[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri May 15 18:12:06 UTC 2015


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,
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 16 May, 2015

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

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

BGP routing table entries examined:                              544597
    Prefixes after maximum aggregation (per Origin AS):          207309
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      265266
Total ASes present in the Internet Routing Table:                 50345
    Prefixes per ASN:                                             10.82
Origin-only ASes present in the Internet Routing Table:           36669
Origin ASes announcing only one prefix:                           16315
Transit ASes present in the Internet Routing Table:                6314
Transit-only ASes present in the Internet Routing Table:            171
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      44
    Max AS path prepend of ASN ( 55944)                              41
Prefixes from unregistered ASNs in the Routing Table:              1137
    Unregistered ASNs in the Routing Table:                         404
Number of 32-bit ASNs allocated by the RIRs:                       9483
Number of 32-bit ASNs visible in the Routing Table:                7362
Prefixes from 32-bit ASNs in the Routing Table:                   26788
Number of bogon 32-bit ASNs visible in the Routing Table:             8
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            381
Number of addresses announced to Internet:                   2756729056
    Equivalent to 164 /8s, 80 /16s and 88 /24s
    Percentage of available address space announced:               74.5
    Percentage of allocated address space announced:               74.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               97.3
Total number of prefixes smaller than registry allocations:      183001

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

Prefixes being announced by APNIC Region ASes:                   134278
    Total APNIC prefixes after maximum aggregation:               39134
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          140442
    Unique aggregates announced from the APNIC address blocks:    57068
APNIC Region origin ASes present in the Internet Routing Table:    5046
    APNIC Prefixes per ASN:                                       27.83
APNIC Region origin ASes announcing only one prefix:               1213
APNIC Region transit ASes present in the Internet Routing Table:    881
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         44
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1436
Number of APNIC addresses announced to Internet:              748187328
    Equivalent to 44 /8s, 152 /16s and 110 /24s
    Percentage of available APNIC address space announced:         87.4

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 131072-135580
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:                    178798
    Total ARIN prefixes after maximum aggregation:                87957
    ARIN Deaggregation factor:                                     2.03
Prefixes being announced from the ARIN address blocks:           181364
    Unique aggregates announced from the ARIN address blocks:     84503
ARIN Region origin ASes present in the Internet Routing Table:    16600
    ARIN Prefixes per ASN:                                        10.93
ARIN Region origin ASes announcing only one prefix:                6118
ARIN Region transit ASes present in the Internet Routing Table:    1726
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:     441
Number of ARIN addresses announced to Internet:              1080161056
    Equivalent to 64 /8s, 97 /16s and 243 /24s
    Percentage of available ARIN address space announced:          57.1

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, 64198-64296, 393216-395164
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:                    132181
    Total RIPE prefixes after maximum aggregation:                65857
    RIPE Deaggregation factor:                                     2.01
Prefixes being announced from the RIPE address blocks:           138555
    Unique aggregates announced from the RIPE address blocks:     85570
RIPE Region origin ASes present in the Internet Routing Table:    17964
    RIPE Prefixes per ASN:                                         7.71
RIPE Region origin ASes announcing only one prefix:                8157
RIPE Region transit ASes present in the Internet Routing Table:    2964
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    3695
Number of RIPE addresses announced to Internet:               694796544
    Equivalent to 41 /8s, 105 /16s and 193 /24s
    Percentage of available RIPE address space announced:         101.0

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:                   59651
    Total LACNIC prefixes after maximum aggregation:              11273
    LACNIC Deaggregation factor:                                   5.29
Prefixes being announced from the LACNIC address blocks:          69921
    Unique aggregates announced from the LACNIC address blocks:   32620
LACNIC Region origin ASes present in the Internet Routing Table:   2438
    LACNIC Prefixes per ASN:                                      28.68
LACNIC Region origin ASes announcing only one prefix:               628
LACNIC Region transit ASes present in the Internet Routing Table:   500
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1677
Number of LACNIC addresses announced to Internet:             168058368
    Equivalent to 10 /8s, 4 /16s and 94 /24s
    Percentage of available LACNIC address space announced:       100.2

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-265628 + 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:                  12727
    Total AfriNIC prefixes after maximum aggregation:              3044
    AfriNIC Deaggregation factor:                                  4.18
Prefixes being announced from the AfriNIC address blocks:         13934
    Unique aggregates announced from the AfriNIC address blocks:   5177
AfriNIC Region origin ASes present in the Internet Routing Table:   734
    AfriNIC Prefixes per ASN:                                     18.98
AfriNIC Region origin ASes announcing only one prefix:              199
AfriNIC Region transit ASes present in the Internet Routing Table:  162
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  113
Number of AfriNIC addresses announced to Internet:             65147392
    Equivalent to 3 /8s, 226 /16s and 18 /24s
    Percentage of available AfriNIC address space announced:       64.7

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     2928      11557         913   Korea Telecom
17974     2770        904          81   PT Telekomunikasi Indonesia
 7545     2588        336         130   TPG Telecom Limited
 4755     2019        423         218   TATA Communications formerly 
 4538     1935       4190          72   China Education and Research 
 9829     1656       1326          39   National Internet Backbone
 9808     1574       8717          28   Guangdong Mobile Communicatio
 4808     1427       2241         453   CNCGROUP IP network China169 
 9583     1417        118         578   Sify Limited
 9498     1337        335         100   BHARTI Airtel Ltd.

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
22773     3031       2955         140   Cox Communications Inc.
 6389     2798       3688          51   BellSouth.net Inc.
 3356     2568      10686         493   Level 3 Communications, Inc.
18566     2042        379         185   MegaPath Corporation
20115     1880       1850         430   Charter Communications
 6983     1750        866         246   EarthLink, Inc.
 4323     1610       1022         410   tw telecom holdings, inc.
30036     1536        314         486   Mediacom Communications Corp
  701     1391      11290         680   MCI Communications Services, 
22561     1358        413         248   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
39891     2473        132           7   SaudiNet, Saudi Telecom Compa
34984     1987        304         353   TELLCOM ILETISIM HIZMETLERI A
20940     1859        726        1364   Akamai International B.V.
 6849     1213        356          24   JSC "Ukrtelecom"
 8402     1051        544          15   OJSC "Vimpelcom"
31148     1047         45          27   Freenet Ltd.
13188     1040         97          70   TOV "Bank-Inform"
12479      927        867          76   France Telecom Espana SA
 6830      907       2693         466   Liberty Global Operations B.V
 8551      885        373          48   Bezeq International-Ltd

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
10620     3222        526         191   Telmex Colombia S.A.
28573     2302       2169         117   NET Serviços de Comunicação S
 7303     1662       1045         243   Telecom Argentina S.A.
 6147     1632        374          30   Telefonica del Peru S.A.A.
 8151     1629       3235         465   Uninet S.A. de C.V.
 6503     1250        421          54   Axtel, S.A.B. de C.V.
26615     1052       2325          35   Tim Celular S.A.
 7738      999       1882          41   Telemar Norte Leste S.A.
 3816      921        422         155   COLOMBIA TELECOMUNICACIONES S
18881      869       1036          22   Global Village Telecom

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
 8452     1632        958          13   TE-AS
24863      900        280          26   Link Egypt (Link.NET)
36903      504        254          98   Office National des Postes et
36992      419       1229          32   ETISALAT MISR
37492      303        171          72   Orange Tunisie
24835      301        146          13   Vodafone Data
 3741      250        857         208   Internet Solutions
29571      241         21          12   Cote d'Ivoire Telecom
36947      202        807          13   Telecom Algeria
37054      200         19           6   Data Telecom Service

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
10620     3222        526         191   Telmex Colombia S.A.
22773     3031       2955         140   Cox Communications Inc.
 4766     2928      11557         913   Korea Telecom
 6389     2798       3688          51   BellSouth.net Inc.
17974     2770        904          81   PT Telekomunikasi Indonesia
 7545     2588        336         130   TPG Telecom Limited
 3356     2568      10686         493   Level 3 Communications, Inc.
39891     2473        132           7   SaudiNet, Saudi Telecom Compa
28573     2302       2169         117   NET Serviços de Comunicação S
18566     2042        379         185   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
22773      3031        2891      Cox Communications Inc.
 6389      2798        2747      BellSouth.net Inc.
17974      2770        2689      PT Telekomunikasi Indonesia
39891      2473        2466      SaudiNet, Saudi Telecom Compa
 7545      2588        2458      TPG Telecom Limited
28573      2302        2185      NET Serviços de Comunicação S
 3356      2568        2075      Level 3 Communications, Inc.
 4766      2928        2015      Korea Telecom
 4538      1935        1863      China Education and Research 
18566      2042        1857      MegaPath Corporation

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

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

Bad AS  Designation  Network              Transit AS  Description
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         3356       Level 3 Communicatio
46467   UNALLOCATED  8.19.192.0/24        46887       Lightower Fiber Netw
18985   UNALLOCATED  8.21.68.0/22          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
27205   UNALLOCATED  8.38.16.0/21          6461       Abovenet Communicati
15347   UNALLOCATED  8.224.147.0/24       12064       Cox Communications I
33628   UNALLOCATED  12.0.239.0/24         1239       Sprint
32805   UNALLOCATED  12.1.225.0/24         7018       AT&T Services, Inc.

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

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

Prefix             Origin AS  Description
100.100.100.0/24     48159     Telecommunication Infrastruct

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

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

Network            Origin AS  Description
5.100.241.0/24       23456     32bit Transition AS
23.226.112.0/20      62788     >>UNKNOWN<<
27.100.7.0/24        56096     >>UNKNOWN<<
31.217.248.0/21      44902     COVAGE NETWORKS SASU
41.73.1.0/24         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<<
41.73.15.0/24        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        /8:17       /9:12      /10:34      /11:94      /12:264     
/13:504     /14:1005    /15:1714    /16:12936   /17:7221    /18:12313   
/19:25437   /20:35970   /21:38561   /22:59301   /23:51903   /24:294315  
/25:1100    /26:1132    /27:718     /28:14      /29:12      /30:7       
/31:0       /32:13      

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

  ASN   No of nets  Total ann.   Description
39891     2432          2473      SaudiNet, Saudi Telecom Compa
22773     2243          3031      Cox Communications Inc.
18566     1996          2042      MegaPath Corporation
 6389     1641          2798      BellSouth.net Inc.
 6983     1396          1750      EarthLink, Inc.
30036     1374          1536      Mediacom Communications Corp
34984     1305          1987      TELLCOM ILETISIM HIZMETLERI A
 6147     1183          1632      Telefonica del Peru S.A.A.
10620     1135          3222      Telmex Colombia S.A.
11492     1109          1185      CABLE ONE, INC.

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

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

   1:1478      2:680       4:93        5:1798      6:24        8:1418   
  11:1        12:1822     13:10       14:1324     15:17       16:2      
  17:43       18:22       20:48       23:1225     24:1696     27:1867   
  31:1589     32:38       33:2        34:4        35:3        36:117    
  37:1908     38:1018     39:6        40:251      41:3007     42:284    
  43:1274     44:26       45:572      46:2191     47:40       49:855    
  50:805      52:12       54:73       55:7        56:8        57:39     
  58:1286     59:714      60:475      61:1752     62:1326     63:1915   
  64:4409     65:2250     66:4070     67:2066     68:1055     69:3265   
  70:980      71:448      72:1961     74:2655     75:337      76:422    
  77:1452     78:1186     79:803      80:1335     81:1338     82:812    
  83:696      84:717      85:1372     86:393      87:1044     88:514    
  89:1831     90:151      91:5977     92:837      93:2220     94:2016   
  95:2134     96:428      97:354      98:1053     99:49      100:70     
 101:830     103:7392    104:1778    105:63      106:244     107:953    
 108:627     109:2044    110:1102    111:1487    112:800     113:1077   
 114:821     115:1281    116:1359    117:1057    118:1804    119:1452   
 120:448     121:1080    122:2138    123:1809    124:1511    125:1583   
 128:647     129:386     130:396     131:1182    132:490     133:174    
 134:414     135:107     136:325     137:309     138:717     139:147    
 140:236     141:444     142:671     143:504     144:569     145:115    
 146:702     147:585     148:1131    149:402     150:562     151:597    
 152:494     153:243     154:487     155:859     156:406     157:463    
 158:319     159:1005    160:379     161:659     162:1927    163:423    
 164:669     165:691     166:307     167:828     168:1294    169:169    
 170:1462    171:245     172:45      173:1518    174:710     175:689    
 176:1308    177:3766    178:2161    179:960     180:1963    181:1689   
 182:1769    183:616     184:740     185:3481    186:2654    187:1739   
 188:2040    189:1575    190:7707    191:974     192:8332    193:5601   
 194:4136    195:3641    196:1641    197:1030    198:5536    199:5544   
 200:6661    201:3092    202:9437    203:9130    204:4668    205:2829   
 206:3086    207:2951    208:3966    209:3963    210:3526    211:1849   
 212:2526    213:2337    214:869     215:72      216:5662    217:1821   
 218:697     219:463     220:1452    221:785     222:476     223:686    


End of report



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