[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at thyme dot apnic dot net>
  • Date: Fri, 17 Jan 2003 20:05:28 +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
      
      For a graphical representation, please see http://www.apnic.net/stats/bgp.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   20:00 +10GMT Fri 17 Jan, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            119833
          Prefixes after maximum aggregation:                         76401
          Unique aggregates announced to Internet:                    57461
      Total ASes present in the Internet Routing Table:               14423
      Origin-only ASes present in the Internet Routing Table:         12534
      Origin ASes announcing only one prefix:                          5658
      Transit ASes present in the Internet Routing Table:              1889
      Transit-only ASes present in the Internet Routing Table:           59
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    17
      Illegal AS announcements present in the Routing Table:              9
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    30
      Number of addresses announced to Internet:                 1190822873
          Equivalent to 70 /8s, 250 /16s and 131 /24s
          Percentage of available address space announced:             32.1
          Percentage of allocated address space announced:             58.9
          Percentage of available address space allocated:             54.6
      Total number of prefixes smaller than registry allocations:     55857
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  19936
          Total APNIC prefixes after maximum aggregation:             11853
      Prefixes being announced from the APNIC address blocks:         18440
          Unique aggregates announced from the APNIC address blocks:  11342
      APNIC Region origin ASes present in the Internet Routing Table:  1711
      APNIC Region origin ASes announcing only one prefix:              526
      APNIC Region transit ASes present in the Internet Routing Table:  290
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       13
      Number of APNIC addresses announced to Internet:            104299168
          Equivalent to 6 /8s, 55 /16s and 122 /24s
          Percentage of available APNIC address space announced:       68.6
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                             17408 - 18431, 23552 - 24575
      APNIC Address Blocks   61/8, 202/7, 210/7, 218/7 and 220/7
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   74144
          Total ARIN prefixes after maximum aggregation:              47100
      Prefixes being announced from the ARIN address blocks:          51928
          Unique aggregates announced from the ARIN address blocks:   16044
      ARIN Region origin ASes present in the Internet Routing Table:   8065
      ARIN Region origin ASes announcing only one prefix:              2725
      ARIN Region transit ASes present in the Internet Routing Table:   754
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        17
      Number of ARIN addresses announced to Internet:             185649392
          Equivalent to 11 /8s, 16 /16s and 200 /24s
          Percentage of available ARIN address space announced:        69.2
      
      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
      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:                   20609
          Total RIPE prefixes after maximum aggregation:              15264
      Prefixes being announced from the RIPE address blocks:          17188
          Unique aggregates announced from the RIPE address blocks:   11441
      RIPE Region origin ASes present in the Internet Routing Table:   4267
      RIPE Region origin ASes announcing only one prefix:              2326
      RIPE Region transit ASes present in the Internet Routing Table:   769
      Average RIPE Region AS path length visible:                       5.7
          Max RIPE Region AS path length visible:                        14
      Number of RIPE addresses announced to Internet:             122203200
          Equivalent to 7 /8s, 72 /16s and 172 /24s
          Percentage of available RIPE address space announced:        80.9
      
      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, 193/8, 194/7, 212/7 and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                  5137
          Total LACNIC prefixes after maximum aggregation:             2184
      Prefixes being announced from the LACNIC address blocks:         4476
          Unique aggregates announced from the LACNIC address blocks:  2938
      LACNIC Region origin ASes present in the Internet Routing Table:  324
      LACNIC Region origin ASes announcing only one prefix:              81
      LACNIC Region transit ASes present in the Internet Routing Table:  67
      Average LACNIC Region AS path length visible:                     5.7
          Max LACNIC Region AS path length visible:                      16
      Number of LACNIC addresses announced to Internet:            11857664
          Equivalent to 0 /8s, 180 /16s and 239 /24s
          Percentage of available LACNIC address space announced:      70.7
      
      LACNIC AS Blocks       26592 - 26623, 27648 - 28671
      LACNIC Address Blocks  200/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221     1132       1184         834   Telstra Pty Ltd
        703      399        364         315   UUNET
       2907      390       1975         366   SINET Japan
       2764      336        340         305   connect.com.au pty ltd
      17557      321         23         126   Pakistan Telecom
       7474      313        281         204   Optus Communications Pty Ltd
       4134      296       2457          95   Data Communications Bureau
       4814      251         79          15   China Telecom (Group)
       3786      237        772         204   DACOM Corporation
       4755      233        133          72   Videsh Sanchar Nigam Ltd. Aut
      17676      228       3556          27   XTAGE CORPORATION
       4766      200       2075         149   Korea Internet Exchange for "
       9583      190         33          12   Satyam Infoway Ltd.,
       9443      188         57          77   Primus Telecommunications
       9800      167        205          41   CHINA UNICOM
       4716      130        738         124   TTnet
       9768      129        384          64   Korea Telecom
       9238      124          7          16   TATA ISP
       4739      123         57         113   Commerical Internet eXchange 
       7713      123         46          14   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1606       9014        1182   UUNET Technologies, Inc. 
       7018     1443       7091         974   AT&T 
       3908     1201       1636         507   Supernet, Inc. 
       1239      966       3160         678   Sprint 
          1      659       8076         432   GENUITY 
       7843      610        410         244   Adelphia Corp. 
        852      609       1140         446   Telus Advanced Communications
       7046      550        841         259   UUNET Technologies, Inc. 
       4323      533        488         169   Time Warner Communications, I
        690      521         76         326   Merit Network 
        209      519       2102         328   Qwest 
       7066      492        204         252   Virginia Polytechnic Institut
       6197      462        561         104   BellSouth Network Solutions, 
      18566      430        112           5   Covad Communications 
        705      427        133         186   UUNET Technologies, Inc. 
       6198      424        185         198   BellSouth Network Solutions, 
       2386      410        465         227   AT&T Data Communications Serv
       4355      408        313         116   EarthLink, Inc. 
       3549      401        709         295   Global Crossing 
      15290      394        215         176   AT&T Canada IES 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      807       2306         670   UUNET - Commercial IP service
       3301      337       1141         298   TeliaNet Sweden
       3215      314        803         174   France Telecom Transpac
       3320      254       1995         227   Deutsche Telekom AG
        680      237       2166         235   DFN-IP service G-WiN
       5515      214        783         175   Sonera Solution Autonomous Sy
       1257      207        400         196   SWIPnet Swedish IP Network
        786      176       1873         176   The JANET IP Service
        719      171        306         130   LANLINK autonomous system
       5400      160         70          97   BT Ignite European Backbone
       8708      156         42         146   Romania Data Systems S.A.
       3303      144        517         143   Swisscom Ltd
      20858      142         17           3   This AS will be used to conne
       2856      131       1302         118   BTnet UK Regional network
      12302      124         18          31   MobiFon S.A.
       8220      122        174         113   COLT Internet - International
       3246      118        378         115   Song Networks
       3269      113        754          63   TELECOM ITALIA
       5511      106        193          83   France Telecom
       3233      104         10           8   RNC - Romanian Natioanal R&D 
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      319         98         105   ImpSat
       7303      228         36          52   Telecom Argentina Stet-France
       8151      207        317         113   UniNet S.A. de C.V. 
      11172      164         83          33   Servicios Alestra S.A de C.V 
       6503      158        207         108   AVANTEL, S.A. 
      16814      140          9          14   NSS, S.A. 
      13999      127         36           8   Mega Cable S.A. de C.V. 
      10620       98          6          32   TVCABLE BOGOTA 
      11340       82          2          33   Red Universitaria Nacional 
       6147       78         58          20   Telefonica Del Peru 
       1916       74        306          44   Fundacao de Amparo a Pesquisa
      15311       72         27          37   Telefonica Empresas 
       6535       70          4          21   Chilesat Servicios  Empresari
       4270       68         18          10   Red de Interconexion Universi
      11992       68          7          32   Integrated Systems 
       8065       67          6          14   Empresas Publicas de Medellin
       7984       61         11          40   Global One Colombia 
      15034       58          5          33   TIBA SA 
       4926       57          4          47   Telintar S.A. 
      11830       57          4          18   Instituto Costarricense de El
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       3908      1201         694      Supernet, Inc. 
       7018      1443         469      AT&T 
      18566       430         425      Covad Communications 
       7843       610         366      Adelphia Corp. 
       4323       533         364      Time Warner Communications, I
       6197       462         358      BellSouth Network Solutions, 
       1580       313         300      ANOSCEUR 
       1221      1132         298      Telstra Pty Ltd
      11492       297         296      Cable One 
       4355       408         292      EarthLink, Inc. 
       7046       550         291      UUNET Technologies, Inc. 
       1239       966         288      Sprint 
       6347       367         288      SAVVIS Communications Corpora
       4151       329         271      USDA 
      22927       283         261      TELEFONICA DE ARGENTINA 
        705       427         241      UUNET Technologies, Inc. 
       7066       492         240      Virginia Polytechnic Institut
        376       345         240      Reseau Interordinateurs Scien
       4814       251         236      China Telecom (Group)
          1       659         227      GENUITY 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64516   PRIVATE       137.164.227.0/24      2150       California State Uni
      64516   PRIVATE       137.164.228.0/22      2150       California State Uni
       1877   UNALLOCATED   192.108.199.0/24      1880       Stupi, house man's p
      64514   PRIVATE       198.188.18.0/24       2151       California State Uni
      64514   PRIVATE       198.188.28.0/24       2151       California State Uni
      65535   PRIVATE       202.57.188.0/24       7654       Siam Global Access C
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      64514   PRIVATE       207.62.82.0/23        2151       California State Uni
      64514   PRIVATE       207.62.84.0/22        2151       California State Uni
      
      Advertised Unregistered Addresses
      ---------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      132.0.0.0/10           568     DISO-UNRRA 
      135.0.0.0/13         10455     Lucent Technologies 
      137.0.0.0/13           568     DISO-UNRRA 
      158.0.0.0/13           568     DISO-UNRRA 
      158.255.3.0/24         702     UUNET - Commercial IP service
      178.54.59.0/24        7018     AT&T 
      188.1.0.0/16           680     DFN-IP service G-WiN
      192.31.242.0/24        771     NASA Ames Research Center 
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.72.0.0/18         4780     Digital United Inc.
      192.72.0.0/16         4780     Digital United Inc.
      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
      192.136.86.0/24        719     LANLINK autonomous system
      192.136.87.0/24        719     LANLINK autonomous system
      192.136.88.0/24        719     LANLINK autonomous system
      192.139.62.0/24       6539     GT Group Telecom Services Cor
      192.140.0.0/16        5511     France Telecom
      192.153.136.0/21       568     DISO-UNRRA 
      192.156.164.0/24     19548     Adelphia Business Solutions 
      192.172.0.0/19         568     DISO-UNRRA 
      192.208.29.0/24       3908     Supernet, Inc. 
      192.208.30.0/23       3908     Supernet, Inc. 
      192.243.36.0/23       2044     AUSNet, Inc. 
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:17       /9:3       /10:8       /11:12      /12:44      
      /13:91      /14:240     /15:441     /16:7328    /17:1555    /18:2828    
      /19:8032    /20:7833    /21:5619    /22:8566    /23:10267   /24:66240   
      /25:139     /26:173     /27:93      /28:80      /29:69      /30:108     
      /31:0       /32:47      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       3908      768          1201      Supernet, Inc. 
       7018      512          1443      AT&T 
        702      494           807      UUNET - Commercial IP service
        690      470           521      Merit Network 
      18566      425           430      Covad Communications 
        701      422          1606      UUNET Technologies, Inc. 
       7066      391           492      Virginia Polytechnic Institut
       7843      381           610      Adelphia Corp. 
       1239      355           966      Sprint 
       6197      339           462      BellSouth Network Solutions, 
       6198      338           424      BellSouth Network Solutions, 
       6140      307           319      ImpSat
       1580      299           313      ANOSCEUR 
      11492      296           297      Cable One 
      22927      282           283      TELEFONICA DE ARGENTINA 
       7046      244           550      UUNET Technologies, Inc. 
       3215      241           314      France Telecom Transpac
      20115      231           350      Charter Communications 
       2386      227           410      AT&T Data Communications Serv
       4355      227           408      EarthLink, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
        12:633      13:1        15:6        17:3        20:7        24:780    
        25:1        32:43       38:37       40:18       44:1        55:1      
        57:16       61:427      62:462      63:1864     64:1361     65:1804   
        66:1370     67:202      68:225      69:43       80:351      81:100    
       128:126     129:184     130:23      131:70      132:9       133:4      
       134:155     135:6       136:489     137:111     138:208     139:84     
       140:185     141:103     142:97      143:44      144:148     145:16     
       146:256     147:246     148:271     149:79      150:42      151:94     
       152:258     153:37      154:7       155:103     156:49      157:63     
       158:120     159:139     160:24      161:57      162:132     163:83     
       164:279     165:136     166:79      167:303     168:385     169:57     
       170:289     171:8       178:1       192:5379    193:2396    194:1979   
       195:910     196:456     198:3581    199:3036    200:2783    202:3623   
       203:4901    204:3015    205:2105    206:2359    207:2405    208:2650   
       209:2694    210:685     211:319     212:893     213:752     214:12     
       215:23      216:3184    217:558     218:70      219:16      220:41     
      
      
      End of report