[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, 18 Oct 2002 20:05:13 +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 18 Oct, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            116117
          Prefixes after maximum aggregation:                         74648
          Unique aggregates announced to Internet:                    55576
      Total ASes present in the Internet Routing Table:               13917
      Origin-only ASes present in the Internet Routing Table:         12060
      Origin ASes announcing only one prefix:                          5396
      Transit ASes present in the Internet Routing Table:              1857
      Transit-only ASes present in the Internet Routing Table:           60
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    20
      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:                 1176988512
          Equivalent to 70 /8s, 39 /16s and 107 /24s
          Percentage of available address space announced:             31.8
          Percentage of allocated address space announced:             58.2
          Percentage of available address space allocated:             54.6
      Total number of prefixes smaller than registry allocations:     48263
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18960
          Total APNIC prefixes after maximum aggregation:             11438
      Prefixes being announced from the APNIC address blocks:         17458
          Unique aggregates announced from the APNIC address blocks:  11051
      APNIC Region origin ASes present in the Internet Routing Table:  1623
      APNIC Region origin ASes announcing only one prefix:              522
      APNIC Region transit ASes present in the Internet Routing Table:  274
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       14
      Number of APNIC addresses announced to Internet:             99347616
          Equivalent to 5 /8s, 235 /16s and 236 /24s
          Percentage of available APNIC address space announced:       65.3
      
      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 220/7
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   72639
          Total ARIN prefixes after maximum aggregation:              46261
      Prefixes being announced from the ARIN address blocks:          51036
          Unique aggregates announced from the ARIN address blocks:   15384
      ARIN Region origin ASes present in the Internet Routing Table:   7831
      ARIN Region origin ASes announcing only one prefix:              2585
      ARIN Region transit ASes present in the Internet Routing Table:   748
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        14
      Number of ARIN addresses announced to Internet:             181394040
          Equivalent to 10 /8s, 207 /16s and 218 /24s
          Percentage of available ARIN address space announced:        67.6
      
      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 - 26591, 26624 - 27647
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
                             and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   19733
          Total RIPE prefixes after maximum aggregation:              14890
      Prefixes being announced from the RIPE address blocks:          16420
          Unique aggregates announced from the RIPE address blocks:   10966
      RIPE Region origin ASes present in the Internet Routing Table:   4088
      RIPE Region origin ASes announcing only one prefix:              2210
      RIPE Region transit ASes present in the Internet Routing Table:   756
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        20
      Number of RIPE addresses announced to Internet:             116133696
          Equivalent to 6 /8s, 236 /16s and 15 /24s
          Percentage of available RIPE address space announced:        76.9
      
      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
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                  4783
          Total LACNIC prefixes after maximum aggregation:             2059
      Prefixes being announced from the LACNIC address blocks:         4120
          Unique aggregates announced from the LACNIC address blocks:  2640
      LACNIC Region origin ASes present in the Internet Routing Table:  316
      LACNIC Region origin ASes announcing only one prefix:              79
      LACNIC Region transit ASes present in the Internet Routing Table:  68
      Average LACNIC Region AS path length visible:                     5.9
          Max LACNIC Region AS path length visible:                      17
      Number of LACNIC addresses announced to Internet:            11472896
          Equivalent to 0 /8s, 175 /16s and 16 /24s
          Percentage of available LACNIC address space announced:      68.4
      
      LACNIC AS Blocks       26592 - 26623
      LACNIC Address Blocks  200/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221     1192       1185         870   Telstra Pty Ltd
        703      399        368         315   UUNET
       2907      350       1751         330   SINET Japan
       2764      339        356         311   connect.com.au pty ltd
      17557      304         22         118   Pakistan Telecom
       7474      299        275         202   Optus Communications Pty Ltd
       4134      297       2286          97   Data Communications Bureau
       4755      282        139          75   Videsh Sanchar Nigam Ltd. Aut
       4766      249       1808         157   Korea Internet Exchange for "
       4814      229         79          15   China Telecom (Group)
      17676      224       3506          31   XTAGE CORPORATION
       9443      184         57          71   Primus Telecommunications
       9583      162         32           5   Satyam Infoway Ltd.,
       4515      136        102          77   Star Internet Services Ltd.
       9768      134        385          73   Korea Telecom
       7657      129         23          86   The Internet Group Limited
       4716      128        736         122   TTnet
       9800      122        188          24   CHINA UNICOM
       4739      117         56         108   Commerical Internet eXchange 
       4713      115       1049         104   NTT Communications Corporatio
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1789       9190        1275   UUNET Technologies, Inc. 
       7018     1348       7174         938   AT&T 
       3908     1073       1651         507   Supernet, Inc. 
       1239      882       3187         661   Sprint 
       7843      757        373         305   Adelphia Corp. 
        852      737       1145         457   Telus Advanced Communications
          1      657       8042         433   GENUITY 
       7132      591        673          68   Southwestern Bell Internet Se
       7046      580        894         299   UUNET Technologies, Inc. 
        209      572       2065         335   Qwest 
       4323      518        439         164   Time Warner Communications, I
        690      517         75         324   Merit Network 
        705      444        135         205   UUNET Technologies, Inc. 
       2548      426       1117         266   Business Internet, Inc. 
       3549      405        725         291   Global Crossing 
       6197      395        601          40   BellSouth Network Solutions, 
       6198      395        180         195   BellSouth Network Solutions, 
       4355      385        306         109   EarthLink, Inc. 
       2914      369       2020         358   Verio, Inc. 
      15290      357        214         175   AT&T Canada IES 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      869       2390         725   UUNET - Commercial IP service
       3301      380       1164         334   TeliaNet Sweden
       3215      304        788         170   France Telecom Transpac
       3320      244       1966         221   Deutsche Telekom AG
        680      238       2151         234   DFN-IP service G-WiN
       5515      212        783         176   Sonera Solution Autonomous Sy
       1257      206        414         202   SWIPnet Swedish IP Network
       5400      204         83          97   BT Ignite European Backbone
        719      192        307         131   LANLINK autonomous system
        786      176       1873         176   The JANET IP Service
       2856      169        790         131   BTnet UK Regional network
       8708      153         41         146   Romania Data Systems S.A.
       3303      142        516         141   Swisscom Ltd
       3246      122        373         115   Song Networks
      12302      122         17          29   MobiFon S.A.
       8220      113        168         104   COLT Internet - International
       3233      106         10           8   RNC - Romanian Natioanal R&D 
       3269      106        690          64   TELECOM ITALIA
       2874      103         85          39   Global One Services AB
       6830      102        222          12   UPC Distribution Services
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      247        114          58   ImpSat USA, Inc. 
       8151      200        330         109   UniNet S.A. de C.V. 
       7303      178         27          49   Telecom Argentina Stet-France
      11172      168         72          33   Servicios Alestra S.A de C.V 
       6503      154        190         108   AVANTEL, S.A. 
      16814      106          7          12   NSS, S.A. 
      13999      105         20           7   Mega Cable S.A. de C.V. 
      10620       99          6          30   TVCABLE BOGOTA 
      11340       79          2          24   Red Universitaria Nacional 
      15311       76         26          32   Telefonica Empresas 
       1916       73        409          40   Fundacao de Amparo a Pesquisa
      11992       70          7          30   Integrated Systems 
       4270       68         18          10   Red de Interconexion Universi
      15034       65          5          33   TIBA SA 
       4926       62          4          50   Telintar S.A. 
       7984       62         27          42   Global One Colombia 
       2277       61         16           3   ECUANET - CORPORACION ECUATOR
       8065       59          6          15   Empresas Publicas de Medellin
       7927       58          4          40   Global One Venezuela 
       6535       55          4          15   Chilesat Servicios  Empresari
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       3908      1073         566      Supernet, Inc. 
       7132       591         523      Southwestern Bell Internet Se
       7843       757         452      Adelphia Corp. 
       7018      1348         410      AT&T 
       6197       395         355      BellSouth Network Solutions, 
       4323       518         354      Time Warner Communications, I
       1221      1192         322      Telstra Pty Ltd
      18566       313         309      Covad Communications 
       1580       320         307      ANOSCEUR 
       7046       580         281      UUNET Technologies, Inc. 
        852       737         280      Telus Advanced Communications
       4355       385         276      EarthLink, Inc. 
       4151       292         276      USDA 
       6347       347         272      SAVVIS Communications Corpora
        705       444         239      UUNET Technologies, Inc. 
        209       572         237      Qwest 
        376       341         231      Reseau Interordinateurs Scien
          1       657         224      GENUITY 
       1239       882         221      Sprint 
       4814       229         214      China Telecom (Group)
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65021   PRIVATE       128.216.1.0/24         619       Department of Navy 
      65021   PRIVATE       128.216.4.0/24         619       Department of Navy 
       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 
      164.236.0.0/16         568     DISO-UNRRA 
      192.31.242.0/24        771     NASA Ames Research Center 
      192.44.0.0/19          702     UUNET - Commercial IP service
      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 Solution Autonomous Sy
      192.83.32.0/19        5515     Sonera Solution Autonomous Sy
      192.83.96.0/22        5515     Sonera Solution Autonomous Sy
      192.83.100.0/24       5515     Sonera Solution Autonomous Sy
      192.91.198.0/24       2568     CTS Network Services 
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T 
      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
      192.136.136.0/24      7046     UUNET Technologies, Inc. 
      192.136.136.0/22       568     DISO-UNRRA 
      192.139.62.0/24       6539     GT Group Telecom Services Cor
      192.140.0.0/16        5511     France Telecom
      192.153.136.0/21       568     DISO-UNRRA 
      192.156.0.0/19         568     DISO-UNRRA 
      192.156.164.0/24     19548     Adelphia Business Solutions 
      192.172.0.0/19         568     DISO-UNRRA 
      192.208.29.0/24       3908     Supernet, Inc. 
      192.208.30.0/23       3908     Supernet, Inc. 
      192.243.36.0/23       2044     AUSNet, Inc. 
      
      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       /10:7       /11:12      /12:46      
      /13:90      /14:241     /15:430     /16:7281    /17:1501    /18:2732    
      /19:7875    /20:7533    /21:5332    /22:8177    /23:10025   /24:64039   
      /25:178     /26:219     /27:115     /28:79      /29:54      /30:96      
      /31:1       /32:32      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       3908      639          1073      Supernet, Inc. 
       7843      569           757      Adelphia Corp. 
        702      536           869      UUNET - Commercial IP service
        701      493          1789      UUNET Technologies, Inc. 
        690      465           517      Merit Network 
       7018      434          1348      AT&T 
       6198      311           395      BellSouth Network Solutions, 
      18566      307           313      Covad Communications 
       1580      306           320      ANOSCEUR 
       6197      279           395      BellSouth Network Solutions, 
       1239      267           882      Sprint 
       7046      266           580      UUNET Technologies, Inc. 
        209      254           572      Qwest 
       3215      229           304      France Telecom Transpac
       3301      226           380      TeliaNet Sweden
      11492      221           226      Cable One 
       4355      218           385      EarthLink, Inc. 
       7066      205           307      Virginia Polytechnic Institut
       3320      186           244      Deutsche Telekom AG
       5400      184           204      BT Ignite European Backbone
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:5        12:563      13:10       15:4        17:7        20:4      
        24:862      25:1        32:42       38:27       40:10       44:1      
        55:1        57:14       61:360      62:244      63:1899     64:1282   
        65:1598     66:1195     67:116      68:183      69:17       80:301    
        81:61      128:128     129:117     130:19      131:62      132:9      
       133:2       134:131     135:7       136:512     137:106     138:203    
       139:71      140:168     141:77      142:69      143:44      144:151    
       145:18      146:232     147:224     148:253     149:78      150:41     
       151:94      152:295     153:38      154:8       155:104     156:103    
       157:105     158:71      159:145     160:20      161:75      162:123    
       163:84      164:82      165:128     166:104     167:289     168:305    
       169:61      170:202     171:6       192:5382    193:2364    194:2009   
       195:820     196:435     198:3624    199:3077    200:2523    202:3483   
       203:4837    204:3293    205:2108    206:2386    207:2497    208:2574   
       209:2568    210:601     211:276     212:877     213:791     214:9      
       215:19      216:2959    217:504     218:49      219:3      
      
      End of report
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