[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, 26 Apr 2008 04:06:57 +1000 (EST)
  • Delivered-to: apops at mailman dot apnic dot net
  • List-archive: <http://mailman.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 26 Apr, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              254062
          Prefixes after maximum aggregation:                          126996
          Deaggregation factor:                                          2.00
          Unique aggregates announced to Internet:                     123674
      Total ASes present in the Internet Routing Table:                 28040
          Prefixes per ASN:                                              9.06
      Origin-only ASes present in the Internet Routing Table:           24422
      Origin ASes announcing only one prefix:                           11383
      Transit ASes present in the Internet Routing Table:                3618
      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:                                      19
          Max AS path prepend of ASN (39375)                               13
      Prefixes from unregistered ASNs in the Routing Table:             25254
          Unregistered ASNs in the Routing Table:                        1883
      Number of 32-bit ASNs allocated by the RIRs:                         46
      Prefixes from 32-bit ASNs in the Routing Table:                      10
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            794
      Number of addresses announced to Internet:                   1864785952
          Equivalent to 111 /8s, 38 /16s and 96 /24s
          Percentage of available address space announced:               50.3
          Percentage of allocated address space announced:               61.8
          Percentage of available address space allocated:               81.4
          Percentage of address space in use by end-sites:               71.6
      Total number of prefixes smaller than registry allocations:      121945
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    42902
          Total APNIC prefixes after maximum aggregation:               13600
          APNIC Deaggregation factor:                                    3.15
      Prefixes being announced from the APNIC address blocks:           55266
          Unique aggregates announced from the APNIC address blocks:    23976
      APNIC Region origin ASes present in the Internet Routing Table:    1927
          APNIC Prefixes per ASN:                                       28.68
      APNIC Region origin ASes announcing only one prefix:                550
      APNIC Region transit ASes present in the Internet Routing Table:    353
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              346601824
          Equivalent to 20 /8s, 168 /16s and 185 /24s
          Percentage of available APNIC address space announced:         79.5
      
      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, 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:                    107608
          Total ARIN prefixes after maximum aggregation:                59199
          ARIN Deaggregation factor:                                     1.82
      Prefixes being announced from the ARIN address blocks:            86454
          Unique aggregates announced from the ARIN address blocks:     34200
      ARIN Region origin ASes present in the Internet Routing Table:    11763
          ARIN Prefixes per ASN:                                         7.35
      ARIN Region origin ASes announcing only one prefix:                4592
      ARIN Region transit ASes present in the Internet Routing Table:    1045
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               358940416
          Equivalent to 21 /8s, 100 /16s and 255 /24s
          Percentage of available ARIN address space announced:          73.8
      
      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:                     54765
          Total RIPE prefixes after maximum aggregation:                33522
          RIPE Deaggregation factor:                                     1.63
      Prefixes being announced from the RIPE address blocks:            49997
          Unique aggregates announced from the RIPE address blocks:     33450
      RIPE Region origin ASes present in the Internet Routing Table:    11258
          RIPE Prefixes per ASN:                                         4.44
      RIPE Region origin ASes announcing only one prefix:                5885
      RIPE Region transit ASes present in the Internet Routing Table:    1723
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               355108864
          Equivalent to 21 /8s, 42 /16s and 136 /24s
          Percentage of available RIPE address space announced:          81.4
      
      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 - 48127
      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:                   19746
          Total LACNIC prefixes after maximum aggregation:               4938
          LACNIC Deaggregation factor:                                   4.00
      Prefixes being announced from the LACNIC address blocks:          18144
          Unique aggregates announced from the LACNIC address blocks:    9833
      LACNIC Region origin ASes present in the Internet Routing Table:    894
          LACNIC Prefixes per ASN:                                      20.30
      LACNIC Region origin ASes announcing only one prefix:               277
      LACNIC Region transit ASes present in the Internet Routing Table:   155
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              50827008
          Equivalent to 3 /8s, 7 /16s and 143 /24s
          Percentage of available LACNIC address space announced:        50.5
      
      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:                   3786
          Total AfriNIC prefixes after maximum aggregation:              1198
          AfriNIC Deaggregation factor:                                  3.16
      Prefixes being announced from the AfriNIC address blocks:          4141
          Unique aggregates announced from the AfriNIC address blocks:   1840
      AfriNIC Region origin ASes present in the Internet Routing Table:   241
          AfriNIC Prefixes per ASN:                                     17.18
      AfriNIC Region origin ASes announcing only one prefix:               79
      AfriNIC Region transit ASes present in the Internet Routing Table:   46
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             11360256
          Equivalent to 0 /8s, 173 /16s and 88 /24s
          Percentage of available AfriNIC address space announced:       33.9
      
      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     1634        387          89   Videsh Sanchar Nigam Ltd. Aut
       9498     1162        550          61   BHARTI BT INTERNET LTD.
       9583     1161        129         195   Sify Limited
      17488     1059         70          77   Hathway IP Over Cable Interne
       4134      856      12647         320   CHINANET-BACKBONE
       4766      849       6006         345   Korea Telecom (KIX)
      18101      680        149          54   Reliance Infocom Ltd Internet
       9829      598        450          12   BSNL National Internet Backbo
       1221      545       1919         419   Telstra Pty Ltd
       4808      519        837         132   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
       4323     1423       1029         375   Time Warner Telecom
       7018     1407       5977        1003   AT&T WorldNet Services
       2386     1398        642         864   AT&T Data Communications Serv
      11492     1214        146          37   Cable One 
       7011     1097        319         624   Citizens Utilities 
      18566     1043        296          10   Covad Communications 
       1785     1011        511         106   AppliedTheory Corporation 
       6197      988        598         508   BellSouth Network Solutions, 
        174      969       6835         802   Cogent Communications
      22773      934       2394          62   Cox Communications, Inc.
      
      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      408       1787         368   TDC Tele Danmark
       9198      381         74           9   Kazakhtelecom Data Network Ad
       8452      356        188           7   TEDATA
       3301      338       1459         307   TeliaNet Sweden
       3320      323       7044         266   Deutsche Telekom AG
       8866      297         78          24   Bulgarian Telecommunication C
       5462      292        666          26   Telewest Broadband
       8551      282        269          37   Bezeq International
       3215      278       2679          89   France Telecom Transpac
       6746      267        128         244   Dynamic Network Technologies,
      
      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     1189       2432         222   UniNet S.A. de C.V. 
      11830      573        299           9   Instituto Costarricense de El
      22047      562        270          14   VTR PUNTO NET S.A. 
       7303      455        222          60   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      414         85          46   ENTEL CHILE S.A. 
      11172      414        117          69   Servicios Alestra S.A de C.V 
      10620      386         98          77   TVCABLE BOGOTA 
      14117      384         25          15   Telefonica del Sur S.A. 
      20299      308         36          31   NEWCOM AMERICAS 
      
      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      464         61          27   LINKdotNET AS number
       3741      289        853         223   The Internet Solution 
      20858      217         34           3   EgyNet
       2018      178        190          86   Tertiary Education Network 
       5713      150        558         120   Telkom SA Ltd 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      134         10          12   EEPAD TISP TELECOM & INTERNET
       5536      121          8          16   Internet Egypt Network
      29571      116         13           8   Ci Telecom Autonomous system 
      33776       99          6           7   Starcomms Nigeria Limited
      
      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     2768       3020         115   bellsouth.net, inc. 
      23577     1638         34         700   Korea Telecom (ATM-MPLS)
       4755     1634        387          89   Videsh Sanchar Nigam Ltd. Aut
       4323     1423       1029         375   Time Warner Telecom
       7018     1407       5977        1003   AT&T WorldNet Services
       2386     1398        642         864   AT&T Data Communications Serv
      11492     1214        146          37   Cable One 
       8151     1189       2432         222   UniNet S.A. de C.V. 
       9498     1162        550          61   BHARTI BT INTERNET LTD.
       9583     1161        129         195   Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1634        1545      Videsh Sanchar Nigam Ltd. Aut
      11492      1214        1177      Cable One 
       9498      1162        1101      BHARTI BT INTERNET LTD.
       4323      1423        1048      Time Warner Telecom
      18566      1043        1033      Covad Communications 
      17488      1059         982      Hathway IP Over Cable Interne
       8151      1189         967      UniNet S.A. de C.V. 
       9583      1161         966      Sify Limited
      17676      1016         951      Softbank BB Corp.
      23577      1638         938      Korea Telecom (ATM-MPLS)
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      14780   UNALLOCATED   4.79.181.0/24        10310       Yahoo! 
      12180   UNALLOCATED   4.79.248.0/24         1239       Sprint 
      12180   UNALLOCATED   8.10.16.0/24          3549       Global Crossing 
      12180   UNALLOCATED   8.10.58.0/23          3549       Global Crossing 
      14779   UNALLOCATED   8.12.144.0/24        10310       Yahoo! 
      16927   UNALLOCATED   12.0.252.0/23          701       UUNET Technologies, 
      22492   UNALLOCATED   12.2.46.0/24          1239       Sprint 
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.75.192.0/18        7843     Adelphia Corp. 
      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 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      
      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       /10:16      /11:42      /12:140     
      /13:280     /14:506     /15:999     /16:9868    /17:4359    /18:7294    
      /19:15348   /20:17778   /21:17144   /22:21534   /23:22624   /24:133802  
      /25:772     /26:919     /27:495     /28:96      /29:9       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1200          1214      Cable One 
       2386     1096          1398      AT&T Data Communications Serv
      18566     1024          1043      Covad Communications 
       9583      999          1161      Sify Limited
       7011      980          1097      Citizens Utilities 
       4755      972          1634      Videsh Sanchar Nigam Ltd. Aut
       6478      924           925      AT&T Worldnet Services 
      17488      871          1059      Hathway IP Over Cable Interne
       6389      863          2768      bellsouth.net, inc. 
       9498      835          1162      BHARTI BT INTERNET LTD.
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:106      12:2015     13:1        15:20       16:3      
        17:6        18:13       20:35       24:1062     25:1        32:61     
        33:4        38:415      40:94       41:657      44:2        47:8      
        52:3        55:3        56:3        57:22       58:512      59:455    
        60:440      61:982      62:1085     63:1959     64:3379     65:2401   
        66:3624     67:1144     68:672      69:2156     70:602      71:126    
        72:1677     73:6        74:952      75:226      76:289      77:646    
        78:609      79:146      80:898      81:853      82:605      83:373    
        84:554      85:1004     86:405      87:645      88:344      89:1273   
        90:11       91:1205     92:285      93:329      96:25       97:14     
        98:142      99:3       116:620     117:303     118:125     119:403    
       120:13      121:526     122:744     123:316     124:839     125:1115   
       128:320     129:198     130:128     131:401     132:65      133:9      
       134:179     135:32      136:222     137:113     138:150     139:60     
       140:490     141:96      142:437     143:284     144:346     145:50     
       146:360     147:142     148:502     149:180     150:128     151:175    
       152:142     153:127     154:10      155:265     156:208     157:263    
       158:168     159:224     160:254     161:111     162:210     163:196    
       164:577     165:444     166:298     167:316     168:611     169:127    
       170:427     171:28      172:2       189:164     190:1808    192:5770   
       193:4099    194:3260    195:2416    196:1061    198:3746    199:3235   
       200:5622    201:1406    202:7558    203:7804    204:4003    205:2089   
       206:2391    207:2754    208:3271    209:3469    210:2537    211:1046   
       212:1362    213:1647    214:447     215:50      216:4325    217:1220   
       218:351     219:407     220:1076    221:424     222:306    
      
      End of report