[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, 11 Jul 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 11 Jul, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              290262
          Prefixes after maximum aggregation:                          137789
          Deaggregation factor:                                          2.11
          Unique aggregates announced to Internet:                     144391
      Total ASes present in the Internet Routing Table:                 31706
          Prefixes per ASN:                                              9.15
      Origin-only ASes present in the Internet Routing Table:           27560
      Origin ASes announcing only one prefix:                           13420
      Transit ASes present in the Internet Routing Table:                4146
      Transit-only ASes present in the Internet Routing Table:            100
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (12026)                               22
      Prefixes from unregistered ASNs in the Routing Table:               474
          Unregistered ASNs in the Routing Table:                         132
      Number of 32-bit ASNs allocated by the RIRs:                        198
      Prefixes from 32-bit ASNs in the Routing Table:                      71
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            345
      Number of addresses announced to Internet:                   2087524224
          Equivalent to 124 /8s, 109 /16s and 23 /24s
          Percentage of available address space announced:               56.3
          Percentage of allocated address space announced:               65.2
          Percentage of available address space allocated:               86.4
          Percentage of address space in use by end-sites:               78.3
      Total number of prefixes smaller than registry allocations:      143711
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    69187
          Total APNIC prefixes after maximum aggregation:               24705
          APNIC Deaggregation factor:                                    2.80
      Prefixes being announced from the APNIC address blocks:           68608
          Unique aggregates announced from the APNIC address blocks:    31331
      APNIC Region origin ASes present in the Internet Routing Table:    3695
          APNIC Prefixes per ASN:                                       18.57
      APNIC Region origin ASes announcing only one prefix:               1009
      APNIC Region transit ASes present in the Internet Routing Table:    577
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              469024448
          Equivalent to 27 /8s, 244 /16s and 190 /24s
          Percentage of available APNIC address space announced:         87.4
      
      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,
                             180/8, 183/8, 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:                    123512
          Total ARIN prefixes after maximum aggregation:                65893
          ARIN Deaggregation factor:                                     1.87
      Prefixes being announced from the ARIN address blocks:           124200
          Unique aggregates announced from the ARIN address blocks:     52016
      ARIN Region origin ASes present in the Internet Routing Table:    13085
          ARIN Prefixes per ASN:                                         9.49
      ARIN Region origin ASes announcing only one prefix:                5027
      ARIN Region transit ASes present in the Internet Routing Table:    1279
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:              1027107904
          Equivalent to 61 /8s, 56 /16s and 108 /24s
          Percentage of available ARIN address space announced:         197.5
      
      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
                             53248-55295
      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:                     66575
          Total RIPE prefixes after maximum aggregation:                39344
          RIPE Deaggregation factor:                                     1.69
      Prefixes being announced from the RIPE address blocks:            66212
          Unique aggregates announced from the RIPE address blocks:     44657
      RIPE Region origin ASes present in the Internet Routing Table:    13271
          RIPE Prefixes per ASN:                                         4.99
      RIPE Region origin ASes announcing only one prefix:                6926
      RIPE Region transit ASes present in the Internet Routing Table:    1987
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               496541888
          Equivalent to 29 /8s, 152 /16s and 160 /24s
          Percentage of available RIPE address space announced:         105.7
      
      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:                   24417
          Total LACNIC prefixes after maximum aggregation:               6023
          LACNIC Deaggregation factor:                                   4.05
      Prefixes being announced from the LACNIC address blocks:          24331
          Unique aggregates announced from the LACNIC address blocks:   13563
      LACNIC Region origin ASes present in the Internet Routing Table:   1139
          LACNIC Prefixes per ASN:                                      21.36
      LACNIC Region origin ASes announcing only one prefix:               367
      LACNIC Region transit ASes present in the Internet Routing Table:   189
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              72246144
          Equivalent to 4 /8s, 78 /16s and 99 /24s
          Percentage of available LACNIC address space announced:        71.8
      
      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:                   6155
          Total AfriNIC prefixes after maximum aggregation:              1499
          AfriNIC Deaggregation factor:                                  4.11
      Prefixes being announced from the AfriNIC address blocks:          6552
          Unique aggregates announced from the AfriNIC address blocks:   2548
      AfriNIC Region origin ASes present in the Internet Routing Table:   307
          AfriNIC Prefixes per ASN:                                     21.34
      AfriNIC Region origin ASes announcing only one prefix:               91
      AfriNIC Region transit ASes present in the Internet Routing Table:   66
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             20229888
          Equivalent to 1 /8s, 52 /16s and 175 /24s
          Percentage of available AfriNIC address space announced:       60.3
      
      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     1702       6934         407   Korea Telecom (KIX)
      17488     1536        138          94   Hathway IP Over Cable Interne
       4755     1217        308         144   TATA Communications formerly 
       9583     1125         87         560   Sify Limited
       4134      979      17164         376   CHINANET-BACKBONE
       7545      812        198         102   TPG Internet Pty Ltd
      23577      781         34         665   Korea Telecom (ATM-MPLS)
       9829      766        603          18   BSNL National Internet Backbo
      18101      750        200          32   Reliance Infocom Ltd Internet
      24560      725        230         171   Bharti Airtel Ltd.
      
      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     4261       3643         322   bellsouth.net, inc. 
       4323     1886       1047         384   Time Warner Telecom
       1785     1709        714         140   PaeTec Communications, Inc.
       7018     1504       5909        1050   AT&T WorldNet Services
      20115     1405       1464         681   Charter Communications 
       2386     1272        671         925   AT&T Data Communications Serv
       6478     1209        275         308   AT&T Worldnet Services 
       3356     1195      10961         442   Level 3 Communications, LLC 
      11492     1127        208          12   Cable One 
      22773     1075       2604          66   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
      30890      484         92         197   Evolva Telecom
      12479      476        578           6   Uni2 Autonomous System
       3292      458       1902         394   TDC Tele Danmark
        702      428       1861         344   UUNET - Commercial IP service
      35805      356         40           5   United Telecom of Georgia
       3320      348       7067         301   Deutsche Telekom AG
       3301      347       1684         309   TeliaNet Sweden
       3215      343       3065         108   France Telecom Transpac
       8866      335        109          20   Bulgarian Telecommunication C
      29049      308         26           3   AzerSat LLC.
      
      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     1457       2882         235   UniNet S.A. de C.V. 
      10620      923        211         104   TVCABLE BOGOTA 
      28573      611        570          31   NET Servicos de Comunicao S.A
       7303      591        312          93   Telecom Argentina Stet-France
      22047      543        302          14   VTR PUNTO NET S.A. 
      11830      488        294          52   Instituto Costarricense de El
      11172      441         99          69   Servicios Alestra S.A de C.V 
       6471      439         96          31   ENTEL CHILE S.A. 
       7738      410        858          29   Telecomunicacoes da Bahia S.A
       3816      382        190          78   Empresa Nacional de Telecomun
      
      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
       8452      993        188           7   TEDATA
      24863      894         88          46   LINKdotNET AS number
      20858      322         34           5   EgyNet
       3741      276        856         236   The Internet Solution 
       2018      243        215         143   Tertiary Education Network 
       6713      176        166          16   Itissalat Al-MAGHRIB
      33783      152         10           8   EEPAD TISP TELECOM & INTERNET
      29571      140         15           8   Ci Telecom Autonomous system 
       5536      123          8           9   Internet Egypt Network
      33776      121          7          11   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     4261       3643         322   bellsouth.net, inc. 
       4323     1886       1047         384   Time Warner Telecom
       1785     1709        714         140   PaeTec Communications, Inc.
       4766     1702       6934         407   Korea Telecom (KIX)
      17488     1536        138          94   Hathway IP Over Cable Interne
       7018     1504       5909        1050   AT&T WorldNet Services
       8151     1457       2882         235   UniNet S.A. de C.V. 
      20115     1405       1464         681   Charter Communications 
       2386     1272        671         925   AT&T Data Communications Serv
       4755     1217        308         144   TATA Communications formerly 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       1785      1709        1569      PaeTec Communications, Inc.
       4323      1886        1502      Time Warner Telecom
      17488      1536        1442      Hathway IP Over Cable Interne
       4766      1702        1295      Korea Telecom (KIX)
       8151      1457        1222      UniNet S.A. de C.V. 
      11492      1127        1115      Cable One 
       4755      1217        1073      TATA Communications formerly 
      18566      1062        1052      Covad Communications 
      22773      1075        1009      Cox Communications, Inc.
       8452       993         986      TEDATA
      
      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
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.112.0/22       5713     Telkom SA Ltd 
      41.223.176.0/22      36981     >>UNKNOWN<<
      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 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      63.143.251.0/24      22555     Universal Talkware Corporatio
      64.31.32.0/19        11955     ServiceCo LLC - Road Runner 
      
      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        /8:20       /9:10      /10:23      /11:58      /12:169     
      /13:350     /14:611     /15:1164    /16:10527   /17:4749    /18:8201    
      /19:17096   /20:20431   /21:20272   /22:26049   /23:25958   /24:151912  
      /25:902     /26:1028    /27:561     /28:148     /29:8       /30:7       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2773          4261      bellsouth.net, inc. 
       4766     1401          1702      Korea Telecom (KIX)
      17488     1282          1536      Hathway IP Over Cable Interne
       1785     1180          1709      PaeTec Communications, Inc.
      11492     1053          1127      Cable One 
      18566     1043          1062      Covad Communications 
       2386      988          1272      AT&T Data Communications Serv
       9583      977          1125      Sify Limited
       4323      957          1886      Time Warner Telecom
       8452      917           993      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:14        8:209      12:2141     13:8        15:19       16:3      
        17:5        20:35       24:1098     32:51       38:576      40:98     
        41:1766     43:1        44:2        47:22       52:5        55:2      
        56:2        57:24       58:591      59:651      60:464      61:1075   
        62:1115     63:2046     64:3714     65:2406     66:3595     67:1606   
        68:822      69:2650     70:557      71:146      72:1664     73:2      
        74:1606     75:171      76:341      77:844      78:562      79:354    
        80:981      81:841      82:569      83:459      84:634      85:1026   
        86:393      87:673      88:352      89:1451     90:50       91:2392   
        92:330      93:1115     94:1229     95:1114     96:149      97:212    
        98:247      99:26      110:175     111:58      112:108     113:142    
       114:252     115:311     116:1096    117:536     118:352     119:743    
       120:145     121:779     122:1052    123:709     124:983     125:1392   
       128:224     129:231     130:128     131:399     132:71      133:9      
       134:188     135:39      136:223     137:163     138:169     139:79     
       140:442     141:119     142:391     143:353     144:366     145:48     
       146:387     147:154     148:519     149:232     150:177     151:194    
       152:145     153:147     154:2       155:274     156:164     157:300    
       158:118     159:343     160:284     161:152     162:274     163:162    
       164:480     165:502     166:463     167:356     168:656     169:171    
       170:477     171:41      172:10      173:305     174:235     178:1      
       186:96      187:99      188:246     189:473     190:2875    192:5789   
       193:4254    194:3311    195:2682    196:1103    198:3601    199:3361   
       200:5107    201:1317    202:7707    203:8267    204:3890    205:2153   
       206:2444    207:2740    208:3870    209:3375    210:2540    211:1133   
       212:1633    213:1636    214:73      215:24      216:4533    217:1335   
       218:400     219:441     220:1114    221:481     222:303    
      
      End of report