[apops] Weekly Routing Table Report

  • To: apops at apops dot net, rtma at arin dot net, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at thyme dot apnic dot net>
  • Date: Sat, 16 Aug 2003 04:06:25 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 16 Aug, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            125833
          Prefixes after maximum aggregation:                         79107
          Unique aggregates announced to Internet:                    60511
      Total ASes present in the Internet Routing Table:               15426
      Origin-only ASes present in the Internet Routing Table:         13356
      Origin ASes announcing only one prefix:                          6062
      Transit ASes present in the Internet Routing Table:              2070
      Transit-only ASes present in the Internet Routing Table:           65
      Average AS path length visible in the Internet Routing Table:     4.8
          Max AS path length visible:                                    26
      Illegal AS announcements present in the Routing Table:              3
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           15
      Number of addresses announced to Internet:                 1236781440
          Equivalent to 73 /8s, 183 /16s and 201 /24s
          Percentage of available address space announced:             33.4
          Percentage of allocated address space announced:             59.6
          Percentage of available address space allocated:             56.0
      Total number of prefixes smaller than registry allocations:     55575
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  22221
          Total APNIC prefixes after maximum aggregation:             12707
      Prefixes being announced from the APNIC address blocks:         20640
          Unique aggregates announced from the APNIC address blocks:  12353
      APNIC Region origin ASes present in the Internet Routing Table:  1877
      APNIC Region origin ASes announcing only one prefix:              531
      APNIC Region transit ASes present in the Internet Routing Table:  314
      Average APNIC Region AS path length visible:                      4.9
          Max APNIC Region AS path length visible:                       16
      Number of APNIC addresses announced to Internet:            120532096
          Equivalent to 7 /8s, 47 /16s and 44 /24s
          Percentage of available APNIC address space announced:       64.9
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                             17408 - 18431, 23552 - 24575
      APNIC Address Blocks   60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   76090
          Total ARIN prefixes after maximum aggregation:              47800
      Prefixes being announced from the ARIN address blocks:          54382
          Unique aggregates announced from the ARIN address blocks:   16877
      ARIN Region origin ASes present in the Internet Routing Table:   8355
      ARIN Region origin ASes announcing only one prefix:              2826
      ARIN Region transit ASes present in the Internet Routing Table:   817
      Average ARIN Region AS path length visible:                       4.6
          Max ARIN Region AS path length visible:                        17
      Number of ARIN addresses announced to Internet:             195523840
          Equivalent to 11 /8s, 167 /16s and 117 /24s
          Percentage of available ARIN address space announced:        72.8
      
      ARIN AS Blocks         1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
                             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, 29695 - 30719
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
                             and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   22154
          Total RIPE prefixes after maximum aggregation:              16327
      Prefixes being announced from the RIPE address blocks:          18769
          Unique aggregates announced from the RIPE address blocks:   12670
      RIPE Region origin ASes present in the Internet Routing Table:   4784
      RIPE Region origin ASes announcing only one prefix:              2610
      RIPE Region transit ASes present in the Internet Routing Table:   841
      Average RIPE Region AS path length visible:                       5.4
          Max RIPE Region AS path length visible:                        26
      Number of RIPE addresses announced to Internet:             134669120
          Equivalent to 8 /8s, 6 /16s and 227 /24s
          Percentage of available RIPE address space announced:        73.0
      
      RIPE AS Blocks         1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
                             2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
                             6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
                             20480 - 21503, 24576 - 25599, 28672 - 29695
      RIPE Address Blocks    62/8, 80/7, 82/8, 188/8, 193/8, 194/7,
                             212/7 and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                  5366
          Total LACNIC prefixes after maximum aggregation:             2273
      Prefixes being announced from the LACNIC address blocks:         4856
          Unique aggregates announced from the LACNIC address blocks:  3151
      LACNIC Region origin ASes present in the Internet Routing Table:  345
      LACNIC Region origin ASes announcing only one prefix:              95
      LACNIC Region transit ASes present in the Internet Routing Table:  70
      Average LACNIC Region AS path length visible:                     5.2
          Max LACNIC Region AS path length visible:                      16
      Number of LACNIC addresses announced to Internet:            13024512
          Equivalent to 0 /8s, 198 /16s and 189 /24s
          Percentage of available LACNIC address space announced:      38.8
      
      LACNIC AS Blocks       26592 - 26623, 27648 - 28671
      LACNIC Address Blocks  200/7
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221     1041       1038         732   Telstra Pty Ltd
       4755      403        136          72   Videsh Sanchar Nigam Ltd. Aut
       2907      376       1912         351   SINET Japan
        703      339        372         271   UUNET
       4134      337       2210         115   Data Communications Bureau
      17557      303         26         136   Pakistan Telecom
       2764      302        323         272   connect.com.au pty ltd
       7474      262        306         202   Optus Communications Pty Ltd
      17676      253       3894          22   XTAGE CORPORATION
       9583      241         37          20   Satyam Infoway Ltd.,
       3786      239        777         205   DACOM Corporation
       4766      238       2461         170   Korea Internet Exchange for "
       9800      198        326          56   CHINA UNICOM
       9443      182         58          82   Primus Telecommunications
       9929      169        153          33   China Netcom Corp.
       4538      166       1538          21   China Education and Research 
       9498      165         12          20   BHARTI BT INTERNET LTD.
       9238      140          9          21   TATA ISP
       4739      139         58         128   Commerical Internet eXchange 
       4716      131        729         125   TTnet
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1399       8707         986   UUNET Technologies, Inc. 
       7018     1366       7087         968   AT&T 
       3908      919       1541         494   Supernet, Inc. 
       1239      873       3015         622   Sprint 
        189      669        371         324   Genuity 
      18566      661        160           8   Covad Communications 
       4323      621        551         179   Time Warner Communications, I
       7843      568        409         205   Adelphia Corp. 
       6197      567        387         244   BellSouth Network Solutions, 
        209      518       2177         298   Qwest 
        852      512       1123         406   Telus Advanced Communications
       6198      509        275         196   BellSouth Network Solutions, 
       7066      491        205         262   Virginia Polytechnic Institut
          1      481       1095         308   GENUITY 
        705      475        192         303   UUNET Technologies, Inc. 
      20115      475        196         286   Charter Communications 
       3356      466      10755         391   Level 3 Communications, LLC 
       7132      410       6608         240   Southwestern Bell Internet Se
       4355      408        339         109   EarthLink, Inc. 
        690      390         56         269   Merit Network 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      734       2139         610   UUNET - Commercial IP service
       3301      291       1186         279   TeliaNet Sweden
       3320      261       1987         223   Deutsche Telekom AG
       8220      245        432         233   COLT Internet - International
       1257      239        311         189   SWIPnet Swedish IP Network
        680      232       2054         229   DFN-IP service G-WiN
       3215      214        752         121   France Telecom Transpac
        719      196        307         125   LANLINK autonomous system
       5515      185        779         149   Sonera Solution Autonomous Sy
        786      179       1874         179   The JANET IP Service
       5400      167        161         119   BT Ignite European Backbone
       8708      155        110         152   Romania Data Systems S.A.
       3303      139        540         136   Swisscom Ltd
      12302      127         18          34   MobiFon S.A.
       3246      121        360         119   Song Networks
       3269      117        821          64   TELECOM ITALIA
       2856      112       1295         103   BTnet UK Regional network
       3352      111        812          33   Ibernet, Internet Access Netw
       2647      100       4129          44   SITA
       6746       88         12          75   Dynamic Network Technologies,
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      298         98         113   ImpSat
       7303      237         39          55   Telecom Argentina Stet-France
       8151      219        334         116   UniNet S.A. de C.V. 
      11172      178         77          43   Servicios Alestra S.A de C.V 
      16814      152         10          18   NSS, S.A. 
       6503      133        205          94   AVANTEL, S.A. 
      10620      127          8          28   TVCABLE BOGOTA 
      11340      107          3          38   Red Universitaria Nacional 
      11992       87          8          36   Integrated Systems 
       6147       84         70          21   Telefonica Del Peru 
       8065       80          8          17   Empresas Publicas de Medellin
       6535       75          5          18   Chilesat Servicios  Empresari
      15311       74         14          38   Telefonica Empresas 
       1916       73        306          43   Fundacao de Amparo a Pesquisa
      11830       73          6          28   Instituto Costarricense de El
       4270       68         18           9   Red de Interconexion Universi
       7927       65          6          39   Global One Venezuela 
       7080       64          4           1   Electronica y Comunicaciones 
       7984       59         12          40   Global One Colombia 
      13999       59         36           8   Mega Cable S.A. de C.V. 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      18566       661         653      Covad Communications 
       4323       621         442      Time Warner Communications, I
       3908       919         425      Supernet, Inc. 
       7018      1366         398      AT&T 
       7843       568         363      Adelphia Corp. 
        189       669         345      Genuity 
       4755       403         331      Videsh Sanchar Nigam Ltd. Aut
       6197       567         323      BellSouth Network Solutions, 
      11305       358         320      Interland Incorporated 
       6198       509         313      BellSouth Network Solutions, 
       1221      1041         309      Telstra Pty Ltd
       4355       408         299      EarthLink, Inc. 
      27364       317         298      Armstrong Cable Services 
       6347       354         274      SAVVIS Communications Corpora
      22909       286         272      Comcast Cable Corporation 
       1239       873         251      Sprint 
        376       358         243      Reseau Interordinateurs Scien
      17676       253         231      XTAGE CORPORATION
       7066       491         229      Virginia Polytechnic Institut
      22773       240         223      Cox Communications, Inc. Atla
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      18413   UNALLOCATED   61.67.0.0/20          4747       Taiwan Telecommunica
      64713   PRIVATE       192.48.1.0/24          668       Defense Research and
       1877   UNALLOCATED   192.108.199.0/24      1876       Southern Methodist U
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      132.0.0.0/10           568     DISO-UNRRA 
      137.0.0.0/13           568     DISO-UNRRA 
      158.0.0.0/13           568     DISO-UNRRA 
      192.43.230.0/24       4738     South Australian Academic Res
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.83.16.0/20        5515     Sonera Solution Autonomous Sy
      192.83.32.0/19        5515     Sonera Solution Autonomous Sy
      192.83.96.0/22        5515     Sonera Solution Autonomous Sy
      192.83.100.0/24       5515     Sonera Solution Autonomous Sy
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T 
      192.136.79.0/24        719     LANLINK autonomous system
      192.153.136.0/21       568     DISO-UNRRA 
      192.172.0.0/19         568     DISO-UNRRA 
      192.228.80.0/24      30122     INTERNET SOFTWARE CONSORTIUM,
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:20       /9:4       /10:6       /11:12      /12:55      
      /13:98      /14:263     /15:473     /16:7386    /17:1732    /18:3063    
      /19:8380    /20:8630    /21:6317    /22:9319    /23:10731   /24:68731   
      /25:159     /26:211     /27:128     /28:27      /29:12      /30:50      
      /31:0       /32:26      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      655           661      Covad Communications 
        189      591           669      Genuity 
       3908      582           919      Supernet, Inc. 
       7018      480          1366      AT&T 
        702      447           734      UUNET - Commercial IP service
       6197      432           567      BellSouth Network Solutions, 
        701      430          1399      UUNET Technologies, Inc. 
       6198      400           509      BellSouth Network Solutions, 
       7066      387           491      Virginia Polytechnic Institut
        690      350           390      Merit Network 
      20115      324           475      Charter Communications 
      27364      311           317      Armstrong Cable Services 
       1239      295           873      Sprint 
       7843      293           568      Adelphia Corp. 
      11305      281           358      Interland Incorporated 
      10753      236           241      XCOM Technologies, INC. 
       4355      220           408      EarthLink, Inc. 
        209      209           518      Qwest 
          1      203           481      GENUITY 
       3320      202           261      Deutsche Telekom AG
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2        12:692      13:1        15:4        16:1        17:3      
        20:6        24:865      25:1        32:97       38:38       40:23     
        44:2        55:1        57:14       61:295      62:372      63:1803   
        64:1708     65:1962     66:2586     67:222      68:376      69:242    
        80:395      81:123      82:10      128:161     129:170     130:49     
       131:80      132:13      134:173     135:7       136:120     137:110    
       138:121     139:46      140:140     141:115     142:93      143:44     
       144:89      145:13      146:279     147:61      148:272     149:69     
       150:120     151:61      152:212     153:57      154:3       155:121    
       156:55      157:46      158:115     159:135     160:43      161:74     
       162:153     163:78      164:328     165:138     166:87      167:313    
       168:178     169:95      170:324     171:8       192:5344    193:2463   
       194:1974    195:1156    196:468     198:3510    199:2686    200:3010   
       202:3949    203:5204    204:2895    205:1997    206:2290    207:2427   
       208:2512    209:2774    210:887     211:301     212:963     213:913    
       214:16      215:22      216:3186    217:686     218:102     219:75     
       220:98      221:10     
      
      End of report