[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, 31 Aug 2001 04:17:50 +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   31 Aug, 2001
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            106542
      Origin ASes present in the Internet Routing Table:              11578
      Origin ASes announcing only one prefix:                          4257
      Transit ASes present in the Internet Routing Table:              1505
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    23
      Illegal AS announcements present in the Routing Table:             44
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    15
      Number of addresses announced to Internet:                 1214981193
          Equivalent to 72 /8s, 107 /16s and 36 /24s
          Percentage of available address space announced:             32.8
          Percentage of allocated address space announced:             63.1
          Percentage of available address space allocated:             51.9
      Total number of prefixes smaller than registry allocations:     72523
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  16099
      Prefixes being announced from the APNIC address blocks:         14490
      APNIC Region origin ASes present in the Internet Routing Table:  1359
      APNIC Region origin ASes announcing only one prefix:              453
      APNIC Region transit ASes present in the Internet Routing Table:  224
      Average APNIC Region AS path length visible:                      5.1
          Max APNIC Region AS path length visible:                       16
      Number of APNIC addresses announced to Internet:             77770730
          Equivalent to 4 /8s, 162 /16s and 175 /24s
          Percentage of available APNIC address space announced:       76.5
      
      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:                   73197
      Prefixes being announced from the ARIN address blocks:          52681
      ARIN Region origin ASes present in the Internet Routing Table:   6965
      ARIN Region origin ASes announcing only one prefix:              2075
      ARIN Region transit ASes present in the Internet Routing Table:   700
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        23
      Number of ARIN addresses announced to Internet:             207690849
          Equivalent to 12 /8s, 97 /16s and 28 /24s
          Percentage of available ARIN address space announced:        77.4
      
      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, 68/8, 199/8, 200/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   17238
      Prefixes being announced from the RIPE address blocks:          13646
      RIPE Region origin ASes present in the Internet Routing Table:   3260
      RIPE Region origin ASes announcing only one prefix:              1729
      RIPE Region transit ASes present in the Internet Routing Table:   583
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        18
      Number of RIPE addresses announced to Internet:             106320124
          Equivalent to 6 /8s, 86 /16s and 80 /24s
          Percentage of available RIPE address space announced:        70.4
      
      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
      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     1594       1315       Telstra Pty Ltd
       2764      430        378       connect.com.au pty ltd
        703      427        368       UUNET Technologies, Inc. 
       2907      367       1816       SINET Japan
       4755      297        163       Videsh Sanchar Nigam Ltd. Aut
       4134      243       1761       Data Communications Bureau
       7474      236        289       Optus Communications Pty Ltd
       7539      210        191       TANet2, sponsored by NSC, TAI
       4740      190         22       OzEmail ISP
       4766      179       1320       Korea Internet Exchange for "
       7545      146         25       TPG Internet Pty Ltd
       9443      143         39       Primus Telecommunications
       4786      131         17       NetConnect Communications Pty
       9583      123         62       Satyam Infoway Ltd.,
       4763      120         69       Telstra New Zealand
       4713      116        870       NTT Communications Corporatio
      17561      116        167       Internet service provision to
       7586      109         17       Paradox Digital Pty Ltd
       4812      108        277       China Telecom (Group)
      17557      106          7       Pakistan Telecom
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  Description
        702      725       1782       UUNET Technologies, Inc. 
       3301      431        917       TeliaNet Sweden
       1257      278        522       SWIPnet Swedish IP Network
        680      232       2261       DFN-IP service G-WiN
       3215      221        512       France Telecom / &Equant
       1270      203        826       UUNET Germany
       5515      194        688       Sonera Finland Autonomous Sys
        786      184       1890       The JANET IP Service
       3320      183       1940       Deutsche Telekom AG
      15870      182         11       Global Center Frankfurt
        719      180        291       LANLINK autonomous system
       8708      151         19       Romania Data Systems S.A.
      15878      143         12       Global Center Paris
       5400      136         66       Concert European Core Network
       3303      132        576       Swisscom Ltd
       2856      125        774       BTnet UK Regional network
       5549      124         66       Nextra Deutschland GmbH + Co.
        517      116        269       KPNQwest Germany GmbH
       1267      103       1989       Infostrada S.p.A.
       3269      100        780       TELECOM ITALIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  Description
        701     2260       8188       UUNET Technologies, Inc. 
       7018     1030       7164       AT&T 
       3908      905        649       Supernet, Inc. 
          1      877       8660       BBN Planet 
       7046      790       1024       UUNET Technologies, Inc. 
       1239      722       3284       Sprint 
       3967      602        487       Exodus Communication 
        690      516         80       Merit Network 
        209      508       2135       Qwest 
       2914      500       2292       Verio, Inc. 
       4293      473        114       Cable & Wireless USA 
       3561      423       2373       Cable & Wireless USA 
       2548      384        997       Business Internet, Inc. 
       2149      375        311       Performance Systems, Inc. 
       3549      367        835       Global Crossing 
        577      365        634       Bell Advanced Communications 
       4323      349        341       Time Warner Communications, I
      15290      346        338       AT&T Canada IES 
       6347      337        360       SAVVIS Communications Corpora
       4151      332       1234       USDA 
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  Description
        701     2260       8188       UUNET Technologies, Inc. 
       1221     1594       1315       Telstra Pty Ltd
       7018     1030       7164       AT&T 
       3908      905        649       Supernet, Inc. 
          1      877       8660       BBN Planet 
       7046      790       1024       UUNET Technologies, Inc. 
        702      725       1782       UUNET Technologies, Inc. 
       1239      722       3284       Sprint 
       3967      602        487       Exodus Communication 
        690      516         80       Merit Network 
        209      508       2135       Qwest 
       2914      500       2292       Verio, Inc. 
       4293      473        114       Cable & Wireless USA 
       3301      431        917       TeliaNet Sweden
       2764      430        378       connect.com.au pty ltd
        703      427        368       UUNET Technologies, Inc. 
       3561      423       2373       Cable & Wireless USA 
       2548      384        997       Business Internet, Inc. 
       2149      375        311       Performance Systems, Inc. 
       2907      367       1816       SINET Japan
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65534   PRIVATE       62.23.176.0/24        6675       Colt Telecommunicati
      65534   PRIVATE       62.23.177.0/24        6675       Colt Telecommunicati
       6971   UNALLOCATED   64.42.0.0/18          2516       Kokusai Denshin Denw
       6971   UNALLOCATED   64.42.0.0/17          2516       Kokusai Denshin Denw
       6971   UNALLOCATED   64.42.40.0/21         2914       Verio, Inc. 
       6971   UNALLOCATED   64.42.48.0/21         2914       Verio, Inc. 
       6971   UNALLOCATED   64.42.60.0/22         2914       Verio, Inc. 
       6971   UNALLOCATED   64.42.72.0/21         2914       Verio, Inc. 
       6971   UNALLOCATED   64.42.108.0/22        2914       Verio, Inc. 
       6971   UNALLOCATED   64.42.112.0/20        2914       Verio, Inc. 
       6971   UNALLOCATED   64.87.64.0/19         2516       Kokusai Denshin Denw
      65000   PRIVATE       138.163.4.0/24         665       Department of Navy 
       2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp. 
       6971   UNALLOCATED   192.103.229.0/24      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   192.103.230.0/23      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   192.103.232.0/22      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   192.103.236.0/23      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   192.103.237.0/24      2516       Kokusai Denshin Denw
       1877   UNALLOCATED   192.108.199.0/24      1755       Ebone Transit Core
      65460   PRIVATE       192.231.11.0/24       7018       AT&T 
      65002   PRIVATE       193.77.3.0/24         5603       SiOL Internet d.o.o.
       6971   UNALLOCATED   199.249.223.0/24      2516       Kokusai Denshin Denw
      64550   PRIVATE       203.161.39.0/24      17802       Internet AccessFor Q
       6971   UNALLOCATED   206.58.248.0/22       2516       Kokusai Denshin Denw
       6971   UNALLOCATED   206.58.248.0/21       2516       Kokusai Denshin Denw
       6971   UNALLOCATED   206.58.252.0/23       2914       Verio, Inc. 
       6971   UNALLOCATED   206.58.254.0/23       2914       Verio, Inc. 
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      22259   UNALLOCATED   208.254.175.0/24       701       UUNET Technologies, 
      65000   PRIVATE       212.30.88.0/24        5603       SiOL Internet d.o.o.
      65515   PRIVATE       212.110.142.0/24      5593       CRIS-AS
       6971   UNALLOCATED   216.105.192.0/20      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   216.121.224.0/19      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   216.174.192.0/21      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   216.174.192.0/18      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   216.174.200.0/23      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   216.174.202.0/23      2914       Verio, Inc. 
       6971   UNALLOCATED   216.174.204.0/22      2914       Verio, Inc. 
       6971   UNALLOCATED   216.174.208.0/20      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   216.174.232.0/21      2914       Verio, Inc. 
       6971   UNALLOCATED   216.174.240.0/22      2914       Verio, Inc. 
       6971   UNALLOCATED   216.210.128.0/18      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   216.210.128.0/17      2516       Kokusai Denshin Denw
       6971   UNALLOCATED   216.229.96.0/20       2516       Kokusai Denshin Denw
      
      Advertised Unregistered Addresses
      ---------------------------------
      
      Network            Origin AS  Description
      82.105.0.0/16         3269     TELECOM ITALIA
      82.105.128.0/17       3269     TELECOM ITALIA
      128.65.0.0/16         3463     ACES Research Inc 
      132.0.0.0/10           568     DISO-UNRRA 
      134.137.0.0/16         400     Headquarters Standard Systems
      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     DISA NETWORK SERVICES 
      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        /8:17       /9:5       /10:6       /11:12      /12:32      
      /13:84      /14:226     /15:380     /16:6957    /17:1224    /18:2324    
      /19:6913    /20:5701    /21:4676    /22:6904    /23:8783    /24:60638   
      /25:337     /26:339     /27:270     /28:269     /29:160     /30:201     
      /31:1       /32:83      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       1221     1445          1594      Telstra Pty Ltd
        701     1425          2260      UUNET Technologies, Inc. 
       3908      752           905      Supernet, Inc. 
       7046      612           790      UUNET Technologies, Inc. 
       7018      527          1030      AT&T 
        690      513           516      Merit Network 
        702      470           725      UUNET Technologies, Inc. 
       4293      456           473      Cable & Wireless USA 
       3967      422           602      Exodus Communication 
          1      413           877      BBN Planet 
       1239      399           722      Sprint 
       2764      383           430      connect.com.au pty ltd
        209      361           508      Qwest 
        703      357           427      UUNET Technologies, Inc. 
      11371      309           322      Rhythms NetConnections 
       4323      294           349      Time Warner Communications, I
       4151      290           332      USDA 
       2548      276           384      Business Internet, Inc. 
       6995      275           289      Bell Atlantic Internet Soluti
        705      273           315      UUNET Technologies, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2         9:1        12:408      13:10       15:1        17:6      
        20:1        24:766      26:1        32:70       38:8        43:4      
        44:2        53:2        55:1        57:15       61:68       62:137    
        63:1916     64:1341     65:640      66:451      80:36      128:44     
       129:114     130:17      131:42      132:12      133:1       134:151    
       135:8       136:22      137:142     138:200     139:46      140:195    
       141:161     142:63      143:39      144:140     145:11      146:145    
       147:130     148:180     149:89      150:37      151:209     152:390    
       153:32      154:23      155:79      156:84      157:121     158:72     
       159:64      160:46      161:59      162:67      163:158     164:108    
       165:95      166:187     167:142     168:119     169:36      170:286    
       171:2       192:5443    193:1944    194:2041    195:820     196:416    
       198:3670    199:3321    200:2491    201:1       202:2741    203:4607   
       204:3349    205:2263    206:2914    207:2639    208:3066    209:3229   
       210:529     211:126     212:824     213:468     214:8       215:13     
       216:3071    217:387     218:2      
      
      End of report
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