[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 Analysis <cscora at dev dot apnic dot net>
  • Date: Fri, 20 Jul 2001 04:12:06 +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 Jul, 2001
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            104573
      Origin ASes present in the Internet Routing Table:              11312
      Origin ASes announcing only one prefix:                          4160
      Transit ASes present in the Internet Routing Table:              1514
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    15
      Illegal AS announcements present in the Routing Table:             19
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    16
      Number of addresses announced to Internet:                 1240384498
          Equivalent to 73 /8s, 238 /16s and 195 /24s
          Percentage of available address space announced:             33.5
          Percentage of allocated address space announced:             65.0
          Percentage of available address space allocated:             51.5
      Total number of prefixes smaller than registry allocations:     71049
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  15502
      Prefixes being announced from the APNIC address blocks:         13946
      APNIC Region origin ASes present in the Internet Routing Table:  1329
      APNIC Region origin ASes announcing only one prefix:              463
      APNIC Region transit ASes present in the Internet Routing Table:  223
      Average APNIC Region AS path length visible:                      5.1
          Max APNIC Region AS path length visible:                       14
      Number of APNIC addresses announced to Internet:             74027962
          Equivalent to 4 /8s, 105 /16s and 147 /24s
          Percentage of available APNIC address space announced:       72.8
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
      APNIC Address Blocks   61/8, 202/7, 210/7 and 218/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   71715
      Prefixes being announced from the ARIN address blocks:          51695
      ARIN Region origin ASes present in the Internet Routing Table:   6798
      ARIN Region origin ASes announcing only one prefix:              2013
      ARIN Region transit ASes present in the Internet Routing Table:   710
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        13
      Number of ARIN addresses announced to Internet:             201112880
          Equivalent to 11 /8s, 252 /16s and 189 /24s
          Percentage of available ARIN address space announced:        79.9
      
      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 - 22527
      ARIN Address Blocks    24/8, 63/8, 64/6, 199/8, 200/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   17353
      Prefixes being announced from the RIPE address blocks:          13448
      RIPE Region origin ASes present in the Internet Routing Table:   3195
      RIPE Region origin ASes announcing only one prefix:              1684
      RIPE Region transit ASes present in the Internet Routing Table:   582
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             101605394
          Equivalent to 6 /8s, 14 /16s and 96 /24s
          Percentage of available RIPE address space announced:        67.3
      
      RIPE AS Blocks         1877 - 1901, 2042, 2047, 2107 - 2136, 2585 - 2614
                             2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
                             6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
                             20480 - 21503
      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  Description
       1221     1673       1346       Telstra
       2764      433        345       connect.com.au pty ltd
        703      401        383       UUNET Technologies, Inc.
       2907      367       1784       SINET Japan
       4755      283        158       VSNL India
       7474      242        292       Optus Communications
       4134      232       1610       Data Communications Bureau
       7539      207        165       TANet2, sponsored by NSC, TAI
       4766      176       1336       KORnet Powered BY Korea Telec
       7545      145         21       TPG Internet Pty Ltd
       9443      134         38       INTERNETPRIMUS-AS-A
       4786      130         17       NetConnect Communications Pty
       4763      118         69       Telstra New Zealand
      17561      115        151       Internet service provision to
       7657      113         22       The Internet Group Limited
       7586      112         17       Paradox Digital Pty. Ltd
       4812      111        279       Shanghai Telecom Company
       4740      110         15       Ozemail
       4713      109        878       NTT-OCNET
       9583      108         60       Satyam Infoway Ltd.,
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  Description
        702      679       1846       UUNET Technologies, Inc.
       3301      430        918       TeliaNet Sweden
      15870      417         12       Global Center Frankfurt
       1257      280        504       Swipnet AB
       1270      245        868       UUNET Germany
        680      232       2069       Deutschef Forschurgsnetz
       3215      220        495       RAIN
      15878      202          8       Global Center Paris
        719      187        291       LANLINK
        786      184       1890       JANET IP Service
       5515      174        654       Sonera Finland
       3320      170       1410       Deutsche Telekom AG
       8708      151         15       Romania Data System
       5400      139         66       Concert Internet Plus Europea
       3303      130        575       Swisscom
        517      124        272       Xlink
       2856      123        776       BTnet UK Regional network
       5549      117         66       Seicom Computer Gmb
       1267      107       1989       IUnet S.p.A
       8503      106          3       PCNET - PCNET DATA Network
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  Description
        701     2318       8313       UUNET Technologies, Inc.
       7018      971       6988       AT&T
          1      906       8715       BBN Planet
       7046      744       1055       UUNET Technologies, Inc.
       1239      686       3295       Sprint ICM-Inria
        690      525         94       Merit Network
       2914      518       2317       Verio, Inc.
       4293      491         99       Cable & Wireless USA
        209      473       1883       Qwest
       3561      433       2450       Cable & Wireless USA
       3908      420        583       Supernet, Inc.
       2548      415       1012       Digital Express Group, Inc.
       2149      414        377       Performance Systems, Inc.
      18994      397         10       Global Crossing 
       4323      361        300       Time Warner Communications, I
       3549      351        809       Global Crossing
      11371      337        100       Rhythms NetConnections
       3967      331        450       Exodus Communication
      15290      321        340       AT&T Canada IES 
       6347      315        353       SAVVIS Communications Corpora
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  Description
        701     2318       8313       UUNET Technologies, Inc.
       1221     1673       1346       Telstra
       7018      971       6988       AT&T
          1      906       8715       BBN Planet
       7046      744       1055       UUNET Technologies, Inc.
       1239      686       3295       Sprint ICM-Inria
        702      679       1846       UUNET Technologies, Inc.
        690      525         94       Merit Network
       2914      518       2317       Verio, Inc.
       4293      491         99       Cable & Wireless USA
        209      473       1883       Qwest
       2764      433        345       connect.com.au pty ltd
       3561      433       2450       Cable & Wireless USA
       3301      430        918       TeliaNet Sweden
       3908      420        583       Supernet, Inc.
      15870      417         12       Global Center Frankfurt
       2548      415       1012       Digital Express Group, Inc.
       2149      414        377       Performance Systems, Inc.
        703      401        383       UUNET Technologies, Inc.
      18994      397         10       Global Crossing 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      18541   UNALLOCATED   63.166.66.0/24        1239       Sprint ICM-Inria
      18541   UNALLOCATED   63.169.205.0/24       1239       Sprint ICM-Inria
        578   UNALLOCATED   64.230.242.0/28        577       Bell Canada
        578   UNALLOCATED   64.230.242.16/28       577       Bell Canada
      65501   PRIVATE       64.243.116.0/24      16890       K&G Network Services
       2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp.
       1877   UNALLOCATED   192.108.196.0/24      1800       SPRINT
       1877   UNALLOCATED   192.108.209.0/24      1880       Stupi, house man's 
       1877   UNALLOCATED   192.108.210.0/24      1880       Stupi, house man's 
       1877   UNALLOCATED   192.108.214.0/24      1800       SPRINT
      19062   UNALLOCATED   192.197.96.0/20       1691       BCTEL Advanced Commu
      65460   PRIVATE       192.231.11.0/24       7018       AT&T
       5757   UNALLOCATED   192.239.13.0/24        701       UUNET Technologies, 
      17657   UNALLOCATED   202.161.160.0/20      9653       AGNS HongKong NET
       4831   UNALLOCATED   202.172.32.0/20       9740       Cable & Wireless Net
      19551   UNALLOCATED   204.229.224.0/22      6226       US West Communicatio
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      19322   UNALLOCATED   208.44.17.0/24         209       Qwest
      65515   PRIVATE       212.110.142.0/24      5593       CRIS-AS
      
      Advertised Unregistered Addresses
      ---------------------------------
      
      Network            Origin AS  Description
      99.0.0.0/8            9638     National Agricultural Coopera
      128.65.0.0/16         3463     ACES Research Inc
      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.
      153.34.0.0/15          701     UUNET Technologies, Inc.
      153.36.0.0/14          701     UUNET Technologies, Inc.
      154.150.0.0/16        6494     IDCI
      158.0.0.0/13           568     DISO-UNRRA
      164.233.0.0/16        6020     US DOD NIC Unregistered
      172.32.1.0/25         1221     Telstra
      172.122.0.0/16         701     UUNET Technologies, Inc.
      201.115.100.0/24      7018     AT&T
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:20       /9:5       /10:6       /11:8       /12:32      
      /13:82      /14:215     /15:353     /16:6914    /17:1177    /18:2244    
      /19:6753    /20:5408    /21:4515    /22:6806    /23:8631    /24:59130   
      /25:289     /26:361     /27:429     /28:431     /29:355     /30:336     
      /31:1       /32:72      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       1221     1518          1673      Telstra
        701     1454          2318      UUNET Technologies, Inc.
       7046      577           744      UUNET Technologies, Inc.
        690      521           525      Merit Network
       7018      490           971      AT&T
       4293      475           491      Cable & Wireless USA
        702      428           679      UUNET Technologies, Inc.
          1      426           906      BBN Planet
      15870      413           417      Global Center Frankfurt
      18994      395           397      Global Crossing 
       2764      389           433      connect.com.au pty ltd
       1239      369           686      Sprint ICM-Inria
        209      351           473      Qwest
        703      331           401      UUNET Technologies, Inc.
      11371      324           337      Rhythms NetConnections
       3908      319           420      Supernet, Inc.
       4323      314           361      Time Warner Communications, I
      18993      308           312      Global Crossing 
       2548      304           415      Digital Express Group, Inc.
       8013      278           308      PSINet Ltd. Canada
      
      Advertised prefixes smaller than registry allocations (per /8 block)
      --------------------------------------------------------------------
      
         4:1         9:6        12:579      13:13       15:11       17:11     
        20:7        24:846      26:1        32:42       35:4        38:30     
        40:2        43:4        44:5        45:1        47:40       52:2      
        53:4        55:1        56:5        57:15       61:117      62:197    
        63:2512     64:2746     65:1001     66:758      80:47      128:61     
       129:188     130:54      131:67      132:41      133:1       134:231    
       135:11      136:36      137:178     138:233     139:86      140:257    
       141:225     142:113     143:98      144:198     145:32      146:199    
       147:180     148:239     149:124     150:63      151:261     152:984    
       153:40      154:21      155:144     156:92      157:156     158:113    
       159:82      160:85      161:146     162:160     163:237     164:167    
       165:250     166:260     167:158     168:215     169:54      170:446    
       171:20      172:1       192:32      193:2607    194:2750    195:1078   
       196:3       198:4       199:3881    200:2756    202:3739    203:5755   
       204:4372    205:2926    206:4110    207:3637    208:5200    209:4100   
       210:777     211:293     212:1124    213:697     216:4751    217:441    
       218:3      
      
      End of report
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