[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, 7 Mar 2009 04:16:11 +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 07 Mar, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              282074
          Prefixes after maximum aggregation:                          133839
          Deaggregation factor:                                          2.11
          Unique aggregates announced to Internet:                     138127
      Total ASes present in the Internet Routing Table:                 30765
          Prefixes per ASN:                                              9.17
      Origin-only ASes present in the Internet Routing Table:           26774
      Origin ASes announcing only one prefix:                           13039
      Transit ASes present in the Internet Routing Table:                3991
      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:               497
          Unregistered ASNs in the Routing Table:                         167
      Number of 32-bit ASNs allocated by the RIRs:                        116
      Prefixes from 32-bit ASNs in the Routing Table:                      18
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            216
      Number of addresses announced to Internet:                   2012808064
          Equivalent to 119 /8s, 249 /16s and 3 /24s
          Percentage of available address space announced:               54.3
          Percentage of allocated address space announced:               63.5
          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:      138822
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    65026
          Total APNIC prefixes after maximum aggregation:               23342
          APNIC Deaggregation factor:                                    2.79
      Prefixes being announced from the APNIC address blocks:           61870
          Unique aggregates announced from the APNIC address blocks:    28110
      APNIC Region origin ASes present in the Internet Routing Table:    3557
          APNIC Prefixes per ASN:                                       17.39
      APNIC Region origin ASes announcing only one prefix:                961
      APNIC Region transit ASes present in the Internet Routing Table:    543
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              405211808
          Equivalent to 24 /8s, 39 /16s and 10 /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:                    124101
          Total ARIN prefixes after maximum aggregation:                65393
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:            93432
          Unique aggregates announced from the ARIN address blocks:     36029
      ARIN Region origin ASes present in the Internet Routing Table:    12837
          ARIN Prefixes per ASN:                                         7.28
      ARIN Region origin ASes announcing only one prefix:                4937
      ARIN Region transit ASes present in the Internet Routing Table:    1239
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               417006400
          Equivalent to 24 /8s, 219 /16s and 3 /24s
          Percentage of available ARIN address space announced:          80.2
      
      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, 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:                     64239
          Total RIPE prefixes after maximum aggregation:                37596
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            58840
          Unique aggregates announced from the RIPE address blocks:     39192
      RIPE Region origin ASes present in the Internet Routing Table:    12763
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                6710
      RIPE Region transit ASes present in the Internet Routing Table:    1929
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               390554912
          Equivalent to 23 /8s, 71 /16s and 101 /24s
          Percentage of available RIPE address space announced:          83.1
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-49151
      RIPE Address Blocks     62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 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:                   23498
          Total LACNIC prefixes after maximum aggregation:               5752
          LACNIC Deaggregation factor:                                   4.09
      Prefixes being announced from the LACNIC address blocks:          21672
          Unique aggregates announced from the LACNIC address blocks:   11739
      LACNIC Region origin ASes present in the Internet Routing Table:   1078
          LACNIC Prefixes per ASN:                                      20.10
      LACNIC Region origin ASes announcing only one prefix:               346
      LACNIC Region transit ASes present in the Internet Routing Table:   178
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              61303808
          Equivalent to 3 /8s, 167 /16s and 108 /24s
          Percentage of available LACNIC address space announced:        60.9
      
      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:                   4746
          Total AfriNIC prefixes after maximum aggregation:              1375
          AfriNIC Deaggregation factor:                                  3.45
      Prefixes being announced from the AfriNIC address blocks:          4456
          Unique aggregates announced from the AfriNIC address blocks:   1334
      AfriNIC Region origin ASes present in the Internet Routing Table:   284
          AfriNIC Prefixes per ASN:                                     15.69
      AfriNIC Region origin ASes announcing only one prefix:               85
      AfriNIC Region transit ASes present in the Internet Routing Table:   58
      Average AfriNIC Region AS path length visible:                      4.0
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             10109184
          Equivalent to 0 /8s, 154 /16s and 65 /24s
          Percentage of available AfriNIC address space announced:       30.1
      
      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     1689       6928         396   Korea Telecom (KIX)
      17488     1527        119          96   Hathway IP Over Cable Interne
       4755     1212        430         183   TATA Communications formerly 
       9583     1097         87         528   Sify Limited
       4134      927      16271         367   CHINANET-BACKBONE
      18101      750        198          29   Reliance Infocom Ltd Internet
       7545      733        158         100   TPG Internet Pty Ltd
       9498      690        297          51   BHARTI BT INTERNET LTD.
      24560      675        228         174   Bharti Airtel Ltd.
       9829      636        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     4363       3686         339   bellsouth.net, inc. 
        209     2837       4149         619   Qwest 
       4323     1780       1081         376   Time Warner Telecom
       1785     1724        717         137   PaeTec Communications, Inc.
      20115     1586       1429         718   Charter Communications 
       7018     1444       5880        1007   AT&T WorldNet Services
       6478     1277        296         523   AT&T Worldnet Services 
       2386     1266        681         900   AT&T Data Communications Serv
      11492     1191        192          12   Cable One 
       3356     1159      10976         444   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     1236        188           7   TEDATA
       3292      444       1762         389   TDC Tele Danmark
      30890      444         87         200   SC Kappa Invexim SRL
      12479      402        578           6   Uni2 Autonomous System
       3320      350       7081         293   Deutsche Telekom AG
       3301      341       1685         306   TeliaNet Sweden
       8866      337        109          22   Bulgarian Telecommunication C
       3215      335       2986         104   France Telecom Transpac
      29049      328         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     1441       2831         230   UniNet S.A. de C.V. 
      10620      811        181          97   TVCABLE BOGOTA 
      11830      701        299           9   Instituto Costarricense de El
      22047      608        302          14   VTR PUNTO NET S.A. 
       7303      515        257          79   Telecom Argentina Stet-France
      16814      491         31          10   NSS, S.A. 
       6471      440         95          32   ENTEL CHILE S.A. 
      11172      406        118          74   Servicios Alestra S.A de C.V 
       7738      397        794          28   Telecomunicacoes da Bahia S.A
      28573      378        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      805         75          26   LINKdotNET AS number
      20858      292         34           3   This AS will be used to conne
       3741      271        857         229   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      130         15           8   Ci Telecom Autonomous system 
       5536      122          8          14   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     4363       3686         339   bellsouth.net, inc. 
        209     2837       4149         619   Qwest 
       4323     1780       1081         376   Time Warner Telecom
       1785     1724        717         137   PaeTec Communications, Inc.
       4766     1689       6928         396   Korea Telecom (KIX)
      20115     1586       1429         718   Charter Communications 
      17488     1527        119          96   Hathway IP Over Cable Interne
       7018     1444       5880        1007   AT&T WorldNet Services
       8151     1441       2831         230   UniNet S.A. de C.V. 
       6478     1277        296         523   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      2837        2218      Qwest 
       1785      1724        1587      PaeTec Communications, Inc.
      17488      1527        1431      Hathway IP Over Cable Interne
       4323      1780        1404      Time Warner Telecom
       4766      1689        1293      Korea Telecom (KIX)
       8452      1236        1229      TEDATA
       8151      1441        1211      UniNet S.A. de C.V. 
      11492      1191        1179      Cable One 
      18566      1061        1051      Covad Communications 
       4755      1212        1029      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     
      /13:319     /14:573     /15:1126    /16:10354   /17:4599    /18:7941    
      /19:16956   /20:20029   /21:19749   /22:25161   /23:25173   /24:147558  
      /25:702     /26:860     /27:584     /28:106     /29:8       /30:3       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2841          4363      bellsouth.net, inc. 
        209     1572          2837      Qwest 
       4766     1394          1689      Korea Telecom (KIX)
      17488     1296          1527      Hathway IP Over Cable Interne
       8452     1215          1236      TEDATA
      11492     1148          1191      Cable One 
       1785     1131          1724      PaeTec Communications, Inc.
      18566     1042          1061      Covad Communications 
       2386      959          1266      AT&T Data Communications Serv
       9583      949          1097      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        15:20       16:3      
        17:4        20:35       24:1116     32:51       38:541      40:97     
        41:1966     43:1        44:2        47:19       52:3        55:2      
        56:3        57:25       58:534      59:623      60:460      61:1103   
        62:1102     63:2004     64:3537     65:2426     66:3546     67:1479   
        68:663      69:2493     70:510      71:157      72:1629     73:2      
        74:1431     75:201      76:310      77:811      78:564      79:325    
        80:969      81:847      82:555      83:420      84:590      85:1012   
        86:397      87:626      88:348      89:1389     90:42       91:2020   
        92:271      93:1159     94:1166     95:557      96:97       97:181    
        98:229      99:16      109:1       110:8       112:75      113:82     
       114:203     115:230     116:1120    117:493     118:287     119:601    
       120:133     121:706     122:965     123:542     124:941     125:1286   
       128:220     129:224     130:135     131:413     132:74      133:9      
       134:336     135:38      136:223     137:142     138:145     139:79     
       140:417     141:109     142:391     143:321     144:326     145:40     
       146:369     147:150     148:510     149:231     150:141     151:201    
       152:151     153:134     154:10      155:263     156:170     157:294    
       158:131     159:243     160:281     161:138     162:269     163:145    
       164:519     165:523     166:274     167:357     168:664     169:163    
       170:476     171:39      172:10      173:239     174:134     178:1      
       186:9       187:43      188:6       189:308     190:2680    192:5814   
       193:4219    194:3326    195:2714    196:1057    198:3713    199:3301   
       200:5483    201:1516    202:7794    203:8037    204:3776    205:2160   
       206:2347    207:2823    208:3880    209:3462    210:2641    211:1120   
       212:1493    213:1708    214:69      215:24      216:4558    217:1232   
       218:366     219:399     220:1204    221:341     222:316    
      
      End of report