[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, 18 Aug 2007 04:03:10 +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 18 Aug, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/08/18/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              228981
          Prefixes after maximum aggregation:                          120023
          Deaggregation factor:                                          1.91
          Unique aggregates announced to Internet:                     111293
      Total ASes present in the Internet Routing Table:                 25995
          Prefixes per ASN:                                              8.81
      Origin-only ASes present in the Internet Routing Table:           22636
      Origin ASes announcing only one prefix:                           11060
      Transit ASes present in the Internet Routing Table:                3359
      Transit-only ASes present in the Internet Routing Table:             75
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      21
          Max AS path prepend of ASN (35389)                               16
      Prefixes from unregistered ASNs in the Routing Table:                 7
          Unregistered ASNs in the Routing Table:                           3
      Prefixes from 32-bit ASNs in the Routing Table:                       5
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             11
      Number of addresses announced to Internet:                   1751698656
          Equivalent to 104 /8s, 104 /16s and 204 /24s
          Percentage of available address space announced:               47.3
          Percentage of allocated address space announced:               61.9
          Percentage of available address space allocated:               76.4
      Total number of prefixes smaller than registry allocations:      121285
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    53554
          Total APNIC prefixes after maximum aggregation:               20814
          APNIC Deaggregation factor:                                    2.57
      Prefixes being announced from the APNIC address blocks:           50491
          Unique aggregates announced from the APNIC address blocks:    22248
      APNIC Region origin ASes present in the Internet Routing Table:    3037
          APNIC Prefixes per ASN:                                       16.63
      APNIC Region origin ASes announcing only one prefix:                820
      APNIC Region transit ASes present in the Internet Routing Table:    463
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              311783328
          Equivalent to 18 /8s, 149 /16s and 111 /24s
          Percentage of available APNIC address space announced:         77.2
      
      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, 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:                    108312
          Total ARIN prefixes after maximum aggregation:                62746
          ARIN Deaggregation factor:                                     1.73
      Prefixes being announced from the ARIN address blocks:            79754
          Unique aggregates announced from the ARIN address blocks:     31860
      ARIN Region origin ASes present in the Internet Routing Table:    11765
          ARIN Prefixes per ASN:                                         6.78
      ARIN Region origin ASes announcing only one prefix:                4536
      ARIN Region transit ASes present in the Internet Routing Table:    1081
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               342081536
          Equivalent to 20 /8s, 99 /16s and 192 /24s
          Percentage of available ARIN address space announced:          75.5
      
      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:                     48172
          Total RIPE prefixes after maximum aggregation:                31027
          RIPE Deaggregation factor:                                     1.55
      Prefixes being announced from the RIPE address blocks:            44558
          Unique aggregates announced from the RIPE address blocks:     29275
      RIPE Region origin ASes present in the Internet Routing Table:    10066
          RIPE Prefixes per ASN:                                         4.43
      RIPE Region origin ASes announcing only one prefix:                5360
      RIPE Region transit ASes present in the Internet Routing Table:    1602
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               323968640
          Equivalent to 19 /8s, 79 /16s and 94 /24s
          Percentage of available RIPE address space announced:          74.3
      
      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
                             40960-44031
      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:                   16210
          Total LACNIC prefixes after maximum aggregation:               4384
          LACNIC Deaggregation factor:                                   3.70
      Prefixes being announced from the LACNIC address blocks:          14309
          Unique aggregates announced from the LACNIC address blocks:    7741
      LACNIC Region origin ASes present in the Internet Routing Table:    845
          LACNIC Prefixes per ASN:                                      16.93
      LACNIC Region origin ASes announcing only one prefix:               276
      LACNIC Region transit ASes present in the Internet Routing Table:   144
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              41965312
          Equivalent to 2 /8s, 128 /16s and 87 /24s
          Percentage of available LACNIC address space announced:        62.5
      
      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:                   2721
          Total AfriNIC prefixes after maximum aggregation:              1042
          AfriNIC Deaggregation factor:                                  2.61
      Prefixes being announced from the AfriNIC address blocks:          2251
          Unique aggregates announced from the AfriNIC address blocks:   1356
      AfriNIC Region origin ASes present in the Internet Routing Table:   206
          AfriNIC Prefixes per ASN:                                     10.93
      AfriNIC Region origin ASes announcing only one prefix:               68
      AfriNIC Region transit ASes present in the Internet Routing Table:   33
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              7433984
          Equivalent to 0 /8s, 113 /16s and 111 /24s
          Percentage of available AfriNIC address space announced:       22.2
      
      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     1332      11140         287   CHINANET-BACKBONE
       4755     1322        382          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1124         80         404   Sify Limited
       9498      998        533          68   BHARTI BT INTERNET LTD.
       4766      797       5440         315   Korea Telecom (KIX)
      23577      790         34         686   Korea Telecom (ATM-MPLS)
      17488      759         49          56   Hathway IP Over Cable Interne
       7545      699        150         115   TPG Internet Pty Ltd
      18101      588        118          45   Reliance Infocom Ltd Internet
       1221      545       1951         426   Telstra Pty Ltd
       4812      543        979          98   China Telecom (Shanghai)
       4668      516         68          10   LG-EDS Systems Inc.
      17676      503      10919          64   Softbank BB Corp.
       4808      476        768         107   CNCGROUP IP network: China169
       9443      473        122          77   Primus Telecommunications
       4802      428        116         154   Wantree Development
       7474      393        217         267   SingTel Optus Pty Ltd
      17974      364        130          13   PT TELEKOMUNIKASI INDONESIA
       9829      363        258          14   BSNL National Internet Backbo
       4837      354       4944         165   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1474       6076         991   AT&T WorldNet Services
       4323     1329       1007         373   Time Warner Telecom
       2386     1210        616         745   AT&T Data Communications Serv
      11492     1124        109          32   Cable One 
       6478     1116        322         140   AT&T Worldnet Services 
       6197     1029        718         510   BellSouth Network Solutions, 
      18566     1019        288           9   Covad Communications 
        174      971       6780         861   Cogent Communications
        701      942       6547         720   UUNET Technologies, Inc. 
       7011      911        260         548   Citizens Utilities 
      20115      805        741         430   Charter Communications 
       1239      801       2723         567   Sprint 
      19262      763       2721         182   Verizon Global Networks 
      22773      754       2148          49   Cox Communications, Inc.
        209      731       3835         580   Qwest 
       5668      628        171          24   CenturyTel Internet Holdings,
       6517      582        161          37   Yipes Communications, Inc. 
        852      576       1095         363   Telus Advanced Communications
        855      575        254          73   Canadian Research Network 
       6198      569        613         259   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       2119      506        918         378   Telenor Internet Access
        702      503       1922         404   UUNET - Commercial IP service
      24863      362         57          41   LINKdotNET AS number
       9116      345        168          26   Goldenlines main autonomous s
       3301      313       1456         293   TeliaNet Sweden
       3320      313       6035         260   Deutsche Telekom AG
       6746      287        130         263   Dynamic Network Technologies,
       5089      269       1658          54   NTL Group Limited
        680      265       2061         256   DFN-IP service G-WiN
       8220      261        445         244   COLT Telecommunications
       8708      260        420         241   Romania Data Systems S.A.
       3215      256       2392          97   France Telecom Transpac
       8551      232        228          27   Bezeq International
       3352      225       1868          38   Ibernet, Internet Access Netw
       3269      221       2775          73   TELECOM ITALIA
       9121      210       1441          24   TTnet Autonomous System
       3292      195       1379         175   TDC Tele Danmark
      12479      193        578           6   Uni2 Autonomous System
       1257      192       1195         170   SWIPnet Swedish IP Network
       3300      192        172          93   AUCS Communications Services 
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      920       1974         207   UniNet S.A. de C.V. 
      11830      483        299           9   Instituto Costarricense de El
      16814      426         26           9   NSS, S.A. 
      11172      374        115          61   Servicios Alestra S.A de C.V 
       7303      337        175          42   Telecom Argentina Stet-France
      14522      334         28           7   SatNet S.A. 
      22047      318        246          13   VTR PUNTO NET S.A. 
       6471      317         75          32   ENTEL CHILE S.A. 
      14117      281         19          15   Telefonica del Sur S.A. 
      10481      261        104           9   Prima S.A. 
      11556      235        128           3   Cable-Wireless Panama 
       6147      226        176          27   Telefonica Del Peru 
      10620      217         61          26   TVCABLE BOGOTA 
       6503      200        170          82   AVANTEL, S.A. 
      23216      195         16          43   RAMtelecom Telecomunicaciones
       8163      177         11           6   METROTEL REDES S.A. 
      19169      169         12          18   Telconet 
      21826      162         28          61   INTERCABLE 
      20299      161         24          20   NEWCOM AMERICAS 
       7738      160        506          23   Telecomunicacoes da Bahia S.A
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      282        867         223   The Internet Solution 
       8452      234        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      140        301         115   Tertiary Education Network 
      33783      126          8          11   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      33776       99          6           8   Starcomms Nigeria Limited
      24835       87         48           6   RAYA Telecom - Egypt
      15475       79         84           4   Nile Online
       2905       75        174          72   The Internetworking Company o
       2561       62          6           2   Egyptian Universities Network
      15706       56         12           4   Sudatel Internet Exchange Aut
      23889       52         24          15   MAURITIUS TELECOM
       5713       46        294          36   Telkom SA Ltd 
      16637       46         21          29   Johnnic e-Ventures 
      33774       46         29          24   AS Number for Telecom Algeria
       8524       31          2          10   AUCEGYPT Autonomous System
      21280       30          4           4   Swift Global Kenya Ltd.Is an 
      12455       26          6           3   Jambonet Autonomous system
      10798       25          2          16   Standard Bank of South Africa
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1322        1251      Videsh Sanchar Nigam Ltd. Aut
      11492      1124        1092      Cable One 
       4134      1332        1045      CHINANET-BACKBONE
      18566      1019        1010      Covad Communications 
       6478      1116         976      AT&T Worldnet Services 
       4323      1329         956      Time Warner Telecom
       9498       998         930      BHARTI BT INTERNET LTD.
       9583      1124         720      Sify Limited
       8151       920         713      UniNet S.A. de C.V. 
      22773       754         705      Cox Communications, Inc.
      17488       759         703      Hathway IP Over Cable Interne
       5668       628         604      CenturyTel Internet Holdings,
       7545       699         584      TPG Internet Pty Ltd
      19262       763         581      Verizon Global Networks 
       6517       582         545      Yipes Communications, Inc. 
      18101       588         543      Reliance Infocom Ltd Internet
      15270       566         528      PaeTec.net -a division of Pae
       6197      1029         519      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
       4668       516         506      LG-EDS Systems Inc.
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64513   PRIVATE       63.171.234.0/26       1803       SPRINT 
      64513   PRIVATE       63.171.234.64/26      1803       SPRINT 
      64513   PRIVATE       63.171.234.128/26     1803       SPRINT 
      64513   PRIVATE       63.171.234.192/26     1803       SPRINT 
      65038   PRIVATE       88.213.141.0/24      34695       E4A Primary AS
      65038   PRIVATE       88.213.155.0/24      34695       E4A Primary AS
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      7.1.1.0/24            1239     Sprint 
      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
      172.33.1.0/24         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       /10:15      /11:36      /12:134     
      /13:257     /14:470     /15:918     /16:9590    /17:4051    /18:6542    
      /19:13876   /20:16145   /21:14807   /22:19116   /23:20085   /24:120509  
      /25:778     /26:1030    /27:503     /28:79      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1116          1124      Cable One 
       6478     1115          1116      AT&T Worldnet Services 
      18566     1001          1019      Covad Communications 
       9583      966          1124      Sify Limited
       2386      904          1210      AT&T Data Communications Serv
       7018      812          1474      AT&T WorldNet Services
       7011      808           911      Citizens Utilities 
       6197      782          1029      BellSouth Network Solutions, 
      23577      781           790      Korea Telecom (ATM-MPLS)
       4755      710          1322      Videsh Sanchar Nigam Ltd. Aut
       9498      667           998      BHARTI BT INTERNET LTD.
       4766      594           797      Korea Telecom (KIX)
      17488      582           759      Hathway IP Over Cable Interne
      19916      563           568      OLM LLC 
       4323      558          1329      Time Warner Telecom
       6517      547           582      Yipes Communications, Inc. 
      15270      530           566      PaeTec.net -a division of Pae
       4668      506           516      LG-EDS Systems Inc.
      18101      498           588      Reliance Infocom Ltd Internet
       5668      493           628      CenturyTel Internet Holdings,
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:86       12:1794     13:1        15:19     
        16:3        17:3        18:13       20:37       24:954      25:1      
        32:57       33:3        38:346      40:60       41:307      44:2      
        47:4        52:4        55:3        56:3        57:25       58:472    
        59:386      60:356      61:997      62:937      63:1999     64:3162   
        65:2361     66:3397     67:763      68:644      69:1940     70:442    
        71:104      72:1383     73:2        74:624      75:255      76:124    
        77:282      78:36       80:832      81:830      82:654      83:379    
        84:595      85:851      86:341      87:484      88:285      89:963    
        90:22       91:486      97:6       116:279     117:134     121:262    
       122:595     123:155     124:841     125:981     126:1       128:290    
       129:214     130:140     131:362     132:55      133:9       134:198    
       135:34      136:188     137:81      138:149     139:71      140:493    
       141:173     142:379     143:255     144:299     145:46      146:325    
       147:119     148:409     149:143     150:111     151:159     152:88     
       153:122     154:3       155:261     156:156     157:214     158:158    
       159:171     160:105     161:94      162:186     163:179     164:477    
       165:391     166:275     167:295     168:511     169:121     170:396    
       171:22      172:2       189:69      190:972     192:5736    193:3960   
       194:3177    195:2270    196:981     198:3819    199:3267    200:5069   
       201:1151    202:7392    203:7628    204:3949    205:1982    206:2416   
       207:2818    208:2775    209:3479    210:2440    211:985     212:1341   
       213:1475    214:416     215:41      216:4003    217:1165    218:353    
       219:381     220:1013    221:416     222:265    
      
      End of report