[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, 26 Apr 2002 20:05:22 +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 26 Apr, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            114228
          Prefixes after maximum aggregation:                         72863
          Unique aggregates announced to Internet:                    52629
      Total ASes present in the Internet Routing Table:               12981
      Origin-only ASes present in the Internet Routing Table:         11250
      Origin ASes announcing only one prefix:                          4932
      Transit ASes present in the Internet Routing Table:              1731
      Transit-only ASes present in the Internet Routing Table:           53
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    16
      Illegal AS announcements present in the Routing Table:              3
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    45
      Number of addresses announced to Internet:                 1167093980
          Equivalent to 69 /8s, 144 /16s and 112 /24s
          Percentage of available address space announced:             31.5
          Percentage of allocated address space announced:             58.7
          Percentage of available address space allocated:             53.7
      Total number of prefixes smaller than registry allocations:     47584
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18039
          Total APNIC prefixes after maximum aggregation:             10872
      Prefixes being announced from the APNIC address blocks:         16532
          Unique aggregates announced from the APNIC address blocks:   9781
      APNIC Region origin ASes present in the Internet Routing Table:  1494
      APNIC Region origin ASes announcing only one prefix:              484
      APNIC Region transit ASes present in the Internet Routing Table:  265
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       12
      Number of APNIC addresses announced to Internet:             87679808
          Equivalent to 5 /8s, 57 /16s and 227 /24s
          Percentage of available APNIC address space announced:       64.8
      
      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:                   77174
          Total ARIN prefixes after maximum aggregation:              47685
      Prefixes being announced from the ARIN address blocks:          55308
          Unique aggregates announced from the ARIN address blocks:   16622
      ARIN Region origin ASes present in the Internet Routing Table:   7659
      ARIN Region origin ASes announcing only one prefix:              2414
      ARIN Region transit ASes present in the Internet Routing Table:   757
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             191460804
          Equivalent to 11 /8s, 105 /16s and 117 /24s
          Percentage of available ARIN address space announced:        71.3
      
      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:                   19014
          Total RIPE prefixes after maximum aggregation:              14306
      Prefixes being announced from the RIPE address blocks:          15695
          Unique aggregates announced from the RIPE address blocks:   10309
      RIPE Region origin ASes present in the Internet Routing Table:   3774
      RIPE Region origin ASes announcing only one prefix:              2034
      RIPE Region transit ASes present in the Internet Routing Table:   692
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             108875824
          Equivalent to 6 /8s, 125 /16s and 80 /24s
          Percentage of available RIPE address space announced:        72.1
      
      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     1287       1210         946   Telstra Pty Ltd
       4538      476       1194          17   China Education and Research 
       2907      431       1925         366   SINET Japan
        703      419        339         326   UUNET Technologies, Inc. 
       2764      393        361         361   connect.com.au pty ltd
       7474      304        291         209   Optus Communications Pty Ltd
       4134      278       2018          94   Data Communications Bureau
       9443      275         44          63   Primus Telecommunications
      17557      258         18         105   Pakistan Telecom
       4755      239        109          73   Videsh Sanchar Nigam Ltd. Aut
       4766      221       1518         158   Korea Internet Exchange for "
       7539      168        239         162   TANet2, sponsored by NSC, TAI
       4804      161         84          66   Microplex PTY LTD
       9583      160         32           5   Satyam Infoway Ltd.,
       9768      146        386          80   Korea Telecom
       7657      125         22          87   The Internet Group Limited
      17676      122       1952           9   XTAGE CORPORATION
       4814      119         64           5   China Telecom (Group) - Beiji
       4713      114        993         105   NTT Communications Corporatio
       9800      114       4223          12   CHINA UNICOM
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1031       2577         847   UUNET Technologies, Inc. 
       3301      395        924         347   TeliaNet Sweden
        790      311        103          41   KPNQwest Finland Oy
       5515      275        761         173   Sonera Finland Autonomous Sys
       3215      273        599         169   France Telecom / &Equant
        680      231       2149         230   DFN-IP service G-WiN
       3320      228       1946         175   Deutsche Telekom AG
       1257      209        462         206   SWIPnet Swedish IP Network
       5400      198         82          93   Concert European Core Network
        786      179       1858         179   The JANET IP Service
        719      163        289         118   LANLINK autonomous system
       8708      142         22         135   Romania Data Systems S.A.
      12302      131          9          50   MobiFon S.A.
       2856      126        786         116   BTnet UK Regional network
       8297      121         52          66   Teleglobe Autonomous System i
       3269      117        694          71   TELECOM ITALIA
       3303      117        546         116   Swisscom Ltd
       5536      108          9          40   Internet Egypt Network
       5511      104        193          91   France Telecom
        517      101        226          97   KPNQwest Germany GmbH
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     4417       8497        1453   UUNET Technologies, Inc. 
       7018     1281       7522         943   AT&T 
       3908      861       1660         481   Supernet, Inc. 
       1239      816       3370         654   Sprint 
          1      806       8186         454   BBN Planet 
       7046      784        856         553   UUNET Technologies, Inc. 
        852      666       1148         424   Telus Advanced Communications
       4323      634        436         256   Time Warner Communications, I
        705      587        190         290   UUNET Technologies, Inc. 
        209      581       1999         324   Qwest 
       7132      569        604         140   Southwestern Bell Internet Se
       3549      526        859         320   Global Crossing 
        690      473         70         306   Merit Network 
       7066      468        202         249   Virginia Polytechnic Institut
       7843      455        338          58   Adelphia Corp. 
       2914      411       2146         406   Verio, Inc. 
       2149      349        191         291   Performance Systems, Inc. 
       6197      344        341         132   BellSouth Network Solutions, 
       3741      341        731         236   The Internet Solution 
       6347      325        370          79   SAVVIS Communications Corpora
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       476         459      China Education and Research 
       7132       569         429      Southwestern Bell Internet Se
       7843       455         397      Adelphia Corp. 
       3908       861         380      Supernet, Inc. 
       4323       634         378      Time Warner Communications, I
          1       806         352      BBN Planet 
       1221      1287         341      Telstra Pty Ltd
       7018      1281         338      AT&T 
        705       587         297      UUNET Technologies, Inc. 
      11371       293         287      Rhythms NetConnections 
       4151       291         276      USDA 
        790       311         270      KPNQwest Finland Oy
        209       581         257      Qwest 
       7029       265         250      Alltel Information Services, 
       6347       325         246      SAVVIS Communications Corpora
        852       666         242      Telus Advanced Communications
       7046       784         231      UUNET Technologies, Inc. 
       7066       468         219      Virginia Polytechnic Institut
       4355       255         219      EarthLink, Inc. 
       6197       344         212      BellSouth Network Solutions, 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
        112   UNALLOCATED   192.175.48.0/24       7500       A Root DNS Server in
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      65027   PRIVATE       209.239.80.0/24      11042       Orion Network System
      
      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 
      144.7.0.0/16           701     UUNET Technologies, Inc. 
      153.36.0.0/14          701     UUNET Technologies, Inc. 
      153.147.0.0/16        3561     Cable & Wireless USA 
      154.150.0.0/16        6494     IDCI 
      158.0.0.0/13           568     DISO-UNRRA 
      164.233.0.0/16        6020     DISA NETWORK SERVICES 
      192.31.126.0/23       1103     SURFnet BV
      192.31.128.0/21       1103     SURFnet BV
      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.
      192.83.1.0/24         5515     Sonera Finland Autonomous Sys
      192.83.2.0/24         5515     Sonera Finland Autonomous Sys
      192.83.8.0/21         5515     Sonera Finland Autonomous Sys
      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        /8:19       /9:7       /10:7       /11:13      /12:34      
      /13:86      /14:233     /15:406     /16:7187    /17:1425    /18:2597    
      /19:7483    /20:7033    /21:5022    /22:7786    /23:9566    /24:64573   
      /25:211     /26:189     /27:80      /28:90      /29:53      /30:90      
      /31:0       /32:38      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     2949          4417      UUNET Technologies, Inc. 
        702      644          1031      UUNET Technologies, Inc. 
       3908      445           861      Supernet, Inc. 
        690      426           473      Merit Network 
       7046      413           784      UUNET Technologies, Inc. 
       7066      373           468      Virginia Polytechnic Institut
        705      371           587      UUNET Technologies, Inc. 
       7018      329          1281      AT&T 
        790      289           311      KPNQwest Finland Oy
       7843      273           455      Adelphia Corp. 
        209      271           581      Qwest 
       7029      250           265      Alltel Information Services, 
      11371      245           293      Rhythms NetConnections 
       6197      244           344      BellSouth Network Solutions, 
          1      238           806      BBN Planet 
       3301      236           395      TeliaNet Sweden
       3549      229           526      Global Crossing 
       6198      228           304      BellSouth Network Solutions, 
       6517      222           247      Yipes Communications, Inc. 
       1239      208           816      Sprint 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         3:1         4:2         9:1        12:495      13:10       15:2      
        17:7        20:2        24:756      25:1        32:67       38:8      
        40:6        44:1        57:14       61:200      62:196      63:3989   
        64:1214     65:1252     66:876      67:243      68:7        80:236    
        81:16      128:59      129:137     130:22      131:47      132:12     
       133:3       134:127     135:9       136:312     137:92      138:148    
       139:49      140:186     141:143     142:82      143:38      144:140    
       145:12      146:224     147:136     148:161     149:92      150:39     
       151:59      152:305     153:33      154:3       155:99      156:76     
       157:122     158:69      159:127     160:24      161:56      162:152    
       163:105     164:266     165:127     166:225     167:169     168:111    
       169:52      170:302     171:2       192:5471    193:2529    194:2105   
       195:812     196:431     198:3743    199:3203    200:2417    202:3134   
       203:4524    204:3263    205:2166    206:2551    207:2644    208:2619   
       209:2723    210:649     211:210     212:887     213:595     214:9      
       215:18      216:3038    217:461     218:15     
      
      End of report
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