[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: Sun, 9 Sep 2007 11:09:17 +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 08 Sep, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/09/08/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              230454
          Prefixes after maximum aggregation:                          120354
          Deaggregation factor:                                          1.91
          Unique aggregates announced to Internet:                     112054
      Total ASes present in the Internet Routing Table:                 26139
          Prefixes per ASN:                                              8.82
      Origin-only ASes present in the Internet Routing Table:           22752
      Origin ASes announcing only one prefix:                           11073
      Transit ASes present in the Internet Routing Table:                3387
      Transit-only ASes present in the Internet Routing Table:             78
      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:                 7
          Unregistered ASNs in the Routing Table:                           4
      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:                   1758100960
          Equivalent to 104 /8s, 202 /16s and 125 /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:      122119
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    53790
          Total APNIC prefixes after maximum aggregation:               20883
          APNIC Deaggregation factor:                                    2.58
      Prefixes being announced from the APNIC address blocks:           50711
          Unique aggregates announced from the APNIC address blocks:    22504
      APNIC Region origin ASes present in the Internet Routing Table:    3050
          APNIC Prefixes per ASN:                                       16.63
      APNIC Region origin ASes announcing only one prefix:                808
      APNIC Region transit ASes present in the Internet Routing Table:    467
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              313634464
          Equivalent to 18 /8s, 177 /16s and 174 /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:                    108969
          Total ARIN prefixes after maximum aggregation:                63005
          ARIN Deaggregation factor:                                     1.73
      Prefixes being announced from the ARIN address blocks:            80277
          Unique aggregates announced from the ARIN address blocks:     31941
      ARIN Region origin ASes present in the Internet Routing Table:    11796
          ARIN Prefixes per ASN:                                         6.81
      ARIN Region origin ASes announcing only one prefix:                4510
      ARIN Region transit ASes present in the Internet Routing Table:    1093
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               343819008
          Equivalent to 20 /8s, 126 /16s and 67 /24s
          Percentage of available ARIN address space announced:          75.9
      
      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:                     48202
          Total RIPE prefixes after maximum aggregation:                30972
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            44618
          Unique aggregates announced from the RIPE address blocks:     29529
      RIPE Region origin ASes present in the Internet Routing Table:    10148
          RIPE Prefixes per ASN:                                         4.40
      RIPE Region origin ASes announcing only one prefix:                5407
      RIPE Region transit ASes present in the Internet Routing Table:    1613
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               326484864
          Equivalent to 19 /8s, 117 /16s and 195 /24s
          Percentage of available RIPE address space announced:          74.8
      
      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:                   16740
          Total LACNIC prefixes after maximum aggregation:               4459
          LACNIC Deaggregation factor:                                   3.75
      Prefixes being announced from the LACNIC address blocks:          14847
          Unique aggregates announced from the LACNIC address blocks:    7851
      LACNIC Region origin ASes present in the Internet Routing Table:    862
          LACNIC Prefixes per ASN:                                      17.22
      LACNIC Region origin ASes announcing only one prefix:               281
      LACNIC Region transit ASes present in the Internet Routing Table:   145
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              42186752
          Equivalent to 2 /8s, 131 /16s and 184 /24s
          Percentage of available LACNIC address space announced:        62.9
      
      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:                   2740
          Total AfriNIC prefixes after maximum aggregation:              1023
          AfriNIC Deaggregation factor:                                  2.68
      Prefixes being announced from the AfriNIC address blocks:          2297
          Unique aggregates announced from the AfriNIC address blocks:   1333
      AfriNIC Region origin ASes present in the Internet Routing Table:   204
          AfriNIC Prefixes per ASN:                                     11.26
      AfriNIC Region origin ASes announcing only one prefix:               67
      AfriNIC Region transit ASes present in the Internet Routing Table:   35
      Average AfriNIC Region AS path length visible:                      4.1
          Max AfriNIC Region AS path length visible:                       20
      Number of AfriNIC addresses announced to Internet:              7461888
          Equivalent to 0 /8s, 113 /16s and 220 /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     1352        383          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1124         81         409   Sify Limited
       4134     1076      11228         293   CHINANET-BACKBONE
       9498      999        532          64   BHARTI BT INTERNET LTD.
       4766      808       5441         320   Korea Telecom (KIX)
      17488      796         52          55   Hathway IP Over Cable Interne
      23577      785         34         683   Korea Telecom (ATM-MPLS)
       7545      724        159         121   TPG Internet Pty Ltd
      18101      595        119          50   Reliance Infocom Ltd Internet
       4812      550        971          98   China Telecom (Shanghai)
       1221      534       1950         415   Telstra Pty Ltd
       4668      516         68          10   LG-EDS Systems Inc.
      17676      502      10903          63   Softbank BB Corp.
       9443      468        122          77   Primus Telecommunications
       4808      467        777         114   CNCGROUP IP network: China169
       4802      438        117         154   Wantree Development
       7474      378        216         266   SingTel Optus Pty Ltd
      17974      376        130          13   PT TELEKOMUNIKASI INDONESIA
       4837      366       5104         167   chinanet IDC center beijing n
       9829      359        257          10   BSNL National Internet Backbo
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1478       6075         996   AT&T WorldNet Services
       4323     1322        991         372   Time Warner Telecom
       2386     1215        637         736   AT&T Data Communications Serv
      11492     1140        111          12   Cable One 
       6478     1132        325         169   AT&T Worldnet Services 
       6197     1029        718         509   BellSouth Network Solutions, 
      18566     1023        288           9   Covad Communications 
        174      971       6780         860   Cogent Communications
        701      939       6577         716   UUNET Technologies, Inc. 
       7011      921        278         550   Citizens Utilities 
      20115      817        751         436   Charter Communications 
       1239      803       2719         565   Sprint 
      19262      774       2745         183   Verizon Global Networks 
      22773      765       2149          50   Cox Communications, Inc.
        209      746       3836         586   Qwest 
       5668      658        176          23   CenturyTel Internet Holdings,
       3356      618      10812         353   Level 3 Communications, LLC 
       6517      595        165          37   Yipes Communications, Inc. 
        852      575       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      493       1923         395   UUNET - Commercial IP service
      24863      367         57          40   LINKdotNET AS number
       9116      351        168          26   Goldenlines main autonomous s
       3320      315       6035         262   Deutsche Telekom AG
       3301      314       1456         294   TeliaNet Sweden
       6746      289        130         265   Dynamic Network Technologies,
        680      267       2045         257   DFN-IP service G-WiN
       8551      265        252          37   Bezeq International
       8708      262        420         241   Romania Data Systems S.A.
       3215      258       2424          98   France Telecom Transpac
       8220      256        444         239   COLT Telecommunications
       3352      227       1865          38   Ibernet, Internet Access Netw
       5089      224       1658          54   NTL Group Limited
       3269      223       2839          73   TELECOM ITALIA
       9121      214       1441          24   TTnet Autonomous System
       3292      196       1379         176   TDC Tele Danmark
      12479      193        578           6   Uni2 Autonomous System
       1257      192       1195         170   SWIPnet Swedish IP Network
       3300      192        172          92   AUCS Communications Services 
      20858      186         34           3   EgyNet
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      902       1970         214   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      340        162          49   Telecom Argentina Stet-France
       6471      330         75          33   ENTEL CHILE S.A. 
      14522      327         28           7   SatNet S.A. 
      22047      317        246          13   VTR PUNTO NET S.A. 
      14117      281         19          15   Telefonica del Sur S.A. 
      10481      278        104           9   Prima S.A. 
      11664      271         30          13   Keytech SA 
      11556      235        128           3   Cable-Wireless Panama 
      10620      234         65          21   TVCABLE BOGOTA 
       6147      228        178          24   Telefonica Del Peru 
       6503      201        170          82   AVANTEL, S.A. 
      23216      196         17          46   RAMtelecom Telecomunicaciones
      20299      180         25          31   NEWCOM AMERICAS 
       8163      177         11           6   METROTEL REDES S.A. 
      21826      171         30          58   INTERCABLE 
       7738      169        506          23   Telecomunicacoes da Bahia S.A
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      286        870         226   The Internet Solution 
       8452      219        188           7   TEDATA
       2018      149        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       76         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
      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 
       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
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1352        1281      Videsh Sanchar Nigam Ltd. Aut
      11492      1140        1128      Cable One 
      18566      1023        1014      Covad Communications 
       6478      1132         963      AT&T Worldnet Services 
       4323      1322         950      Time Warner Telecom
       9498       999         935      BHARTI BT INTERNET LTD.
       4134      1076         783      CHINANET-BACKBONE
      17488       796         741      Hathway IP Over Cable Interne
       9583      1124         715      Sify Limited
      22773       765         715      Cox Communications, Inc.
       8151       902         688      UniNet S.A. de C.V. 
       5668       658         635      CenturyTel Internet Holdings,
       7545       724         603      TPG Internet Pty Ltd
      19262       774         591      Verizon Global Networks 
       6517       595         558      Yipes Communications, Inc. 
      18101       595         545      Reliance Infocom Ltd Internet
      15270       574         536      PaeTec.net -a division of Pae
       6197      1029         520      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
      64586   PRIVATE       192.170.73.0/24       4845       Chung Hsiao East Roa
      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      /11:37      /12:134     
      /13:261     /14:472     /15:921     /16:9616    /17:4074    /18:6613    
      /19:13985   /20:16226   /21:14904   /22:19174   /23:20080   /24:121504  
      /25:772     /26:1032    /27:507     /28:87      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1132          1140      Cable One 
       6478     1131          1132      AT&T Worldnet Services 
      18566     1005          1023      Covad Communications 
       9583      966          1124      Sify Limited
       2386      906          1215      AT&T Data Communications Serv
       7018      819          1478      AT&T WorldNet Services
       7011      814           921      Citizens Utilities 
       6197      782          1029      BellSouth Network Solutions, 
      23577      776           785      Korea Telecom (ATM-MPLS)
       4755      736          1352      Videsh Sanchar Nigam Ltd. Aut
       9498      671           999      BHARTI BT INTERNET LTD.
      17488      619           796      Hathway IP Over Cable Interne
       4766      606           808      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       6517      561           595      Yipes Communications, Inc. 
       4323      555          1322      Time Warner Telecom
      15270      538           574      PaeTec.net -a division of Pae
       5668      523           658      CenturyTel Internet Holdings,
       4668      506           516      LG-EDS Systems Inc.
      18101      501           595      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:86       12:1804     13:1        15:19     
        16:3        17:3        18:13       20:36       24:967      25:1      
        32:56       33:3        38:346      40:60       41:321      44:2      
        47:4        52:4        55:3        56:3        57:24       58:473    
        59:392      60:367      61:1015     62:931      63:2005     64:3185   
        65:2370     66:3408     67:797      68:659      69:1974     70:444    
        71:105      72:1413     73:1        74:641      75:259      76:129    
        77:339      78:54       80:831      81:826      82:576      83:385    
        84:617      85:820      86:339      87:481      88:278      89:987    
        90:24       91:533      97:6        98:2       116:316     117:178    
       118:17      121:277     122:599     123:175     124:674     125:985    
       128:270     129:216     130:139     131:363     132:55      133:9      
       134:197     135:34      136:190     137:82      138:153     139:73     
       140:501     141:174     142:382     143:255     144:300     145:46     
       146:331     147:122     148:409     149:148     150:111     151:159    
       152:87      153:119     154:3       155:259     156:162     157:217    
       158:158     159:173     160:118     161:97      162:174     163:181    
       164:481     165:393     166:277     167:300     168:515     169:122    
       170:388     171:22      172:2       189:74      190:1083    192:5745   
       193:3982    194:3187    195:2288    196:975     198:3826    199:3286   
       200:5265    201:1188    202:7375    203:7707    204:3930    205:1967   
       206:2414    207:2882    208:2821    209:3495    210:2460    211:1084   
       212:1328    213:1476    214:415     215:41      216:3988    217:1197   
       218:328     219:382     220:1021    221:406     222:266    
      
      End of report