[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 6 18:10:15 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 07 Jun, 2014

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

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

BGP routing table entries examined:                              397690
    Prefixes after maximum aggregation:                          149932
    Deaggregation factor:                                          2.65
    Unique aggregates announced to Internet:                     198863
Total ASes present in the Internet Routing Table:                 41820
    Prefixes per ASN:                                              9.51
Origin-only ASes present in the Internet Routing Table:           31178
Origin ASes announcing only one prefix:                           15269
Transit ASes present in the Internet Routing Table:                5744
Transit-only ASes present in the Internet Routing Table:            375
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:              1355
    Unregistered ASNs in the Routing Table:                         357
Number of 32-bit ASNs allocated by the RIRs:                       6795
Number of 32-bit ASNs visible in the Routing Table:                4898
Prefixes from 32-bit ASNs in the Routing Table:                   16497
Number of bogon 32-bit ASNs visible in the Routing Table:           189
Special use prefixes present in the Routing Table:                   13
Prefixes being announced from unallocated address space:            292
Number of addresses announced to Internet:                   2359161540
    Equivalent to 140 /8s, 157 /16s and 242 /24s
    Percentage of available address space announced:               63.7
    Percentage of allocated address space announced:               63.7
    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:      146784

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

Prefixes being announced by APNIC Region ASes:                    76674
    Total APNIC prefixes after maximum aggregation:               19223
    APNIC Deaggregation factor:                                    3.99
Prefixes being announced from the APNIC address blocks:           79129
    Unique aggregates announced from the APNIC address blocks:    31503
APNIC Region origin ASes present in the Internet Routing Table:    3334
    APNIC Prefixes per ASN:                                       23.73
APNIC Region origin ASes announcing only one prefix:                877
APNIC Region transit ASes present in the Internet Routing Table:    744
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         19
Number of APNIC region 32-bit ASNs visible in the Routing Table:    902
Number of APNIC addresses announced to Internet:              578465088
    Equivalent to 34 /8s, 122 /16s and 173 /24s
    Percentage of available APNIC address space announced:         67.6

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:                    127334
    Total ARIN prefixes after maximum aggregation:                61196
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           128625
    Unique aggregates announced from the ARIN address blocks:     60916
ARIN Region origin ASes present in the Internet Routing Table:    13478
    ARIN Prefixes per ASN:                                         9.54
ARIN Region origin ASes announcing only one prefix:                5586
ARIN Region transit ASes present in the Internet Routing Table:    1517
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:      98
Number of ARIN addresses announced to Internet:               952701696
    Equivalent to 56 /8s, 201 /16s and 19 /24s
    Percentage of available ARIN address space announced:          50.4

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:                    111757
    Total RIPE prefixes after maximum aggregation:                57339
    RIPE Deaggregation factor:                                     1.95
Prefixes being announced from the RIPE address blocks:           116566
    Unique aggregates announced from the RIPE address blocks:     74504
RIPE Region origin ASes present in the Internet Routing Table:    16937
    RIPE Prefixes per ASN:                                         6.88
RIPE Region origin ASes announcing only one prefix:                8090
RIPE Region transit ASes present in the Internet Routing Table:    2817
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:    2663
Number of RIPE addresses announced to Internet:               610071428
    Equivalent to 36 /8s, 92 /16s and 243 /24s
    Percentage of available RIPE address space announced:          88.7

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:                   53757
    Total LACNIC prefixes after maximum aggregation:               9603
    LACNIC Deaggregation factor:                                   5.60
Prefixes being announced from the LACNIC address blocks:          60731
    Unique aggregates announced from the LACNIC address blocks:   27436
LACNIC Region origin ASes present in the Internet Routing Table:   2069
    LACNIC Prefixes per ASN:                                      29.35
LACNIC Region origin ASes announcing only one prefix:               511
LACNIC Region transit ASes present in the Internet Routing Table:   435
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1200
Number of LACNIC addresses announced to Internet:             159177472
    Equivalent to 9 /8s, 124 /16s and 219 /24s
    Percentage of available LACNIC address space announced:        94.9

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:                  11622
    Total AfriNIC prefixes after maximum aggregation:              2549
    AfriNIC Deaggregation factor:                                  4.56
Prefixes being announced from the AfriNIC address blocks:         12347
    Unique aggregates announced from the AfriNIC address blocks:   4244
AfriNIC Region origin ASes present in the Internet Routing Table:   711
    AfriNIC Prefixes per ASN:                                     17.37
AfriNIC Region origin ASes announcing only one prefix:              205
AfriNIC Region transit ASes present in the Internet Routing Table:  149
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   35
Number of AfriNIC addresses announced to Internet:             56136448
    Equivalent to 3 /8s, 88 /16s and 147 /24s
    Percentage of available AfriNIC address space announced:       55.8

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
17974     2532        876          67   PT Telekomunikasi Indonesia
 7545     1673        227          28   TPG Telecom Limited
 9829     1591       1275          30   National Internet Backbone
 4755     1342        315         125   TATA Communications formerly 
 4766     1191       8538         584   Korea Telecom
 7552     1189       1082          12   Viettel Corporation
 9498     1149        281          66   BHARTI Airtel Ltd.
24560     1133        395         170   Bharti Airtel Ltd., Telemedia
 4788      839        466          39   TM Net, Internet Service Prov
 4808      814       1673         216   CNCGROUP IP network China169 

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     2462       3474          43   BellSouth.net Inc.
22773     2457       2914          97   Cox Communications Inc.
18566     1901        367         148   MegaPath Corporation
20115     1693       1686         561   Charter Communications
30036     1417        310         543   Mediacom Communications Corp
  701     1312       9248         633   MCI Communications Services, 
11492     1210        218         407   CABLE ONE, INC.
 1785     1207        402          80   PaeTec Communications, Inc.
 7011     1086        287         657   Frontier Communications of Am
22394     1048       5254         296   Cellco Partnership DBA Verizo

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
 8402     1390        540          15   OJSC "Vimpelcom"
20940     1371        532        1015   Akamai International B.V.
34984     1230        195         146   TELLCOM ILETISIM HIZMETLERI A
13188     1031        100          28   TOV "Bank-Inform"
31148      969         43          18   Freenet Ltd.
 8551      923        349          36   Bezeq International-Ltd
 6849      795        351          24   JSC "Ukrtelecom"
12479      707        786          51   France Telecom Espana SA
 6830      608       2116         376   Liberty Global Operations B.V
 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     3811       2015          98   NET Serviços de Comunicação S
10620     2828        458         198   Telmex Colombia S.A.
18881     2034       1036          22   Global Village Telecom
 7303     1700       1145         230   Telecom Argentina S.A.
 8151     1388       2945         394   Uninet S.A. de C.V.
 6503     1079        430          59   Axtel, S.A.B. de C.V.
 7738      979       1882          41   Telemar Norte Leste S.A.
26615      862       2325          35   Tim Celular S.A.
27947      831        125          46   Telconet S.A
 3816      793        322         131   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      923        276          24   Link Egypt (Link.NET)
 6713      632        719          32   Office National des Postes et
 8452      580        954          11   TE-AS
24835      290        140           8   Vodafone Data
36992      272        735          19   ETISALAT MISR
 3741      246        920         207   Internet Solutions
37054      240         19           6   Data Telecom Service
29571      201         20          15   Cote d'Ivoire Telecom
12258      176         27          67   MWEB CONNECT (PROPRIETARY) LI

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     3811       2015          98   NET Serviços de Comunicação S
10620     2828        458         198   Telmex Colombia S.A.
17974     2532        876          67   PT Telekomunikasi Indonesia
 6389     2462       3474          43   BellSouth.net Inc.
22773     2457       2914          97   Cox Communications Inc.
18881     2034       1036          22   Global Village Telecom
18566     1901        367         148   MegaPath Corporation
 7303     1700       1145         230   Telecom Argentina S.A.
20115     1693       1686         561   Charter Communications
 7545     1673        227          28   TPG Telecom Limited

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

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

  ASN   No of nets  Net Savings Description
10620      2828        2630      Telmex Colombia S.A.
17974      2532        2465      PT Telekomunikasi Indonesia
 6389      2462        2419      BellSouth.net Inc.
22773      2457        2360      Cox Communications Inc.
18881      2034        2012      Global Village Telecom
18566      1901        1753      MegaPath Corporation
 7545      1673        1645      TPG Telecom Limited
 9829      1591        1561      National Internet Backbone
 7303      1700        1470      Telecom Argentina S.A.
 8402      1390        1375      OJSC "Vimpelcom"

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
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<<
41.73.16.0/24        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        /8:15       /9:11      /10:27      /11:83      /12:240     
/13:436     /14:869     /15:1497    /16:11451   /17:5877    /18:9665    
/19:19267   /20:28782   /21:31717   /22:45168   /23:38639   /24:202510  
/25:492     /26:652     /27:254     /28:11      /29:12      /30:5       
/31:1       /32:9       

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

  ASN   No of nets  Total ann.   Description
18566     1863          1901      MegaPath Corporation
22773     1750          2457      Cox Communications Inc.
 6389     1427          2462      BellSouth.net Inc.
30036     1256          1417      Mediacom Communications Corp
11492     1175          1210      CABLE ONE, INC.
 8402     1090          1390      OJSC "Vimpelcom"
36998     1080          1114      Sudanese Mobile Telephone (ZA
10620      991          2828      Telmex Colombia S.A.
28573      957          3811      NET Serviços de Comunicação S
31148      914           969      Freenet Ltd.

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

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

   1:1130      2:664       3:3         4:15        5:951       6:19     
   8:702      12:1843     13:3        14:1012     15:13       16:2      
  17:35       18:21       20:39       23:872      24:1745     25:1      
  27:1769     31:1503     32:43       33:2        34:5        36:138    
  37:1588     38:950      39:7        40:204      41:3235     42:256    
  43:29       44:11       45:1        46:2081     47:22       49:702    
  50:940      52:12       54:48       55:5        57:28       58:1225   
  59:605      60:411      61:1549     62:1251     63:1953     64:4360   
  65:2293     66:4171     67:2060     68:1057     69:3344     70:858    
  71:436      72:2019     74:2649     75:325      76:404      77:1701   
  78:854      79:708      80:1296     81:1150     82:753      83:759    
  84:732      85:1312     86:461      87:1178     88:486      89:1834   
  90:141      91:5670     92:697      93:1756     94:2040     95:1540   
  96:524      97:362      98:1083     99:49      100:53      101:815    
 103:5028    104:2       105:542     106:170     107:625     108:588    
 109:2038    110:974     111:1305    112:662     113:840     114:865    
 115:1127    116:1104    117:945     118:1411    119:1379    120:386    
 121:824     122:2039    123:1334    124:1436    125:1464    128:569    
 129:345     130:348     131:664     132:407     133:163     134:320    
 135:74      136:260     137:267     138:357     139:167     140:215    
 141:380     142:569     143:430     144:510     145:104     146:630    
 147:475     148:912     149:363     150:169     151:711     152:438    
 153:219     154:298     155:492     156:342     157:336     158:244    
 159:901     160:327     161:556     162:1505    163:244     164:690    
 165:605     166:279     167:628     168:1055    169:124     170:1436   
 171:188     172:19      173:1610    174:699     175:603     176:1391   
 177:3129    178:2027    179:656     180:1767    181:1146    182:1575   
 183:525     184:721     185:1730    186:2868    187:1574    188:2008   
 189:1454    190:7513    191:352     192:7314    193:5501    194:4014   
 195:3511    196:1401    197:657     198:5073    199:5500    200:6278   
 201:917    

End of report


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