[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, 21 Jun 2002 20:05:18 +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 21 Jun, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            116768
          Prefixes after maximum aggregation:                         75458
          Unique aggregates announced to Internet:                    54444
      Total ASes present in the Internet Routing Table:               13262
      Origin-only ASes present in the Internet Routing Table:         11497
      Origin ASes announcing only one prefix:                          5075
      Transit ASes present in the Internet Routing Table:              1765
      Transit-only ASes present in the Internet Routing Table:           50
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    18
      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:    35
      Number of addresses announced to Internet:                 1191164380
          Equivalent to 70 /8s, 255 /16s and 185 /24s
          Percentage of available address space announced:             32.1
          Percentage of allocated address space announced:             59.9
          Percentage of available address space allocated:             53.7
      Total number of prefixes smaller than registry allocations:     48984
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18439
          Total APNIC prefixes after maximum aggregation:             11051
      Prefixes being announced from the APNIC address blocks:         16933
          Unique aggregates announced from the APNIC address blocks:  10433
      APNIC Region origin ASes present in the Internet Routing Table:  1546
      APNIC Region origin ASes announcing only one prefix:              505
      APNIC Region transit ASes present in the Internet Routing Table:  271
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       12
      Number of APNIC addresses announced to Internet:             87375200
          Equivalent to 5 /8s, 53 /16s and 61 /24s
          Percentage of available APNIC address space announced:       64.6
      
      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:                   79103
          Total ARIN prefixes after maximum aggregation:              49855
      Prefixes being announced from the ARIN address blocks:          54598
          Unique aggregates announced from the ARIN address blocks:   17874
      ARIN Region origin ASes present in the Internet Routing Table:   7814
      ARIN Region origin ASes announcing only one prefix:              2508
      ARIN Region transit ASes present in the Internet Routing Table:   764
      Average ARIN Region AS path length visible:                       5.3
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             188803412
          Equivalent to 11 /8s, 64 /16s and 233 /24s
          Percentage of available ARIN address space announced:        70.3
      
      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:                   19225
          Total RIPE prefixes after maximum aggregation:              14552
      Prefixes being announced from the RIPE address blocks:          15925
          Unique aggregates announced from the RIPE address blocks:   10567
      RIPE Region origin ASes present in the Internet Routing Table:   3853
      RIPE Region origin ASes announcing only one prefix:              2062
      RIPE Region transit ASes present in the Internet Routing Table:   712
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        18
      Number of RIPE addresses announced to Internet:             111785248
          Equivalent to 6 /8s, 169 /16s and 181 /24s
          Percentage of available RIPE address space announced:        74.0
      
      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     1260       1222         907   Telstra Pty Ltd
       4538      419       1194          16   China Education and Research 
        703      417        357         333   UUNET Technologies, Inc. 
       2907      384       1875         357   SINET Japan
       2764      367        358         336   connect.com.au pty ltd
       7474      311        292         208   Optus Communications Pty Ltd
      17557      300         20         114   Pakistan Telecom
       4755      295        115          80   Videsh Sanchar Nigam Ltd. Aut
       4134      290       2132         102   Data Communications Bureau
       9443      251         45          67   Primus Telecommunications
       4766      216       1504         154   Korea Internet Exchange for "
       4814      196         79          14   China Telecom (Group) - Beiji
       4713      183       1009         106   NTT Communications Corporatio
       9583      175         32           5   Satyam Infoway Ltd.,
      17676      150       2322          23   XTAGE CORPORATION
       9768      146        386          75   Korea Telecom
       7657      139         22          87   The Internet Group Limited
       9800      116        191          24   CHINA UNICOM
       4780      112        186          39   Digital United Inc.
       4739      111         56         102   Commerical Internet eXchange 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1022       2617         846   UUNET Technologies, Inc. 
       3301      401        924         350   TeliaNet Sweden
       3352      278        537          27   Ibernet, Internet Access Netw
       3215      263        598         162   France Telecom / &Equant
        680      233       2149         230   DFN-IP service G-WiN
       3320      233       1962         186   Deutsche Telekom AG
       5515      206        783         172   Sonera Finland Autonomous Sys
       1257      204        430         201   SWIPnet Swedish IP Network
       5400      203         83          94   Concert European Core Network
        719      191        306         129   LANLINK autonomous system
        786      178       1873         177   The JANET IP Service
       8708      141         23         138   Romania Data Systems S.A.
       3303      133        546         132   Swisscom Ltd
       2856      125        786         115   BTnet UK Regional network
      12302      124         10          31   MobiFon S.A.
       3269      113        692          70   TELECOM ITALIA
       8297      111         55          64   Teleglobe Autonomous System i
       3246      108        300         103   Song Networks / Clinet
       3233      102          6          56   RNC - Romanian Natioanal R&D 
       2874       98         85          38   Global One Services AB
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       2149     2872        349        2325   Performance Systems, Inc. 
        701     2016       9242        1405   UUNET Technologies, Inc. 
       7018     1286       7453         929   AT&T 
       3908      908       1642         495   Supernet, Inc. 
       1239      815       3363         651   Sprint 
        705      802        188         276   UUNET Technologies, Inc. 
          1      701       8147         451   GENUITY 
        852      674       1173         449   Telus Advanced Communications
       4323      631        438         259   Time Warner Communications, I
       7843      613        375          60   Adelphia Corp. 
        209      611       1959         342   Qwest 
       7046      597        860         384   UUNET Technologies, Inc. 
        690      588         81         376   Merit Network 
       7132      577        659         134   Southwestern Bell Internet Se
        174      554       4608          36   PSINet Inc. 
       7066      476        202         249   Virginia Polytechnic Institut
       3549      453        857         317   Global Crossing 
       2914      393       2100         385   Verio, Inc. 
      15290      385        299         198   AT&T Canada IES 
       6197      347        247         170   BellSouth Network Solutions, 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        701      2016         611      UUNET Technologies, Inc. 
       7843       613         553      Adelphia Corp. 
        705       802         526      UUNET Technologies, Inc. 
        174       554         518      PSINet Inc. 
       7132       577         443      Southwestern Bell Internet Se
       3908       908         413      Supernet, Inc. 
       4538       419         403      China Education and Research 
       4323       631         372      Time Warner Communications, I
       7018      1286         357      AT&T 
       1221      1260         353      Telstra Pty Ltd
      11371       292         286      Rhythms NetConnections 
       4151       288         272      USDA 
        209       611         269      Qwest 
       6347       338         260      SAVVIS Communications Corpora
       3352       278         251      Ibernet, Internet Access Netw
          1       701         250      GENUITY 
       4355       301         248      EarthLink, Inc. 
       7029       262         248      Alltel Information Services, 
       7066       476         227      Virginia Polytechnic Institut
       4454       249         226      OIR Telecommunications, State
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      13136   UNALLOCATED   80.85.128.0/20       16243       Virtu Secure Webserv
      55000   RESERVED      81.5.64.0/20          5467       MIPT-NET
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      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     GENUITY 
      158.0.0.0/13           568     DISO-UNRRA 
      164.233.0.0/16        6020     DISA NETWORK SERVICES 
      192.26.98.0/24        1239     Sprint 
      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.
      192.83.16.0/20        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       /9:6       /10:7       /11:12      /12:36      
      /13:90      /14:236     /15:421     /16:7261    /17:1455    /18:2632    
      /19:7670    /20:7270    /21:5094    /22:7845    /23:9553    /24:66470   
      /25:195     /26:171     /27:82      /28:77      /29:48      /30:81      
      /31:1       /32:36      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       2149     2334          2872      Performance Systems, Inc. 
        702      629          1022      UUNET Technologies, Inc. 
        705      598           802      UUNET Technologies, Inc. 
        701      574          2016      UUNET Technologies, Inc. 
       3908      496           908      Supernet, Inc. 
        690      466           588      Merit Network 
        174      461           554      PSINet Inc. 
       7843      397           613      Adelphia Corp. 
       7066      381           476      Virginia Polytechnic Institut
       7018      345          1286      AT&T 
        209      276           611      Qwest 
       6197      249           347      BellSouth Network Solutions, 
       7029      248           262      Alltel Information Services, 
      11371      245           292      Rhythms NetConnections 
       7046      241           597      UUNET Technologies, Inc. 
       3301      237           401      TeliaNet Sweden
       6198      233           320      BellSouth Network Solutions, 
      18566      221           225      Covad Communications 
       6517      216           238      Yipes Communications, Inc. 
       1239      202           815      Sprint 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         9:1        12:510      13:10       15:2        17:6      
        20:2        24:807      25:1        32:41       38:2638     40:6      
        44:1        57:13       61:265      62:205      63:1925     64:1236   
        65:1658     66:978      67:86       68:179      80:257      81:30     
       128:60      129:140     130:24      131:49      132:11      133:3      
       134:120     135:8       136:245     137:94      138:149     139:59     
       140:141     141:121     142:83      143:37      144:152     145:14     
       146:174     147:138     148:216     149:91      150:40      151:127    
       152:265     153:33      154:19      155:101     156:77      157:127    
       158:69      159:127     160:18      161:69      162:154     163:103    
       164:276     165:133     166:229     167:173     168:131     169:59     
       170:355     171:3       192:5483    193:2369    194:2085    195:957    
       196:395     198:3680    199:3235    200:2514    202:3236    203:4661   
       204:3423    205:2183    206:2738    207:2613    208:2669    209:2672   
       210:582     211:221     212:899     213:632     214:9       215:19     
       216:2976    217:462     218:39      219:41     
      
      End of report
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