[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, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 3 Nov 2007 04:03:03 +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
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 03 Nov, 2007
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              237079
          Prefixes after maximum aggregation:                          122131
          Deaggregation factor:                                          1.94
          Unique aggregates announced to Internet:                     114350
      Total ASes present in the Internet Routing Table:                 26602
          Prefixes per ASN:                                              8.91
      Origin-only ASes present in the Internet Routing Table:           23152
      Origin ASes announcing only one prefix:                           11298
      Transit ASes present in the Internet Routing Table:                3450
      Transit-only ASes present in the Internet Routing Table:             79
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      66
          Max AS path prepend of ASN ( 3816)                               64
      Prefixes from unregistered ASNs in the Routing Table:                29
          Unregistered ASNs in the Routing Table:                           6
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1788818304
          Equivalent to 106 /8s, 159 /16s and 51 /24s
          Percentage of available address space announced:               48.3
          Percentage of allocated address space announced:               61.7
          Percentage of available address space allocated:               78.2
      Total number of prefixes smaller than registry allocations:      110379
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    55136
          Total APNIC prefixes after maximum aggregation:               20723
          APNIC Deaggregation factor:                                    2.66
      Prefixes being announced from the APNIC address blocks:           52049
          Unique aggregates announced from the APNIC address blocks:    22047
      APNIC Region origin ASes present in the Internet Routing Table:    3074
          APNIC Prefixes per ASN:                                       16.93
      APNIC Region origin ASes announcing only one prefix:                798
      APNIC Region transit ASes present in the Internet Routing Table:    473
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              323962048
          Equivalent to 19 /8s, 79 /16s and 68 /24s
          Percentage of available APNIC address space announced:         74.1
      
      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, 114/7, 116/6, 120/6, 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:                    111540
          Total ARIN prefixes after maximum aggregation:                63969
          ARIN Deaggregation factor:                                     1.74
      Prefixes being announced from the ARIN address blocks:            82536
          Unique aggregates announced from the ARIN address blocks:     32579
      ARIN Region origin ASes present in the Internet Routing Table:    11925
          ARIN Prefixes per ASN:                                         6.92
      ARIN Region origin ASes announcing only one prefix:                4599
      ARIN Region transit ASes present in the Internet Routing Table:    1110
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               352031104
          Equivalent to 20 /8s, 251 /16s and 145 /24s
          Percentage of available ARIN address space announced:          77.7
      
      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, 39936-40959
      ARIN Address Blocks    24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     49364
          Total RIPE prefixes after maximum aggregation:                31795
          RIPE Deaggregation factor:                                     1.55
      Prefixes being announced from the RIPE address blocks:            46293
          Unique aggregates announced from the RIPE address blocks:     30557
      RIPE Region origin ASes present in the Internet Routing Table:    10440
          RIPE Prefixes per ASN:                                         4.43
      RIPE Region origin ASes announcing only one prefix:                5551
      RIPE Region transit ASes present in the Internet Routing Table:    1645
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               335514496
          Equivalent to 19 /8s, 255 /16s and 139 /24s
          Percentage of available RIPE address space announced:          76.9
      
      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
                             40960-45055
      RIPE Address Blocks    62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   17746
          Total LACNIC prefixes after maximum aggregation:               4552
          LACNIC Deaggregation factor:                                   3.90
      Prefixes being announced from the LACNIC address blocks:          15641
          Unique aggregates announced from the LACNIC address blocks:    8717
      LACNIC Region origin ASes present in the Internet Routing Table:    870
          LACNIC Prefixes per ASN:                                      17.98
      LACNIC Region origin ASes announcing only one prefix:               280
      LACNIC Region transit ASes present in the Internet Routing Table:   148
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        66
      Number of LACNIC addresses announced to Internet:              45830400
          Equivalent to 2 /8s, 187 /16s and 81 /24s
          Percentage of available LACNIC address space announced:        45.5
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  186/7, 189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   3255
          Total AfriNIC prefixes after maximum aggregation:              1076
          AfriNIC Deaggregation factor:                                  3.03
      Prefixes being announced from the AfriNIC address blocks:          2374
          Unique aggregates announced from the AfriNIC address blocks:   1399
      AfriNIC Region origin ASes present in the Internet Routing Table:   213
          AfriNIC Prefixes per ASN:                                     11.15
      AfriNIC Region origin ASes announcing only one prefix:               70
      AfriNIC Region transit ASes present in the Internet Routing Table:   37
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              7633152
          Equivalent to 0 /8s, 116 /16s and 121 /24s
          Percentage of available AfriNIC address space announced:       22.7
      
      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
       4755     1428        383          67   Videsh Sanchar Nigam Ltd. Aut
       9583     1107        108          15   Sify Limited
       4134     1101      11560         302   CHINANET-BACKBONE
       9498     1018        549          64   BHARTI BT INTERNET LTD.
      17488      874         57          69   Hathway IP Over Cable Interne
       4766      814       5473         327   Korea Telecom (KIX)
      23577      774         34         679   Korea Telecom (ATM-MPLS)
       7545      720        159         123   TPG Internet Pty Ltd
      18101      609        119          53   Reliance Infocom Ltd Internet
       1221      542       1951         422   Telstra Pty Ltd
       9829      530       1312           9   BSNL National Internet Backbo
       4812      524        866          77   China Telecom (Shanghai)
       4668      520         68          10   LG-EDS Systems Inc.
      17676      504      10919          64   Softbank BB Corp.
       4808      500        797         121   CNCGROUP IP network: China169
       4802      487        133         141   Wantree Development
       9443      441        121          72   Primus Telecommunications
       7474      380        202         266   SingTel Optus Pty Ltd
      17974      369        146          14   PT TELEKOMUNIKASI INDONESIA
       4837      356       5050         168   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1507       6147        1010   AT&T WorldNet Services
       4323     1362       1014         360   Time Warner Telecom
       2386     1249        629         760   AT&T Data Communications Serv
      11492     1161        119          48   Cable One 
       6478     1121        329         184   AT&T Worldnet Services 
       6197     1030        718         508   BellSouth Network Solutions, 
      18566     1029        288           9   Covad Communications 
        174      983       6882         848   Cogent Communications
       7011      979        290         562   Citizens Utilities 
        701      891       6552         697   UUNET Technologies, Inc. 
        577      848        844         211   Bell Advanced Communications 
      20115      845        771         457   Charter Communications 
      22773      802       2133          54   Cox Communications, Inc.
       1239      800       2729         559   Sprint 
      19262      797       2861         182   Verizon Global Networks 
       3356      792      10885         409   Level 3 Communications, LLC 
        209      727       3782         570   Qwest 
       5668      662        176          17   CenturyTel Internet Holdings,
       1785      591        379         246   AppliedTheory Corporation 
       6517      590        163          33   Yipes Communications, Inc. 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      469       1917         383   UUNET - Commercial IP service
       9116      335        168          28   Goldenlines main autonomous s
       3301      316       1441         293   TeliaNet Sweden
       3320      315       6035         262   Deutsche Telekom AG
       8551      311        298          41   Bezeq International
       6746      273        129         251   Dynamic Network Technologies,
       8708      273        421         244   Romania Data Systems S.A.
       8866      269         62          25   Bulgarian Telecommunication C
        680      268       2045         254   DFN-IP service G-WiN
       3215      263       2503          98   France Telecom Transpac
       8220      255        444         237   COLT Telecommunications
       8452      244        188           7   TEDATA
       3352      235       1932          41   Ibernet, Internet Access Netw
       3269      228       2935          75   TELECOM ITALIA
       9121      212       1442          25   TTnet Autonomous System
       3300      199        172          95   AUCS Communications Services 
      12479      195        578           6   Uni2 Autonomous System
       1257      194       1195         177   SWIPnet Swedish IP Network
       3246      193        257         184   Song Networks
       3292      193       1380         177   TDC Tele Danmark
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1160       2406         219   UniNet S.A. de C.V. 
      11830      514        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
      14522      378         32           7   SatNet S.A. 
      11172      377        114          60   Servicios Alestra S.A de C.V 
       7303      366        177          53   Telecom Argentina Stet-France
       6471      352         77          37   ENTEL CHILE S.A. 
      22047      317        246          13   VTR PUNTO NET S.A. 
      10481      301        120          10   Prima S.A. 
      14117      285         19          15   Telefonica del Sur S.A. 
      10620      265         73          27   TVCABLE BOGOTA 
       6147      242        182          20   Telefonica Del Peru 
      11556      236        128           4   Cable-Wireless Panama 
      23216      220         17          47   RAMtelecom Telecomunicaciones
       6503      206        185          80   AVANTEL, S.A. 
       7738      205        538          24   Telecomunicacoes da Bahia S.A
      28573      202        314          27   NET Servicos de Comunicao S.A
      21826      184         33          49   INTERCABLE 
      20299      181         33          30   NEWCOM AMERICAS 
      19169      180         12          19   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      386         67          44   LINKdotNET AS number
       3741      279        869         225   The Internet Solution 
      20858      195         34           3   EgyNet
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      140        299         115   Tertiary Education Network 
       5536      124          8          10   Internet Egypt Network
      33783      124          8          11   EEPAD TISP TELECOM & INTERNET
      33776      100          6           3   Starcomms Nigeria Limited
      24835       88         48           6   RAYA Telecom - Egypt
      15475       83         84           4   Nile Online
       2905       75        174          72   The Internetworking Company o
      23889       74         24          15   MAURITIUS TELECOM
      20484       63          5           5   Yalla Online Autonomous Syste
      16637       62         21          29   Johnnic e-Ventures 
      15706       55         12           4   Sudatel Internet Exchange Aut
      29571       55         11           7   Ci Telecom Autonomous system 
      33774       47         33          26   AS Number for Telecom Algeria
       5713       46        294          36   Telkom SA Ltd 
      12455       36          6           3   Jambonet Autonomous system
      21152       31          2           5   AS for the uplinks of Soficom
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1428        1361      Videsh Sanchar Nigam Ltd. Aut
      11492      1161        1113      Cable One 
       9583      1107        1092      Sify Limited
      18566      1029        1020      Covad Communications 
       4323      1362        1002      Time Warner Telecom
       9498      1018         954      BHARTI BT INTERNET LTD.
       8151      1160         941      UniNet S.A. de C.V. 
       6478      1121         937      AT&T Worldnet Services 
      17488       874         805      Hathway IP Over Cable Interne
       4134      1101         799      CHINANET-BACKBONE
      22773       802         748      Cox Communications, Inc.
       5668       662         645      CenturyTel Internet Holdings,
        577       848         637      Bell Advanced Communications 
      19262       797         615      Verizon Global Networks 
       7545       720         597      TPG Internet Pty Ltd
       6517       590         557      Yipes Communications, Inc. 
      18101       609         556      Reliance Infocom Ltd Internet
       6197      1030         522      BellSouth Network Solutions, 
      19916       569         522      OLM LLC 
       9829       530         521      BSNL National Internet Backbo
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64250   RESERVED      59.144.44.0/24        9498       BHARTI BT INTERNET L
      64999   PRIVATE       78.24.120.0/23        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.122.0/23        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.124.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.125.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.126.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.127.0/24        3257       Tiscali Intl Network
      64250   RESERVED      122.167.64.0/19       9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.96.0/20       9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.112.0/21      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.176.0/21      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.188.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.192.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.196.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.200.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.204.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.208.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.212.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.216.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.220.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.240.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.242.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.244.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.246.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.171.0.0/24        9498       BHARTI BT INTERNET L
      64250   RESERVED      122.171.1.0/24        9498       BHARTI BT INTERNET L
      65300   PRIVATE       216.243.221.0/24     11320       Internet Express, In
      65300   PRIVATE       216.243.222.0/24     11320       Internet Express, In
      65300   PRIVATE       216.243.223.0/24     11320       Internet Express, In
      
      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
      172.14.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
      172.15.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
      172.33.1.0/24         7018     AT&T WorldNet Services
      192.0.10.0/24         9498     BHARTI BT INTERNET LTD.
      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 
      192.153.136.0/21       721     DLA Systems Automation Center
      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       /9:9       /10:16      /11:39      /12:136     
      /13:270     /14:480     /15:949     /16:9718    /17:4168    /18:6699    
      /19:14600   /20:16696   /21:15568   /22:20123   /23:20859   /24:124231  
      /25:809     /26:1026    /27:540     /28:112     /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1152          1161      Cable One 
       6478     1120          1121      AT&T Worldnet Services 
      18566     1011          1029      Covad Communications 
       9583      945          1107      Sify Limited
       2386      939          1249      AT&T Data Communications Serv
       7011      866           979      Citizens Utilities 
       7018      832          1507      AT&T WorldNet Services
       4755      818          1428      Videsh Sanchar Nigam Ltd. Aut
       6197      774          1030      BellSouth Network Solutions, 
      23577      765           774      Korea Telecom (ATM-MPLS)
       9498      704          1018      BHARTI BT INTERNET LTD.
      17488      689           874      Hathway IP Over Cable Interne
        577      609           848      Bell Advanced Communications 
       4766      605           814      Korea Telecom (KIX)
       4323      575          1362      Time Warner Telecom
      19916      564           569      OLM LLC 
       6517      546           590      Yipes Communications, Inc. 
       5668      521           662      CenturyTel Internet Holdings,
       4668      510           520      LG-EDS Systems Inc.
      18101      509           609      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:89       12:1799     15:19       16:3        17:6      
        18:13       20:35       24:1001     32:57       33:3        38:356    
        40:64       41:381      44:2        47:8        52:3        55:3      
        56:3        57:21       58:475      59:409      60:385      61:989    
        62:941      63:1989     64:3298     65:2374     66:3586     67:843    
        68:688      69:2009     70:464      71:107      72:1418     73:8      
        74:745      75:263      76:156      77:415      78:264      79:9      
        80:859      81:796      82:575      83:350      84:635      85:817    
        86:411      87:566      88:283      89:1020     90:38       91:702    
        92:5        96:1        97:6        98:12      116:419     117:206    
       118:42      121:336     122:636     123:205     124:702     125:1036   
       128:306     129:195     130:143     131:365     132:53      133:9      
       134:193     135:34      136:189     137:82      138:156     139:76     
       140:512     141:145     142:371     143:256     144:318     145:46     
       146:326     147:130     148:484     149:184     150:168     151:137    
       152:92      153:121     154:11      155:261     156:164     157:224    
       158:159     159:193     160:143     161:100     162:189     163:183    
       164:500     165:397     166:290     167:307     168:513     169:126    
       170:414     171:22      172:5       189:103     190:1207    192:5720   
       193:3987    194:3211    195:2451    196:935     198:3793    199:3226   
       200:5237    201:1234    202:7421    203:7773    204:3983    205:1993   
       206:2401    207:2794    208:2916    209:3603    210:2500    211:1077   
       212:1303    213:1520    214:432     215:43      216:4116    217:1204   
       218:323     219:384     220:1011    221:403     222:267    
      
      End of report