[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 18 Oct 2008 04:10:14 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 18 Oct, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              271514
          Prefixes after maximum aggregation:                          130898
          Deaggregation factor:                                          2.07
          Unique aggregates announced to Internet:                     131783
      Total ASes present in the Internet Routing Table:                 29518
          Prefixes per ASN:                                              9.20
      Origin-only ASes present in the Internet Routing Table:           25695
      Origin ASes announcing only one prefix:                           12506
      Transit ASes present in the Internet Routing Table:                3823
      Transit-only ASes present in the Internet Routing Table:             81
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                     104
          Max AS path prepend of ASN (43413)                              100
      Prefixes from unregistered ASNs in the Routing Table:               562
          Unregistered ASNs in the Routing Table:                         201
      Number of 32-bit ASNs allocated by the RIRs:                         61
      Prefixes from 32-bit ASNs in the Routing Table:                       9
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            752
      Number of addresses announced to Internet:                   1923950912
          Equivalent to 114 /8s, 173 /16s and 41 /24s
          Percentage of available address space announced:               51.9
          Percentage of allocated address space announced:               63.0
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               73.9
      Total number of prefixes smaller than registry allocations:      133641
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    62245
          Total APNIC prefixes after maximum aggregation:               23219
          APNIC Deaggregation factor:                                    2.68
      Prefixes being announced from the APNIC address blocks:           59212
          Unique aggregates announced from the APNIC address blocks:    26686
      APNIC Region origin ASes present in the Internet Routing Table:    3404
          APNIC Prefixes per ASN:                                       17.39
      APNIC Region origin ASes announcing only one prefix:                906
      APNIC Region transit ASes present in the Internet Routing Table:    537
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              379108256
          Equivalent to 22 /8s, 152 /16s and 187 /24s
          Percentage of available APNIC address space announced:         80.7
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 112/8, 113/8, 114/8,
                             115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8,
                             122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8,
                             210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
                            
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    123346
          Total ARIN prefixes after maximum aggregation:                64844
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:            92672
          Unique aggregates announced from the ARIN address blocks:     35033
      ARIN Region origin ASes present in the Internet Routing Table:    12538
          ARIN Prefixes per ASN:                                         7.39
      ARIN Region origin ASes announcing only one prefix:                4859
      ARIN Region transit ASes present in the Internet Routing Table:    1195
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               363895840
          Equivalent to 21 /8s, 176 /16s and 156 /24s
          Percentage of available ARIN address space announced:          74.8
      
      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, 46080-47103
      ARIN Address Blocks     24/8,  63/8,  64/8,  65/8,  66/8,  67/8,  68/8,
                              69/8,  70/8,  71/8,  72/8,  73/8,  74/8,  75/8,
                              76/8,  96/8,  97/8,  98/8,  99/8, 173/8, 174/8,
                             199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     59495
          Total RIPE prefixes after maximum aggregation:                35663
          RIPE Deaggregation factor:                                     1.67
      Prefixes being announced from the RIPE address blocks:            54642
          Unique aggregates announced from the RIPE address blocks:     36307
      RIPE Region origin ASes present in the Internet Routing Table:    12030
          RIPE Prefixes per ASN:                                         4.54
      RIPE Region origin ASes announcing only one prefix:                6326
      RIPE Region transit ASes present in the Internet Routing Table:    1824
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                         104
      Number of RIPE addresses announced to Internet:               375674272
          Equivalent to 22 /8s, 100 /16s and 85 /24s
          Percentage of available RIPE address space announced:          86.1
      
      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, 47104-49151
      RIPE Address Blocks     62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   21833
          Total LACNIC prefixes after maximum aggregation:               5417
          LACNIC Deaggregation factor:                                   4.03
      Prefixes being announced from the LACNIC address blocks:          19891
          Unique aggregates announced from the LACNIC address blocks:   11115
      LACNIC Region origin ASes present in the Internet Routing Table:   1014
          LACNIC Prefixes per ASN:                                      19.62
      LACNIC Region origin ASes announcing only one prefix:               334
      LACNIC Region transit ASes present in the Internet Routing Table:   171
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              57394944
          Equivalent to 3 /8s, 107 /16s and 199 /24s
          Percentage of available LACNIC address space announced:        57.0
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   4036
          Total AfriNIC prefixes after maximum aggregation:              1316
          AfriNIC Deaggregation factor:                                  3.07
      Prefixes being announced from the AfriNIC address blocks:          4290
          Unique aggregates announced from the AfriNIC address blocks:   2100
      AfriNIC Region origin ASes present in the Internet Routing Table:   260
          AfriNIC Prefixes per ASN:                                     16.50
      AfriNIC Region origin ASes announcing only one prefix:               81
      AfriNIC Region transit ASes present in the Internet Routing Table:   52
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             12856576
          Equivalent to 0 /8s, 196 /16s and 45 /24s
          Percentage of available AfriNIC address space announced:       38.3
      
      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     1483        518         196   TATA Communications formerly 
      17488     1388         96         103   Hathway IP Over Cable Interne
       9583     1104         86         474   Sify Limited
       4766      879       6407         360   Korea Telecom (KIX)
       4134      844      13647         345   CHINANET-BACKBONE
      23577      811         34         693   Korea Telecom (ATM-MPLS)
      18101      781        161          65   Reliance Infocom Ltd Internet
       4780      717        355          62   Digital United Inc.
       9498      688        295          53   BHARTI BT INTERNET LTD.
       4808      627       1164         142   CNCGROUP IP network: China169
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4301       3416         339   bellsouth.net, inc. 
        209     3075       4033         623   Qwest 
       6298     2010        319         714   Cox Communicatons 
      20115     1925       1426         718   Charter Communications 
       1785     1678        717         155   PaeTec Communications, Inc.
       2386     1589        699         896   AT&T Data Communications Serv
       4323     1550       1083         373   Time Warner Telecom
       7018     1413       5859         984   AT&T WorldNet Services
       6478     1318        273         198   AT&T Worldnet Services 
      11492     1212        152          11   Cable One 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      434       1777         385   TDC Tele Danmark
      30890      348         94         188   SC Kappa Invexim SRL
       3215      327       2756         106   France Telecom Transpac
       3301      327       1428         298   TeliaNet Sweden
       3320      326       7063         275   Deutsche Telekom AG
       8866      326        111          23   Bulgarian Telecommunication C
       5462      301        794          27   Telewest Broadband
      25233      295         45          27   Awalnet
       8452      294        188          11   TEDATA
       8551      287        270          37   Bezeq International
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1411       2849         221   UniNet S.A. de C.V. 
      11830      669        299           9   Instituto Costarricense de El
      22047      564        270          14   VTR PUNTO NET S.A. 
      10620      505        122          61   TVCABLE BOGOTA 
       7303      493        242          69   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      419         85          48   ENTEL CHILE S.A. 
      11172      405        118          72   Servicios Alestra S.A de C.V 
      28573      349        460          23   NET Servicos de Comunicao S.A
      14117      343         23           9   Telefonica del Sur S.A. 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      544         72          40   LINKdotNET AS number
       3741      269        856         225   The Internet Solution 
       2018      233        215         139   Tertiary Education Network 
      20858      213         34           3   EgyNet
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      137         10          13   EEPAD TISP TELECOM & INTERNET
       5536      124          8          20   Internet Egypt Network
      33776      116          6           3   Starcomms Nigeria Limited
       5713      115        555          65   Telkom SA Ltd 
      29571      112         13           9   Ci Telecom Autonomous system 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4301       3416         339   bellsouth.net, inc. 
        209     3075       4033         623   Qwest 
       6298     2010        319         714   Cox Communicatons 
      20115     1925       1426         718   Charter Communications 
       1785     1678        717         155   PaeTec Communications, Inc.
       2386     1589        699         896   AT&T Data Communications Serv
       4323     1550       1083         373   Time Warner Telecom
       4755     1483        518         196   TATA Communications formerly 
       7018     1413       5859         984   AT&T WorldNet Services
       8151     1411       2849         221   UniNet S.A. de C.V. 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      3075        2452      Qwest 
       1785      1678        1523      PaeTec Communications, Inc.
       6298      2010        1296      Cox Communicatons 
       4755      1483        1287      TATA Communications formerly 
      17488      1388        1285      Hathway IP Over Cable Interne
      20115      1925        1207      Charter Communications 
      11492      1212        1201      Cable One 
       8151      1411        1190      UniNet S.A. de C.V. 
       4323      1550        1177      Time Warner Telecom
       6478      1318        1120      AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      22492   UNALLOCATED   12.2.46.0/24          7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.159.0/24        7018       AT&T WorldNet Servic
      32326   UNALLOCATED   12.40.49.0/24         3549       Global Crossing 
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.75.116.0/22       10796     ServiceCo LLC - Road Runner 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      63.143.71.0/24         701     UUNET Technologies, Inc. 
      63.143.115.0/24        701     UUNET Technologies, Inc. 
      
      Complete listing at http://thyme.apnic.net/current/data-add-IANA
      
      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       /10:17      /11:46      /12:148     
      /13:298     /14:536     /15:1066    /16:10125   /17:4399    /18:7590    
      /19:16364   /20:19244   /21:18707   /22:23677   /23:24603   /24:141889  
      /25:820     /26:999     /27:851     /28:90      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2847          4301      bellsouth.net, inc. 
       6298     1984          2010      Cox Communicatons 
        209     1796          3075      Qwest 
       2386     1268          1589      AT&T Data Communications Serv
      11492     1188          1212      Cable One 
      17488     1179          1388      Hathway IP Over Cable Interne
       1785     1139          1678      PaeTec Communications, Inc.
       6478     1104          1318      AT&T Worldnet Services 
      18566     1040          1059      Covad Communications 
      20115     1033          1925      Charter Communications 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:12        8:141      12:2186     13:2        15:22       16:3      
        17:5        18:13       20:38       24:1148     31:1        32:58     
        38:511      40:92       41:708      43:1        44:2        47:12     
        52:3        55:3        56:3        57:26       58:521      59:530    
        60:452      61:983      62:1092     63:2037     64:3240     65:2429   
        66:3519     67:1286     68:805      69:2346     70:861      71:276    
        72:2056     73:7        74:1254     75:213      76:279      77:924    
        78:810      79:279      80:906      81:864      82:587      83:402    
        84:592      85:1036     86:501      87:706      88:325      89:1380   
        90:23       91:1602     92:270      93:928      94:258      95:3      
        96:80       97:102      98:350      99:11      113:15      114:110    
       115:122     116:985     117:378     118:240     119:523     120:93     
       121:604     122:852     123:446     124:862     125:1195    128:353    
       129:207     130:135     131:417     132:72      133:9       134:185    
       135:31      136:223     137:98      138:144     139:81      140:433    
       141:106     142:401     143:291     144:326     145:51      146:375    
       147:153     148:530     149:207     150:128     151:208     152:149    
       153:135     154:10      155:278     156:173     157:301     158:170    
       159:305     160:275     161:139     162:255     163:133     164:520    
       165:511     166:363     167:338     168:644     169:145     170:448    
       171:33      172:10      173:54      187:16      188:1       189:292    
       190:2317    192:5750    193:4147    194:3260    195:2617    196:1002   
       198:3735    199:3299    200:5552    201:1424    202:7820    203:8040   
       204:3925    205:2164    206:2293    207:2764    208:3708    209:3440   
       210:2566    211:1102    212:1514    213:1614    214:169     215:50     
       216:4419    217:1244    218:349     219:439     220:1053    221:413    
       222:298    
      
      End of report