[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, 20 Dec 2008 04:12:11 +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 20 Dec, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              275380
          Prefixes after maximum aggregation:                          131356
          Deaggregation factor:                                          2.10
          Unique aggregates announced to Internet:                     132855
      Total ASes present in the Internet Routing Table:                 30108
          Prefixes per ASN:                                              9.15
      Origin-only ASes present in the Internet Routing Table:           26219
      Origin ASes announcing only one prefix:                           12782
      Transit ASes present in the Internet Routing Table:                3889
      Transit-only ASes present in the Internet Routing Table:             94
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      20
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               522
          Unregistered ASNs in the Routing Table:                         187
      Number of 32-bit ASNs allocated by the RIRs:                         68
      Prefixes from 32-bit ASNs in the Routing Table:                      12
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            259
      Number of addresses announced to Internet:                   1976219264
          Equivalent to 117 /8s, 202 /16s and 182 /24s
          Percentage of available address space announced:               53.3
          Percentage of allocated address space announced:               63.7
          Percentage of available address space allocated:               83.7
          Percentage of address space in use by end-sites:               75.0
      Total number of prefixes smaller than registry allocations:      135179
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    63202
          Total APNIC prefixes after maximum aggregation:               22693
          APNIC Deaggregation factor:                                    2.79
      Prefixes being announced from the APNIC address blocks:           60116
          Unique aggregates announced from the APNIC address blocks:    25952
      APNIC Region origin ASes present in the Internet Routing Table:    3494
          APNIC Prefixes per ASN:                                       17.21
      APNIC Region origin ASes announcing only one prefix:                952
      APNIC Region transit ASes present in the Internet Routing Table:    535
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              393369248
          Equivalent to 23 /8s, 114 /16s and 86 /24s
          Percentage of available APNIC address space announced:         78.2
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    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,
                             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:                    122949
          Total ARIN prefixes after maximum aggregation:                64542
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:            92199
          Unique aggregates announced from the ARIN address blocks:     35045
      ARIN Region origin ASes present in the Internet Routing Table:    12660
          ARIN Prefixes per ASN:                                         7.28
      ARIN Region origin ASes announcing only one prefix:                4896
      ARIN Region transit ASes present in the Internet Routing Table:    1212
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               405197088
          Equivalent to 24 /8s, 38 /16s and 209 /24s
          Percentage of available ARIN address space announced:          83.3
      
      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
      ARIN Address Blocks     24/8,  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, 173/8, 174/8,
                             199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     62209
          Total RIPE prefixes after maximum aggregation:                36644
          RIPE Deaggregation factor:                                     1.70
      Prefixes being announced from the RIPE address blocks:            56377
          Unique aggregates announced from the RIPE address blocks:     37798
      RIPE Region origin ASes present in the Internet Routing Table:    12375
          RIPE Prefixes per ASN:                                         4.56
      RIPE Region origin ASes announcing only one prefix:                6516
      RIPE Region transit ASes present in the Internet Routing Table:    1866
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          17
      Number of RIPE addresses announced to Internet:               382814560
          Equivalent to 22 /8s, 209 /16s and 73 /24s
          Percentage of available RIPE address space announced:          87.8
      
      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, 47104-49151
      RIPE Address Blocks     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, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   22976
          Total LACNIC prefixes after maximum aggregation:               5628
          LACNIC Deaggregation factor:                                   4.08
      Prefixes being announced from the LACNIC address blocks:          21001
          Unique aggregates announced from the LACNIC address blocks:   11591
      LACNIC Region origin ASes present in the Internet Routing Table:   1042
          LACNIC Prefixes per ASN:                                      20.15
      LACNIC Region origin ASes announcing only one prefix:               337
      LACNIC Region transit ASes present in the Internet Routing Table:   169
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              59214848
          Equivalent to 3 /8s, 135 /16s and 140 /24s
          Percentage of available LACNIC address space announced:        58.8
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 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:                   3541
          Total AfriNIC prefixes after maximum aggregation:              1429
          AfriNIC Deaggregation factor:                                  2.48
      Prefixes being announced from the AfriNIC address blocks:          5159
          Unique aggregates announced from the AfriNIC address blocks:   1961
      AfriNIC Region origin ASes present in the Internet Routing Table:   262
          AfriNIC Prefixes per ASN:                                     19.69
      AfriNIC Region origin ASes announcing only one prefix:               81
      AfriNIC Region transit ASes present in the Internet Routing Table:   54
      Average AfriNIC Region AS path length visible:                      4.2
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             12454656
          Equivalent to 0 /8s, 190 /16s and 11 /24s
          Percentage of available AfriNIC address space announced:       24.7
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1557       6409         364   Korea Telecom (KIX)
      17488     1442        101          99   Hathway IP Over Cable Interne
       4755     1174        475         153   TATA Communications formerly 
       4134      898      15543         356   CHINANET-BACKBONE
       9583      871        133          81   Sify Limited
      18101      786        168          33   Reliance Infocom Ltd Internet
       4780      727        358          64   Digital United Inc.
       9498      688        310          48   BHARTI BT INTERNET LTD.
       7545      656        152          81   TPG Internet Pty Ltd
      24560      635        210         164   Bharti Airtel Ltd.
      
      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     4383       3435         344   bellsouth.net, inc. 
        209     2847       4033         626   Qwest 
      20115     1849       1472         742   Charter Communications 
       1785     1706        717         155   PaeTec Communications, Inc.
       4323     1611       1067         382   Time Warner Telecom
       6478     1601        368         289   AT&T Worldnet Services 
       2386     1578        705         891   AT&T Data Communications Serv
       7018     1436       5873         994   AT&T WorldNet Services
      11492     1230        192          12   Cable One 
       3356     1104      10994         430   Level 3 Communications, LLC 
      
      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
       8452     1632        188          11   TEDATA
       3292      434       1764         383   TDC Tele Danmark
      30890      391         80         203   SC Kappa Invexim SRL
      12479      377        578           6   Uni2 Autonomous System
       3301      336       1413         303   TeliaNet Sweden
       3320      333       7065         282   Deutsche Telekom AG
       8866      331        109          22   Bulgarian Telecommunication C
      29049      330         26           3   AzerSat LLC.
       3215      321       2856          95   France Telecom Transpac
       8551      303        287          35   Bezeq International
      
      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     1406       2833         222   UniNet S.A. de C.V. 
      11830      667        299           9   Instituto Costarricense de El
      10620      631        135          55   TVCABLE BOGOTA 
      22047      565        302          14   VTR PUNTO NET S.A. 
       7303      503        249          74   Telecom Argentina Stet-France
       6471      429         86          43   ENTEL CHILE S.A. 
      16814      426         27          10   NSS, S.A. 
      11172      400        118          72   Servicios Alestra S.A de C.V 
      28573      365        491          24   NET Servicos de Comunicao S.A
       7738      343        730          27   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
      24863      280         48         128   LINKdotNET AS number
       3741      270        857         227   The Internet Solution 
       2018      239        215         140   Tertiary Education Network 
       6713      144        135          11   Itissalat Al-MAGHRIB
      33783      143         10          17   EEPAD TISP TELECOM & INTERNET
      29571      121         15           8   Ci Telecom Autonomous system 
       5536      120          8          17   Internet Egypt Network
       5713      119        555          68   Telkom SA Ltd 
      33776      116          6           3   Starcomms Nigeria Limited
       2905       80        177          76   Verizon South Africa
      
      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     4383       3435         344   bellsouth.net, inc. 
        209     2847       4033         626   Qwest 
      20115     1849       1472         742   Charter Communications 
       1785     1706        717         155   PaeTec Communications, Inc.
       8452     1632        188          11   TEDATA
       4323     1611       1067         382   Time Warner Telecom
       6478     1601        368         289   AT&T Worldnet Services 
       2386     1578        705         891   AT&T Data Communications Serv
       4766     1557       6409         364   Korea Telecom (KIX)
      17488     1442        101          99   Hathway IP Over Cable Interne
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2847        2221      Qwest 
       8452      1632        1621      TEDATA
       1785      1706        1551      PaeTec Communications, Inc.
      17488      1442        1343      Hathway IP Over Cable Interne
       6478      1601        1312      AT&T Worldnet Services 
       4323      1611        1229      Time Warner Telecom
      11492      1230        1218      Cable One 
       4766      1557        1193      Korea Telecom (KIX)
       8151      1406        1184      UniNet S.A. de C.V. 
      20115      1849        1107      Charter Communications 
      
      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
      24.75.116.0/22       10796     ServiceCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      63.143.251.0/24      22555     Universal Talkware Corporatio
      
      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        /8:20       /9:9       /10:20      /11:54      /12:159     
      /13:308     /14:559     /15:1096    /16:10268   /17:4512    /18:7750    
      /19:16644   /20:19464   /21:19076   /22:24169   /23:24653   /24:144536  
      /25:644     /26:807     /27:519     /28:97      /29:8       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2866          4383      bellsouth.net, inc. 
        209     1594          2847      Qwest 
       8452     1317          1632      TEDATA
       4766     1292          1557      Korea Telecom (KIX)
       2386     1260          1578      AT&T Data Communications Serv
      17488     1232          1442      Hathway IP Over Cable Interne
      11492     1200          1230      Cable One 
       1785     1166          1706      PaeTec Communications, Inc.
       6478     1129          1601      AT&T Worldnet Services 
      18566     1041          1060      Covad Communications 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:12        8:170      12:2225     13:2        15:21       16:3      
        17:5        20:36       24:1107     32:54       38:525      40:96     
        41:1772     43:1        44:2        47:9        52:3        55:3      
        56:3        57:26       58:518      59:595      60:456      61:1094   
        62:1016     63:2002     64:3406     65:2445     66:3607     67:1439   
        68:655      69:2374     70:530      71:173      72:1597     73:7      
        74:1335     75:191      76:306      77:853      78:511      79:299    
        80:920      81:907      82:537      83:392      84:410      85:1036   
        86:494      87:655      88:350      89:1363     90:45       91:1796   
        92:298      93:1052     94:837      95:106      96:95       97:150    
        98:172      99:10      100:1       110:1       111:1       113:52     
       114:144     115:166     116:1069    117:416     118:234     119:578    
       120:116     121:699     122:895     123:435     124:790     125:1273   
       128:359     129:219     130:135     131:408     132:72      133:9      
       134:193     135:33      136:225     137:131     138:144     139:91     
       140:412     141:110     142:389     143:296     144:309     145:53     
       146:371     147:143     148:610     149:219     150:140     151:209    
       152:149     153:131     154:10      155:249     156:167     157:304    
       158:164     159:300     160:274     161:131     162:254     163:146    
       164:515     165:500     166:364     167:348     168:669     169:159    
       170:459     171:38      172:10      173:128     174:11      187:16     
       188:1       189:356     190:2542    192:5822    193:4145    194:3298   
       195:2631    196:1205    198:3710    199:3315    200:5584    201:1504   
       202:7780    203:8068    204:3930    205:2128    206:2319    207:2761   
       208:3794    209:3494    210:2688    211:1132    212:1501    213:1583   
       214:62      215:26      216:4498    217:1201    218:379     219:405    
       220:1220    221:400     222:299    
      
      End of report