145:102     146:639    
 147:481     148:911     149:369     150:198     151:713     152:444    
 153:220     154:311     155:511     156:353     157:337     158:250    
 159:912     160:328     161:558     162:1570    163:263     164:696    
 165:620     166:284     167:631     168:1062    169:125     170:1443   
 171:190     172:33      173:1608    174:710     175:601     176:1404   
 177:3262    178:2056    179:720     180:1764    181:1251    182:1564   
 183:527     184:729     185:1793    186:2877    187:1643    188:2129   
 189:1508    190:7546    191:405     192:7378    193:5514    194:4030   
 195:3519    196:1418    197:667     198:5098    199:5527    200:6286   
 201:2630    202:9094    203:8954    204:4602    205:2671    206:2968   
 207:2986    208:3983    209:3739    210:3128    211:1730    212:2307   
 213:2081    214:872     215:87      216:5598    217:1694    218:610    
 219:330     220:1285    221:629     222:354     223:587    

End of report


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