[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, 11 May 2001 04:05:19 +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   11 May, 2001
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            105792
      Origin ASes present in the Internet Routing Table:              10804
      Origin ASes announcing only one prefix:                          3935
      Transit ASes present in the Internet Routing Table:              1445
      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:             16
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:     1
      Number of addresses announced to Internet:                 1263460384
          Equivalent to 75 /8s, 78 /16s and 224 /24s
          Percentage of available address space announced:             34.1
          Percentage of allocated address space announced:             65.7
          Percentage of available address space allocated:             51.9
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  15441
      Prefixes being announced from the APNIC address blocks:         14012
      APNIC Region origin ASes present in the Internet Routing Table:  1249
      APNIC Region origin ASes announcing only one prefix:              445
      APNIC Region transit ASes present in the Internet Routing Table:  209
      Average APNIC Region AS path length visible:                      5.1
          Max APNIC Region AS path length visible:                       16
      Number of APNIC addresses announced to Internet:             70917987
          Equivalent to 4 /8s, 58 /16s and 31 /24s
          Percentage of available APNIC address space announced:       69.7
      
      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:                   73634
      Prefixes being announced from the ARIN address blocks:          50662
      ARIN Region origin ASes present in the Internet Routing Table:   6580
      ARIN Region origin ASes announcing only one prefix:              1970
      ARIN Region transit ASes present in the Internet Routing Table:   691
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        13
      Number of ARIN addresses announced to Internet:             183888365
          Equivalent to 10 /8s, 245 /16s and 233 /24s
          Percentage of available ARIN address space announced:        84.3
      
      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
      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:                   16701
      Prefixes being announced from the RIPE address blocks:          13038
      RIPE Region origin ASes present in the Internet Routing Table:   2972
      RIPE Region origin ASes announcing only one prefix:              1516
      RIPE Region transit ASes present in the Internet Routing Table:   544
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             114898378
          Equivalent to 6 /8s, 217 /16s and 53 /24s
          Percentage of available RIPE address space announced:        76.1
      
      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     1766        707       Telstra
       2764      430        147       connect.com.au pty ltd
        703      381        205       UUNET Technologies, Inc.
       2907      363        883       SINET Japan
       4755      328        112       VSNL India
       4538      243       1049       China Education and Research 
       7539      209         90       Delegated to TWNIC for subseq
       7657      206         14       The Internet Group Limited
       7474      193         86       Optus Communications
       4134      192        632       Data Communications Bureau
       7545      154         10       TPG Internet Pty Ltd
      17561      152         69       Internet service provision to
       1237      148         50       System Engineering Research I
       4766      147        598       KORnet Powered BY Korea Telec
       4740      140         10       Ozemail
       4786      126          7       NetConnect Communications Pty
       9443      125         23       INTERNETPRIMUS-AS-A
       7586      123          9       Paradox Digital Pty. Ltd
       9394      122         19       CHINA RAILWAY TELECOMMUNICATI
       4736      120         17       Magna Data
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /19 equiv  Description
        702      543        803       UUNET Technologies, Inc.
      15870      446          3       Global Center Frankfurt
       3301      390        401       TeliaNet Sweden
       1257      278        263       Swipnet AB
       1270      266        440       UUNET Germany
       3215      213        224       RAIN
        680      212        938       Deutschef Forschurgsnetz
       5515      193        336       Sonera Finland
        719      187        146       LANLINK
        786      185        952       JANET IP Service
       3320      162        710       Deutsche Telekom AG
        517      131        137       Xlink
       5400      129         33       Concert Internet Plus Europea
       8708      127          7       Romania Data System
       3303      122        296       Swisscom
       2856      120        396       BTnet UK Regional network
       1290      102        204       PSINet UK Ltd.
       1267      100        978       IUnet S.p.A
       1901       92         77       EUnet Austria
       1849       91         79       UUNET UK (formerly PIPEX)
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /19 equiv  Description
        701     2381       3908       UUNET Technologies, Inc.
        705     1143         54       UUNET Technologies, Inc.
       7018     1019       3283       AT&T
          1      955       4464       BBN Planet
       7046      802        565       UUNET Technologies, Inc.
       3491      694        181       CAIS Internet
       1239      635       1606       Sprint ICM-Inria
       2914      598       1185       Verio, Inc.
       3561      544       1215       Cable & Wireless USA
       3549      507        524       Global Crossing
       4293      501         52       Cable & Wireless USA
      18994      493          5       Global Crossing 
        690      463         54       Merit Network
        209      459        726       Qwest
       2548      410        506       Digital Express Group, Inc.
        174      405       2695       PSINet Inc.
       3908      384        233       Supernet, Inc.
       3602      358         73       Sprint Canada
       3967      340        228       Exodus Communication
       4323      340        136       Time Warner Communications, I
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /19 equiv  Description
        701     2381       3908       UUNET Technologies, Inc.
       1221     1766        707       Telstra
        705     1143         54       UUNET Technologies, Inc.
       7018     1019       3283       AT&T
          1      955       4464       BBN Planet
       7046      802        565       UUNET Technologies, Inc.
       3491      694        181       CAIS Internet
       1239      635       1606       Sprint ICM-Inria
       2914      598       1185       Verio, Inc.
       3561      544       1215       Cable & Wireless USA
        702      543        803       UUNET Technologies, Inc.
       3549      507        524       Global Crossing
       4293      501         52       Cable & Wireless USA
      18994      493          5       Global Crossing 
        690      463         54       Merit Network
        209      459        726       Qwest
      15870      446          3       Global Center Frankfurt
       2764      430        147       connect.com.au pty ltd
       2548      410        506       Digital Express Group, Inc.
        174      405       2695       PSINet Inc.
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      60002   RESERVED      64.76.148.0/24       19583       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, 
      60002   RESERVED      200.9.98.0/24         6429       RdC Internet
      60002   RESERVED      200.9.99.0/24         6429       RdC Internet
      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
       5555   UNALLOCATED   205.110.64.0/24        721       DLA Systems Automati
       5555   UNALLOCATED   205.110.68.0/22        721       DLA Systems Automati
       5555   UNALLOCATED   205.110.72.0/21        721       DLA Systems Automati
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      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        /8:22       /9:5       /10:6       /11:9       /12:30      
      /13:74      /14:205     /15:341     /16:6943    /17:1151    /18:2133    
      /19:6648    /20:5186    /21:4524    /22:6813    /23:8728    /24:60541   
      /25:313     /26:512     /27:432     /28:450     /29:377     /30:286     
      /31:1       /32:62      
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         9:3        12:364      13:10       15:1        17:2        24:689    
        26:1        32:12       38:593      44:3        47:1        53:2      
        55:1        57:11       61:30       62:122      63:1946     64:1613   
        65:527      66:315     128:35      129:111     130:23      131:36     
       132:9       133:1       134:169     135:11      136:16      137:121    
       138:247     139:49      140:141     141:166     142:61      143:41     
       144:136     145:9       146:136     147:135     148:96      149:123    
       150:27      151:300     152:700     153:36      154:17      155:78     
       156:43      157:107     158:172     159:76      160:27      161:56     
       162:62      163:134     164:96      165:126     166:178     167:138    
       168:79      169:34      170:264     171:2       192:5446    193:1957   
       194:2074    195:783     196:398     198:3650    199:3392    200:2020   
       201:1       202:2458    203:4810    204:3378    205:2253    206:2837   
       207:2904    208:2981    209:3138    210:503     211:155     212:873    
       213:403     214:9       215:12      216:3015    217:221    
      
      End of report
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