[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, 21 Feb 2009 04:18:28 +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 21 Feb, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              280761
          Prefixes after maximum aggregation:                          133516
          Deaggregation factor:                                          2.10
          Unique aggregates announced to Internet:                     137721
      Total ASes present in the Internet Routing Table:                 30639
          Prefixes per ASN:                                              9.16
      Origin-only ASes present in the Internet Routing Table:           26668
      Origin ASes announcing only one prefix:                           12988
      Transit ASes present in the Internet Routing Table:                3971
      Transit-only ASes present in the Internet Routing Table:             90
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      25
          Max AS path prepend of ASN (18678)                               21
      Prefixes from unregistered ASNs in the Routing Table:               529
          Unregistered ASNs in the Routing Table:                         177
      Number of 32-bit ASNs allocated by the RIRs:                        104
      Prefixes from 32-bit ASNs in the Routing Table:                      15
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            215
      Number of addresses announced to Internet:                   2007408064
          Equivalent to 119 /8s, 166 /16s and 157 /24s
          Percentage of available address space announced:               54.2
          Percentage of allocated address space announced:               63.3
          Percentage of available address space allocated:               85.5
          Percentage of address space in use by end-sites:               75.8
      Total number of prefixes smaller than registry allocations:      137856
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    64873
          Total APNIC prefixes after maximum aggregation:               23232
          APNIC Deaggregation factor:                                    2.79
      Prefixes being announced from the APNIC address blocks:           61716
          Unique aggregates announced from the APNIC address blocks:    28187
      APNIC Region origin ASes present in the Internet Routing Table:    3534
          APNIC Prefixes per ASN:                                       17.46
      APNIC Region origin ASes announcing only one prefix:                956
      APNIC Region transit ASes present in the Internet Routing Table:    545
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              402566816
          Equivalent to 23 /8s, 254 /16s and 174 /24s
          Percentage of available APNIC address space announced:         80.0
      
      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, 110/8, 111/8, 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:                    123836
          Total ARIN prefixes after maximum aggregation:                65380
          ARIN Deaggregation factor:                                     1.89
      Prefixes being announced from the ARIN address blocks:            93252
          Unique aggregates announced from the ARIN address blocks:     35691
      ARIN Region origin ASes present in the Internet Routing Table:    12801
          ARIN Prefixes per ASN:                                         7.28
      ARIN Region origin ASes announcing only one prefix:                4933
      ARIN Region transit ASes present in the Internet Routing Table:    1228
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               416103232
          Equivalent to 24 /8s, 205 /16s and 59 /24s
          Percentage of available ARIN address space announced:          80.0
      
      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, 108/8, 173/8,
                             174/8, 184/8, 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:                     63670
          Total RIPE prefixes after maximum aggregation:                37387
          RIPE Deaggregation factor:                                     1.70
      Prefixes being announced from the RIPE address blocks:            58308
          Unique aggregates announced from the RIPE address blocks:     38867
      RIPE Region origin ASes present in the Internet Routing Table:    12697
          RIPE Prefixes per ASN:                                         4.59
      RIPE Region origin ASes announcing only one prefix:                6673
      RIPE Region transit ASes present in the Internet Routing Table:    1925
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               389410528
          Equivalent to 23 /8s, 53 /16s and 238 /24s
          Percentage of available RIPE address space announced:          82.9
      
      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, 109/8,
                             178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
                            
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   23309
          Total LACNIC prefixes after maximum aggregation:               5718
          LACNIC Deaggregation factor:                                   4.08
      Prefixes being announced from the LACNIC address blocks:          21488
          Unique aggregates announced from the LACNIC address blocks:   11883
      LACNIC Region origin ASes present in the Internet Routing Table:   1069
          LACNIC Prefixes per ASN:                                      20.10
      LACNIC Region origin ASes announcing only one prefix:               341
      LACNIC Region transit ASes present in the Internet Routing Table:   178
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              61081728
          Equivalent to 3 /8s, 164 /16s and 8 /24s
          Percentage of available LACNIC address space announced:        60.7
      
      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:                   4576
          Total AfriNIC prefixes after maximum aggregation:              1392
          AfriNIC Deaggregation factor:                                  3.29
      Prefixes being announced from the AfriNIC address blocks:          4305
          Unique aggregates announced from the AfriNIC address blocks:   1401
      AfriNIC Region origin ASes present in the Internet Routing Table:   284
          AfriNIC Prefixes per ASN:                                     15.16
      AfriNIC Region origin ASes announcing only one prefix:               85
      AfriNIC Region transit ASes present in the Internet Routing Table:   55
      Average AfriNIC Region AS path length visible:                      4.0
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             10027520
          Equivalent to 0 /8s, 153 /16s and 2 /24s
          Percentage of available AfriNIC address space announced:       29.9
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1684       6928         395   Korea Telecom (KIX)
      17488     1527        114          99   Hathway IP Over Cable Interne
       4755     1211        429         178   TATA Communications formerly 
       9583     1092         86         518   Sify Limited
       4134      927      16255         368   CHINANET-BACKBONE
      18101      752        198          25   Reliance Infocom Ltd Internet
       7545      726        158          98   TPG Internet Pty Ltd
       9498      682        297          52   BHARTI BT INTERNET LTD.
      24560      673        228         174   Bharti Airtel Ltd.
       9829      638        491          19   BSNL National Internet Backbo
      
      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     4368       3688         341   bellsouth.net, inc. 
        209     2833       4163         616   Qwest 
       4323     1775       1081         377   Time Warner Telecom
       1785     1748        733         139   PaeTec Communications, Inc.
      20115     1583       1421         718   Charter Communications 
       7018     1446       5879        1009   AT&T WorldNet Services
       2386     1265        715         904   AT&T Data Communications Serv
       6478     1250        299         506   AT&T Worldnet Services 
      11492     1202        192          12   Cable One 
       3356     1138      10976         440   Level 3 Communications, LLC 
      
      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
       8452     1225        188           7   TEDATA
      30890      445         88         202   SC Kappa Invexim SRL
       3292      443       1762         388   TDC Tele Danmark
      12479      397        578           6   Uni2 Autonomous System
       3320      341       7065         291   Deutsche Telekom AG
       3301      338       1669         304   TeliaNet Sweden
       8866      336        109          22   Bulgarian Telecommunication C
       3215      331       2946         103   France Telecom Transpac
      29049      328         26           3   AzerSat LLC.
       8551      312        288          40   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     1478       2831         230   UniNet S.A. de C.V. 
      10620      760        166          93   TVCABLE BOGOTA 
      11830      694        299           9   Instituto Costarricense de El
      22047      605        302          14   VTR PUNTO NET S.A. 
       7303      511        255          80   Telecom Argentina Stet-France
       6471      438         95          42   ENTEL CHILE S.A. 
      16814      427         27          11   NSS, S.A. 
      11172      405        118          75   Servicios Alestra S.A de C.V 
       7738      397        794          28   Telecomunicacoes da Bahia S.A
      28573      370        506          23   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      665         74          38   LINKdotNET AS number
      20858      290         34           3   This AS will be used to conne
       3741      271        857         229   The Internet Solution 
       2018      242        215         142   Tertiary Education Network 
      33783      150         10           8   EEPAD TISP TELECOM & INTERNET
       6713      144        135          11   Itissalat Al-MAGHRIB
      29571      128         15           8   Ci Telecom Autonomous system 
       5536      119          7          20   Internet Egypt Network
      33776      118          6           3   Starcomms Nigeria Limited
       5713      117        523          65   Telkom SA Ltd 
      
      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     4368       3688         341   bellsouth.net, inc. 
        209     2833       4163         616   Qwest 
       4323     1775       1081         377   Time Warner Telecom
       1785     1748        733         139   PaeTec Communications, Inc.
       4766     1684       6928         395   Korea Telecom (KIX)
      20115     1583       1421         718   Charter Communications 
      17488     1527        114          99   Hathway IP Over Cable Interne
       8151     1478       2831         230   UniNet S.A. de C.V. 
       7018     1446       5879        1009   AT&T WorldNet Services
       2386     1265        715         904   AT&T Data Communications Serv
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2833        2217      Qwest 
       1785      1748        1609      PaeTec Communications, Inc.
      17488      1527        1428      Hathway IP Over Cable Interne
       4323      1775        1398      Time Warner Telecom
       4766      1684        1289      Korea Telecom (KIX)
       8151      1478        1248      UniNet S.A. de C.V. 
       8452      1225        1218      TEDATA
      11492      1202        1190      Cable One 
      18566      1061        1051      Covad Communications 
       4755      1211        1033      TATA Communications formerly 
      
      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
      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         7018       AT&T WorldNet Servic
      25639   UNALLOCATED   12.41.169.0/24        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. 
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      41.220.16.0/20        8668     TelOne Zimbabwe P/L
      41.223.112.0/22       5713     Telkom SA Ltd 
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      
      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       /9:10      /10:20      /11:55      /12:162     
      /13:316     /14:577     /15:1125    /16:10341   /17:4586    /18:7895    
      /19:16958   /20:19936   /21:19594   /22:24758   /23:25089   /24:147061  
      /25:695     /26:856     /27:595     /28:97      /29:8       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2846          4368      bellsouth.net, inc. 
        209     1571          2833      Qwest 
       4766     1392          1684      Korea Telecom (KIX)
      17488     1305          1527      Hathway IP Over Cable Interne
       8452     1204          1225      TEDATA
      11492     1162          1202      Cable One 
       1785     1154          1748      PaeTec Communications, Inc.
      18566     1042          1061      Covad Communications 
       2386      954          1265      AT&T Data Communications Serv
       9583      944          1092      Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:13        8:180      12:2206     13:2        15:21       16:3      
        17:4        20:35       24:1114     32:51       38:545      40:96     
        41:1960     43:1        44:2        47:11       52:3        55:2      
        56:3        57:25       58:531      59:614      60:458      61:1099   
        62:1146     63:1994     64:3542     65:2424     66:3538     67:1474   
        68:656      69:2480     70:508      71:159      72:1608     73:2      
        74:1428     75:201      76:306      77:779      78:540      79:326    
        80:969      81:832      82:547      83:406      84:600      85:994    
        86:397      87:624      88:350      89:1403     90:42       91:1985   
        92:277      93:1086     94:1102     95:446      96:90       97:180    
        98:189      99:16      109:1       112:77      113:76      114:208    
       115:221     116:1132    117:493     118:284     119:640     120:134    
       121:704     122:961     123:523     124:858     125:1278    128:221    
       129:222     130:134     131:411     132:73      133:9       134:339    
       135:37      136:223     137:139     138:145     139:79      140:417    
       141:105     142:381     143:324     144:321     145:40      146:373    
       147:151     148:534     149:230     150:141     151:198     152:152    
       153:132     154:10      155:260     156:171     157:291     158:149    
       159:240     160:280     161:138     162:274     163:144     164:516    
       165:503     166:274     167:352     168:682     169:162     170:469    
       171:39      172:10      173:216     174:68      178:1       186:5      
       187:48      189:298     190:2589    192:5811    193:4210    194:3333   
       195:2698    196:1067    198:3702    199:3286    200:5526    201:1487   
       202:7797    203:8062    204:3934    205:2172    206:2346    207:2792   
       208:3835    209:3475    210:2637    211:1125    212:1489    213:1707   
       214:65      215:30      216:4551    217:1213    218:372     219:408    
       220:1219    221:462     222:315    
      
      End of report