[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, 12 Apr 2002 20:05:03 +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 12 Apr, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            111098
          Prefixes after maximum aggregation:                         72529
          Unique aggregates announced to Internet:                    53373
      Total ASes present in the Internet Routing Table:               12889
      Origin-only ASes present in the Internet Routing Table:         11172
      Origin ASes announcing only one prefix:                          4870
      Transit ASes present in the Internet Routing Table:              1717
      Transit-only ASes present in the Internet Routing Table:           58
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    16
      Illegal AS announcements present in the Routing Table:              8
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    14
      Number of addresses announced to Internet:                 1186324588
          Equivalent to 70 /8s, 181 /16s and 224 /24s
          Percentage of available address space announced:             32.0
          Percentage of allocated address space announced:             60.6
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     74720
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18052
          Total APNIC prefixes after maximum aggregation:             10808
      Prefixes being announced from the APNIC address blocks:         16568
          Unique aggregates announced from the APNIC address blocks:  10235
      APNIC Region origin ASes present in the Internet Routing Table:  1474
      APNIC Region origin ASes announcing only one prefix:              472
      APNIC Region transit ASes present in the Internet Routing Table:  267
      Average APNIC Region AS path length visible:                      5.5
          Max APNIC Region AS path length visible:                       13
      Number of APNIC addresses announced to Internet:             82939712
          Equivalent to 4 /8s, 241 /16s and 143 /24s
          Percentage of available APNIC address space announced:       61.3
      
      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:                   74469
          Total ARIN prefixes after maximum aggregation:              47475
      Prefixes being announced from the ARIN address blocks:          52602
          Unique aggregates announced from the ARIN address blocks:   17616
      ARIN Region origin ASes present in the Internet Routing Table:   7625
      ARIN Region origin ASes announcing only one prefix:              2393
      ARIN Region transit ASes present in the Internet Routing Table:   757
      Average ARIN Region AS path length visible:                       5.3
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             183982020
          Equivalent to 10 /8s, 247 /16s and 87 /24s
          Percentage of available ARIN address space announced:        68.5
      
      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
      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:                   18572
          Total RIPE prefixes after maximum aggregation:              14246
      Prefixes being announced from the RIPE address blocks:          15303
          Unique aggregates announced from the RIPE address blocks:    9614
      RIPE Region origin ASes present in the Internet Routing Table:   3733
      RIPE Region origin ASes announcing only one prefix:              2005
      RIPE Region transit ASes present in the Internet Routing Table:   682
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             114191648
          Equivalent to 6 /8s, 206 /16s and 109 /24s
          Percentage of available RIPE address space announced:        75.6
      
      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     1290       1211         947   Telstra Pty Ltd
       4538      472       1194          17   China Education and Research 
       2907      438       1959         370   SINET Japan
        703      421        341         327   UUNET Technologies, Inc. 
       2764      396        362         364   connect.com.au pty ltd
       7474      308        290         207   Optus Communications Pty Ltd
       9443      275         44          63   Primus Telecommunications
       4134      273       1986          93   Data Communications Bureau
       4755      271        109          78   Videsh Sanchar Nigam Ltd. Aut
      17557      259         18         105   Pakistan Telecom
       4766      220       1520         158   Korea Internet Exchange for "
       7539      168        239         162   TANet2, sponsored by NSC, TAI
       4804      162         84          67   Microplex PTY LTD
       9583      153         32           5   Satyam Infoway Ltd.,
       9768      145        385          79   Korea Telecom
       7657      122         22          85   The Internet Group Limited
       4713      120        898         104   NTT Communications Corporatio
      17676      119       1904          12   XTAGE CORPORATION
       7713      115         49          24   PT TELEKOMUNIKASI INDONESIA
       4780      113        186          39   Digital United Inc.
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1031       2577         848   UUNET Technologies, Inc. 
       3301      391        923         343   TeliaNet Sweden
       3215      270        598         175   France Telecom / &Equant
       5515      266        760         171   Sonera Finland Autonomous Sys
        680      232       2149         231   DFN-IP service G-WiN
       3320      229       1962         176   Deutsche Telekom AG
       1257      215        463         212   SWIPnet Swedish IP Network
       5400      194         82          93   Concert European Core Network
        786      182       1874         182   The JANET IP Service
        719      163        289         118   LANLINK autonomous system
       8708      143         22         135   Romania Data Systems S.A.
       2856      128        786         117   BTnet UK Regional network
      12302      126          8          46   MobiFon S.A.
       8297      123       4133          65   Teleglobe Autonomous System i
       3269      117        694          71   TELECOM ITALIA
       3303      117        546         116   Swisscom Ltd
       5536      109         13          25   Internet Egypt Network
       5511      105        193          92   France Telecom
        517      101        226          97   KPNQwest Germany GmbH
       2874       96         84          36   Global One Services AB
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2076       8538        1454   UUNET Technologies, Inc. 
       7018     1249       7517         931   AT&T 
       3908      852       1660         476   Supernet, Inc. 
          1      802       8124         597   BBN Planet 
       1239      780       3359         643   Sprint 
       4323      634        436         253   Time Warner Communications, I
        852      629       1112         414   Telus Advanced Communications
       7046      599        837         373   UUNET Technologies, Inc. 
        705      592        185         292   UUNET Technologies, Inc. 
        209      580       2003         326   Qwest 
       7132      567        602         138   Southwestern Bell Internet Se
       3549      520        858         273   Global Crossing 
        690      459         68         300   Merit Network 
       7843      430        314          49   Adelphia Corp. 
       2914      413       2162         406   Verio, Inc. 
       7066      405        202         249   Virginia Polytechnic Institut
       2149      351        191         292   Performance Systems, Inc. 
       3741      343        731         236   The Internet Solution 
       6197      341        341         131   BellSouth Network Solutions, 
       3561      321       2151         288   Cable & Wireless USA 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       472         455      China Education and Research 
       7132       567         429      Southwestern Bell Internet Se
       4323       634         381      Time Warner Communications, I
       7843       430         381      Adelphia Corp. 
       3908       852         376      Supernet, Inc. 
       1221      1290         343      Telstra Pty Ltd
       7018      1249         318      AT&T 
        705       592         300      UUNET Technologies, Inc. 
       4151       309         293      USDA 
      11371       293         287      Rhythms NetConnections 
       4565       309         276      Epoch Networks 
        209       580         254      Qwest 
       7029       264         249      Alltel Information Services, 
       3549       520         247      Global Crossing 
       6347       317         238      SAVVIS Communications Corpora
       7046       599         226      UUNET Technologies, Inc. 
       4355       251         216      EarthLink, Inc. 
        852       629         215      Telus Advanced Communications
       9443       275         212      Primus Telecommunications
       6197       341         210      BellSouth Network Solutions, 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      25612   UNALLOCATED   65.169.169.0/24       1239       Sprint 
      25612   UNALLOCATED   65.174.220.0/24       1239       Sprint 
       1877   UNALLOCATED   192.108.201.0/24      1880       Stupi, house man's p
        112   UNALLOCATED   192.175.48.0/24       3557       Vixie Enterprises 
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      25611   UNALLOCATED   208.17.232.0/24       6128       Cablevision Systems 
      25612   UNALLOCATED   208.21.11.0/24        1239       Sprint 
      25612   UNALLOCATED   208.35.16.0/24        1239       Sprint 
      
      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 
      164.235.0.0/16        6025     US DOD NIC Unregistered
      192.5.4.0/23          3557     Vixie Enterprises 
      
      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       /10:8       /11:14      /12:35      
      /13:88      /14:231     /15:402     /16:7183    /17:1404    /18:2569    
      /19:7439    /20:6923    /21:4949    /22:7654    /23:9216    /24:62179   
      /25:218     /26:194     /27:90      /28:92      /29:56      /30:95      
      /31:0       /32:33      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1334          2076      UUNET Technologies, Inc. 
       1221     1150          1290      Telstra Pty Ltd
        702      659          1031      UUNET Technologies, Inc. 
       7018      658          1249      AT&T 
       3908      584           852      Supernet, Inc. 
        705      514           592      UUNET Technologies, Inc. 
       4323      502           634      Time Warner Communications, I
        690      451           459      Merit Network 
       1239      434           780      Sprint 
       7046      411           599      UUNET Technologies, Inc. 
          1      396           802      BBN Planet 
        209      386           580      Qwest 
        852      383           629      Telus Advanced Communications
       3549      380           520      Global Crossing 
       7066      376           405      Virginia Polytechnic Institut
       2764      349           396      connect.com.au pty ltd
        703      337           421      UUNET Technologies, Inc. 
      11371      287           293      Rhythms NetConnections 
       4565      285           309      Epoch Networks 
       6197      283           341      BellSouth Network Solutions, 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         3:1         9:1        11:1        12:493      13:10       15:2      
        17:6        20:2        24:769      25:1        32:68       38:8      
        40:6        44:1        57:14       61:197      62:187      63:1900   
        64:1209     65:1152     66:824      67:245      68:5        80:208    
        81:13      128:64      129:140     130:22      131:57      132:12     
       133:3       134:128     135:10      136:312     137:105     138:143    
       139:49      140:188     141:139     142:81      143:38      144:140    
       145:13      146:221     147:137     148:163     149:92      150:40     
       151:48      152:319     153:33      154:1       155:108     156:76     
       157:123     158:71      159:125     160:37      161:55      162:153    
       163:104     164:190     165:124     166:220     167:194     168:98     
       169:52      170:290     171:2       192:5446    193:2281    194:2098   
       195:807     196:433     198:3744    199:3208    200:2409    202:3182   
       203:4598    204:3248    205:2176    206:2612    207:2670    208:2560   
       209:2787    210:606     211:205     212:876     213:596     214:9      
       215:18      216:3090    217:467     218:15     
      
      End of report
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