[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 16 Jan 2010 04:41:28 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 16 Jan, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              309127
          Prefixes after maximum aggregation:                          143543
          Deaggregation factor:                                          2.15
          Unique aggregates announced to Internet:                     151934
      Total ASes present in the Internet Routing Table:                 33091
          Prefixes per ASN:                                              9.34
      Origin-only ASes present in the Internet Routing Table:           28731
      Origin ASes announcing only one prefix:                           14027
      Transit ASes present in the Internet Routing Table:                4360
      Transit-only ASes present in the Internet Routing Table:            103
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      23
          Max AS path prepend of ASN ( 9503)                               21
      Prefixes from unregistered ASNs in the Routing Table:               765
          Unregistered ASNs in the Routing Table:                         136
      Number of 32-bit ASNs allocated by the RIRs:                        393
      Prefixes from 32-bit ASNs in the Routing Table:                     345
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            185
      Number of addresses announced to Internet:                   2176160448
          Equivalent to 129 /8s, 181 /16s and 146 /24s
          Percentage of available address space announced:               58.7
          Percentage of allocated address space announced:               66.5
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               80.8
      Total number of prefixes smaller than registry allocations:      149064
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    74756
          Total APNIC prefixes after maximum aggregation:               25793
          APNIC Deaggregation factor:                                    2.90
      Prefixes being announced from the APNIC address blocks:           71440
          Unique aggregates announced from the APNIC address blocks:    31551
      APNIC Region origin ASes present in the Internet Routing Table:    3907
          APNIC Prefixes per ASN:                                       18.29
      APNIC Region origin ASes announcing only one prefix:               1065
      APNIC Region transit ASes present in the Internet Routing Table:    614
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         23
      Number of APNIC addresses announced to Internet:              488804384
          Equivalent to 29 /8s, 34 /16s and 144 /24s
          Percentage of available APNIC address space announced:         80.9
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks    43/8,  58/8,  59/8,  60/8,  61/8, 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, 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,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    129389
          Total ARIN prefixes after maximum aggregation:                67564
          ARIN Deaggregation factor:                                     1.92
      Prefixes being announced from the ARIN address blocks:           103522
          Unique aggregates announced from the ARIN address blocks:     39181
      ARIN Region origin ASes present in the Internet Routing Table:    13450
          ARIN Prefixes per ASN:                                         7.70
      ARIN Region origin ASes announcing only one prefix:                5209
      ARIN Region transit ASes present in the Internet Routing Table:    1334
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               735534112
          Equivalent to 43 /8s, 215 /16s and 92 /24s
          Percentage of available ARIN address space announced:          64.5
      
      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, 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,  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,  52/8,  54/8,  55/8,
                              56/8,  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, 108/8, 173/8,
                             174/8, 184/8, 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:                     71034
          Total RIPE prefixes after maximum aggregation:                41545
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            64168
          Unique aggregates announced from the RIPE address blocks:     42760
      RIPE Region origin ASes present in the Internet Routing Table:    13981
          RIPE Prefixes per ASN:                                         4.59
      RIPE Region origin ASes announcing only one prefix:                7265
      RIPE Region transit ASes present in the Internet Routing Table:    2100
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               413123840
          Equivalent to 24 /8s, 159 /16s and 197 /24s
          Percentage of available RIPE address space announced:          77.0
      
      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, 196608-197631
      RIPE Address Blocks      2/8,  25/8,  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, 178/8, 193/8, 194/8,
                             195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   27130
          Total LACNIC prefixes after maximum aggregation:               6521
          LACNIC Deaggregation factor:                                   4.16
      Prefixes being announced from the LACNIC address blocks:          25496
          Unique aggregates announced from the LACNIC address blocks:   13826
      LACNIC Region origin ASes present in the Internet Routing Table:   1230
          LACNIC Prefixes per ASN:                                      20.73
      LACNIC Region origin ASes announcing only one prefix:               393
      LACNIC Region transit ASes present in the Internet Routing Table:   203
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        20
      Number of LACNIC addresses announced to Internet:              69936128
          Equivalent to 4 /8s, 43 /16s and 36 /24s
          Percentage of available LACNIC address space announced:        69.5
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   6243
          Total AfriNIC prefixes after maximum aggregation:              1767
          AfriNIC Deaggregation factor:                                  3.53
      Prefixes being announced from the AfriNIC address blocks:          4645
          Unique aggregates announced from the AfriNIC address blocks:   1589
      AfriNIC Region origin ASes present in the Internet Routing Table:   338
          AfriNIC Prefixes per ASN:                                     13.74
      AfriNIC Region origin ASes announcing only one prefix:               95
      AfriNIC Region transit ASes present in the Internet Routing Table:   69
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       18
      Number of AfriNIC addresses announced to Internet:             14818048
          Equivalent to 0 /8s, 226 /16s and 27 /24s
          Percentage of available AfriNIC address space announced:       44.2
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1857       7511         473   Korea Telecom (KIX)
      17488     1464        144         140   Hathway IP Over Cable Interne
       4755     1310        303         136   TATA Communications formerly 
      18101     1036        220          38   Reliance Infocom Ltd Internet
       4134     1019      19477         400   CHINANET-BACKBONE
       9583      999         75         504   Sify Limited
       7545      926        198         100   TPG Internet Pty Ltd
      17974      853        272          54   PT TELEKOMUNIKASI INDONESIA
       9829      839        683          24   BSNL National Internet Backbo
       4808      837       1583         213   CNCGROUP IP network: China169
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4165       3891         302   bellsouth.net, inc. 
       4323     3785       1088         397   Time Warner Telecom
       1785     1794        699         133   PaeTec Communications, Inc.
       7018     1593       5791        1031   AT&T WorldNet Services
      20115     1544       1490         671   Charter Communications 
       2386     1282        615         921   AT&T Data Communications Serv
       3356     1200      10929         423   Level 3 Communications, LLC 
      11492     1128        222          14   Cable One 
      22773     1124       2600          66   Cox Communications, Inc.
       6478     1103        241         273   AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      35805      470         40           5   United Telecom of Georgia
       3292      450       1903         394   TDC Tele Danmark
      30890      436         98         205   Evolva Telecom
        702      421       1821         335   UUNET - Commercial IP service
       8551      397        353          37   Bezeq International
       8866      376        110          24   Bulgarian Telecommunication C
       3320      363       7068         308   Deutsche Telekom AG
       3301      355       1412         308   TeliaNet Sweden
       3215      351       3176         108   France Telecom Transpac
      12479      318        578           6   Uni2 Autonomous System
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1582       2899         233   UniNet S.A. de C.V. 
      10620     1003        224         131   TVCABLE BOGOTA 
      28573      840        674          85   NET Servicos de Comunicao S.A
       7303      670        355         100   Telecom Argentina Stet-France
      22047      547        302          14   VTR PUNTO NET S.A. 
      11830      472        308          59   Instituto Costarricense de El
       6503      445        163         184   AVANTEL, S.A. 
      11172      444         99          69   Servicios Alestra S.A de C.V 
      14117      437         29          12   Telefonica del Sur S.A. 
       7738      431        858          29   Telecomunicacoes da Bahia S.A
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452     1018        444           8   TEDATA
      24863      722        143          53   LINKdotNET AS number
      36992      317         81         161   Etisalat MISR
       3741      273        857         233   The Internet Solution 
       2018      190        197         111   Tertiary Education Network 
       6713      177        167          12   Itissalat Al-MAGHRIB
      29571      161         19           9   Ci Telecom Autonomous system 
      29975      134        506          15   Vodacom
      33776      122          7          11   Starcomms Nigeria Limited
       5536      117          7          17   Internet Egypt Network
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4165       3891         302   bellsouth.net, inc. 
       4323     3785       1088         397   Time Warner Telecom
       4766     1857       7511         473   Korea Telecom (KIX)
       1785     1794        699         133   PaeTec Communications, Inc.
       7018     1593       5791        1031   AT&T WorldNet Services
       8151     1582       2899         233   UniNet S.A. de C.V. 
      20115     1544       1490         671   Charter Communications 
      17488     1464        144         140   Hathway IP Over Cable Interne
       4755     1310        303         136   TATA Communications formerly 
       2386     1282        615         921   AT&T Data Communications Serv
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      3785        3388      Time Warner Telecom
       1785      1794        1661      PaeTec Communications, Inc.
       4766      1857        1384      Korea Telecom (KIX)
       8151      1582        1349      UniNet S.A. de C.V. 
      17488      1464        1324      Hathway IP Over Cable Interne
       4755      1310        1174      TATA Communications formerly 
      11492      1128        1114      Cable One 
      22773      1124        1058      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
       8452      1018        1010      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.159.0/24        7018       AT&T WorldNet Servic
      32326   UNALLOCATED   12.40.49.0/24         7018       AT&T WorldNet Servic
      25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      2.0.0.0/16           12654     RIPE NCC RIS Project
      2.1.0.0/21           12654     RIPE NCC RIS Project
      2.1.24.0/24          12654     RIPE NCC RIS Project
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      46.0.0.0/16          12654     RIPE NCC RIS Project
      46.1.0.0/21          12654     RIPE NCC RIS Project
      46.1.24.0/24         12654     RIPE NCC RIS Project
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      
      Complete listing at http://thyme.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        /8:21       /9:10      /10:25      /11:66      /12:183     
      /13:383     /14:656     /15:1242    /16:10877   /17:5080    /18:8662    
      /19:17764   /20:21725   /21:21659   /22:27993   /23:28180   /24:161693  
      /25:923     /26:1154    /27:588     /28:219     /29:9       /30:7       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2723          4165      bellsouth.net, inc. 
       4323     2363          3785      Time Warner Telecom
       4766     1474          1857      Korea Telecom (KIX)
       1785     1263          1794      PaeTec Communications, Inc.
      17488     1230          1464      Hathway IP Over Cable Interne
      11492     1048          1128      Cable One 
      18566     1040          1059      Covad Communications 
       7018      960          1593      AT&T WorldNet Services
      18101      916          1036      Reliance Infocom Ltd Internet
       8452      914          1018      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:13        8:232      12:2016     13:10       15:22     
        16:3        17:8        20:39       24:1298     32:49       38:640    
        40:99       41:1910     44:3        46:1        47:30       52:6      
        55:2        56:2        57:23       58:631      59:644      60:445    
        61:1096     62:977      63:2004     64:3790     65:2355     66:4098   
        67:1829     68:1048     69:2839     70:689      71:228      72:1859   
        73:3        74:2079     75:220      76:354      77:870      78:574    
        79:409      80:963      81:784      82:471      83:438      84:555    
        85:1020     86:381      87:699      88:416      89:1547     90:65     
        91:2684     92:409      93:1162     94:1286     95:789      96:193    
        97:290      98:490      99:23      100:1       109:220     110:263    
       111:411     112:168     113:221     114:308     115:498     116:1125   
       117:600     118:382     119:809     120:141     121:835     122:1389   
       123:830     124:1038    125:1314    128:198     129:202     130:137    
       131:458     132:84      133:16      134:193     135:41      136:220    
       137:173     138:234     139:80      140:464     141:122     142:376    
       143:345     144:387     145:51      146:404     147:178     148:564    
       149:193     150:151     151:171     152:244     153:165     154:2      
       155:271     156:177     157:331     158:98      159:355     160:304    
       161:175     162:271     163:190     164:309     165:473     166:491    
       167:388     168:759     169:157     170:567     171:46      172:2      
       173:436     174:532     175:23      180:278     183:212     184:3      
       186:267     187:222     188:1259    189:601     190:3469    192:5725   
       193:4402    194:3350    195:2760    196:1169    198:3552    199:3395   
       200:5282    201:1468    202:8069    203:8312    204:3996    205:2173   
       206:2426    207:3051    208:3916    209:3397    210:2538    211:1178   
       212:1661    213:1649    214:253     215:60      216:4418    217:1477   
       218:481     219:443     220:1145    221:463     222:299    
      
      End of report