[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, 1 Sep 2007 04:12:25 +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 01 Sep, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/09/01/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              229742
          Prefixes after maximum aggregation:                          119898
          Deaggregation factor:                                          1.92
          Unique aggregates announced to Internet:                     110820
      Total ASes present in the Internet Routing Table:                 26109
          Prefixes per ASN:                                              8.80
      Origin-only ASes present in the Internet Routing Table:           22732
      Origin ASes announcing only one prefix:                           11081
      Transit ASes present in the Internet Routing Table:                3377
      Transit-only ASes present in the Internet Routing Table:             77
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      20
          Max AS path prepend of ASN (35389)                               16
      Prefixes from unregistered ASNs in the Routing Table:                10
          Unregistered ASNs in the Routing Table:                           6
      Prefixes from 32-bit ASNs in the Routing Table:                       6
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             11
      Number of addresses announced to Internet:                   1756836704
          Equivalent to 104 /8s, 183 /16s and 51 /24s
          Percentage of available address space announced:               47.4
          Percentage of allocated address space announced:               62.1
          Percentage of available address space allocated:               76.4
      Total number of prefixes smaller than registry allocations:      121719
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    53719
          Total APNIC prefixes after maximum aggregation:               20575
          APNIC Deaggregation factor:                                    2.61
      Prefixes being announced from the APNIC address blocks:           50635
          Unique aggregates announced from the APNIC address blocks:    21459
      APNIC Region origin ASes present in the Internet Routing Table:    3046
          APNIC Prefixes per ASN:                                       16.62
      APNIC Region origin ASes announcing only one prefix:                809
      APNIC Region transit ASes present in the Internet Routing Table:    467
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              313653792
          Equivalent to 18 /8s, 177 /16s and 250 /24s
          Percentage of available APNIC address space announced:         77.7
      
      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:                    108857
          Total ARIN prefixes after maximum aggregation:                62963
          ARIN Deaggregation factor:                                     1.73
      Prefixes being announced from the ARIN address blocks:            80198
          Unique aggregates announced from the ARIN address blocks:     31899
      ARIN Region origin ASes present in the Internet Routing Table:    11791
          ARIN Prefixes per ASN:                                         6.80
      ARIN Region origin ASes announcing only one prefix:                4522
      ARIN Region transit ASes present in the Internet Routing Table:    1091
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          14
      Number of ARIN addresses announced to Internet:               343064576
          Equivalent to 20 /8s, 114 /16s and 192 /24s
          Percentage of available ARIN address space announced:          75.7
      
      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:                     48026
          Total RIPE prefixes after maximum aggregation:                30905
          RIPE Deaggregation factor:                                     1.55
      Prefixes being announced from the RIPE address blocks:            44417
          Unique aggregates announced from the RIPE address blocks:     29477
      RIPE Region origin ASes present in the Internet Routing Table:    10130
          RIPE Prefixes per ASN:                                         4.38
      RIPE Region origin ASes announcing only one prefix:                5399
      RIPE Region transit ASes present in the Internet Routing Table:    1605
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               325697152
          Equivalent to 19 /8s, 105 /16s and 190 /24s
          Percentage of available RIPE address space announced:          74.7
      
      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:                   16441
          Total LACNIC prefixes after maximum aggregation:               4422
          LACNIC Deaggregation factor:                                   3.72
      Prefixes being announced from the LACNIC address blocks:          14536
          Unique aggregates announced from the LACNIC address blocks:    7794
      LACNIC Region origin ASes present in the Internet Routing Table:    858
          LACNIC Prefixes per ASN:                                      16.94
      LACNIC Region origin ASes announcing only one prefix:               282
      LACNIC Region transit ASes present in the Internet Routing Table:   144
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              42168064
          Equivalent to 2 /8s, 131 /16s and 111 /24s
          Percentage of available LACNIC address space announced:        62.8
      
      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:                   2683
          Total AfriNIC prefixes after maximum aggregation:              1021
          AfriNIC Deaggregation factor:                                  2.63
      Prefixes being announced from the AfriNIC address blocks:          2261
          Unique aggregates announced from the AfriNIC address blocks:   1335
      AfriNIC Region origin ASes present in the Internet Routing Table:   206
          AfriNIC Prefixes per ASN:                                     10.98
      AfriNIC Region origin ASes announcing only one prefix:               69
      AfriNIC Region transit ASes present in the Internet Routing Table:   36
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              7426304
          Equivalent to 0 /8s, 113 /16s and 81 /24s
          Percentage of available AfriNIC address space announced:       22.1
      
      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     1345        383          74   Videsh Sanchar Nigam Ltd. Aut
       9583     1134        100         106   Sify Limited
       4134     1071      11178         289   CHINANET-BACKBONE
       9498      997        532          66   BHARTI BT INTERNET LTD.
       4766      803       5441         319   Korea Telecom (KIX)
      17488      796         52          55   Hathway IP Over Cable Interne
      23577      786         34         682   Korea Telecom (ATM-MPLS)
       7545      729        159         121   TPG Internet Pty Ltd
      18101      595        119          50   Reliance Infocom Ltd Internet
       4812      547        968          96   China Telecom (Shanghai)
       1221      542       1951         424   Telstra Pty Ltd
       4668      516         68          10   LG-EDS Systems Inc.
      17676      503      10919          64   Softbank BB Corp.
       4808      483        779         114   CNCGROUP IP network: China169
       9443      464        122          77   Primus Telecommunications
       4802      432        116         158   Wantree Development
       7474      378        216         267   SingTel Optus Pty Ltd
      17974      373        130          13   PT TELEKOMUNIKASI INDONESIA
       4837      366       5104         167   chinanet IDC center beijing n
       9829      363        258          14   BSNL National Internet Backbo
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1475       6074         993   AT&T WorldNet Services
       4323     1324        992         373   Time Warner Telecom
       2386     1214        618         748   AT&T Data Communications Serv
      11492     1137        110          11   Cable One 
       6478     1132        324         169   AT&T Worldnet Services 
       6197     1028        718         511   BellSouth Network Solutions, 
      18566     1022        288           9   Covad Communications 
        174      975       6780         863   Cogent Communications
        701      938       6577         716   UUNET Technologies, Inc. 
       7011      919        278         549   Citizens Utilities 
      20115      817        751         436   Charter Communications 
       1239      802       2718         563   Sprint 
      19262      775       2745         184   Verizon Global Networks 
      22773      762       2149          50   Cox Communications, Inc.
        209      739       3836         584   Qwest 
       5668      657        176          23   CenturyTel Internet Holdings,
       6517      590        165          37   Yipes Communications, Inc. 
       3356      587      10811         344   Level 3 Communications, LLC 
        852      576       1095         361   Telus Advanced Communications
      15270      574        160          38   PaeTec.net -a division of Pae
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      492       1923         394   UUNET - Commercial IP service
      24863      367         57          40   LINKdotNET AS number
       9116      346        168          26   Goldenlines main autonomous s
       3301      314       1456         294   TeliaNet Sweden
       3320      314       6035         261   Deutsche Telekom AG
       6746      287        130         263   Dynamic Network Technologies,
        680      269       2045         257   DFN-IP service G-WiN
       8708      262        420         241   Romania Data Systems S.A.
       8220      260        445         243   COLT Telecommunications
       3215      258       2424          98   France Telecom Transpac
       8551      248        244          28   Bezeq International
       3352      227       1868          38   Ibernet, Internet Access Netw
       5089      222       1658          54   NTL Group Limited
       3269      221       2775          73   TELECOM ITALIA
       9121      214       1441          24   TTnet Autonomous System
       3292      195       1379         175   TDC Tele Danmark
       1257      192       1195         170   SWIPnet Swedish IP Network
       3300      192        172          92   AUCS Communications Services 
      12479      192        578           6   Uni2 Autonomous System
       3246      187        253         177   Song Networks
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      904       1974         205   UniNet S.A. de C.V. 
      11830      517        299           9   Instituto Costarricense de El
      16814      426         26           9   NSS, S.A. 
      11172      371        114          57   Servicios Alestra S.A de C.V 
       7303      339        177          45   Telecom Argentina Stet-France
      14522      333         28           7   SatNet S.A. 
       6471      322         75          33   ENTEL CHILE S.A. 
      22047      318        246          13   VTR PUNTO NET S.A. 
      14117      281         19          15   Telefonica del Sur S.A. 
      10481      278        104           9   Prima S.A. 
      11556      235        128           3   Cable-Wireless Panama 
       6147      227        178          24   Telefonica Del Peru 
      10620      223         62          23   TVCABLE BOGOTA 
       6503      201        170          82   AVANTEL, S.A. 
      23216      196         16          44   RAMtelecom Telecomunicaciones
      20299      180         25          31   NEWCOM AMERICAS 
       8163      177         11           6   METROTEL REDES S.A. 
       7738      169        506          23   Telecomunicacoes da Bahia S.A
      21826      168         30          59   INTERCABLE 
      19169      165         12          17   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      283        868         224   The Internet Solution 
       8452      222        188           7   TEDATA
       2018      148        301         115   Tertiary Education Network 
       6713      142        135          11   Itissalat Al-MAGHRIB
      33783      126          8          11   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       75         84           4   Nile Online
       2905       74        174          71   The Internetworking Company o
      23889       69         24          15   MAURITIUS TELECOM
       2561       62          6           2   Egyptian Universities Network
      33774       47         29          25   AS Number for Telecom Algeria
       5713       46        294          36   Telkom SA Ltd 
      16637       46         21          29   Johnnic e-Ventures 
       8524       31          2          10   AUCEGYPT Autonomous System
      12455       29          6           3   Jambonet Autonomous system
      21280       29          4           4   Swift Global Kenya Ltd.Is an 
      10798       27         16           1   Standard Bank of South Africa
      21491       24         17           2   UTL On-line is RF broadband I
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1345        1271      Videsh Sanchar Nigam Ltd. Aut
      11492      1137        1126      Cable One 
       9583      1134        1028      Sify Limited
      18566      1022        1013      Covad Communications 
       6478      1132         963      AT&T Worldnet Services 
       4323      1324         951      Time Warner Telecom
       9498       997         931      BHARTI BT INTERNET LTD.
       4134      1071         782      CHINANET-BACKBONE
      17488       796         741      Hathway IP Over Cable Interne
      22773       762         712      Cox Communications, Inc.
       8151       904         699      UniNet S.A. de C.V. 
       5668       657         634      CenturyTel Internet Holdings,
       7545       729         608      TPG Internet Pty Ltd
      19262       775         591      Verizon Global Networks 
       6517       590         553      Yipes Communications, Inc. 
      18101       595         545      Reliance Infocom Ltd Internet
      15270       574         536      PaeTec.net -a division of Pae
       6197      1028         517      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
      11830       517         508      Instituto Costarricense de El
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64250   RESERVED      122.171.0.0/24        9498       BHARTI BT INTERNET L
      64250   RESERVED      122.171.1.0/24        9498       BHARTI BT INTERNET L
      64586   PRIVATE       192.170.73.0/24       4845       Chung Hsiao East Roa
      64501   RESERVED      195.189.160.0/24     35041       Crystone Autonomous 
      64586   PRIVATE       202.165.137.0/24      4845       Chung Hsiao East Roa
      64586   PRIVATE       202.165.140.0/24      4845       Chung Hsiao East Roa
      64586   PRIVATE       202.165.141.0/24      4845       Chung Hsiao East Roa
      64586   PRIVATE       202.165.142.0/24      4845       Chung Hsiao East Roa
      64586   PRIVATE       202.165.143.0/24      4845       Chung Hsiao East Roa
      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      /11:38      /12:134     
      /13:260     /14:471     /15:919     /16:9620    /17:4069    /18:6596    
      /19:13963   /20:16197   /21:14868   /22:19127   /23:20067   /24:120967  
      /25:772     /26:1030    /27:505     /28:84      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1131          1132      AT&T Worldnet Services 
      11492     1129          1137      Cable One 
      18566     1004          1022      Covad Communications 
       9583      968          1134      Sify Limited
       2386      907          1214      AT&T Data Communications Serv
       7018      816          1475      AT&T WorldNet Services
       7011      813           919      Citizens Utilities 
       6197      781          1028      BellSouth Network Solutions, 
      23577      777           786      Korea Telecom (ATM-MPLS)
       4755      727          1345      Videsh Sanchar Nigam Ltd. Aut
       9498      669           997      BHARTI BT INTERNET LTD.
      17488      619           796      Hathway IP Over Cable Interne
       4766      601           803      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      557          1324      Time Warner Telecom
       6517      556           590      Yipes Communications, Inc. 
      15270      538           574      PaeTec.net -a division of Pae
       5668      522           657      CenturyTel Internet Holdings,
       4668      506           516      LG-EDS Systems Inc.
      18101      500           595      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:86       12:1810     13:1        15:19     
        16:3        17:3        18:13       20:36       24:967      25:1      
        32:56       33:3        38:349      40:60       41:321      44:2      
        47:4        52:4        55:3        56:3        57:25       58:471    
        59:386      60:367      61:1016     62:927      63:2002     64:3189   
        65:2369     66:3402     67:804      68:658      69:1969     70:448    
        71:105      72:1396     73:2        74:642      75:262      76:128    
        77:330      78:48       80:826      81:826      82:576      83:357    
        84:607      85:805      86:340      87:488      88:279      89:973    
        90:25       91:522      97:5       116:315     117:154     118:9      
       121:270     122:595     123:170     124:644     125:988     128:274    
       129:216     130:139     131:363     132:55      133:9       134:197    
       135:34      136:189     137:81      138:153     139:72      140:499    
       141:173     142:379     143:255     144:299     145:46      146:329    
       147:123     148:412     149:148     150:110     151:159     152:87     
       153:119     154:3       155:260     156:160     157:214     158:158    
       159:171     160:113     161:96      162:175     163:180     164:476    
       165:394     166:275     167:297     168:515     169:123     170:387    
       171:22      172:2       189:71      190:1005    192:5742    193:3972   
       194:3191    195:2296    196:974     198:3823    199:3283    200:5094   
       201:1184    202:7371    203:7710    204:3928    205:1972    206:2418   
       207:2840    208:2815    209:3479    210:2458    211:1087    212:1314   
       213:1482    214:413     215:41      216:3987    217:1191    218:325    
       219:382     220:1028    221:415     222:262    
      
      End of report