[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, 14 Mar 2009 04:12:24 +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 14 Mar, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              282891
          Prefixes after maximum aggregation:                          134061
          Deaggregation factor:                                          2.11
          Unique aggregates announced to Internet:                     138798
      Total ASes present in the Internet Routing Table:                 30808
          Prefixes per ASN:                                              9.18
      Origin-only ASes present in the Internet Routing Table:           26818
      Origin ASes announcing only one prefix:                           13049
      Transit ASes present in the Internet Routing Table:                3990
      Transit-only ASes present in the Internet Routing Table:             89
      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:               500
          Unregistered ASNs in the Routing Table:                         168
      Number of 32-bit ASNs allocated by the RIRs:                        128
      Prefixes from 32-bit ASNs in the Routing Table:                      19
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            237
      Number of addresses announced to Internet:                   2015333504
          Equivalent to 120 /8s, 31 /16s and 140 /24s
          Percentage of available address space announced:               54.4
          Percentage of allocated address space announced:               63.6
          Percentage of available address space allocated:               85.5
          Percentage of address space in use by end-sites:               76.0
      Total number of prefixes smaller than registry allocations:      139285
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    65455
          Total APNIC prefixes after maximum aggregation:               23364
          APNIC Deaggregation factor:                                    2.80
      Prefixes being announced from the APNIC address blocks:           62237
          Unique aggregates announced from the APNIC address blocks:    28362
      APNIC Region origin ASes present in the Internet Routing Table:    3567
          APNIC Prefixes per ASN:                                       17.45
      APNIC Region origin ASes announcing only one prefix:                966
      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:              404953248
          Equivalent to 24 /8s, 35 /16s and 24 /24s
          Percentage of available APNIC address space announced:         80.5
      
      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, 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:                    124056
          Total ARIN prefixes after maximum aggregation:                65410
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:            93499
          Unique aggregates announced from the ARIN address blocks:     36106
      ARIN Region origin ASes present in the Internet Routing Table:    12836
          ARIN Prefixes per ASN:                                         7.28
      ARIN Region origin ASes announcing only one prefix:                4935
      ARIN Region transit ASes present in the Internet Routing Table:    1235
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               419494464
          Equivalent to 25 /8s, 0 /16s and 250 /24s
          Percentage of available ARIN address space announced:          80.7
      
      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:                     64709
          Total RIPE prefixes after maximum aggregation:                37715
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            59322
          Unique aggregates announced from the RIPE address blocks:     39468
      RIPE Region origin ASes present in the Internet Routing Table:    12799
          RIPE Prefixes per ASN:                                         4.63
      RIPE Region origin ASes announcing only one prefix:                6723
      RIPE Region transit ASes present in the Internet Routing Table:    1937
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          25
      Number of RIPE addresses announced to Internet:               390950176
          Equivalent to 23 /8s, 77 /16s and 109 /24s
          Percentage of available RIPE address space announced:          83.2
      
      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, 47104-52223
      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:                   23426
          Total LACNIC prefixes after maximum aggregation:               5806
          LACNIC Deaggregation factor:                                   4.03
      Prefixes being announced from the LACNIC address blocks:          21599
          Unique aggregates announced from the LACNIC address blocks:   11767
      LACNIC Region origin ASes present in the Internet Routing Table:   1076
          LACNIC Prefixes per ASN:                                      20.07
      LACNIC Region origin ASes announcing only one prefix:               339
      LACNIC Region transit ASes present in the Internet Routing Table:   176
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              61343488
          Equivalent to 3 /8s, 168 /16s and 7 /24s
          Percentage of available LACNIC address space announced:        60.9
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247
                             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:                   4777
          Total AfriNIC prefixes after maximum aggregation:              1383
          AfriNIC Deaggregation factor:                                  3.45
      Prefixes being announced from the AfriNIC address blocks:          4481
          Unique aggregates announced from the AfriNIC address blocks:   1338
      AfriNIC Region origin ASes present in the Internet Routing Table:   285
          AfriNIC Prefixes per ASN:                                     15.72
      AfriNIC Region origin ASes announcing only one prefix:               86
      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:                       15
      Number of AfriNIC addresses announced to Internet:             10136064
          Equivalent to 0 /8s, 154 /16s and 170 /24s
          Percentage of available AfriNIC address space announced:       30.2
      
      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     1690       6929         396   Korea Telecom (KIX)
      17488     1529        119          97   Hathway IP Over Cable Interne
       4755     1216        431         179   TATA Communications formerly 
       9583     1092         86         528   Sify Limited
       4134      927      16271         367   CHINANET-BACKBONE
      18101      753        198          30   Reliance Infocom Ltd Internet
       7545      744        159         104   TPG Internet Pty Ltd
       9498      689        297          49   BHARTI BT INTERNET LTD.
      24560      675        228         175   Bharti Airtel Ltd.
       9829      637        490          21   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     4322       3670         338   bellsouth.net, inc. 
        209     2846       4149         624   Qwest 
       4323     1795       1065         374   Time Warner Telecom
       1785     1733        717         139   PaeTec Communications, Inc.
      20115     1587       1430         719   Charter Communications 
       7018     1451       5880        1013   AT&T WorldNet Services
       6478     1287        296         514   AT&T Worldnet Services 
       2386     1265        682         899   AT&T Data Communications Serv
      11492     1194        192          12   Cable One 
       3356     1172      10976         443   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     1238        188           7   TEDATA
      30890      447         87         201   SC Kappa Invexim SRL
       3292      443       1762         389   TDC Tele Danmark
      12479      403        578           6   Uni2 Autonomous System
       3320      352       7081         295   Deutsche Telekom AG
       3301      343       1685         308   TeliaNet Sweden
       8866      337        109          22   Bulgarian Telecommunication C
       3215      335       2985         109   France Telecom Transpac
      29049      322         26           3   AzerSat LLC.
       8551      313        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     1444       2831         233   UniNet S.A. de C.V. 
      10620      826        187          99   TVCABLE BOGOTA 
      22047      600        302          14   VTR PUNTO NET S.A. 
      11830      520        294          51   Instituto Costarricense de El
       7303      518        260          80   Telecom Argentina Stet-France
      16814      491         31          10   NSS, S.A. 
       6471      440         95          32   ENTEL CHILE S.A. 
      11172      408        102          73   Servicios Alestra S.A de C.V 
       7738      397        794          28   Telecomunicacoes da Bahia S.A
      28573      384        514          24   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      808         75          27   LINKdotNET AS number
      20858      292         34           3   This AS will be used to conne
       3741      271        842         231   The Internet Solution 
       2018      241        215         141   Tertiary Education Network 
       6713      159        150          15   Itissalat Al-MAGHRIB
      33783      150         10           8   EEPAD TISP TELECOM & INTERNET
      29571      131         15           8   Ci Telecom Autonomous system 
       5536      123          8           9   Internet Egypt Network
      33776      118          6           3   Starcomms Nigeria Limited
       5713      116        507          66   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     4322       3670         338   bellsouth.net, inc. 
        209     2846       4149         624   Qwest 
       4323     1795       1065         374   Time Warner Telecom
       1785     1733        717         139   PaeTec Communications, Inc.
       4766     1690       6929         396   Korea Telecom (KIX)
      20115     1587       1430         719   Charter Communications 
      17488     1529        119          97   Hathway IP Over Cable Interne
       7018     1451       5880        1013   AT&T WorldNet Services
       8151     1444       2831         233   UniNet S.A. de C.V. 
       6478     1287        296         514   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      2846        2222      Qwest 
       1785      1733        1594      PaeTec Communications, Inc.
      17488      1529        1432      Hathway IP Over Cable Interne
       4323      1795        1421      Time Warner Telecom
       4766      1690        1294      Korea Telecom (KIX)
       8452      1238        1231      TEDATA
       8151      1444        1211      UniNet S.A. de C.V. 
      11492      1194        1182      Cable One 
      18566      1061        1051      Covad Communications 
       4755      1216        1037      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      /12:163     
      /13:320     /14:576     /15:1132    /16:10354   /17:4622    /18:7971    
      /19:17011   /20:20057   /21:19757   /22:25245   /23:25252   /24:148046  
      /25:698     /26:867     /27:545     /28:118     /29:37      /30:9       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2804          4322      bellsouth.net, inc. 
        209     1574          2846      Qwest 
       4766     1394          1690      Korea Telecom (KIX)
      17488     1300          1529      Hathway IP Over Cable Interne
       8452     1217          1238      TEDATA
      11492     1149          1194      Cable One 
       1785     1139          1733      PaeTec Communications, Inc.
      18566     1042          1061      Covad Communications 
       2386      960          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        8:171      12:2199     13:2        15:19       16:3      
        17:4        20:36       24:1123     32:51       38:547      40:97     
        41:1969     43:1        44:2        47:21       52:3        55:2      
        56:3        57:25       58:534      59:623      60:460      61:1103   
        62:1113     63:2012     64:3554     65:2421     66:3554     67:1494   
        68:672      69:2506     70:508      71:163      72:1665     73:2      
        74:1431     75:204      76:312      77:825      78:566      79:299    
        80:963      81:819      82:558      83:420      84:591      85:1015   
        86:395      87:634      88:351      89:1494     90:44       91:2049   
        92:273      93:1092     94:1189     95:766      96:98       97:177    
        98:228      99:16      109:1       110:8       112:81      113:88     
       114:213     115:232     116:1130    117:496     118:285     119:644    
       120:133     121:704     122:969     123:558     124:955     125:1285   
       128:220     129:225     130:135     131:410     132:74      133:9      
       134:183     135:39      136:236     137:144     138:146     139:78     
       140:415     141:105     142:390     143:329     144:331     145:41     
       146:373     147:148     148:512     149:237     150:142     151:201    
       152:151     153:135     154:11      155:267     156:167     157:295    
       158:131     159:234     160:281     161:137     162:270     163:145    
       164:518     165:517     166:274     167:357     168:666     169:162    
       170:478     171:39      172:10      173:241     174:145     178:1      
       186:10      187:46      188:7       189:314     190:2697    192:5813   
       193:4217    194:3321    195:2696    196:1057    198:3722    199:3306   
       200:5485    201:1356    202:7854    203:8069    204:3776    205:2157   
       206:2356    207:2807    208:3876    209:3455    210:2629    211:1116   
       212:1514    213:1703    214:69      215:25      216:4554    217:1264   
       218:365     219:408     220:1207    221:460     222:314    
      
      End of report