[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, 10 May 2002 20:04:43 +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 10 May, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            111959
          Prefixes after maximum aggregation:                         73020
          Unique aggregates announced to Internet:                    53160
      Total ASes present in the Internet Routing Table:               13046
      Origin-only ASes present in the Internet Routing Table:         11316
      Origin ASes announcing only one prefix:                          4953
      Transit ASes present in the Internet Routing Table:              1730
      Transit-only ASes present in the Internet Routing Table:           48
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    17
      Illegal AS announcements present in the Routing Table:              2
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    43
      Number of addresses announced to Internet:                 1189483964
          Equivalent to 70 /8s, 230 /16s and 21 /24s
          Percentage of available address space announced:             32.1
          Percentage of allocated address space announced:             59.8
          Percentage of available address space allocated:             53.7
      Total number of prefixes smaller than registry allocations:     45114
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18181
          Total APNIC prefixes after maximum aggregation:             10943
      Prefixes being announced from the APNIC address blocks:         16673
          Unique aggregates announced from the APNIC address blocks:  10306
      APNIC Region origin ASes present in the Internet Routing Table:  1503
      APNIC Region origin ASes announcing only one prefix:              489
      APNIC Region transit ASes present in the Internet Routing Table:  268
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       17
      Number of APNIC addresses announced to Internet:             84549184
          Equivalent to 5 /8s, 10 /16s and 30 /24s
          Percentage of available APNIC address space announced:       62.5
      
      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:                   74966
          Total ARIN prefixes after maximum aggregation:              47733
      Prefixes being announced from the ARIN address blocks:          53166
          Unique aggregates announced from the ARIN address blocks:   16720
      ARIN Region origin ASes present in the Internet Routing Table:   7708
      ARIN Region origin ASes announcing only one prefix:              2427
      ARIN Region transit ASes present in the Internet Routing Table:   753
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             191671748
          Equivalent to 11 /8s, 108 /16s and 173 /24s
          Percentage of available ARIN address space announced:        71.4
      
      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 - 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:                   18812
          Total RIPE prefixes after maximum aggregation:              14344
      Prefixes being announced from the RIPE address blocks:          15478
          Unique aggregates announced from the RIPE address blocks:   10333
      RIPE Region origin ASes present in the Internet Routing Table:   3787
      RIPE Region origin ASes announcing only one prefix:              2037
      RIPE Region transit ASes present in the Internet Routing Table:   694
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        17
      Number of RIPE addresses announced to Internet:             108967600
          Equivalent to 6 /8s, 126 /16s and 182 /24s
          Percentage of available RIPE address space announced:        72.2
      
      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     1271       1210         937   Telstra Pty Ltd
       4538      477       1194          17   China Education and Research 
       2907      433       1877         370   SINET Japan
        703      408        337         327   UUNET Technologies, Inc. 
       2764      396        360         363   connect.com.au pty ltd
       7474      305        291         207   Optus Communications Pty Ltd
       4134      281       2068          95   Data Communications Bureau
       9443      275         44          63   Primus Telecommunications
      17557      275         19         111   Pakistan Telecom
       4755      265        109          75   Videsh Sanchar Nigam Ltd. Aut
       4766      222       1518         158   Korea Internet Exchange for "
       4804      167         92          66   Microplex PTY LTD
       9583      167         32           5   Satyam Infoway Ltd.,
       7539      157        235         151   TANet2, sponsored by NSC, TAI
       9768      146        386          80   Korea Telecom
       7657      129         22          89   The Internet Group Limited
      17676      123       1953          10   XTAGE CORPORATION
       4713      115        993         106   NTT Communications Corporatio
       4814      114         64           6   China Telecom (Group) - Beiji
       9800      114        186          22   CHINA UNICOM
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1040       2615         854   UUNET Technologies, Inc. 
       3301      393        908         345   TeliaNet Sweden
       5515      276        761         173   Sonera Finland Autonomous Sys
       3215      264        597         164   France Telecom / &Equant
        680      231       2149         230   DFN-IP service G-WiN
       3320      230       1947         177   Deutsche Telekom AG
       1257      209        462         206   SWIPnet Swedish IP Network
       5400      199         83          94   Concert European Core Network
        786      182       1874         182   The JANET IP Service
        719      165        289         119   LANLINK autonomous system
       8708      141         22         136   Romania Data Systems S.A.
      12302      130          9          49   MobiFon S.A.
       2856      126        786         116   BTnet UK Regional network
       8297      125         54          69   Teleglobe Autonomous System i
       3303      115        546         114   Swisscom Ltd
       3269      114        694          71   TELECOM ITALIA
       5511      103        191          91   France Telecom
        517      101        226          97   KPNQwest Germany GmbH
       2830       98        227          74   UUNET Dual-Homed customers
       2874       97         84          37   Global One Services AB
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2077       8381        1467   UUNET Technologies, Inc. 
       7018     1294       7557         942   AT&T 
       3908      865       1642         485   Supernet, Inc. 
       1239      852       3396         675   Sprint 
          1      809       8170         453   BBN Planet 
       7046      733        875         508   UUNET Technologies, Inc. 
        852      662       1148         422   Telus Advanced Communications
       4323      632        436         256   Time Warner Communications, I
        209      581       1935         321   Qwest 
       7132      570        605         138   Southwestern Bell Internet Se
        690      539         75         348   Merit Network 
       3549      517        856         322   Global Crossing 
       7843      475        355          51   Adelphia Corp. 
       7066      473        202         248   Virginia Polytechnic Institut
       2914      410       2143         397   Verio, Inc. 
        705      373        100         265   UUNET Technologies, Inc. 
       3741      344        731         236   The Internet Solution 
       2149      343        191         285   Performance Systems, Inc. 
       6197      340        245         164   BellSouth Network Solutions, 
       6347      338        370          80   SAVVIS Communications Corpora
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       477         460      China Education and Research 
       7132       570         432      Southwestern Bell Internet Se
       7843       475         424      Adelphia Corp. 
       3908       865         380      Supernet, Inc. 
       4323       632         376      Time Warner Communications, I
          1       809         356      BBN Planet 
       7018      1294         352      AT&T 
       1221      1271         334      Telstra Pty Ltd
      11371       292         286      Rhythms NetConnections 
       4151       301         285      USDA 
        209       581         260      Qwest 
       6347       338         258      SAVVIS Communications Corpora
       7029       260         245      Alltel Information Services, 
        852       662         240      Telus Advanced Communications
       4355       270         232      EarthLink, Inc. 
       7046       733         225      UUNET Technologies, Inc. 
       7066       473         225      Virginia Polytechnic Institut
       9443       275         212      Primus Telecommunications
       6517       245         211      Yipes Communications, Inc. 
       1580       214         201      HQ, 5th Signal Command 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
        112   UNALLOCATED   192.175.48.0/24       7500       A Root DNS Server in
       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     BBN Planet 
      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 
      192.31.126.0/23       1103     SURFnet BV
      192.31.128.0/21       1103     SURFnet BV
      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.
      192.83.1.0/24         5515     Sonera Finland Autonomous Sys
      192.83.2.0/24         5515     Sonera Finland Autonomous Sys
      192.83.8.0/21         5515     Sonera Finland Autonomous Sys
      192.83.14.0/24        5515     Sonera Finland Autonomous Sys
      192.83.16.0/20        5515     Sonera Finland Autonomous Sys
      192.83.25.0/24        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        /8:20       /9:7       /10:7       /11:13      /12:32      
      /13:85      /14:231     /15:404     /16:7185    /17:1433    /18:2568    
      /19:7497    /20:7067    /21:5038    /22:7728    /23:9378    /24:62499   
      /25:218     /26:190     /27:80      /28:90      /29:50      /30:96      
      /31:0       /32:43      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        702      648          1040      UUNET Technologies, Inc. 
        701      640          2077      UUNET Technologies, Inc. 
       3908      454           865      Supernet, Inc. 
        690      447           539      Merit Network 
       7066      381           473      Virginia Polytechnic Institut
       7046      359           733      UUNET Technologies, Inc. 
       7018      339          1294      AT&T 
       7843      279           475      Adelphia Corp. 
        209      269           581      Qwest 
       7029      245           260      Alltel Information Services, 
      11371      245           292      Rhythms NetConnections 
       6197      244           340      BellSouth Network Solutions, 
          1      243           809      BBN Planet 
       1239      240           852      Sprint 
       3301      236           393      TeliaNet Sweden
       6198      230           312      BellSouth Network Solutions, 
       6517      223           245      Yipes Communications, Inc. 
       3549      216           517      Global Crossing 
       1580      202           214      HQ, 5th Signal Command 
       3215      199           264      France Telecom / &Equant
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         9:1        12:502      13:10       15:2        17:7      
        20:2        24:768      25:1        32:67       38:8        40:6      
        44:1        57:13       61:200      62:198      63:2010     64:1218   
        65:1324     66:924      67:70       68:10       80:242      81:21     
       128:59      129:138     130:23      131:48      132:13      133:3      
       134:120     135:9       136:317     137:93      138:150     139:53     
       140:183     141:120     142:82      143:38      144:148     145:12     
       146:177     147:135     148:166     149:93      150:41      151:60     
       152:288     153:33      154:3       155:99      156:74      157:125    
       158:69      159:130     160:18      161:64      162:149     163:102    
       164:272     165:127     166:228     167:170     168:124     169:55     
       170:306     171:2       192:5466    193:2329    194:2109    195:805    
       196:409     198:3752    199:3215    200:2463    202:3157    203:4552   
       204:3264    205:2164    206:2570    207:2664    208:2626    209:2713   
       210:682     211:238     212:867     213:613     214:9       215:18     
       216:3014    217:453     218:20     
      
      End of report
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