[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, 24 May 2002 20:05:08 +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 24 May, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            112362
          Prefixes after maximum aggregation:                         73172
          Unique aggregates announced to Internet:                    52720
      Total ASes present in the Internet Routing Table:               13122
      Origin-only ASes present in the Internet Routing Table:         11366
      Origin ASes announcing only one prefix:                          4997
      Transit ASes present in the Internet Routing Table:              1756
      Transit-only ASes present in the Internet Routing Table:           53
      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:              4
      Non-routable prefixes present in the Routing Table:                 1
      Prefixes being announced from the IANA Reserved Address blocks:    40
      Number of addresses announced to Internet:                 1180795740
          Equivalent to 70 /8s, 97 /16s and 131 /24s
          Percentage of available address space announced:             31.9
          Percentage of allocated address space announced:             59.4
          Percentage of available address space allocated:             53.7
      Total number of prefixes smaller than registry allocations:     45201
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18140
          Total APNIC prefixes after maximum aggregation:             10990
      Prefixes being announced from the APNIC address blocks:         16614
          Unique aggregates announced from the APNIC address blocks:  10372
      APNIC Region origin ASes present in the Internet Routing Table:  1514
      APNIC Region origin ASes announcing only one prefix:              500
      APNIC Region transit ASes present in the Internet Routing Table:  270
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       12
      Number of APNIC addresses announced to Internet:             84976608
          Equivalent to 5 /8s, 16 /16s and 163 /24s
          Percentage of available APNIC address space announced:       62.8
      
      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:                   75327
          Total ARIN prefixes after maximum aggregation:              47783
      Prefixes being announced from the ARIN address blocks:          53594
          Unique aggregates announced from the ARIN address blocks:   16753
      ARIN Region origin ASes present in the Internet Routing Table:   7746
      ARIN Region origin ASes announcing only one prefix:              2454
      ARIN Region transit ASes present in the Internet Routing Table:   762
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             192714436
          Equivalent to 11 /8s, 124 /16s and 150 /24s
          Percentage of available ARIN address space announced:        71.8
      
      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:                   18894
          Total RIPE prefixes after maximum aggregation:              14399
      Prefixes being announced from the RIPE address blocks:          15552
          Unique aggregates announced from the RIPE address blocks:    9789
      RIPE Region origin ASes present in the Internet Routing Table:   3810
      RIPE Region origin ASes announcing only one prefix:              2043
      RIPE Region transit ASes present in the Internet Routing Table:   708
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             115017648
          Equivalent to 6 /8s, 219 /16s and 7 /24s
          Percentage of available RIPE address space announced:        76.2
      
      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     1270       1223         912   Telstra Pty Ltd
       4538      476       1194          17   China Education and Research 
       2907      426       1845         367   SINET Japan
        703      405        338         326   UUNET Technologies, Inc. 
       2764      398        361         363   connect.com.au pty ltd
       7474      308        291         206   Optus Communications Pty Ltd
      17557      278         19         108   Pakistan Telecom
       4134      276       2076          93   Data Communications Bureau
       9443      266         44          63   Primus Telecommunications
       4755      249        109          75   Videsh Sanchar Nigam Ltd. Aut
       4766      223       1516         155   Korea Internet Exchange for "
       9583      180         32           5   Satyam Infoway Ltd.,
       4814      160         68          16   China Telecom (Group) - Beiji
       7539      153        218         147   TANet2, sponsored by NSC, TAI
       9768      146        386          76   Korea Telecom
       7657      128         22          85   The Internet Group Limited
      17676      128       1970          11   XTAGE CORPORATION
       4780      117        186          39   Digital United Inc.
       4713      115       1009         106   NTT Communications Corporatio
       9800      114        186          22   CHINA UNICOM
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1022       2610         847   UUNET Technologies, Inc. 
       3301      394        908         346   TeliaNet Sweden
       3215      264        599         164   France Telecom / &Equant
       5515      263        775         175   Sonera Finland Autonomous Sys
       3320      235       1948         181   Deutsche Telekom AG
        680      231       2149         230   DFN-IP service G-WiN
       1257      208        430         205   SWIPnet Swedish IP Network
       5400      200         83          95   Concert European Core Network
        786      182       1874         182   The JANET IP Service
        719      178        290         124   LANLINK autonomous system
       8708      148         23         140   Romania Data Systems S.A.
      12302      133          9          46   MobiFon S.A.
       2856      126        789         116   BTnet UK Regional network
       3303      116        546         115   Swisscom Ltd
       8297      116         57          65   Teleglobe Autonomous System i
       3269      115        694          71   TELECOM ITALIA
       5511      105        191          87   France Telecom
        517      100        226          96   KPNQwest Germany GmbH
       2830      100        252          76   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     1997       8914        1431   UUNET Technologies, Inc. 
       7018     1293       7572         939   AT&T 
       3908      895       1640         485   Supernet, Inc. 
       1239      828       3442         659   Sprint 
          1      805       8168         454   BBN Planet 
        852      741       1176         448   Telus Advanced Communications
       7046      680        937         460   UUNET Technologies, Inc. 
       4323      631        436         257   Time Warner Communications, I
        690      587         79         383   Merit Network 
        209      582       1970         322   Qwest 
       7132      569        606         137   Southwestern Bell Internet Se
       3549      517        854         322   Global Crossing 
       7843      510        363          61   Adelphia Corp. 
       7066      475        202         248   Virginia Polytechnic Institut
       2914      398       2108         389   Verio, Inc. 
      15290      392        300         204   AT&T Canada IES 
        705      374        100         266   UUNET Technologies, Inc. 
       3741      345        731         236   The Internet Solution 
       2149      343        191         284   Performance Systems, Inc. 
       6197      341        260         164   BellSouth Network Solutions, 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       476         459      China Education and Research 
       7843       510         449      Adelphia Corp. 
       7132       569         432      Southwestern Bell Internet Se
       3908       895         410      Supernet, Inc. 
       4323       631         374      Time Warner Communications, I
       1221      1270         358      Telstra Pty Ltd
       7018      1293         354      AT&T 
          1       805         351      BBN Planet 
        852       741         293      Telus Advanced Communications
      11371       292         286      Rhythms NetConnections 
       4151       288         272      USDA 
        209       582         260      Qwest 
       6347       337         258      SAVVIS Communications Corpora
       7029       261         246      Alltel Information Services, 
       4355       277         240      EarthLink, Inc. 
       7066       475         227      Virginia Polytechnic Institut
       7046       680         220      UUNET Technologies, Inc. 
      18566       219         215      Covad Communications 
       6198       314         209      BellSouth Network Solutions, 
       6517       243         207      Yipes Communications, Inc. 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      55555   RESERVED      136.162.254.0/24      7046       UUNET Technologies, 
      25780   UNALLOCATED   198.153.131.0/24         1       BBN Planet 
      25780   UNALLOCATED   198.153.231.0/24         1       BBN Planet 
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      192.0.2.0/24          1103     SURFnet BV
      
      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 
      154.150.0.0/16        6494     IDCI 
      158.0.0.0/13           568     DISO-UNRRA 
      164.233.0.0/16        6020     DISA NETWORK SERVICES 
      192.26.98.0/24        1239     Sprint 
      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.
      192.83.14.0/24        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       /9:6       /10:7       /11:13      /12:34      
      /13:85      /14:231     /15:408     /16:7203    /17:1431    /18:2592    
      /19:7576    /20:7155    /21:5081    /22:7761    /23:9421    /24:62582   
      /25:219     /26:186     /27:83      /28:87      /29:47      /30:92      
      /31:0       /32:42      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        702      628          1022      UUNET Technologies, Inc. 
        701      554          1997      UUNET Technologies, Inc. 
       3908      484           895      Supernet, Inc. 
        690      459           587      Merit Network 
       7066      380           475      Virginia Polytechnic Institut
       7018      337          1293      AT&T 
       7046      306           680      UUNET Technologies, Inc. 
       7843      304           510      Adelphia Corp. 
        209      268           582      Qwest 
          1      249           805      BBN Planet 
       7029      246           261      Alltel Information Services, 
       6197      245           341      BellSouth Network Solutions, 
      11371      245           292      Rhythms NetConnections 
       3301      237           394      TeliaNet Sweden
       6198      231           314      BellSouth Network Solutions, 
       6517      221           243      Yipes Communications, Inc. 
       3549      216           517      Global Crossing 
      18566      215           219      Covad Communications 
       1239      210           828      Sprint 
       1580      204           216      HQ, 5th Signal Command 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         9:1        12:513      13:10       15:2        17:6      
        20:2        24:777      25:1        32:40       38:8        40:6      
        44:1        57:13       61:226      62:200      63:1956     64:1212   
        65:1315     66:934      67:79       68:14       80:234      81:25     
       128:63      129:134     130:23      131:47      132:13      133:3      
       134:118     135:9       136:254     137:91      138:150     139:57     
       140:174     141:120     142:78      143:38      144:148     145:11     
       146:180     147:136     148:171     149:92      150:42      151:67     
       152:269     153:33      154:14      155:104     156:75      157:127    
       158:69      159:127     160:18      161:63      162:147     163:100    
       164:271     165:140     166:229     167:175     168:121     169:58     
       170:352     171:2       192:5499    193:2333    194:2102    195:804    
       196:409     198:3702    199:3232    200:2573    202:3154    203:4567   
       204:3250    205:2158    206:2579    207:2681    208:2652    209:2767   
       210:599     211:224     212:874     213:618     214:9       215:18     
       216:3001    217:466     218:20     
      
      End of report
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