[apops] Weekly Routing Table Report

  • To: apops at lists dot apnic 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: Fri, 31 May 2002 20:04:55 +1000 (EST)
  • Reply-to: pfs@cisco.com
  • Sender: owner-apops@lists.apnic.net
    • This is an automated weekly mailing describing the state of the Internet
      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 31 May, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            113208
          Prefixes after maximum aggregation:                         73232
          Unique aggregates announced to Internet:                    52880
      Total ASes present in the Internet Routing Table:               13148
      Origin-only ASes present in the Internet Routing Table:         11405
      Origin ASes announcing only one prefix:                          5013
      Transit ASes present in the Internet Routing Table:              1743
      Transit-only ASes present in the Internet Routing Table:           55
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    18
      Illegal AS announcements present in the Routing Table:              1
      Non-routable prefixes present in the Routing Table:                 1
      Prefixes being announced from the IANA Reserved Address blocks:    38
      Number of addresses announced to Internet:                 1178191436
          Equivalent to 70 /8s, 57 /16s and 198 /24s
          Percentage of available address space announced:             31.8
          Percentage of allocated address space announced:             59.2
          Percentage of available address space allocated:             53.7
      Total number of prefixes smaller than registry allocations:     45887
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18102
          Total APNIC prefixes after maximum aggregation:             10934
      Prefixes being announced from the APNIC address blocks:         16583
          Unique aggregates announced from the APNIC address blocks:   9814
      APNIC Region origin ASes present in the Internet Routing Table:  1515
      APNIC Region origin ASes announcing only one prefix:              502
      APNIC Region transit ASes present in the Internet Routing Table:  269
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       13
      Number of APNIC addresses announced to Internet:             89895008
          Equivalent to 5 /8s, 91 /16s and 176 /24s
          Percentage of available APNIC address space announced:       66.5
      
      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 220/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   75766
          Total ARIN prefixes after maximum aggregation:              47790
      Prefixes being announced from the ARIN address blocks:          53927
          Unique aggregates announced from the ARIN address blocks:   16653
      ARIN Region origin ASes present in the Internet Routing Table:   7767
      ARIN Region origin ASes announcing only one prefix:              2468
      ARIN Region transit ASes present in the Internet Routing Table:   760
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        18
      Number of ARIN addresses announced to Internet:             192059076
          Equivalent to 11 /8s, 114 /16s and 150 /24s
          Percentage of available ARIN address space announced:        71.5
      
      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 - 26623
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   19340
          Total RIPE prefixes after maximum aggregation:              14508
      Prefixes being announced from the RIPE address blocks:          15977
          Unique aggregates announced from the RIPE address blocks:   10567
      RIPE Region origin ASes present in the Internet Routing Table:   3811
      RIPE Region origin ASes announcing only one prefix:              2043
      RIPE Region transit ASes present in the Internet Routing Table:   697
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        16
      Number of RIPE addresses announced to Internet:             110117664
          Equivalent to 6 /8s, 144 /16s and 67 /24s
          Percentage of available RIPE address space announced:        72.9
      
      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
      RIPE Address Blocks    62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221     1268       1223         911   Telstra Pty Ltd
       4538      482       1258          18   China Education and Research 
       2907      427       1861         368   SINET Japan
        703      406        339         326   UUNET Technologies, Inc. 
       2764      393        360         358   connect.com.au pty ltd
       7474      308        292         204   Optus Communications Pty Ltd
      17557      289         19         112   Pakistan Telecom
       4134      277       2100          94   Data Communications Bureau
       9443      266         44          63   Primus Telecommunications
       4755      248        109          79   Videsh Sanchar Nigam Ltd. Aut
       4766      227       1517         158   Korea Internet Exchange for "
       4814      178         70          12   China Telecom (Group) - Beiji
       9583      177         32           5   Satyam Infoway Ltd.,
       7539      153        218         147   TANet2, sponsored by NSC, TAI
       9768      147        387          76   Korea Telecom
      17676      144       2226          22   XTAGE CORPORATION
       7657      136         22          86   The Internet Group Limited
       4780      116        186          39   Digital United Inc.
       4713      115       1009         106   NTT Communications Corporatio
       9800      114        186          22   CHINA UNICOM
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1116       2603         844   UUNET Technologies, Inc. 
       3301      398        908         349   TeliaNet Sweden
       3352      278        521          27   Ibernet, Internet Access Netw
       3215      266        599         165   France Telecom / &Equant
       5515      263        783         175   Sonera Finland Autonomous Sys
       3320      236       1947         181   Deutsche Telekom AG
        680      231       2149         230   DFN-IP service G-WiN
       1257      205        430         202   SWIPnet Swedish IP Network
       5400      200         83          95   Concert European Core Network
        719      187        290         126   LANLINK autonomous system
        786      182       1874         182   The JANET IP Service
       8708      148         23         140   Romania Data Systems S.A.
      12302      133         10          46   MobiFon S.A.
       2856      125        789         115   BTnet UK Regional network
       3303      117        546         116   Swisscom Ltd
       8297      117         57          65   Teleglobe Autonomous System i
       3269      113        692          70   TELECOM ITALIA
       3246      107        300         101   Song Networks / Clinet
       3233      106          7          52   RNC - Romanian Natioanal R&D 
       5511      105        191          87   France Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2005       8882        1439   UUNET Technologies, Inc. 
       7018     1288       7543         933   AT&T 
       3908      903       1641         493   Supernet, Inc. 
       1239      825       3438         654   Sprint 
          1      815       8168         453   BBN Planet 
        852      795       1175         445   Telus Advanced Communications
       7046      645        934         435   UUNET Technologies, Inc. 
       4323      634        436         257   Time Warner Communications, I
        705      586        122         290   UUNET Technologies, Inc. 
        209      585       1969         326   Qwest 
        690      582         79         379   Merit Network 
       7132      570        606         138   Southwestern Bell Internet Se
       3549      513        854         319   Global Crossing 
       7843      500        357          70   Adelphia Corp. 
       7066      475        202         248   Virginia Polytechnic Institut
       2914      396       2108         389   Verio, Inc. 
      15290      391        299         204   AT&T Canada IES 
       2149      346        191         287   Performance Systems, Inc. 
       3741      345        731         236   The Internet Solution 
       6197      340        245         164   BellSouth Network Solutions, 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       482         464      China Education and Research 
       7132       570         432      Southwestern Bell Internet Se
       7843       500         430      Adelphia Corp. 
       3908       903         410      Supernet, Inc. 
       4323       634         377      Time Warner Communications, I
          1       815         362      BBN Planet 
       1221      1268         357      Telstra Pty Ltd
       7018      1288         355      AT&T 
        852       795         350      Telus Advanced Communications
        705       586         296      UUNET Technologies, Inc. 
      11371       292         286      Rhythms NetConnections 
        702      1116         272      UUNET Technologies, Inc. 
       4151       288         272      USDA 
        209       585         259      Qwest 
       6347       337         258      SAVVIS Communications Corpora
       3352       278         251      Ibernet, Internet Access Netw
       7029       262         247      Alltel Information Services, 
       4355       280         244      EarthLink, Inc. 
       7066       475         227      Virginia Polytechnic Institut
      18566       222         218      Covad Communications 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      192.0.2.0/24          1103     SURFnet BV
      
      Advertised Unregistered Addresses
      ---------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      132.0.0.0/10           568     DISO-UNRRA 
      134.137.0.0/16        7170     AT&T Government Markets 
      135.0.0.0/13         10455     Lucent Technologies 
      137.0.0.0/13           568     DISO-UNRRA 
      138.94.0.0/16            1     BBN Planet 
      154.150.0.0/16        6494     IDCI 
      158.0.0.0/13           568     DISO-UNRRA 
      164.233.0.0/16        6020     DISA NETWORK SERVICES 
      192.26.98.0/24        1239     Sprint 
      192.44.0.0/19          702     UUNET Technologies, Inc. 
      192.72.0.0/18         4780     Digital United Inc.
      192.72.0.0/16         4780     Digital United Inc.
      192.83.14.0/24        5515     Sonera Finland Autonomous Sys
      192.83.16.0/20        5515     Sonera Finland Autonomous Sys
      192.83.25.0/24        5515     Sonera Finland Autonomous Sys
      192.83.32.0/19        5515     Sonera Finland Autonomous Sys
      192.83.96.0/22        5515     Sonera Finland Autonomous Sys
      192.83.100.0/24       5515     Sonera Finland Autonomous Sys
      192.91.198.0/24       2568     CTS Network Services 
      192.92.167.0/24        297     NASA Science Network 
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T 
      192.135.248.0/23       109     Cisco Systems, Inc. 
      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
      192.152.213.0/24      1239     Sprint 
      192.153.136.0/21       568     DISO-UNRRA 
      192.156.0.0/19         568     DISO-UNRRA 
      192.172.0.0/19         568     DISO-UNRRA 
      192.195.253.0/24       237     Merit Network 
      192.208.29.0/24       3908     Supernet, Inc. 
      192.208.30.0/23       3908     Supernet, Inc. 
      192.243.36.0/23       7168     Northwest Link 
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:20       /9:6       /10:7       /11:12      /12:34      
      /13:84      /14:231     /15:414     /16:7222    /17:1438    /18:2593    
      /19:7575    /20:7181    /21:5098    /22:7790    /23:9505    /24:63292   
      /25:207     /26:180     /27:81      /28:83      /29:41      /30:89      
      /31:1       /32:24      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        702      709          1116      UUNET Technologies, Inc. 
        701      556          2005      UUNET Technologies, Inc. 
       3908      490           903      Supernet, Inc. 
        690      454           582      Merit Network 
        705      396           586      UUNET Technologies, Inc. 
       7066      380           475      Virginia Polytechnic Institut
       7018      336          1288      AT&T 
       7843      300           500      Adelphia Corp. 
       7046      282           645      UUNET Technologies, Inc. 
        209      264           585      Qwest 
          1      257           815      BBN Planet 
       7029      247           262      Alltel Information Services, 
       6197      245           340      BellSouth Network Solutions, 
      11371      245           292      Rhythms NetConnections 
       3301      238           398      TeliaNet Sweden
       6198      231           317      BellSouth Network Solutions, 
       6517      222           244      Yipes Communications, Inc. 
      18566      218           222      Covad Communications 
       3549      214           513      Global Crossing 
       1239      211           825      Sprint 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         9:1        12:511      13:10       15:2        17:6      
        20:2        24:779      25:1        32:40       38:8        40:6      
        44:1        57:13       61:233      62:235      63:1929     64:1226   
        65:1501     66:959      67:80       68:18       80:234      81:24     
       128:60      129:138     130:23      131:47      132:11      133:3      
       134:119     135:8       136:246     137:91      138:150     139:57     
       140:174     141:119     142:77      143:38      144:152     145:11     
       146:174     147:138     148:200     149:92      150:39      151:97     
       152:267     153:54      154:14      155:96      156:75      157:132    
       158:68      159:128     160:18      161:62      162:147     163:100    
       164:273     165:140     166:230     167:174     168:119     169:58     
       170:348     171:2       192:5507    193:2423    194:2137    195:962    
       196:439     198:3711    199:3236    200:2568    202:3130    203:4568   
       204:3255    205:2169    206:2600    207:2722    208:2665    209:2744   
       210:595     211:223     212:903     213:621     214:9       215:19     
       216:3011    217:457     218:27     
      
      End of report
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