[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, 30 Jul 2005 04:06:15 +1000 (EST)
  • Cc:
  • List-archive: <http://www.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • 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 30 Jul, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              167568
          Prefixes after maximum aggregation:                           96522
          Unique aggregates announced to Internet:                      81002
      Total ASes present in the Internet Routing Table:                 20174
      Origin-only ASes present in the Internet Routing Table:           17598
      Origin ASes announcing only one prefix:                            8279
      Transit ASes present in the Internet Routing Table:                2576
      Transit-only ASes present in the Internet Routing Table:             71
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      26
      Prefixes from unregistered ASNs in the Routing Table:                 9
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             15
      Number of addresses announced to Internet:                   1399249941
          Equivalent to 83 /8s, 102 /16s and 220 /24s
          Percentage of available address space announced:               37.8
          Percentage of allocated address space announced:               56.8
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       79457
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    34690
          Total APNIC prefixes after maximum aggregation:               15868
      Prefixes being announced from the APNIC address blocks:           32540
          Unique aggregates announced from the APNIC address blocks:    16299
      APNIC Region origin ASes present in the Internet Routing Table:    2317
      APNIC Region origin ASes announcing only one prefix:                679
      APNIC Region transit ASes present in the Internet Routing Table:    346
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              192265344
          Equivalent to 11 /8s, 117 /16s and 188 /24s
          Percentage of available APNIC address space announced:         71.3
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911
      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:                     89792
          Total ARIN prefixes after maximum aggregation:                54675
      Prefixes being announced from the ARIN address blocks:            70232
          Unique aggregates announced from the ARIN address blocks:     25888
      ARIN Region origin ASes present in the Internet Routing Table:    10109
      ARIN Region origin ASes announcing only one prefix:                3720
      ARIN Region transit ASes present in the Internet Routing Table:     940
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               254978581
          Equivalent to 15 /8s, 50 /16s and 170 /24s
          Percentage of available ARIN address space announced:          63.3
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  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, 29696-30719, 31744-33791
                             35840-36863
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
                             198/7, 204/6, 208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     32277
          Total RIPE prefixes after maximum aggregation:                22045
      Prefixes being announced from the RIPE address blocks:            29251
          Unique aggregates announced from the RIPE address blocks:     19668
      RIPE Region origin ASes present in the Internet Routing Table:     6925
      RIPE Region origin ASes announcing only one prefix:                3652
      RIPE Region transit ASes present in the Internet Routing Table:    1128
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               212855424
          Equivalent to 12 /8s, 175 /16s and 234 /24s
          Percentage of available RIPE address space announced:          63.4
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839
      RIPE Address Blocks    62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    9153
          Total LACNIC prefixes after maximum aggregation:               3150
      Prefixes being announced from the LACNIC address blocks:           7531
          Unique aggregates announced from the LACNIC address blocks:    4392
      LACNIC Region origin ASes present in the Internet Routing Table:    626
      LACNIC Region origin ASes announcing only one prefix:               192
      LACNIC Region transit ASes present in the Internet Routing Table:   115
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        23
      Number of LACNIC addresses announced to Internet:              20630016
          Equivalent to 1 /8s, 58 /16s and 202 /24s
          Percentage of available LACNIC address space announced:        30.7
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1641
          Total AfriNIC prefixes after maximum aggregation:               784
      Prefixes being announced from the AfriNIC address blocks:          1011
          Unique aggregates announced from the AfriNIC address blocks:    779
      AfriNIC Region origin ASes present in the Internet Routing Table:   131
      AfriNIC Region origin ASes announcing only one prefix:               36
      AfriNIC Region transit ASes present in the Internet Routing Table:   16
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2340096
          Equivalent to 0 /8s, 35 /16s and 181 /24s
          Percentage of available AfriNIC address space announced:        7.0
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks 41/8, 196/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4134      954       5523         193   CHINANET-BACKBONE
       1221      769       1457         534   Telstra Pty Ltd
       9583      769         77          14   Sify Limited
       4755      662        248         144   Videsh Sanchar Nigam Ltd. Aut
       4766      590       3412         278   Korea Telecom (KIX)
       7545      513        108          73   TPG Internet Pty Ltd
      17676      463       6707          98   Softbank BB Corp.
       9443      382         82          77   Primus Telecommunications
       9929      343        224          46   China Netcom Corp.
       2907      337       1789         314   SINET Japan
       9498      333         83          61   BHARTI BT INTERNET LTD.
       7474      317        273         219   SingTel Optus Pty Ltd
       4802      297         53         164   Wantree Development
      17557      296         23         153   Pakistan Telecom
      18302      292        109         158   SK Global co., Ltd
       4808      290        245         168   CNCGROUP IP network: China169
       9837      278         79         181   Powertel Ltd
      17974      270         65          14   PT TELEKOMUNIKASI INDONESIA
      17488      267         16           8   Hathway IP Over Cable Interne
        703      250        262         206   UUNET - Commercial IP service
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1492       6417         964   AT&T WorldNet Services
       4323     1138        688         222   Time Warner Telecom
        174     1125       5823        1042   Cogent Communications
        721     1085      21779         311   DLA Systems Automation Center
        701     1021       8172         864   UUNET Technologies, Inc. 
       6197      939        522         433   BellSouth Network Solutions, 
       2386      895        529         658   AT&T Data Communications Serv
       1239      872       2879         630   Sprint 
      18566      833        224           7   Covad Communications 
      20115      651        499         321   Charter Communications 
        209      623       3471         492   Qwest 
       3356      563      10765         431   Level 3 Communications, LLC 
      27364      554         44          18   Armstrong Cable Services 
       3602      538        123         104   Sprint Canada, Inc. 
       3561      535       2384         421   Savvis
       7725      510         64          16   MediaOne 
      22773      502       1188          23   Cox Communications, Inc.
       5668      499        115          23   CenturyTel Internet Holdings,
       6198      468        396         225   BellSouth Network Solutions, 
        852      466       1093         385   Telus Advanced Communications
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      592       1995         483   UUNET - Commercial IP service
       3301      300       1081         286   TeliaNet Sweden
       3320      292       3232         241   Deutsche Telekom AG
       8220      266        473         262   COLT Telecommunications
        680      245       2041         241   DFN-IP service G-WiN
       3246      230        469         223   Song Networks
       8708      225        253         211   Romania Data Systems S.A.
       1257      196        712         174   SWIPnet Swedish IP Network
       5515      181        778         127   Sonera Solution Autonomous Sy
        786      175       1794         175   The JANET IP Service
       6746      175         49         153   Dynamic Network Technologies,
       5400      174        287         147   BT Ignite European Backbone
       3269      169       1520          72   TELECOM ITALIA
        719      168        340         100   LANLINK autonomous system
       8866      167         21          11   Bulgarian Telecommunication C
       3300      156        184          89   AUCS Communications Services 
       9121      154        273          34   TTnet Autonomous System
       6830      148        537          31   UPC Distribution Services
      25186      142        145          99   France Telecom Transpac's Tra
       1273      136        174          96   Cable & Wireless Deutschland 
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      380        599         160   UniNet S.A. de C.V. 
      16814      265         16           7   NSS, S.A. 
      11172      236         99          60   Servicios Alestra S.A de C.V 
       6147      192        110          21   Telefonica Del Peru 
      11664      181         20          23   Keytech SA 
      14117      152          9           5   Telefonica del Sur S.A. 
       7303      144         69          18   Telecom Argentina Stet-France
      22047      143        112           7   VTR PUNTO NET S.A. 
      19632      142         14           5   Metropolis Intercom S.A. 
      11556      131         64           3   Cable-Wireless Panama 
       6505      130         90          87   Global One Communicaoes Ltda 
      19169      116          7          22   Telconet 
       6503      114        148          75   AVANTEL, S.A. 
      13999      110         52           9   Mega Cable S.A. de C.V. 
      18822      110          7          14   TELEFONICA MANQUEHUE 
      10481      101         40           7   Prima S.A. 
      21826      101         13          18   INTERCABLE 
       5639       96         12           9   Telecommunications Services o
      22927       96         73          25   TELEFONICA DE ARGENTINA 
      23216       89         24          16   RAMtelecom Telecomunicaciones
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      264        621         221   The Internet Solution 
       5536      120         15          17   Internet Egypt Network
       2018       98        295          89   Tertiary Education Network 
       8452       96         28           6   TEDATA
       2905       76        266          68   The Internetworking Company o
      24835       57         34           6   RAYA Telecom - Egypt
      20928       56         16           2   Noor Advanced Technologies AS
       6713       51         54           8   Itissalat Al-MAGHRIB
      15475       49         84           4   Nile Online
       9129       42          3           3   UUNET Kenya
       5713       36        142          29   Telkom SA Ltd 
      12455       36          6           3   Jambonet Autonomous system
      15706       31          8           3   Sudatel Internet Exchange Aut
       8524       23          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      23889       20          5           9   MAURITIUS TELECOM
      10798       19          1          11   Standard Bank of South Africa
      12258       17          3          11   Vodacom Internet Company 
      15808       17          2           2   Communication Solutions Ltd i
      21491       17          1           1   UTL On-line is RF broadband I
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1138         916      Time Warner Telecom
      18566       833         826      Covad Communications 
        721      1085         774      DLA Systems Automation Center
       4134       954         761      CHINANET-BACKBONE
       9583       769         755      Sify Limited
      27364       554         536      Armstrong Cable Services 
       4755       662         518      Videsh Sanchar Nigam Ltd. Aut
       6197       939         506      BellSouth Network Solutions, 
       7725       510         494      MediaOne 
      22773       502         479      Cox Communications, Inc.
       5668       499         476      CenturyTel Internet Holdings,
       7545       513         440      TPG Internet Pty Ltd
       3602       538         434      Sprint Canada, Inc. 
      17676       463         365      Softbank BB Corp.
       6467       431         358      E.Spire Communications, Inc. 
      20115       651         330      Charter Communications 
      19262       433         319      Verizon Global Networks 
       4766       590         312      Korea Telecom (KIX)
       9443       382         305      Primus Telecommunications
       6140       401         299      ImpSat
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      65050   PRIVATE       168.96.148.0/24       6140       ImpSat
      65507   PRIVATE       200.0.64.0/24        27750       Cooperación Latino A
      65142   PRIVATE       200.32.76.0/24        6140       ImpSat
      65142   PRIVATE       200.32.77.0/24        6140       ImpSat
      64512   PRIVATE       200.61.48.0/20       11664       Keytech SA 
      64512   PRIVATE       200.61.58.0/23       11664       Keytech SA 
      64512   PRIVATE       200.80.148.0/23      11664       Keytech SA 
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      50.160.0.0/13         1221     Telstra Pty Ltd
      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
      172.32.0.0/24         7011     Citizens Utilities 
      192.43.230.0/24       7575     Australian Academic and Rease
      192.44.0.0/24         5501     Fraunhofer Gesellschaft
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.70.164.0/24      25689     National Research Council of 
      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
      192.169.0.0/23        3970     RGnet, Inc. 
      192.172.0.0/19         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        /8:17       /9:3       /10:8       /11:15      /12:75      
      /13:167     /14:317     /15:607     /16:8474    /17:2665    /18:4538    
      /19:10539   /20:11515   /21:9531    /22:13041   /23:13913   /24:91131   
      /25:351     /26:297     /27:178     /28:50      /29:26      /30:75      
      /31:0       /32:35      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      817           833      Covad Communications 
       6197      765           939      BellSouth Network Solutions, 
       7018      703          1492      AT&T WorldNet Services
       2386      606           895      AT&T Data Communications Serv
       9583      586           769      Sify Limited
      27364      545           554      Armstrong Cable Services 
       4323      539          1138      Time Warner Telecom
       7725      480           510      MediaOne 
       4766      408           590      Korea Telecom (KIX)
       5668      403           499      CenturyTel Internet Holdings,
        702      365           592      UUNET - Commercial IP service
       1239      360           872      Sprint 
      19916      354           361      OLM LLC 
       6198      343           468      BellSouth Network Solutions, 
       7011      327           378      Citizens Utilities 
       6517      295           317      Yipes Communications, Inc. 
      15270      292           316      PaeTec.net -a division of Pae
       6467      287           431      E.Spire Communications, Inc. 
      20115      283           651      Charter Communications 
      18302      277           292      SK Global co., Ltd
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:6         8:22        9:1        12:1560     13:1        15:9      
        16:2        17:3        18:3        20:4        24:1178     30:2      
        32:70       33:2        38:140      40:55       44:4        47:2      
        52:4        55:2        56:3        57:23       58:140      59:59     
        60:67       61:746      62:634      63:1882     64:2802     65:2066   
        66:2929     67:645      68:557      69:1115     70:151      71:10     
        72:276      80:579      81:572      82:437      83:299      84:225    
        85:304      86:67       87:18      128:161     129:168     130:88     
       131:293     132:38      133:1       134:146     135:42      136:138    
       137:73      138:163     139:61      140:306     141:105     142:147    
       143:141     144:203     145:34      146:291     147:109     148:288    
       149:175     150:107     151:65      152:108     153:88      154:5      
       155:140     156:79      157:99      158:165     159:167     160:81     
       161:70      162:218     163:94      164:192     165:189     166:156    
       167:241     168:438     169:143     170:324     171:8       172:1      
       190:1       192:5736    193:3231    194:2429    195:1606    196:660    
       198:3883    199:3295    200:4106    201:226     202:5934    203:6372   
       204:3802    205:2026    206:2452    207:2811    208:2046    209:3344   
       210:1628    211:742     212:1243    213:1330    214:275     215:31     
       216:3619    217:1126    218:213     219:160     220:403     221:252    
       222:124    
      
      End of report