[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, 18 May 2001 04:05:48 +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   18 May, 2001
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            106302
      Origin ASes present in the Internet Routing Table:              10868
      Origin ASes announcing only one prefix:                          3970
      Transit ASes present in the Internet Routing Table:              1434
      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:             19
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:     1
      Number of addresses announced to Internet:                 1230918418
          Equivalent to 73 /8s, 94 /16s and 83 /24s
          Percentage of available address space announced:             33.2
          Percentage of allocated address space announced:             64.0
          Percentage of available address space allocated:             51.9
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  15978
      Prefixes being announced from the APNIC address blocks:         14530
      APNIC Region origin ASes present in the Internet Routing Table:  1248
      APNIC Region origin ASes announcing only one prefix:              442
      APNIC Region transit ASes present in the Internet Routing Table:  205
      Average APNIC Region AS path length visible:                      5.1
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             72191777
          Equivalent to 4 /8s, 77 /16s and 143 /24s
          Percentage of available APNIC address space announced:       71.0
      
      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:                   73572
      Prefixes being announced from the ARIN address blocks:          50747
      ARIN Region origin ASes present in the Internet Routing Table:   6618
      ARIN Region origin ASes announcing only one prefix:              1985
      ARIN Region transit ASes present in the Internet Routing Table:   686
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             200075426
          Equivalent to 11 /8s, 236 /16s and 232 /24s
          Percentage of available ARIN address space announced:        91.7
      
      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
      ARIN Address Blocks    63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   16733
      Prefixes being announced from the RIPE address blocks:          13079
      RIPE Region origin ASes present in the Internet Routing Table:   3000
      RIPE Region origin ASes announcing only one prefix:              1539
      RIPE Region transit ASes present in the Internet Routing Table:   541
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        16
      Number of RIPE addresses announced to Internet:              98389962
          Equivalent to 5 /8s, 221 /16s and 79 /24s
          Percentage of available RIPE address space announced:        65.2
      
      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  /19 equiv  Description
       1221     1743        665       Telstra
       2764      875        172       connect.com.au pty ltd
        703      382        206       UUNET Technologies, Inc.
       2907      364        884       SINET Japan
       4755      327        110       VSNL India
       4538      241       1048       China Education and Research 
       7539      214         97       Delegated to TWNIC for subseq
       4134      195        635       Data Communications Bureau
       7474      191         86       Optus Communications
       7657      183         13       The Internet Group Limited
       7545      156         11       TPG Internet Pty Ltd
       4740      151          9       Ozemail
      17561      151         68       Internet service provision to
       1237      149         50       System Engineering Research I
       4766      148        681       KORnet Powered BY Korea Telec
       4786      126          7       NetConnect Communications Pty
       9443      124         23       INTERNETPRIMUS-AS-A
       7586      121          9       Paradox Digital Pty. Ltd
       4736      120         17       Magna Data
       7617      120         46       One.Net Pty Ltd
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /19 equiv  Description
        702      591        833       UUNET Technologies, Inc.
      15870      450          3       Global Center Frankfurt
       3301      392        401       TeliaNet Sweden
       1257      278        263       Swipnet AB
       1270      268        440       UUNET Germany
        680      215        970       Deutschef Forschurgsnetz
       3215      211        231       RAIN
        719      186        146       LANLINK
        786      185        952       JANET IP Service
       5515      173        318       Sonera Finland
       3320      163        709       Deutsche Telekom AG
       5400      132         34       Concert Internet Plus Europea
        517      128        136       Xlink
       3303      126        296       Swisscom
       8708      120          7       Romania Data System
       2856      118        396       BTnet UK Regional network
       1267      100        978       IUnet S.p.A
       1290       98        203       PSINet UK Ltd.
       1901       91         69       EUnet Austria
       3269       86        278       TELECOM ITALIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /19 equiv  Description
        701     2364       3781       UUNET Technologies, Inc.
        705     1157         54       UUNET Technologies, Inc.
       7018     1026       3306       AT&T
          1      948       4464       BBN Planet
       7046      804       2612       UUNET Technologies, Inc.
       3491      678        180       CAIS Internet
       1239      637       1597       Sprint ICM-Inria
       2914      594       1181       Verio, Inc.
       3561      542       1208       Cable & Wireless USA
       4293      485         42       Cable & Wireless USA
      18994      480          5       Global Crossing 
        690      472         47       Merit Network
        209      454        797       Qwest
       2548      405        506       Digital Express Group, Inc.
       3908      386        265       Supernet, Inc.
        174      368       2614       PSINet Inc.
       3602      358         73       Sprint Canada
       3549      349        526       Global Crossing
       4323      340        140       Time Warner Communications, I
       3967      338        227       Exodus Communication
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /19 equiv  Description
        701     2364       3781       UUNET Technologies, Inc.
       1221     1743        665       Telstra
        705     1157         54       UUNET Technologies, Inc.
       7018     1026       3306       AT&T
          1      948       4464       BBN Planet
       2764      875        172       connect.com.au pty ltd
       7046      804       2612       UUNET Technologies, Inc.
       3491      678        180       CAIS Internet
       1239      637       1597       Sprint ICM-Inria
       2914      594       1181       Verio, Inc.
        702      591        833       UUNET Technologies, Inc.
       3561      542       1208       Cable & Wireless USA
       4293      485         42       Cable & Wireless USA
      18994      480          5       Global Crossing 
        690      472         47       Merit Network
        209      454        797       Qwest
      15870      450          3       Global Center Frankfurt
       2548      405        506       Digital Express Group, Inc.
       3301      392        401       TeliaNet Sweden
       3908      386        265       Supernet, Inc.
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       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
       5757   UNALLOCATED   192.239.13.0/24        701       UUNET Technologies, 
      65527   PRIVATE       195.138.163.0/24      6221       US Cybersites, Inc
      17441   UNALLOCATED   203.131.192.0/24      6347       SAVVIS Communication
      65502   PRIVATE       203.166.83.0/24      10084       Western Australian I
      65500   PRIVATE       203.166.86.0/24      10084       Western Australian I
       5555   UNALLOCATED   205.110.64.0/24        721       DLA Systems Automati
       5555   UNALLOCATED   205.110.68.0/22        721       DLA Systems Automati
       5555   UNALLOCATED   205.110.72.0/21        721       DLA Systems Automati
      65527   PRIVATE       206.98.236.0/24       6221       US Cybersites, Inc
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      65527   PRIVATE       208.130.10.0/24       6221       US Cybersites, Inc
      65527   PRIVATE       208.140.136.0/21      6221       US Cybersites, Inc
      65527   PRIVATE       208.140.170.0/24      6221       US Cybersites, Inc
      65527   PRIVATE       208.140.174.0/23      6221       US Cybersites, Inc
      
      Advertised IANA Reserved Addresses
      ----------------------------------
      
      Network            Origin AS  Description
      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       /11:9       /12:31      
      /13:73      /14:203     /15:346     /16:6936    /17:1167    /18:2138    
      /19:6650    /20:5201    /21:4529    /22:6813    /23:8705    /24:61097   
      /25:265     /26:455     /27:449     /28:463     /29:380     /30:296     
      /31:1       /32:64      
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         9:3        12:362      13:10       15:1        17:2        24:690    
        26:1        32:13       38:576      44:3        47:1        53:2      
        55:1        57:11       61:32       62:121      63:1955     64:1670   
        65:568      66:318     128:43      129:106     130:23      131:36     
       132:9       133:1       134:169     135:11      136:16      137:122    
       138:245     139:47      140:139     141:165     142:63      143:41     
       144:139     145:9       146:137     147:135     148:93      149:124    
       150:27      151:300     152:629     153:32      154:18      155:80     
       156:47      157:106     158:178     159:76      160:27      161:56     
       162:62      163:135     164:95      165:119     166:175     167:139    
       168:82      169:35      170:266     171:2       192:5447    193:1956   
       194:2067    195:774     196:403     198:3658    199:3394    200:2051   
       201:1       202:2521    203:4981    204:3358    205:2265    206:2835   
       207:2903    208:2961    209:3153    210:746     211:159     212:877    
       213:413     214:9       215:12      216:3023    217:231    
      
      End of report
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