[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, 6 Sep 2008 04:13:19 +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 06 Sep, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              267551
          Prefixes after maximum aggregation:                          129558
          Deaggregation factor:                                          2.07
          Unique aggregates announced to Internet:                     130250
      Total ASes present in the Internet Routing Table:                 29147
          Prefixes per ASN:                                              9.18
      Origin-only ASes present in the Internet Routing Table:           25360
      Origin ASes announcing only one prefix:                           12310
      Transit ASes present in the Internet Routing Table:                3787
      Transit-only ASes present in the Internet Routing Table:             83
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      26
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               568
          Unregistered ASNs in the Routing Table:                         211
      Number of 32-bit ASNs allocated by the RIRs:                         59
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            761
      Number of addresses announced to Internet:                   1897392032
          Equivalent to 113 /8s, 23 /16s and 231 /24s
          Percentage of available address space announced:               51.2
          Percentage of allocated address space announced:               62.2
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               73.4
      Total number of prefixes smaller than registry allocations:      131274
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    61606
          Total APNIC prefixes after maximum aggregation:               22776
          APNIC Deaggregation factor:                                    2.70
      Prefixes being announced from the APNIC address blocks:           58521
          Unique aggregates announced from the APNIC address blocks:    26310
      APNIC Region origin ASes present in the Internet Routing Table:    3366
          APNIC Prefixes per ASN:                                       17.39
      APNIC Region origin ASes announcing only one prefix:                900
      APNIC Region transit ASes present in the Internet Routing Table:    526
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              375010592
          Equivalent to 22 /8s, 90 /16s and 53 /24s
          Percentage of available APNIC address space announced:         79.8
      
      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:                    122144
          Total ARIN prefixes after maximum aggregation:                64686
          ARIN Deaggregation factor:                                     1.89
      Prefixes being announced from the ARIN address blocks:            91338
          Unique aggregates announced from the ARIN address blocks:     35015
      ARIN Region origin ASes present in the Internet Routing Table:    12424
          ARIN Prefixes per ASN:                                         7.35
      ARIN Region origin ASes announcing only one prefix:                4790
      ARIN Region transit ASes present in the Internet Routing Table:    1186
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               360988896
          Equivalent to 21 /8s, 132 /16s and 64 /24s
          Percentage of available ARIN address space announced:          74.2
      
      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:                     57792
          Total RIPE prefixes after maximum aggregation:                35026
          RIPE Deaggregation factor:                                     1.65
      Prefixes being announced from the RIPE address blocks:            52942
          Unique aggregates announced from the RIPE address blocks:     35549
      RIPE Region origin ASes present in the Internet Routing Table:    11818
          RIPE Prefixes per ASN:                                         4.48
      RIPE Region origin ASes announcing only one prefix:                6203
      RIPE Region transit ASes present in the Internet Routing Table:    1806
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               371067328
          Equivalent to 22 /8s, 30 /16s and 9 /24s
          Percentage of available RIPE address space announced:          85.1
      
      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, 47104-48127
      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:                   21370
          Total LACNIC prefixes after maximum aggregation:               5344
          LACNIC Deaggregation factor:                                   4.00
      Prefixes being announced from the LACNIC address blocks:          19602
          Unique aggregates announced from the LACNIC address blocks:   10867
      LACNIC Region origin ASes present in the Internet Routing Table:    992
          LACNIC Prefixes per ASN:                                      19.76
      LACNIC Region origin ASes announcing only one prefix:               327
      LACNIC Region transit ASes present in the Internet Routing Table:   166
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        17
      Number of LACNIC addresses announced to Internet:              55077376
          Equivalent to 3 /8s, 72 /16s and 106 /24s
          Percentage of available LACNIC address space announced:        54.7
      
      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:                   4072
          Total AfriNIC prefixes after maximum aggregation:              1255
          AfriNIC Deaggregation factor:                                  3.24
      Prefixes being announced from the AfriNIC address blocks:          4387
          Unique aggregates announced from the AfriNIC address blocks:   1967
      AfriNIC Region origin ASes present in the Internet Routing Table:   258
          AfriNIC Prefixes per ASN:                                     17.00
      AfriNIC Region origin ASes announcing only one prefix:               90
      AfriNIC Region transit ASes present in the Internet Routing Table:   55
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       16
      Number of AfriNIC addresses announced to Internet:             12672768
          Equivalent to 0 /8s, 193 /16s and 95 /24s
          Percentage of available AfriNIC address space announced:       37.8
      
      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     1715        538         181   Videsh Sanchar Nigam Ltd. Aut
      17488     1372         90         102   Hathway IP Over Cable Interne
       9583     1147         89         495   Sify Limited
       4766      873       6407         357   Korea Telecom (KIX)
       4134      841      13651         345   CHINANET-BACKBONE
      23577      820         35         695   Korea Telecom (ATM-MPLS)
      18101      715        167          29   Reliance Infocom Ltd Internet
       4780      714        353          61   Digital United Inc.
       9498      677        291          52   BHARTI BT INTERNET LTD.
       4808      629       1156         138   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     4292       3416         337   bellsouth.net, inc. 
        209     2904       3873         618   Qwest 
       6298     1973        315         759   Cox Communicatons 
       1785     1651        710         156   AppliedTheory Corporation 
      20115     1568       1260         703   Charter Communications 
       2386     1560        691         899   AT&T Data Communications Serv
       4323     1506       1073         375   Time Warner Telecom
       7018     1399       5782         975   AT&T WorldNet Services
      11492     1211        151          18   Cable One 
       6478     1140        239         181   AT&T Worldnet Services 
      
      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      416       1776         373   TDC Tele Danmark
       3301      334       1444         305   TeliaNet Sweden
       8452      328        188          11   TEDATA
       3215      327       2756         106   France Telecom Transpac
       3320      326       7063         274   Deutsche Telekom AG
      30890      322         87         176   SC Kappa Invexim SRL
       8866      316         77          21   Bulgarian Telecommunication C
       5462      296        794          27   Telewest Broadband
       8551      287        270          37   Bezeq International
        680      275       2047         265   DFN-IP service G-WiN
      
      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     1594       2608         228   UniNet S.A. de C.V. 
      11830      664        299           9   Instituto Costarricense de El
      22047      564        270          14   VTR PUNTO NET S.A. 
       7303      485        239          67   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
      10620      422        103          62   TVCABLE BOGOTA 
       6471      421         85          48   ENTEL CHILE S.A. 
      11172      408        118          71   Servicios Alestra S.A de C.V 
      14117      345         23           9   Telefonica del Sur S.A. 
      28573      337        441          29   NET Servicos de Comunicao 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      515         65          36   LINKdotNET AS number
      20858      402         34           3   EgyNet
       3741      265        855         223   The Internet Solution 
       2018      233        214         138   Tertiary Education Network 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      137         10          13   EEPAD TISP TELECOM & INTERNET
       5536      120          8          17   Internet Egypt Network
      33776      119          6           3   Starcomms Nigeria Limited
       5713      118        555          68   Telkom SA Ltd 
      29571      107         13           8   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     4292       3416         337   bellsouth.net, inc. 
        209     2904       3873         618   Qwest 
       6298     1973        315         759   Cox Communicatons 
       4755     1715        538         181   Videsh Sanchar Nigam Ltd. Aut
       1785     1651        710         156   AppliedTheory Corporation 
       8151     1594       2608         228   UniNet S.A. de C.V. 
      20115     1568       1260         703   Charter Communications 
       2386     1560        691         899   AT&T Data Communications Serv
       4323     1506       1073         375   Time Warner Telecom
       7018     1399       5782         975   AT&T WorldNet Services
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2904        2286      Qwest 
       4755      1715        1534      Videsh Sanchar Nigam Ltd. Aut
       1785      1651        1495      AppliedTheory Corporation 
       8151      1594        1366      UniNet S.A. de C.V. 
      17488      1372        1270      Hathway IP Over Cable Interne
       6298      1973        1214      Cox Communicatons 
      11492      1211        1193      Cable One 
       4323      1506        1131      Time Warner Telecom
      18566      1048        1038      Covad Communications 
       6478      1140         959      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
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.31.25.0/24         6517       Yipes Communications
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
      
      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 
      24.75.160.0/19        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
      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        /8:18       /9:9       /10:17      /11:45      /12:146     
      /13:293     /14:527     /15:1060    /16:10060   /17:4380    /18:7636    
      /19:16082   /20:18794   /21:18490   /22:23203   /23:24269   /24:139965  
      /25:772     /26:940     /27:739     /28:89      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2851          4292      bellsouth.net, inc. 
       6298     1948          1973      Cox Communicatons 
        209     1671          2904      Qwest 
       2386     1238          1560      AT&T Data Communications Serv
      11492     1192          1211      Cable One 
      17488     1180          1372      Hathway IP Over Cable Interne
       1785     1121          1651      AppliedTheory Corporation 
       4755     1050          1715      Videsh Sanchar Nigam Ltd. Aut
       6478     1033          1140      AT&T Worldnet Services 
      18566     1029          1048      Covad Communications 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:137      12:2147     13:2        15:22       16:3      
        17:5        18:13       20:35       24:1087     32:59       38:490    
        40:92       41:721      43:1        44:2        47:12       52:3      
        55:3        56:3        57:26       58:526      59:518      60:453    
        61:961      62:1223     63:2046     64:3210     65:2358     66:3458   
        67:1230     68:774      69:2297     70:845      71:169      72:2028   
        73:6        74:1135     75:170      76:274      77:791      78:799    
        79:318      80:949      81:833      82:573      83:369      84:574    
        85:972      86:399      87:714      88:337      89:1325     90:20     
        91:1446     92:254      93:817      94:132      96:63       97:68     
        98:323      99:7       114:96      115:42      116:1018    117:355    
       118:237     119:483     120:84      121:587     122:837     123:400    
       124:853     125:1193    128:356     129:201     130:134     131:410    
       132:70      133:9       134:178     135:34      136:223     137:93     
       138:141     139:93      140:508     141:102     142:407     143:289    
       144:362     145:51      146:371     147:157     148:514     149:206    
       150:128     151:181     152:145     153:136     154:10      155:284    
       156:175     157:297     158:163     159:301     160:273     161:139    
       162:254     163:155     164:516     165:497     166:367     167:331    
       168:629     169:143     170:431     171:33      172:10      173:33     
       188:1       189:593     190:2099    192:5791    193:4142    194:3250   
       195:2579    196:995     198:3735    199:3307    200:5588    201:1525   
       202:7681    203:8069    204:3935    205:2144    206:2350    207:2738   
       208:3536    209:3425    210:2602    211:1089    212:1420    213:1621   
       214:178     215:50      216:4365    217:1212    218:347     219:436    
       220:1061    221:426     222:315    
      
      End of report