[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at apnic dot net>
  • Date: Sat, 29 Jan 2005 04:06:14 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • 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 29 Jan, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              154984
          Prefixes after maximum aggregation:                           90381
          Unique aggregates announced to Internet:                      74096
      Total ASes present in the Internet Routing Table:                 18880
      Origin-only ASes present in the Internet Routing Table:           16393
      Origin ASes announcing only one prefix:                            7690
      Transit ASes present in the Internet Routing Table:                2487
      Transit-only ASes present in the Internet Routing Table:             80
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      22
      Prefixes from unregistered ASNs in the Routing Table:                 6
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             19
      Number of addresses announced to Internet:                   1370739756
          Equivalent to 81 /8s, 179 /16s and 212 /24s
          Percentage of available address space announced:               37.0
          Percentage of allocated address space announced:               58.5
          Percentage of available address space allocated:               63.2
      Total number of prefixes smaller than registry allocations:       72278
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    30715
          Total APNIC prefixes after maximum aggregation:               14875
      Prefixes being announced from the APNIC address blocks:           28751
          Unique aggregates announced from the APNIC address blocks:    14553
      APNIC Region origin ASes present in the Internet Routing Table:    2194
      APNIC Region origin ASes announcing only one prefix:                649
      APNIC Region transit ASes present in the Internet Routing Table:    326
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              172218240
          Equivalent to 10 /8s, 67 /16s and 215 /24s
          Percentage of available APNIC address space announced:         63.9
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
                             23552-24575
      APNIC Address Blocks   58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
                             220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                     86924
          Total ARIN prefixes after maximum aggregation:                52224
      Prefixes being announced from the ARIN address blocks:            66269
          Unique aggregates announced from the ARIN address blocks:     23997
      ARIN Region origin ASes present in the Internet Routing Table:     9828
      ARIN Region origin ASes announcing only one prefix:                3564
      ARIN Region transit ASes present in the Internet Routing Table:     964
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               240024576
          Equivalent to 14 /8s, 78 /16s and 124 /24s
          Percentage of available ARIN address space announced:          71.5
      
      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, 31744-33791
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     29197
          Total RIPE prefixes after maximum aggregation:                20200
      Prefixes being announced from the RIPE address blocks:            26172
          Unique aggregates announced from the RIPE address blocks:     17218
      RIPE Region origin ASes present in the Internet Routing Table:     6269
      RIPE Region origin ASes announcing only one prefix:                3332
      RIPE Region transit ASes present in the Internet Routing Table:    1067
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               187084864
          Equivalent to 11 /8s, 38 /16s and 176 /24s
          Percentage of available RIPE address space announced:          65.6
      
      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
                             30720-31743, 33792-34815
      RIPE Address Blocks    62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    6812
          Total LACNIC prefixes after maximum aggregation:               2382
      Prefixes being announced from the LACNIC address blocks:           6691
          Unique aggregates announced from the LACNIC address blocks:    4033
      LACNIC Region origin ASes present in the Internet Routing Table:    416
      LACNIC Region origin ASes announcing only one prefix:               121
      LACNIC Region transit ASes present in the Internet Routing Table:    83
      Average LACNIC Region AS path length visible:                       5.0
          Max LACNIC Region AS path length visible:                        16
      Number of LACNIC addresses announced to Internet:              17316608
          Equivalent to 1 /8s, 8 /16s and 59 /24s
          Percentage of available LACNIC address space announced:        51.6
      
      LACNIC AS Blocks       26592-26623, 27648-28671
      LACNIC Address Blocks  200/7
      
      Emerging AfriNIC Region Analysis Summary
      ----------------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1330
          Total AfriNIC prefixes after maximum aggregation:               700
      Prefixes being announced from the AfriNIC address blocks:           873
          Unique aggregates announced from the AfriNIC address blocks:    692
      AfriNIC Region origin ASes present in the Internet Routing Table:    96
      AfriNIC Region origin ASes announcing only one prefix:               24
      AfriNIC Region transit ASes present in the Internet Routing Table:   13
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2107648
          Equivalent to 0 /8s, 32 /16s and 41 /24s
          Percentage of available AfriNIC address space announced:       12.6
      
      AfriNIC AS Blocks      <none>
      AfriNIC Address Blocks 196/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4134      886       4624         173   Data Communications Bureau
       1221      785       1183         560   Telstra Pty Ltd
       4766      582       3414         279   Korea Internet Exchange for "
       9583      569         48          11   Satyam Infoway Ltd.,
       4755      460        178         101   Videsh Sanchar Nigam Ltd. Aut
      17676      393       5900          61   XTAGE CORPORATION
       9443      362         71          77   Primus Telecommunications
       2907      353       1856         326   SINET Japan
       9929      350        164          35   China Netcom Corp.
      17557      303         22         149   Pakistan Telecom
      10036      294         27         270   C&M Communication Co. Ltd.
       7545      279         86          67   TPG Internet Pty Ltd
       7474      277        296         207   Optus Communications Pty Ltd
       2764      273        254         220   connect.com.au pty ltd
        703      271        340         212   UUNET
       9800      238        383          76   CHINA UNICOM
       4808      235        172         129   CHINANET core WAN North
       9498      234         81          53   BHARTI BT INTERNET LTD.
       4802      231         28         140   Wantree Development
       7563      225         48         159   Korea Internet Infrastructure
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1457       6607         976   AT&T WorldNet Services
        721     1122      21787         314   DLA Systems Automation Center
        701     1063       8335         911   UUNET Technologies, Inc. 
       1239      926       2880         616   Sprint 
       6197      838        378         400   BellSouth Network Solutions, 
       4323      837        672         218   Time Warner Telecom
       2386      813        505         601   AT&T Data Communications Serv
      18566      766        208           6   Covad Communications 
        209      664       3404         503   Qwest 
       7015      596        212          22   AT&T Broadband 
       3356      591      10867         436   Level 3 Communications, LLC 
      20115      569        474         303   Charter Communications 
       3561      560       2370         415   Cable & Wireless USA 
        852      525       1126         399   Telus Advanced Communications
       6478      501        819          96   AT&T Worldnet Services 
       3602      492        120          94   Sprint Canada, Inc. 
      27364      460         44          19   Armstrong Cable Services 
       6198      456        488         200   BellSouth Network Solutions, 
       7132      452       8395         381   SBC Internet Services
      22773      436       1085          19   Cox Communications, Inc. Atla
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      619       2023         511   UUNET - Commercial IP service
       3320      291       2992         227   Deutsche Telekom AG
       3301      287       1112         275   TeliaNet Sweden
       8220      275        466         268   COLT Internet - International
        680      253       2041         239   DFN-IP service G-WiN
       3246      225        471         220   Song Networks
      13083      217         51           8   Mannesmann Datenverarbeitung 
       8708      210        119         191   Romania Data Systems S.A.
       1257      205        708         171   SWIPnet Swedish IP Network
       5515      187        842         135   Sonera Solution Autonomous Sy
       3215      186       1022          79   France Telecom Transpac
        786      176       1794         176   The JANET IP Service
       6746      176         47         140   Dynamic Network Technologies,
       8866      166         19          23   Bulgarian Telecommunication C
       3269      161       1392          71   TELECOM ITALIA
       3300      161        165          81   AUCS Communications Services 
        719      158        322         104   LANLINK autonomous system
       5400      141        219         124   BT Ignite European Backbone
      25186      140        122          99   France Telecom Transpac's Tra
       3303      130        577         125   Swisscom Ltd
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      357        140          69   ImpSat
       8151      335        489         142   UniNet S.A. de C.V. 
      16814      234         14           6   NSS, S.A. 
      11172      212         99          54   Servicios Alestra S.A de C.V 
       6147      189        102          20   Telefonica Del Peru 
      11664      158         19          24   Keytech SA 
       7303      149         68          22   Telecom Argentina Stet-France
       6505      133         90          90   Global One Communicaoes Ltda 
       6503      116        147          81   AVANTEL, S.A. 
      14117      114          7           5   Telefonica del Sur S.A. 
      11992      107          9          31   Integrated Systems 
      11556       97         48           3   Cable-Wireless Panama 
      13999       89         52           9   Mega Cable S.A. de C.V. 
      14420       87          6          42   ANDINATEL S.A. 
      11311       86          8          22   Sinectis S.A. 
       6535       85          7          23   Chilesat Servicios  Empresari
      10481       83         32           7   Prima S.A. 
       4270       81         18           9   Red de Interconexion Universi
       5639       81          8           8   Telecommunications Services o
      15311       78         25          37   Telefonica Empresas 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      268        636         226   The Internet Solution 
       5536      113         16           4   Internet Egypt Network
       2018      102        297          98   Tertiary Education Network 
      20928       84         16           2   Noor Advanced Technologies AS
       2905       77        272          70   The Internetworking Company o
      24835       56         34           6   RAYA Telecom - Egypt
       8452       46         20           5   TEDATA
       6713       34         38           9   Itissalat Al-MAGHRIB
       9129       33          3           2   UUNET Kenya
      12455       28          7           4   Jambonet Autonomous system
       5713       27        141          24   Telkom SA Ltd 
       8524       23          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      10798       18          1          12   Standard Bank of South Africa
      12258       18          3          12   Vodacom Internet Company 
      21280       18          2           3   Swift Global Kenya Ltd.Is an 
      15706       15          4           2   Sudatel Internet Exchange Aut
      21491       15          1           3   UTL On-line is RF broadband I
       8346       14          7          14   SONATEL-AS Autonomous System
      15808       13          1           2   Communication Solutions Ltd i
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        721      1122         808      DLA Systems Automation Center
      18566       766         760      Covad Communications 
       4134       886         713      Data Communications Bureau
       4323       837         619      Time Warner Telecom
       7015       596         574      AT&T Broadband 
       9583       569         558      Satyam Infoway Ltd.,
      27364       460         441      Armstrong Cable Services 
       6197       838         438      BellSouth Network Solutions, 
      22773       436         417      Cox Communications, Inc. Atla
       5668       431         414      Century Telephone 
       6478       501         405      AT&T Worldnet Services 
       3602       492         398      Sprint Canada, Inc. 
       4755       460         359      Videsh Sanchar Nigam Ltd. Aut
      22909       423         358      Comcast Cable Corporation 
       6467       366         335      E.Spire Communications, Inc. 
      17676       393         332      XTAGE CORPORATION
       9929       350         315      China Netcom Corp.
       1239       926         310      Sprint 
       4766       582         303      Korea Internet Exchange for "
      13609       335         300      Choice One Communications Inc
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      64513   PRIVATE       149.117.96.0/24        577       Bell Advanced Commun
      26422   UNALLOCATED   196.46.184.0/22       3741       The Internet Solutio
      65002   PRIVATE       208.179.184.0/24     11509       The Pajo Group 
      65529   PRIVATE       216.21.199.0/24      14697       VDot.Net 
      65529   PRIVATE       216.152.237.0/24     14697       VDot.Net 
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      132.0.0.0/10           721     DLA Systems Automation Center
      137.0.0.0/13           721     DLA Systems Automation Center
      158.0.0.0/13           721     DLA Systems Automation Center
      172.212.0.0/16        1668     GNN Hosting Service 
      172.213.0.0/16        1668     GNN Hosting Service 
      172.214.0.0/16        1668     GNN Hosting Service 
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.70.164.0/24      25689     National Research Council of 
      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
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T WorldNet Services
      192.136.79.0/24        719     LANLINK autonomous system
      192.172.0.0/19         721     DLA Systems Automation Center
      192.172.11.0/24        721     DLA Systems Automation Center
      192.200.100.0/24      7018     AT&T WorldNet Services
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:3       /10:7       /11:14      /12:61      
      /13:143     /14:314     /15:574     /16:8279    /17:2384    /18:4070    
      /19:10046   /20:10613   /21:8393    /22:11673   /23:12907   /24:84525   
      /25:296     /26:266     /27:128     /28:63      /29:33      /30:127     
      /31:0       /32:46      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      751           766      Covad Communications 
       6197      683           838      BellSouth Network Solutions, 
       7018      621          1457      AT&T WorldNet Services
       2386      586           813      AT&T Data Communications Serv
       7015      564           596      AT&T Broadband 
      27364      445           460      Armstrong Cable Services 
       4766      398           582      Korea Internet Exchange for "
       9583      398           569      Satyam Infoway Ltd.,
        702      377           619      UUNET - Commercial IP service
       5668      371           431      Century Telephone 
       1239      367           926      Sprint 
       6198      328           456      BellSouth Network Solutions, 
      10036      294           294      C&M Communication Co. Ltd.
      13609      292           335      Choice One Communications Inc
       4323      282           837      Time Warner Telecom
       6517      281           303      Yipes Communications, Inc. 
       6467      277           366      E.Spire Communications, Inc. 
       9929      275           350      China Netcom Corp.
        701      263          1063      UUNET Technologies, Inc. 
      11456      263           308      Carolina Online, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:9        12:1487     13:1        15:6        16:2      
        17:3        18:4        20:4        24:1006     32:68       33:3      
        38:90       40:55       44:3        47:2        52:3        55:2      
        56:3        57:22       59:2        60:12       61:632      62:511    
        63:1836     64:2561     65:2098     66:2587     67:484      68:495    
        69:892      70:54       71:2        72:47       80:557      81:501    
        82:362      83:232      84:101      85:81      128:126     129:167    
       130:89      131:194     132:37      134:144     135:30      136:208    
       137:76      138:181     139:47      140:191     141:102     142:139    
       143:121     144:248     145:45      146:281     147:97      148:262    
       149:161     150:94      151:62      152:111     153:71      154:2      
       155:136     156:70      157:75      158:149     159:163     160:67     
       161:61      162:413     163:84      164:212     165:157     166:127    
       167:223     168:382     169:131     170:316     171:8       192:5646   
       193:3072    194:2252    195:1574    196:602     198:3850    199:3229   
       200:3941    201:43      202:5205    203:5887    204:3596    205:2009   
       206:2315    207:2648    208:2104    209:3060    210:1555    211:767    
       212:1146    213:1270    214:239     215:31      216:3703    217:1088   
       218:187     219:125     220:341     221:79      222:77     
      
      End of report