[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, 9 Jun 2007 04:02:40 +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 09 Jun, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/06/09/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              222590
          Prefixes after maximum aggregation:                          118357
          Deaggregation factor:                                          1.88
          Unique aggregates announced to Internet:                     108133
      Total ASes present in the Internet Routing Table:                 25395
          Prefixes per ASN:                                              8.77
      Origin-only ASes present in the Internet Routing Table:           22099
      Origin ASes announcing only one prefix:                           10737
      Transit ASes present in the Internet Routing Table:                3296
      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:                                      22
          Max AS path prepend of ASN (35389)                               16
      Prefixes from unregistered ASNs in the Routing Table:                 6
          Unregistered ASNs in the Routing Table:                           8
      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:             12
      Number of addresses announced to Internet:                   1735745632
          Equivalent to 103 /8s, 117 /16s and 96 /24s
          Percentage of available address space announced:               46.8
          Percentage of allocated address space announced:               62.1
          Percentage of available address space allocated:               75.5
      Total number of prefixes smaller than registry allocations:      116738
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    51714
          Total APNIC prefixes after maximum aggregation:               20427
          APNIC Deaggregation factor:                                    2.53
      Prefixes being announced from the APNIC address blocks:           48661
          Unique aggregates announced from the APNIC address blocks:    21409
      APNIC Region origin ASes present in the Internet Routing Table:    2962
          APNIC Prefixes per ASN:                                       16.43
      APNIC Region origin ASes announcing only one prefix:                791
      APNIC Region transit ASes present in the Internet Routing Table:    451
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              298436000
          Equivalent to 17 /8s, 201 /16s and 197 /24s
          Percentage of available APNIC address space announced:         73.9
      
      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, 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:                    106833
          Total ARIN prefixes after maximum aggregation:                62334
          ARIN Deaggregation factor:                                     1.71
      Prefixes being announced from the ARIN address blocks:            78682
          Unique aggregates announced from the ARIN address blocks:     30928
      ARIN Region origin ASes present in the Internet Routing Table:    11618
          ARIN Prefixes per ASN:                                         6.77
      ARIN Region origin ASes announcing only one prefix:                4471
      ARIN Region transit ASes present in the Internet Routing Table:    1061
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               335300224
          Equivalent to 19 /8s, 252 /16s and 70 /24s
          Percentage of available ARIN address space announced:          74.0
      
      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:                     46534
          Total RIPE prefixes after maximum aggregation:                30344
          RIPE Deaggregation factor:                                     1.53
      Prefixes being announced from the RIPE address blocks:            43034
          Unique aggregates announced from the RIPE address blocks:     28611
      RIPE Region origin ASes present in the Internet Routing Table:     9746
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5161
      RIPE Region transit ASes present in the Internet Routing Table:    1569
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               314733568
          Equivalent to 18 /8s, 194 /16s and 116 /24s
          Percentage of available RIPE address space announced:          78.2
      
      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, 80/5, 88/6, 92/7, 193/8, 194/7,
                             212/7 and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   14925
          Total LACNIC prefixes after maximum aggregation:               4236
          LACNIC Deaggregation factor:                                   3.52
      Prefixes being announced from the LACNIC address blocks:          12986
          Unique aggregates announced from the LACNIC address blocks:    7330
      LACNIC Region origin ASes present in the Internet Routing Table:    801
          LACNIC Prefixes per ASN:                                      16.21
      LACNIC Region origin ASes announcing only one prefix:               257
      LACNIC Region transit ASes present in the Internet Routing Table:   142
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              39263744
          Equivalent to 2 /8s, 87 /16s and 30 /24s
          Percentage of available LACNIC address space announced:        58.5
      
      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:                   2574
          Total AfriNIC prefixes after maximum aggregation:              1006
          AfriNIC Deaggregation factor:                                  2.56
      Prefixes being announced from the AfriNIC address blocks:          1979
          Unique aggregates announced from the AfriNIC address blocks:   1198
      AfriNIC Region origin ASes present in the Internet Routing Table:   191
          AfriNIC Prefixes per ASN:                                     10.36
      AfriNIC Region origin ASes announcing only one prefix:               57
      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:              6224640
          Equivalent to 0 /8s, 94 /16s and 251 /24s
          Percentage of available AfriNIC address space announced:       18.6
      
      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     1290       9977         280   CHINANET-BACKBONE
       4755     1230        382          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1094         78         396   Sify Limited
       9498     1000        469          69   BHARTI BT INTERNET LTD.
       4766      786       4943         312   Korea Telecom (KIX)
      23577      778         35         705   Korea Telecom (ATM-MPLS)
      17488      699         46          40   Hathway IP Over Cable Interne
       7545      630        142          81   TPG Internet Pty Ltd
      18101      556        117          35   Reliance Infocom Ltd Internet
       1221      547       1954         423   Telstra Pty Ltd
       4668      508         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       4812      466        843          80   China Telecom (Shanghai)
       9443      465        121          77   Primus Telecommunications
       7474      410        218         269   SingTel Optus Pty Ltd
       4802      406         86         145   Wantree Development
       9829      363        258          15   BSNL National Internet Backbo
       2907      360       1700         302   SINET Japan
      17557      358         41         172   Pakistan Telecom
       4837      349       4805         163   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1502       6128         992   AT&T WorldNet Services
       4323     1273       1034         370   Time Warner Telecom
       2386     1148        597         757   AT&T Data Communications Serv
       6478     1103        362         150   AT&T Worldnet Services 
      11492     1075        105          23   Cable One 
       6197     1026        706         509   BellSouth Network Solutions, 
      18566     1010        288           9   Covad Communications 
        174      957       6777         868   Cogent Communications
        701      950       6598         730   UUNET Technologies, Inc. 
       1239      809       2731         575   Sprint 
       7011      804        229         484   Citizens Utilities 
      20115      801        726         427   Charter Communications 
      19262      775       2694         206   Verizon Global Networks 
        209      744       3834         578   Qwest 
      22773      720       1892          44   Cox Communications, Inc.
       5668      604        160          17   CenturyTel Internet Holdings,
       7385      604        171         471   Linkport Communications 
       7029      596        488          80   Alltel Information Services, 
        852      589       1090         371   Telus Advanced Communications
        855      572        253          71   Canadian Research Network 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      516       1938         407   UUNET - Commercial IP service
       2119      507        918         379   Telenor Internet Access
      24863      351         56          35   LINKdotNET AS number
       3301      311       1455         290   TeliaNet Sweden
       3320      305       6018         255   Deutsche Telekom AG
       6746      280        129         256   Dynamic Network Technologies,
        680      261       2044         252   DFN-IP service G-WiN
       3215      249       2296          95   France Telecom Transpac
       8220      249        444         241   COLT Telecommunications
       8708      237        416         230   Romania Data Systems S.A.
       5089      221       1658          53   NTL Group Limited
       3269      216       2647          74   TELECOM ITALIA
       3352      216       1864          37   Ibernet, Internet Access Netw
       9121      209       1441          24   TTnet Autonomous System
       8551      207        197          27   Bezeq International
       9116      199        136          25   Goldenlines main autonomous s
       1257      198       1196         176   SWIPnet Swedish IP Network
       3246      193        331         183   Song Networks
      12479      187        578           6   Uni2 Autonomous System
      30890      183         14          92   SC Kappa Invexim SRL
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      826       1855         210   UniNet S.A. de C.V. 
      11830      483        299          19   Instituto Costarricense de El
      11172      368        116          63   Servicios Alestra S.A de C.V 
      22047      315        238          12   VTR PUNTO NET S.A. 
       7303      292        143          30   Telecom Argentina Stet-France
       6471      268         74          32   ENTEL CHILE S.A. 
      14117      253         19          15   Telefonica del Sur S.A. 
      16814      249         21          18   NSS, S.A. 
      11556      231        128           4   Cable-Wireless Panama 
       6147      224        170          26   Telefonica Del Peru 
       6503      213        188          84   AVANTEL, S.A. 
      20299      195         23          12   NEWCOM AMERICAS 
      10620      191         54          19   TVCABLE BOGOTA 
      10481      181         72           8   Prima S.A. 
      14522      167         27           8   SatNet S.A. 
       7910      157         11          31   ANDINET ON LINE 
      23216      157         19          42   RAMtelecom Telecomunicaciones
      21826      155         27          60   INTERCABLE 
      19429      152         79          41   E.T.B. 
       7738      146        474          22   Telecomunicacoes da Bahia S.A
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      279        866         220   The Internet Solution 
       8452      228        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      136        301         111   Tertiary Education Network 
      15475      136         84           4   Nile Online
       5536      123          8          15   Internet Egypt Network
      33783      119          8           9   EEPAD TISP TELECOM & INTERNET
      24835       85         48           6   RAYA Telecom - Egypt
       2905       77        174          73   The Internetworking Company o
       2561       61          6           2   Egyptian Universities Network
      15706       56         12           4   Sudatel Internet Exchange Aut
      23889       48         16          13   MAURITIUS TELECOM
       5713       44        294          34   Telkom SA Ltd 
      33774       43         29          24   AS Number for Telecom Algeria
      16637       37         21          29   Johnnic e-Ventures 
       8524       32          2           8   AUCEGYPT Autonomous System
      33776       30          2           7   Starcomms Nigeria Limited
      21280       27          4           4   Swift Global Kenya Ltd.Is an 
      12455       26          6           3   Jambonet Autonomous system
      10798       24          2          15   Standard Bank of South Africa
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1230        1159      Videsh Sanchar Nigam Ltd. Aut
      11492      1075        1052      Cable One 
       4134      1290        1010      CHINANET-BACKBONE
      18566      1010        1001      Covad Communications 
       6478      1103         953      AT&T Worldnet Services 
       9498      1000         931      BHARTI BT INTERNET LTD.
       4323      1273         903      Time Warner Telecom
       9583      1094         698      Sify Limited
      22773       720         676      Cox Communications, Inc.
      17488       699         659      Hathway IP Over Cable Interne
       8151       826         616      UniNet S.A. de C.V. 
       5668       604         587      CenturyTel Internet Holdings,
      19262       775         569      Verizon Global Networks 
       7545       630         549      TPG Internet Pty Ltd
      18101       556         521      Reliance Infocom Ltd Internet
       6197      1026         517      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
       7029       596         516      Alltel Information Services, 
      15270       544         509      PaeTec.net -a division of Pae
        855       572         501      Canadian Research Network 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65019   PRIVATE       63.138.117.0/24      19034       Norcom Networks Corp
      65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
      65001   PRIVATE       82.213.31.0/24       12975       PALTEL Autonomous Sy
      64512   PRIVATE       193.224.185.0/24      2547       Budapest University 
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia Business So
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      7.1.1.0/24            1239     Sprint 
      94.110.196.0/24      21161     Bechtle Autonomous System
      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       /10:15      /11:34      /12:126     
      /13:245     /14:458     /15:885     /16:9442    /17:3995    /18:6416    
      /19:13601   /20:15697   /21:14128   /22:18421   /23:19542   /24:117353  
      /25:797     /26:826     /27:477     /28:69      /29:10      /30:13      
      /31:0       /32:12      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1093          1103      AT&T Worldnet Services 
      11492     1066          1075      Cable One 
      18566      992          1010      Covad Communications 
       9583      935          1094      Sify Limited
       2386      849          1148      AT&T Data Communications Serv
       7018      814          1502      AT&T WorldNet Services
       6197      780          1026      BellSouth Network Solutions, 
      23577      764           778      Korea Telecom (ATM-MPLS)
       7011      705           804      Citizens Utilities 
       9498      669          1000      BHARTI BT INTERNET LTD.
       4755      626          1230      Videsh Sanchar Nigam Ltd. Aut
       4766      593           786      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      520          1273      Time Warner Telecom
      17488      520           699      Hathway IP Over Cable Interne
      15270      511           544      PaeTec.net -a division of Pae
       4668      498           508      LG-EDS Systems Inc.
      18101      472           556      Reliance Infocom Ltd Internet
        855      470           572      Canadian Research Network 
       5668      469           604      CenturyTel Internet Holdings,
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         7:1         8:81        9:1        12:1811     15:19     
        16:3        17:3        18:8        20:38       24:922      25:1      
        32:51       33:2        38:319      40:61       41:156      44:2      
        47:5        52:4        55:3        56:3        57:24       58:417    
        59:403      60:302      61:971      62:924      63:1977     64:3118   
        65:2357     66:3244     67:790      68:629      69:1874     70:517    
        71:108      72:1335     73:1        74:501      75:261      76:51     
        77:235      78:2        80:824      81:805      82:657      83:380    
        84:419      85:819      86:341      87:466      88:276      89:896    
        90:7        91:354      94:1        97:6        98:3       116:111    
       117:32      121:160     122:540     123:109     124:823     125:943    
       128:281     129:225     130:134     131:367     132:52      133:9      
       134:193     135:38      136:185     137:81      138:142     139:70     
       140:480     141:170     142:373     143:233     144:292     145:43     
       146:319     147:122     148:399     149:143     150:137     151:158    
       152:92      153:125     154:4       155:254     156:152     157:186    
       158:158     159:158     160:107     161:92      162:228     163:184    
       164:450     165:399     166:241     167:285     168:506     169:120    
       170:403     171:16      172:1       189:59      190:642     192:5774   
       193:3890    194:3142    195:2234    196:916     198:3759    199:3285   
       200:4797    201:994     202:7340    203:7511    204:3971    205:2029   
       206:2331    207:2842    208:2709    209:3577    210:2469    211:967    
       212:1309    213:1474    214:415     215:40      216:4041    217:1147   
       218:354     219:381     220:963     221:406     222:262    
      
      End of report