[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 Analysis <cscora at dev dot apnic dot net>
  • Date: Fri, 25 May 2001 04:08:32 +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   25 May, 2001
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            107404
      Origin ASes present in the Internet Routing Table:              10929
      Origin ASes announcing only one prefix:                          3984
      Transit ASes present in the Internet Routing Table:              1455
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    16
      Illegal AS announcements present in the Routing Table:             12
      Non-routable prefixes present in the Routing Table:                 1
      Prefixes being announced from the IANA Reserved Address blocks:     1
      Number of addresses announced to Internet:                 1233069767
          Equivalent to 73 /8s, 127 /16s and 38 /24s
          Percentage of available address space announced:             33.3
          Percentage of allocated address space announced:             64.1
          Percentage of available address space allocated:             51.9
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  16033
      Prefixes being announced from the APNIC address blocks:         14563
      APNIC Region origin ASes present in the Internet Routing Table:  1254
      APNIC Region origin ASes announcing only one prefix:              440
      APNIC Region transit ASes present in the Internet Routing Table:  207
      Average APNIC Region AS path length visible:                      5.1
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             72564802
          Equivalent to 4 /8s, 83 /16s and 64 /24s
          Percentage of available APNIC address space announced:       71.3
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
      APNIC Address Blocks   61/8, 202/7, 210/7 and 218/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   74761
      Prefixes being announced from the ARIN address blocks:          51334
      ARIN Region origin ASes present in the Internet Routing Table:   6654
      ARIN Region origin ASes announcing only one prefix:              1974
      ARIN Region transit ASes present in the Internet Routing Table:   695
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        12
      Number of ARIN addresses announced to Internet:             185144122
          Equivalent to 11 /8s, 9 /16s and 19 /24s
          Percentage of available ARIN address space announced:        84.9
      
      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 - 22527
      ARIN Address Blocks    63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   16598
      Prefixes being announced from the RIPE address blocks:          12969
      RIPE Region origin ASes present in the Internet Routing Table:   3018
      RIPE Region origin ASes announcing only one prefix:              1564
      RIPE Region transit ASes present in the Internet Routing Table:   551
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        16
      Number of RIPE addresses announced to Internet:              98700450
          Equivalent to 5 /8s, 226 /16s and 12 /24s
          Percentage of available RIPE address space announced:        65.4
      
      RIPE AS Blocks         1877 - 1901, 2042, 2047, 2107 - 2136, 2585 - 2614
                             2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
                             6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
                             20480 - 21503
      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  /19 equiv  Description
       1221     1739        665       Telstra
       2764      899        175       connect.com.au pty ltd
       2907      365        884       SINET Japan
        703      347        204       UUNET Technologies, Inc.
       4755      340        110       VSNL India
       4538      247       1049       China Education and Research 
       7539      206         91       TANet2, sponsored by NSC, TAI
       4134      198        638       Data Communications Bureau
       7474      192         86       Optus Communications
       4740      185         12       Ozemail
       4766      176        635       KORnet Powered BY Korea Telec
       7657      162         13       The Internet Group Limited
       7545      153         11       TPG Internet Pty Ltd
       1237      152         70       System Engineering Research I
      17561      151         68       Internet service provision to
       9443      126         24       INTERNETPRIMUS-AS-A
       4786      125          7       NetConnect Communications Pty
       9394      125         18       CHINA RAILWAY TELECOMMUNICATI
       7617      119         46       One.Net Pty Ltd
       7586      116          5       Paradox Digital Pty. Ltd
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /19 equiv  Description
        702      625        852       UUNET Technologies, Inc.
      15870      447          4       Global Center Frankfurt
       3301      392        401       TeliaNet Sweden
       1257      278        251       Swipnet AB
       1270      262        440       UUNET Germany
        680      227       1011       Deutschef Forschurgsnetz
       3215      217        235       RAIN
        719      186        146       LANLINK
        786      186        952       JANET IP Service
       5515      175        319       Sonera Finland
       3320      163        709       Deutsche Telekom AG
       5400      132         34       Concert Internet Plus Europea
        517      128        136       Xlink
       8708      126          7       Romania Data System
       2856      117        388       BTnet UK Regional network
       3303      116        279       Swisscom
       1267      100        978       IUnet S.p.A
       1290       98        203       PSINet UK Ltd.
       1901       92         77       EUnet Austria
       8342       88         44       Rostelecom Internet Center's 
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /19 equiv  Description
        701     2398       3758       UUNET Technologies, Inc.
       7018     1853       3372       AT&T
        705     1244         57       UUNET Technologies, Inc.
          1      923       4458       BBN Planet
       7046      796        564       UUNET Technologies, Inc.
       3491      675        196       CAIS Internet
       1239      656       1612       Sprint ICM-Inria
       2914      587       1174       Verio, Inc.
       3561      542       1216       Cable & Wireless USA
       4293      497         51       Cable & Wireless USA
      18994      474          5       Global Crossing 
        690      463         39       Merit Network
        209      462        914       Qwest
       2548      406        498       Digital Express Group, Inc.
       3908      390        265       Supernet, Inc.
        174      349       2597       PSINet Inc.
       3549      345        524       Global Crossing
       4323      340        140       Time Warner Communications, I
      11371      337         50       Rhythms NetConnections
       5106      336         67       Ameritech Advanced Data Servi
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /19 equiv  Description
        701     2398       3758       UUNET Technologies, Inc.
       7018     1853       3372       AT&T
       1221     1739        665       Telstra
        705     1244         57       UUNET Technologies, Inc.
          1      923       4458       BBN Planet
       2764      899        175       connect.com.au pty ltd
       7046      796        564       UUNET Technologies, Inc.
       3491      675        196       CAIS Internet
       1239      656       1612       Sprint ICM-Inria
        702      625        852       UUNET Technologies, Inc.
       2914      587       1174       Verio, Inc.
       3561      542       1216       Cable & Wireless USA
       4293      497         51       Cable & Wireless USA
      18994      474          5       Global Crossing 
        690      463         39       Merit Network
        209      462        914       Qwest
      15870      447          4       Global Center Frankfurt
       2548      406        498       Digital Express Group, Inc.
       3301      392        401       TeliaNet Sweden
       3908      390        265       Supernet, Inc.
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      60002   RESERVED      64.76.148.0/24       19583       IMPSAT CHILE S.A. 
       2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp.
       1877   UNALLOCATED   192.108.196.0/24      1800       SPRINT
       1877   UNALLOCATED   192.108.209.0/24      1880       Stupi, house man's 
       1877   UNALLOCATED   192.108.210.0/24      1880       Stupi, house man's 
       1877   UNALLOCATED   192.108.214.0/24      1800       SPRINT
       5757   UNALLOCATED   192.239.13.0/24        701       UUNET Technologies, 
       9242   UNALLOCATED   202.3.6.0/23          4515       Star Internet Servic
      17441   UNALLOCATED   203.131.192.0/24      6347       SAVVIS Communication
      65502   PRIVATE       203.166.83.0/24      10084       Western Australian I
      65500   PRIVATE       203.166.86.0/24      10084       Western Australian I
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      172.16.0.1/32          703     UUNET Technologies, Inc.
      
      Advertised IANA Reserved Addresses
      ----------------------------------
      
      Network            Origin AS  Description
      201.115.100.0/24      7018     AT&T
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:20       /9:5       /10:6       /11:9       /12:31      
      /13:75      /14:206     /15:342     /16:6933    /17:1163    /18:2163    
      /19:6670    /20:5262    /21:4550    /22:6863    /23:8791    /24:61903   
      /25:263     /26:456     /27:459     /28:473     /29:389     /30:318     
      /31:1       /32:53      
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         9:3        12:726      13:10       15:1        17:2        24:699    
        26:1        32:125      38:573      44:3        47:1        53:2      
        55:1        57:13       61:34       62:137      63:1975     64:1692   
        65:708      66:330     128:37      129:110     130:23      131:39     
       132:9       133:1       134:169     135:12      136:16      137:122    
       138:243     139:46      140:135     141:157     142:69      143:41     
       144:140     145:9       146:140     147:135     148:96      149:120    
       150:35      151:298     152:585     153:32      154:20      155:82     
       156:48      157:103     158:178     159:78      160:27      161:53     
       162:68      163:138     164:90      165:123     166:185     167:139    
       168:90      169:35      170:258     171:4       192:5433    193:1866   
       194:2041    195:743     196:401     198:3683    199:3401    200:2122   
       201:1       202:2457    203:4975    204:3365    205:2254    206:2836   
       207:2993    208:3033    209:3216    210:756     211:177     212:866    
       213:407     214:9       215:11      216:3038    217:245    
      
      End of report
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