[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, 22 Sep 2007 04:03:18 +1000 (EST)
  • Delivered-to: apops at mailman dot apnic dot net
  • 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
      
      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 22 Sep, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/09/22/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              231986
          Prefixes after maximum aggregation:                          120745
          Deaggregation factor:                                          1.92
          Unique aggregates announced to Internet:                     112862
      Total ASes present in the Internet Routing Table:                 26255
          Prefixes per ASN:                                              8.84
      Origin-only ASes present in the Internet Routing Table:           22860
      Origin ASes announcing only one prefix:                           11131
      Transit ASes present in the Internet Routing Table:                3395
      Transit-only ASes present in the Internet Routing Table:             76
      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:                 2
          Unregistered ASNs in the Routing Table:                           5
      Prefixes from 32-bit ASNs in the Routing Table:                       7
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             11
      Number of addresses announced to Internet:                   1783351136
          Equivalent to 106 /8s, 75 /16s and 199 /24s
          Percentage of available address space announced:               48.1
          Percentage of allocated address space announced:               63.0
          Percentage of available address space allocated:               76.4
      Total number of prefixes smaller than registry allocations:      123343
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    54231
          Total APNIC prefixes after maximum aggregation:               20944
          APNIC Deaggregation factor:                                    2.59
      Prefixes being announced from the APNIC address blocks:           51145
          Unique aggregates announced from the APNIC address blocks:    22753
      APNIC Region origin ASes present in the Internet Routing Table:    3057
          APNIC Prefixes per ASN:                                       16.73
      APNIC Region origin ASes announcing only one prefix:                808
      APNIC Region transit ASes present in the Internet Routing Table:    470
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              318780832
          Equivalent to 19 /8s, 0 /16s and 53 /24s
          Percentage of available APNIC address space announced:         79.0
      
      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:                    109463
          Total ARIN prefixes after maximum aggregation:                63160
          ARIN Deaggregation factor:                                     1.73
      Prefixes being announced from the ARIN address blocks:            80732
          Unique aggregates announced from the ARIN address blocks:     32052
      ARIN Region origin ASes present in the Internet Routing Table:    11836
          ARIN Prefixes per ASN:                                         6.82
      ARIN Region origin ASes announcing only one prefix:                4535
      ARIN Region transit ASes present in the Internet Routing Table:    1088
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               345744512
          Equivalent to 20 /8s, 155 /16s and 164 /24s
          Percentage of available ARIN address space announced:          76.3
      
      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, 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:                     48640
          Total RIPE prefixes after maximum aggregation:                31137
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            45021
          Unique aggregates announced from the RIPE address blocks:     29840
      RIPE Region origin ASes present in the Internet Routing Table:    10213
          RIPE Prefixes per ASN:                                         4.41
      RIPE Region origin ASes announcing only one prefix:                5444
      RIPE Region transit ASes present in the Internet Routing Table:    1621
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               327550592
          Equivalent to 19 /8s, 134 /16s and 6 /24s
          Percentage of available RIPE address space announced:          75.1
      
      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:                   16943
          Total LACNIC prefixes after maximum aggregation:               4466
          LACNIC Deaggregation factor:                                   3.79
      Prefixes being announced from the LACNIC address blocks:          15047
          Unique aggregates announced from the LACNIC address blocks:    8004
      LACNIC Region origin ASes present in the Internet Routing Table:    867
          LACNIC Prefixes per ASN:                                      17.36
      LACNIC Region origin ASes announcing only one prefix:               277
      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:                        19
      Number of LACNIC addresses announced to Internet:              42459136
          Equivalent to 2 /8s, 135 /16s and 224 /24s
          Percentage of available LACNIC address space announced:        63.3
      
      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:                   2700
          Total AfriNIC prefixes after maximum aggregation:              1024
          AfriNIC Deaggregation factor:                                  2.64
      Prefixes being announced from the AfriNIC address blocks:          2288
          Unique aggregates announced from the AfriNIC address blocks:   1361
      AfriNIC Region origin ASes present in the Internet Routing Table:   205
          AfriNIC Prefixes per ASN:                                     11.16
      AfriNIC Region origin ASes announcing only one prefix:               67
      AfriNIC Region transit ASes present in the Internet Routing Table:   37
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              7458304
          Equivalent to 0 /8s, 113 /16s and 206 /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
       4755     1349        383          69   Videsh Sanchar Nigam Ltd. Aut
       9583     1127         81         405   Sify Limited
       4134     1077      11219         292   CHINANET-BACKBONE
       9498     1007        532          65   BHARTI BT INTERNET LTD.
      17488      810         53          59   Hathway IP Over Cable Interne
       4766      809       5441         321   Korea Telecom (KIX)
      23577      785         34         681   Korea Telecom (ATM-MPLS)
       7545      724        159         120   TPG Internet Pty Ltd
      18101      598        119          50   Reliance Infocom Ltd Internet
       4812      547        974          94   China Telecom (Shanghai)
       1221      538       1950         419   Telstra Pty Ltd
       9829      530       1312           9   BSNL National Internet Backbo
       4668      517         68          10   LG-EDS Systems Inc.
      17676      502      10903          63   Softbank BB Corp.
       4808      491        781         118   CNCGROUP IP network: China169
       9443      467        122          77   Primus Telecommunications
       4802      441        133         154   Wantree Development
       7474      382        218         270   SingTel Optus Pty Ltd
      17974      363        130          13   PT TELEKOMUNIKASI INDONESIA
       4837      356       5120         168   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1479       6122         999   AT&T WorldNet Services
       4323     1343        990         370   Time Warner Telecom
       2386     1216        635         730   AT&T Data Communications Serv
      11492     1149        112          15   Cable One 
       6478     1129        328         134   AT&T Worldnet Services 
       6197     1032        718         508   BellSouth Network Solutions, 
      18566     1027        288           9   Covad Communications 
        174      967       6780         856   Cogent Communications
       7011      940        285         558   Citizens Utilities 
        701      877       6574         683   UUNET Technologies, Inc. 
      20115      823        755         440   Charter Communications 
       1239      803       2720         565   Sprint 
      19262      778       2758         190   Verizon Global Networks 
      22773      771       2148          50   Cox Communications, Inc.
        209      742       3834         586   Qwest 
       3356      659      10820         367   Level 3 Communications, LLC 
       5668      656        176          23   CenturyTel Internet Holdings,
       6517      592        165          36   Yipes Communications, Inc. 
        852      584       1112         363   Telus Advanced Communications
      15270      579        160          38   PaeTec.net -a division of Pae
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      493       1923         395   UUNET - Commercial IP service
      24863      369         57          39   LINKdotNET AS number
       9116      346        168          27   Goldenlines main autonomous s
       3301      319       1457         296   TeliaNet Sweden
       3320      314       6035         261   Deutsche Telekom AG
       8551      297        284          38   Bezeq International
       6746      290        131         266   Dynamic Network Technologies,
        680      269       2045         257   DFN-IP service G-WiN
       8708      263        421         242   Romania Data Systems S.A.
       3215      261       2456          98   France Telecom Transpac
       8220      256        444         239   COLT Telecommunications
       3352      227       1882          40   Ibernet, Internet Access Netw
       5089      224       1658          54   NTL Group Limited
       3269      223       2839          73   TELECOM ITALIA
       9121      217       1442          25   TTnet Autonomous System
       3292      197       1380         177   TDC Tele Danmark
       3300      196        172          95   AUCS Communications Services 
      12479      194        578           6   Uni2 Autonomous System
       1257      192       1195         170   SWIPnet Swedish IP Network
       3246      187        253         177   Song Networks
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      921       1974         206   UniNet S.A. de C.V. 
      11830      514        299           9   Instituto Costarricense de El
      16814      426         26           9   NSS, S.A. 
      11172      374        114          60   Servicios Alestra S.A de C.V 
       7303      352        166          50   Telecom Argentina Stet-France
       6471      329         75          33   ENTEL CHILE S.A. 
      14522      329         28           7   SatNet S.A. 
      22047      317        246          13   VTR PUNTO NET S.A. 
      14117      284         19          15   Telefonica del Sur S.A. 
      10481      278        104           9   Prima S.A. 
      11664      277         30          13   Keytech SA 
      11556      237        128           4   Cable-Wireless Panama 
      10620      235         65          22   TVCABLE BOGOTA 
       6147      228        178          24   Telefonica Del Peru 
       6503      200        170          82   AVANTEL, S.A. 
      23216      198         17          46   RAMtelecom Telecomunicaciones
      20299      178         25          30   NEWCOM AMERICAS 
       8163      177         11           6   METROTEL REDES S.A. 
      19169      175         12          19   Telconet 
      21826      173         31          59   INTERCABLE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      284        870         226   The Internet Solution 
       8452      219        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      140        301         115   Tertiary Education Network 
      33783      125          8          12   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      33776      100          6           3   Starcomms Nigeria Limited
      24835       87         48           6   RAYA Telecom - Egypt
      15475       76         84           4   Nile Online
       2905       75        174          72   The Internetworking Company o
      23889       73         24          15   MAURITIUS TELECOM
      15706       56         12           4   Sudatel Internet Exchange Aut
      33774       47         29          25   AS Number for Telecom Algeria
       5713       46        294          36   Telkom SA Ltd 
      16637       42         21          29   Johnnic e-Ventures 
      12455       35          6           3   Jambonet Autonomous system
       8524       31          2          10   AUCEGYPT Autonomous System
      21280       29          4           4   Swift Global Kenya Ltd.Is an 
      10798       27         16           1   Standard Bank of South Africa
      29975       26         10           9   Vodacom
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1349        1280      Videsh Sanchar Nigam Ltd. Aut
      11492      1149        1134      Cable One 
      18566      1027        1018      Covad Communications 
       6478      1129         995      AT&T Worldnet Services 
       4323      1343         973      Time Warner Telecom
       9498      1007         942      BHARTI BT INTERNET LTD.
       4134      1077         785      CHINANET-BACKBONE
      17488       810         751      Hathway IP Over Cable Interne
       9583      1127         722      Sify Limited
      22773       771         721      Cox Communications, Inc.
       8151       921         715      UniNet S.A. de C.V. 
       5668       656         633      CenturyTel Internet Holdings,
       7545       724         604      TPG Internet Pty Ltd
      19262       778         588      Verizon Global Networks 
       6517       592         556      Yipes Communications, Inc. 
      18101       598         548      Reliance Infocom Ltd Internet
      15270       579         541      PaeTec.net -a division of Pae
       6197      1032         524      BellSouth Network Solutions, 
       9829       530         521      BSNL National Internet Backbo
      19916       568         517      OLM LLC 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65501   PRIVATE       202.153.21.0/24      23666       PT Sistelindo Mitral
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      101.13.13.0/24        8764     LIETUVOS-TELEKOMAS Autonomous
      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        /8:19       /9:9       /10:16      /11:37      /12:135     
      /13:262     /14:473     /15:922     /16:9621    /17:4089    /18:6651    
      /19:13997   /20:16498   /21:15034   /22:19460   /23:20318   /24:122056  
      /25:757     /26:1019    /27:513     /28:87      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1141          1149      Cable One 
       6478     1128          1129      AT&T Worldnet Services 
      18566     1009          1027      Covad Communications 
       9583      969          1127      Sify Limited
       2386      908          1216      AT&T Data Communications Serv
       7011      830           940      Citizens Utilities 
       7018      823          1479      AT&T WorldNet Services
       6197      785          1032      BellSouth Network Solutions, 
      23577      776           785      Korea Telecom (ATM-MPLS)
       4755      754          1349      Videsh Sanchar Nigam Ltd. Aut
       9498      679          1007      BHARTI BT INTERNET LTD.
      17488      633           810      Hathway IP Over Cable Interne
       4766      607           809      Korea Telecom (KIX)
       4323      578          1343      Time Warner Telecom
      19916      563           568      OLM LLC 
       6517      557           592      Yipes Communications, Inc. 
      15270      543           579      PaeTec.net -a division of Pae
       5668      521           656      CenturyTel Internet Holdings,
       4668      507           517      LG-EDS Systems Inc.
      18101      503           598      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:82       12:1785     13:1        15:20       16:3      
        17:3        18:13       20:37       24:967      25:1        32:60     
        33:3        38:349      40:60       41:319      44:2        47:4      
        52:4        55:3        56:3        57:23       58:474      59:403    
        60:367      61:992      62:938      63:2012     64:3230     65:2375   
        66:3507     67:806      68:670      69:1996     70:449      71:106    
        72:1432     73:5        74:662      75:260      76:127      77:353    
        78:164      80:833      81:834      82:569      83:364      84:623    
        85:820      86:341      87:521      88:281      89:994      90:24     
        91:560      97:6       101:1       116:360     117:158     118:19     
       121:300     122:614     123:192     124:675     125:1005    128:271    
       129:213     130:137     131:366     132:54      133:9       134:196    
       135:34      136:187     137:83      138:153     139:74      140:505    
       141:177     142:383     143:256     144:306     145:47      146:331    
       147:125     148:415     149:156     150:107     151:158     152:89     
       153:119     154:3       155:259     156:161     157:219     158:160    
       159:173     160:134     161:102     162:172     163:182     164:487    
       165:395     166:285     167:298     168:499     169:123     170:389    
       171:22      172:2       189:74      190:1135    192:5705    193:3952   
       194:3193    195:2298    196:962     198:3814    199:3220    200:5307   
       201:1197    202:7386    203:7734    204:3912    205:1999    206:2418   
       207:2845    208:2844    209:3487    210:2464    211:1086    212:1314   
       213:1484    214:420     215:45      216:4008    217:1195    218:321    
       219:371     220:1003    221:415     222:260    
      
      End of report