[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, 5 Nov 2005 04:07:14 +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 05 Nov, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              174456
          Prefixes after maximum aggregation:                           98564
          Unique aggregates announced to Internet:                      84241
      Total ASes present in the Internet Routing Table:                 20824
      Origin-only ASes present in the Internet Routing Table:           18114
      Origin ASes announcing only one prefix:                            8589
      Transit ASes present in the Internet Routing Table:                2710
      Transit-only ASes present in the Internet Routing Table:             75
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      21
      Prefixes from unregistered ASNs in the Routing Table:                 3
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1456349792
          Equivalent to 86 /8s, 206 /16s and 34 /24s
          Percentage of available address space announced:               39.3
          Percentage of allocated address space announced:               59.2
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       83872
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    36216
          Total APNIC prefixes after maximum aggregation:               15817
      Prefixes being announced from the APNIC address blocks:           33991
          Unique aggregates announced from the APNIC address blocks:    16836
      APNIC Region origin ASes present in the Internet Routing Table:    2382
      APNIC Region origin ASes announcing only one prefix:                692
      APNIC Region transit ASes present in the Internet Routing Table:    364
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              204610688
          Equivalent to 12 /8s, 50 /16s and 28 /24s
          Percentage of available APNIC address space announced:         75.9
      
      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:                     92801
          Total ARIN prefixes after maximum aggregation:                55759
      Prefixes being announced from the ARIN address blocks:            72330
          Unique aggregates announced from the ARIN address blocks:     27244
      ARIN Region origin ASes present in the Internet Routing Table:    10312
      ARIN Region origin ASes announcing only one prefix:                3824
      ARIN Region transit ASes present in the Internet Routing Table:     958
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          17
      Number of ARIN addresses announced to Internet:               274040064
          Equivalent to 16 /8s, 85 /16s and 133 /24s
          Percentage of available ARIN address space announced:          68.1
      
      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:                     33836
          Total RIPE prefixes after maximum aggregation:                22889
      Prefixes being announced from the RIPE address blocks:            30852
          Unique aggregates announced from the RIPE address blocks:     20640
      RIPE Region origin ASes present in the Internet Routing Table:     7266
      RIPE Region origin ASes announcing only one prefix:                3822
      RIPE Region transit ASes present in the Internet Routing Table:    1203
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               222461184
          Equivalent to 13 /8s, 66 /16s and 125 /24s
          Percentage of available RIPE address space announced:          66.3
      
      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, 38912-39935
      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:                    9789
          Total LACNIC prefixes after maximum aggregation:               3276
      Prefixes being announced from the LACNIC address blocks:           8091
          Unique aggregates announced from the LACNIC address blocks:    4703
      LACNIC Region origin ASes present in the Internet Routing Table:    648
      LACNIC Region origin ASes announcing only one prefix:               209
      LACNIC Region transit ASes present in the Internet Routing Table:   122
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              22486272
          Equivalent to 1 /8s, 87 /16s and 29 /24s
          Percentage of available LACNIC address space announced:        33.5
      
      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:                   1807
          Total AfriNIC prefixes after maximum aggregation:               823
      Prefixes being announced from the AfriNIC address blocks:          1128
          Unique aggregates announced from the AfriNIC address blocks:    829
      AfriNIC Region origin ASes present in the Internet Routing Table:   141
      AfriNIC Region origin ASes announcing only one prefix:               42
      AfriNIC Region transit ASes present in the Internet Routing Table:   19
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2849536
          Equivalent to 0 /8s, 43 /16s and 123 /24s
          Percentage of available AfriNIC address space announced:        8.5
      
      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     1002       6327         214   CHINANET-BACKBONE
       9583      819         77          12   Sify Limited
       1221      747       1342         516   Telstra Pty Ltd
       4755      746        259          67   Videsh Sanchar Nigam Ltd. Aut
       4766      619       3927         287   Korea Telecom (KIX)
       7545      511        108          71   TPG Internet Pty Ltd
      17676      470       6819         100   Softbank BB Corp.
       9443      392         87          78   Primus Telecommunications
       9498      388        211          58   BHARTI BT INTERNET LTD.
      17488      366         22          10   Hathway IP Over Cable Interne
       2907      339       1763         316   SINET Japan
       4802      335         73         153   Wantree Development
       7474      332        258         228   SingTel Optus Pty Ltd
      17557      332         24         162   Pakistan Telecom
       9929      326        216          46   China Netcom Corp.
      18302      296        109         169   SK Global co., Ltd
       9837      275         79         176   Powertel Ltd
      17974      274         65          16   PT TELEKOMUNIKASI INDONESIA
      18101      267         68          19   Reliance Infocom Ltd Internet
       9800      253        394          66   CHINA UNICOM
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1473       6325         968   AT&T WorldNet Services
       4323     1194        706         233   Time Warner Telecom
        721     1071      21938         308   DLA Systems Automation Center
        174     1041       5846         981   Cogent Communications
        701     1004       8154         844   UUNET Technologies, Inc. 
       6197      959        407         498   BellSouth Network Solutions, 
       2386      928        545         692   AT&T Data Communications Serv
      18566      870        240           7   Covad Communications 
       1239      845       2849         594   Sprint 
        209      653       3605         517   Qwest 
      20115      640        519         336   Charter Communications 
      11492      591         81           9   Cable One 
        852      573       1093         381   Telus Advanced Communications
       3602      568        131         109   Sprint Canada, Inc. 
      19916      563         49          54   OLM LLC 
        855      562        247          65   Canadian Research Network 
      22773      547       1356          28   Cox Communications, Inc.
       3356      530      10638         406   Level 3 Communications, LLC 
      19262      529       1541         130   Verizon Global Networks 
       6478      492       1299         275   AT&T Worldnet Services 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      611       1961         479   UUNET - Commercial IP service
       3301      305       1085         291   TeliaNet Sweden
       3320      286       3231         241   Deutsche Telekom AG
       8220      270        475         265   COLT Telecommunications
        680      244       2040         239   DFN-IP service G-WiN
       8708      238        274         223   Romania Data Systems S.A.
       3246      228        475         221   Song Networks
       6746      199         51         170   Dynamic Network Technologies,
       1257      190        712         168   SWIPnet Swedish IP Network
       5515      182        840         128   Sonera Solution Autonomous Sy
       3269      180       1765          68   TELECOM ITALIA
        786      175       1795         175   The JANET IP Service
       5400      166        317         136   BT Ignite European Backbone
       6830      161        669          33   UPC Distribution Services
       3300      159        170          91   AUCS Communications Services 
       8866      156         37           9   Bulgarian Telecommunication C
      25186      148        211         104   France Telecom Transpac's Tra
       3215      144       1237          78   France Telecom Transpac
      24863      143         37           6   LINKdotNET AS number
      12479      140        322           5   Uni2 Autonomous System
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      386        642         165   UniNet S.A. de C.V. 
      16814      296         18           7   NSS, S.A. 
      11172      279         88          68   Servicios Alestra S.A de C.V 
      11664      201         22          28   Keytech SA 
      19632      196         14           5   Metropolis Intercom S.A. 
      14117      184         11           6   Telefonica del Sur S.A. 
      22047      170        128           7   VTR PUNTO NET S.A. 
       6147      161        118          21   Telefonica Del Peru 
       7303      144         68          16   Telecom Argentina Stet-France
      11556      130         64           3   Cable-Wireless Panama 
      13999      126         52           9   Mega Cable S.A. de C.V. 
      19169      124          8          26   Telconet 
       6505      121         89          85   Global One Communicaoes Ltda 
      10481      121         48           8   Prima S.A. 
      18822      112          7          13   TELEFONICA MANQUEHUE 
       5639      111         12           9   Telecommunications Services o
      21826      111         14          19   INTERCABLE 
       6503      108        147          75   AVANTEL, S.A. 
      11311       99          8          10   Sinectis S.A. 
      23216       92         23          12   RAMtelecom Telecomunicaciones
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      270        708         228   The Internet Solution 
       8452      136         44           7   TEDATA
       5536      123          8          12   Internet Egypt Network
       2018       93        295          85   Tertiary Education Network 
      15475       82         84           4   Nile Online
       2905       78        211          71   The Internetworking Company o
       6713       71         71          10   Itissalat Al-MAGHRIB
      20928       61         16           2   Noor Advanced Technologies AS
      24835       58         34           6   RAYA Telecom - Egypt
       5713       37        149          33   Telkom SA Ltd 
      12455       35          6           3   Jambonet Autonomous system
      15706       31          8           3   Sudatel Internet Exchange Aut
      33774       31          3          22   AS Number for Telecom Algeria
      16637       24         10          21   Johnnic e-Ventures 
       8524       23          1           4   AUCEGYPT Autonomous System
      10798       22          1          13   Standard Bank of South Africa
      21280       21          4           4   Swift Global Kenya Ltd.Is an 
      23889       20          5           9   MAURITIUS TELECOM
      12258       17          3          11   Vodacom Internet Company 
      15804       17          2           1   AS of The Way Out Internet So
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1194         961      Time Warner Telecom
      18566       870         863      Covad Communications 
       9583       819         807      Sify Limited
       4134      1002         788      CHINANET-BACKBONE
        721      1071         763      DLA Systems Automation Center
       4755       746         679      Videsh Sanchar Nigam Ltd. Aut
      11492       591         582      Cable One 
      22773       547         519      Cox Communications, Inc.
      19916       563         509      OLM LLC 
        855       562         497      Canadian Research Network 
       6197       959         461      BellSouth Network Solutions, 
       3602       568         459      Sprint Canada, Inc. 
       5668       472         446      CenturyTel Internet Holdings,
       7545       511         440      TPG Internet Pty Ltd
      19262       529         399      Verizon Global Networks 
      17676       470         370      Softbank BB Corp.
      17488       366         356      Hathway IP Over Cable Interne
       6467       397         349      E.Spire Communications, Inc. 
        812       368         343      Rogers WAVE 
       4766       619         332      Korea Telecom (KIX)
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65003   PRIVATE       57.250.244.0/24      13879       SITA-EQUANT 
      24413   UNALLOCATED   202.46.32.0/19       17623       China Netcom Corp.
      18428   UNALLOCATED   203.91.0.0/24         9505       Taiwan Internet Gate
      
      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
      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 
      192.72.0.0/18         4780     Digital United Inc.
      192.72.0.0/16         4780     Digital United Inc.
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      192.172.0.0/19         721     DLA Systems Automation Center
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:18       /9:5       /10:8       /11:17      /12:80      
      /13:184     /14:339     /15:656     /16:8598    /17:2861    /18:4819    
      /19:10958   /20:12025   /21:10139   /22:13383   /23:14532   /24:94929   
      /25:326     /26:277     /27:188     /28:32      /29:11      /30:39      
      /31:3       /32:29      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      854           870      Covad Communications 
       6197      781           959      BellSouth Network Solutions, 
       7018      721          1473      AT&T WorldNet Services
       9583      642           819      Sify Limited
       2386      641           928      AT&T Data Communications Serv
      11492      583           591      Cable One 
       4323      571          1194      Time Warner Telecom
      19916      557           563      OLM LLC 
        855      434           562      Canadian Research Network 
       4766      425           619      Korea Telecom (KIX)
       7011      397           457      Citizens Utilities 
        702      390           611      UUNET - Commercial IP service
       5668      374           472      CenturyTel Internet Holdings,
       1239      360           845      Sprint 
       6198      352           480      BellSouth Network Solutions, 
       6517      323           349      Yipes Communications, Inc. 
      15270      314           341      PaeTec.net -a division of Pae
      13609      292           333      Choice One Communications Inc
        701      282          1004      UUNET Technologies, Inc. 
      18302      281           296      SK Global co., Ltd
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         8:30       12:1615     13:1        15:11       16:3      
        17:3        18:3        20:41       24:695      30:2        32:68     
        38:169      40:54       44:3        47:3        52:4        55:1      
        56:3        57:35       58:97       59:90       60:147      61:787    
        62:784      63:1906     64:2974     65:2128     66:2949     67:681    
        68:655      69:1317     70:221      71:39       72:444      80:662    
        81:596      82:494      83:310      84:330      85:380      86:170    
        87:86      125:30      128:157     129:168     130:96      131:306    
       132:36      133:1       134:147     135:40      136:168     137:70     
       138:170     139:70      140:433     141:142     142:401     143:143    
       144:219     145:34      146:299     147:131     148:269     149:197    
       150:109     151:69      152:111     153:94      154:5       155:144    
       156:79      157:117     158:148     159:178     160:87      161:76     
       162:236     163:147     164:190     165:185     166:155     167:251    
       168:455     169:144     170:310     171:12      190:1       192:5735   
       193:3351    194:2430    195:1593    196:703     198:3914    199:3256   
       200:4253    201:415     202:6179    203:6546    204:3818    205:2043   
       206:2447    207:2889    208:2031    209:3479    210:1753    211:839    
       212:1216    213:1345    214:311     215:41      216:3880    217:1159   
       218:211     219:130     220:510     221:300     222:128    
      
      End of report