[apops] Weekly Routing Table Report

  • To: apops at apops 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: Sat, 20 Sep 2003 04:07:45 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 20 Sep, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            127707
          Prefixes after maximum aggregation:                         80037
          Unique aggregates announced to Internet:                    61677
      Total ASes present in the Internet Routing Table:               15811
      Origin-only ASes present in the Internet Routing Table:         13714
      Origin ASes announcing only one prefix:                          6243
      Transit ASes present in the Internet Routing Table:              2097
      Transit-only ASes present in the Internet Routing Table:           71
      Average AS path length visible in the Internet Routing Table:     5.0
          Max AS path length visible:                                    26
      Illegal AS announcements present in the Routing Table:              5
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           14
      Number of addresses announced to Internet:                 1225495524
          Equivalent to 73 /8s, 11 /16s and 147 /24s
          Percentage of available address space announced:             33.1
          Percentage of allocated address space announced:             59.1
          Percentage of available address space allocated:             56.0
      Total number of prefixes smaller than registry allocations:     56883
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  22509
          Total APNIC prefixes after maximum aggregation:             12724
      Prefixes being announced from the APNIC address blocks:         20903
          Unique aggregates announced from the APNIC address blocks:  12349
      APNIC Region origin ASes present in the Internet Routing Table:  1896
      APNIC Region origin ASes announcing only one prefix:              547
      APNIC Region transit ASes present in the Internet Routing Table:  307
      Average APNIC Region AS path length visible:                      5.0
          Max APNIC Region AS path length visible:                       16
      Number of APNIC addresses announced to Internet:            121996544
          Equivalent to 7 /8s, 69 /16s and 133 /24s
          Percentage of available APNIC address space announced:       65.7
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                             17408 - 18431, 23552 - 24575
      APNIC Address Blocks   60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   77141
          Total ARIN prefixes after maximum aggregation:              48510
      Prefixes being announced from the ARIN address blocks:          55140
          Unique aggregates announced from the ARIN address blocks:   17469
      ARIN Region origin ASes present in the Internet Routing Table:   8637
      ARIN Region origin ASes announcing only one prefix:              2978
      ARIN Region transit ASes present in the Internet Routing Table:   834
      Average ARIN Region AS path length visible:                       4.8
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             197181216
          Equivalent to 11 /8s, 192 /16s and 191 /24s
          Percentage of available ARIN address space announced:        73.5
      
      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
                             25600 - 26591, 26624 - 27647, 29695 - 30719
      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:                   22641
          Total RIPE prefixes after maximum aggregation:              16510
      Prefixes being announced from the RIPE address blocks:          19169
          Unique aggregates announced from the RIPE address blocks:   12864
      RIPE Region origin ASes present in the Internet Routing Table:   4862
      RIPE Region origin ASes announcing only one prefix:              2620
      RIPE Region transit ASes present in the Internet Routing Table:   853
      Average RIPE Region AS path length visible:                       5.6
          Max RIPE Region AS path length visible:                        26
      Number of RIPE addresses announced to Internet:             136444480
          Equivalent to 8 /8s, 33 /16s and 250 /24s
          Percentage of available RIPE address space announced:        73.9
      
      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, 28672 - 29695
      RIPE Address Blocks    62/8, 80/7, 82/8, 188/8, 193/8, 194/7,
                             212/7 and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                  5414
          Total LACNIC prefixes after maximum aggregation:             2293
      Prefixes being announced from the LACNIC address blocks:         4852
          Unique aggregates announced from the LACNIC address blocks:  3155
      LACNIC Region origin ASes present in the Internet Routing Table:  345
      LACNIC Region origin ASes announcing only one prefix:              98
      LACNIC Region transit ASes present in the Internet Routing Table:  71
      Average LACNIC Region AS path length visible:                     5.3
          Max LACNIC Region AS path length visible:                      16
      Number of LACNIC addresses announced to Internet:            13285888
          Equivalent to 0 /8s, 202 /16s and 186 /24s
          Percentage of available LACNIC address space announced:      39.6
      
      LACNIC AS Blocks       26592 - 26623, 27648 - 28671
      LACNIC Address Blocks  200/7
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221      973       1109         691   Telstra Pty Ltd
       4755      412        135          75   Videsh Sanchar Nigam Ltd. Aut
       2907      374       1896         349   SINET Japan
       4134      340       2228         108   Data Communications Bureau
        703      335        371         264   UUNET
       2764      290        322         258   connect.com.au pty ltd
      17557      288         21         135   Pakistan Telecom
       7474      269        306         209   Optus Communications Pty Ltd
      17676      264       3980          26   XTAGE CORPORATION
       9583      251         38          24   Satyam Infoway Ltd.,
       4766      238       2461         173   Korea Internet Exchange for "
       3786      235        773         203   DACOM Corporation
       9800      203        332          52   CHINA UNICOM
       9498      187         20          16   BHARTI BT INTERNET LTD.
       9443      185         58          82   Primus Telecommunications
       9929      180        160          36   China Netcom Corp.
       9942      176         69         106   COMindico Australia
       4538      172       1554          21   China Education and Research 
      17642      155         40         116   RequestDSL BGP AS# for Sydney
       4837      140       1058          88   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1460       8688        1016   UUNET Technologies, Inc. 
       7018     1396       7139         973   AT&T 
       3908      921       1574         492   Supernet, Inc. 
       1239      905       3035         651   Sprint 
      18566      687        176           8   Covad Communications 
       4323      663        571         189   Time Warner Communications, I
        189      620        432         356   Genuity 
       6197      613        397         269   BellSouth Network Solutions, 
       3356      527      10676         444   Level 3 Communications, LLC 
        852      517       1123         410   Telus Advanced Communications
        209      506       2129         291   Qwest 
       6198      494        329         192   BellSouth Network Solutions, 
      20115      470        202         293   Charter Communications 
       7843      465        400         182   Adelphia Corp. 
       7066      438        205         262   Virginia Polytechnic Institut
          1      436       1048         272   GENUITY 
      10753      422         87         207   XCOM Technologies, INC. 
        705      416        185         253   UUNET Technologies, Inc. 
        690      411         59         276   Merit Network 
       4355      394        336         110   EarthLink, Inc. 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      712       2119         591   UUNET - Commercial IP service
       3301      295       1168         282   TeliaNet Sweden
       3320      270       1989         230   Deutsche Telekom AG
       8220      256        434         244   COLT Internet - International
        680      232       2054         229   DFN-IP service G-WiN
       1257      228        374         183   SWIPnet Swedish IP Network
        719      189        307         120   LANLINK autonomous system
       5515      186        779         148   Sonera Solution Autonomous Sy
       3215      183        721         106   France Telecom Transpac
       5400      183        174         134   BT Ignite European Backbone
        786      176       1857         176   The JANET IP Service
       8708      155        110         152   Romania Data Systems S.A.
       3303      142        540         137   Swisscom Ltd
      12302      126         18          33   MobiFon S.A.
       3246      125        376         123   Song Networks
       3269      119        853          65   TELECOM ITALIA
      20858      115         17           3   This AS will be used to conne
       2856      112       1293         103   BTnet UK Regional network
      25186      104        144          71   France Telecom Transpac's Tra
       3352       98        824          34   Ibernet, Internet Access Netw
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      340        103         105   ImpSat
       8151      232        350         121   UniNet S.A. de C.V. 
       7303      229         40          62   Telecom Argentina Stet-France
      11172      188         79          44   Servicios Alestra S.A de C.V 
      16814      151         10          17   NSS, S.A. 
      10620      127          8          28   TVCABLE BOGOTA 
       6503      125        205          91   AVANTEL, S.A. 
      11340      104          3          36   Red Universitaria Nacional 
      11992       88          8          37   Integrated Systems 
       6147       84         70          19   Telefonica Del Peru 
       8065       82          8          17   Empresas Publicas de Medellin
       6535       75          5          18   Chilesat Servicios  Empresari
      15311       75         14          38   Telefonica Empresas 
      11830       72         21          27   Instituto Costarricense de El
       4270       68         18           9   Red de Interconexion Universi
       7927       68          6          41   Global One Venezuela 
       7080       64          4           1   Electronica y Comunicaciones 
       1916       61        270          41   Fundacao de Amparo a Pesquisa
       7984       59         12          40   Global One Colombia 
       4926       57          4          48   Telintar S.A. 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      18566       687         679      Covad Communications 
       4323       663         474      Time Warner Communications, I
       3908       921         429      Supernet, Inc. 
       7018      1396         423      AT&T 
       6197       613         344      BellSouth Network Solutions, 
       4755       412         337      Videsh Sanchar Nigam Ltd. Aut
       6198       494         302      BellSouth Network Solutions, 
      27364       319         296      Armstrong Cable Services 
       4355       394         284      EarthLink, Inc. 
       7843       465         283      Adelphia Corp. 
       1221       973         282      Telstra Pty Ltd
      22909       299         280      Comcast Cable Corporation 
       6347       354         273      SAVVIS Communications Corpora
        189       620         264      Genuity 
       1239       905         254      Sprint 
        376       362         247      Reseau Interordinateurs Scien
      22773       268         241      Cox Communications, Inc. Atla
      25844       242         240      Skadden, Arps, Slate, Meagher
      17676       264         238      XTAGE CORPORATION
       6140       340         235      ImpSat
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      18413   UNALLOCATED   61.67.0.0/20          4747       Taiwan Telecommunica
       1877   UNALLOCATED   192.108.199.0/24      1876       Southern Methodist U
      65100   PRIVATE       210.104.28.0/25       9768       Korea Telecom
      23780   UNALLOCATED   211.15.112.0/20       2516       Kokusai Denshin Denw
      23780   UNALLOCATED   211.19.224.0/19       2516       Kokusai Denshin Denw
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      132.0.0.0/10           568     DISO-UNRRA 
      137.0.0.0/13           568     DISO-UNRRA 
      158.0.0.0/13           568     DISO-UNRRA 
      192.43.230.0/24       4738     South Australian Academic Res
      192.44.0.0/19          702     UUNET - Commercial IP service
      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
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T 
      192.136.79.0/24        719     LANLINK autonomous system
      192.153.136.0/21       568     DISO-UNRRA 
      192.172.0.0/19         568     DISO-UNRRA 
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:18       /9:4       /10:6       /11:12      /12:55      
      /13:97      /14:265     /15:474     /16:7420    /17:1753    /18:3127    
      /19:8450    /20:8782    /21:6427    /22:9432    /23:10908   /24:69862   
      /25:155     /26:201     /27:153     /28:27      /29:9       /30:49      
      /31:0       /32:21      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      681           687      Covad Communications 
       3908      582           921      Supernet, Inc. 
        189      536           620      Genuity 
       7018      501          1396      AT&T 
       6197      478           613      BellSouth Network Solutions, 
        701      439          1460      UUNET Technologies, Inc. 
        702      428           712      UUNET - Commercial IP service
      10753      390           422      XCOM Technologies, INC. 
       6198      380           494      BellSouth Network Solutions, 
        690      371           411      Merit Network 
       7066      334           438      Virginia Polytechnic Institut
      20115      316           470      Charter Communications 
       1239      314           905      Sprint 
      27364      313           319      Armstrong Cable Services 
       3356      258           527      Level 3 Communications, LLC 
      25844      242           242      Skadden, Arps, Slate, Meagher
       4355      213           394      EarthLink, Inc. 
       3320      209           270      Deutsche Telekom AG
        209      203           506      Qwest 
      14824      199           226      NewSouth Communications Corp.
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2        12:710      13:1        15:4        16:1        17:3      
        20:6        24:827      25:1        32:84       38:45       40:23     
        44:2        55:1        57:14       61:310      62:522      63:1865   
        64:1773     65:1949     66:2664     67:283      68:352      69:245    
        80:420      81:132      82:16      128:153     129:167     130:62     
       131:84      132:16      134:169     135:7       136:187     137:114    
       138:126     139:49      140:161     141:137     142:101     143:44     
       144:88      145:13      146:275     147:61      148:301     149:79     
       150:121     151:68      152:218     153:58      154:5       155:126    
       156:58      157:53      158:134     159:139     160:45      161:69     
       162:358     163:76      164:263     165:154     166:97      167:304    
       168:177     169:96      170:326     171:9       192:5279    193:2464   
       194:1979    195:1144    196:464     198:3575    199:2724    200:2967   
       202:3961    203:5253    204:2963    205:2007    206:2309    207:2485   
       208:2568    209:2691    210:907     211:362     212:950     213:933    
       214:16      215:22      216:3248    217:718     218:106     219:37     
       220:115     221:11      222:1      
      
      End of report