[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, 25 Apr 2009 04:14:48 +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 25 Apr, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              286265
          Prefixes after maximum aggregation:                          135384
          Deaggregation factor:                                          2.11
          Unique aggregates announced to Internet:                     141034
      Total ASes present in the Internet Routing Table:                 31102
          Prefixes per ASN:                                              9.20
      Origin-only ASes present in the Internet Routing Table:           27064
      Origin ASes announcing only one prefix:                           13174
      Transit ASes present in the Internet Routing Table:                4038
      Transit-only ASes present in the Internet Routing Table:             94
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (43683)                               31
      Prefixes from unregistered ASNs in the Routing Table:               456
          Unregistered ASNs in the Routing Table:                         152
      Number of 32-bit ASNs allocated by the RIRs:                        141
      Prefixes from 32-bit ASNs in the Routing Table:                      25
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            208
      Number of addresses announced to Internet:                   2035527744
          Equivalent to 121 /8s, 83 /16s and 176 /24s
          Percentage of available address space announced:               54.9
          Percentage of allocated address space announced:               64.2
          Percentage of available address space allocated:               85.5
          Percentage of address space in use by end-sites:               76.5
      Total number of prefixes smaller than registry allocations:      141104
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    66477
          Total APNIC prefixes after maximum aggregation:               23664
          APNIC Deaggregation factor:                                    2.81
      Prefixes being announced from the APNIC address blocks:           63236
          Unique aggregates announced from the APNIC address blocks:    28895
      APNIC Region origin ASes present in the Internet Routing Table:    3607
          APNIC Prefixes per ASN:                                       17.53
      APNIC Region origin ASes announcing only one prefix:                974
      APNIC Region transit ASes present in the Internet Routing Table:    548
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              411598112
          Equivalent to 24 /8s, 136 /16s and 125 /24s
          Percentage of available APNIC address space announced:         81.8
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 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:                    124769
          Total ARIN prefixes after maximum aggregation:                65935
          ARIN Deaggregation factor:                                     1.89
      Prefixes being announced from the ARIN address blocks:            93936
          Unique aggregates announced from the ARIN address blocks:     36650
      ARIN Region origin ASes present in the Internet Routing Table:    12944
          ARIN Prefixes per ASN:                                         7.26
      ARIN Region origin ASes announcing only one prefix:                4998
      ARIN Region transit ASes present in the Internet Routing Table:    1253
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:               427360000
          Equivalent to 25 /8s, 120 /16s and 255 /24s
          Percentage of available ARIN address space announced:          82.2
      
      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
                             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:                     65947
          Total RIPE prefixes after maximum aggregation:                38185
          RIPE Deaggregation factor:                                     1.73
      Prefixes being announced from the RIPE address blocks:            60269
          Unique aggregates announced from the RIPE address blocks:     40136
      RIPE Region origin ASes present in the Internet Routing Table:    12930
          RIPE Prefixes per ASN:                                         4.66
      RIPE Region origin ASes announcing only one prefix:                6763
      RIPE Region transit ASes present in the Internet Routing Table:    1952
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          33
      Number of RIPE addresses announced to Internet:               393057312
          Equivalent to 23 /8s, 109 /16s and 148 /24s
          Percentage of available RIPE address space announced:          83.7
      
      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:                   23764
          Total LACNIC prefixes after maximum aggregation:               5853
          LACNIC Deaggregation factor:                                   4.06
      Prefixes being announced from the LACNIC address blocks:          21917
          Unique aggregates announced from the LACNIC address blocks:   12078
      LACNIC Region origin ASes present in the Internet Routing Table:   1095
          LACNIC Prefixes per ASN:                                      20.02
      LACNIC Region origin ASes announcing only one prefix:               350
      LACNIC Region transit ASes present in the Internet Routing Table:   181
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        28
      Number of LACNIC addresses announced to Internet:              62481664
          Equivalent to 3 /8s, 185 /16s and 101 /24s
          Percentage of available LACNIC address space announced:        62.1
      
      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:                   4885
          Total AfriNIC prefixes after maximum aggregation:              1406
          AfriNIC Deaggregation factor:                                  3.47
      Prefixes being announced from the AfriNIC address blocks:          4578
          Unique aggregates announced from the AfriNIC address blocks:   1394
      AfriNIC Region origin ASes present in the Internet Routing Table:   292
          AfriNIC Prefixes per ASN:                                     15.68
      AfriNIC Region origin ASes announcing only one prefix:               89
      AfriNIC Region transit ASes present in the Internet Routing Table:   59
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             11293696
          Equivalent to 0 /8s, 172 /16s and 84 /24s
          Percentage of available AfriNIC address space announced:       33.7
      
      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     1694       6930         401   Korea Telecom (KIX)
      17488     1553        124          98   Hathway IP Over Cable Interne
       4755     1229        432         176   TATA Communications formerly 
       9583     1090         87         539   Sify Limited
       4134      896      16580         371   CHINANET-BACKBONE
       7545      788        168         107   TPG Internet Pty Ltd
      18101      751        217          31   Reliance Infocom Ltd Internet
      24560      682        228         174   Bharti Airtel Ltd.
       9498      675        297          53   BHARTI BT INTERNET LTD.
       9829      634        495          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     4314       3669         346   bellsouth.net, inc. 
        209     2648       4151         624   Qwest 
       4323     1837       1051         375   Time Warner Telecom
       1785     1752        717         139   PaeTec Communications, Inc.
      20115     1616       1439         719   Charter Communications 
       7018     1479       5897        1015   AT&T WorldNet Services
       6478     1368        305         454   AT&T Worldnet Services 
       2386     1255        681         905   AT&T Data Communications Serv
       3356     1194      10980         454   Level 3 Communications, LLC 
      11492     1163        192          11   Cable One 
      
      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     1248        188           7   TEDATA
      30890      539         88         198   SC Kappa Invexim SRL
       3292      452       1764         390   TDC Tele Danmark
      12479      447        578           6   Uni2 Autonomous System
       3301      343       1670         307   TeliaNet Sweden
       3320      342       7080         293   Deutsche Telekom AG
       3215      340       3025         108   France Telecom Transpac
       8866      337        109          22   Bulgarian Telecommunication C
      35805      324         24           4   United Telecom of Georgia
      29049      319         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     1450       2848         233   UniNet S.A. de C.V. 
      10620      889        198          97   TVCABLE BOGOTA 
      22047      615        302          14   VTR PUNTO NET S.A. 
       7303      521        270          74   Telecom Argentina Stet-France
      11830      516        294          34   Instituto Costarricense de El
      16814      461         31          10   NSS, S.A. 
       6471      442         96          31   ENTEL CHILE S.A. 
      11172      410        102          72   Servicios Alestra S.A de C.V 
      28573      405        536          26   NET Servicos de Comunicao S.A
       7738      397        794          28   Telecomunicacoes da Bahia 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      855         78          35   LINKdotNET AS number
      20858      297         34           4   This AS will be used to conne
       3741      277        860         237   The Internet Solution 
       2018      243        215         143   Tertiary Education Network 
       6713      159        150          15   Itissalat Al-MAGHRIB
      33783      151         10           8   EEPAD TISP TELECOM & INTERNET
      29571      138         15           9   Ci Telecom Autonomous system 
       5536      123          8           9   Internet Egypt Network
       5713      115        507          66   Telkom SA Ltd 
      33776      107          6           3   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     4314       3669         346   bellsouth.net, inc. 
        209     2648       4151         624   Qwest 
       4323     1837       1051         375   Time Warner Telecom
       1785     1752        717         139   PaeTec Communications, Inc.
       4766     1694       6930         401   Korea Telecom (KIX)
      20115     1616       1439         719   Charter Communications 
      17488     1553        124          98   Hathway IP Over Cable Interne
       7018     1479       5897        1015   AT&T WorldNet Services
       8151     1450       2848         233   UniNet S.A. de C.V. 
       6478     1368        305         454   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      2648        2024      Qwest 
       1785      1752        1613      PaeTec Communications, Inc.
       4323      1837        1462      Time Warner Telecom
      17488      1553        1455      Hathway IP Over Cable Interne
       4766      1694        1293      Korea Telecom (KIX)
       8452      1248        1241      TEDATA
       8151      1450        1217      UniNet S.A. de C.V. 
      11492      1163        1152      Cable One 
       4755      1229        1053      TATA Communications formerly 
      18566      1059        1049      Covad Communications 
      
      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 
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      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
      
      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      /11:58      /12:166     
      /13:335     /14:595     /15:1147    /16:10427   /17:4694    /18:8086    
      /19:17057   /20:20310   /21:20145   /22:25752   /23:25374   /24:149930  
      /25:726     /26:848     /27:350     /28:161     /29:37      /30:10      
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2812          4314      bellsouth.net, inc. 
       4766     1391          1694      Korea Telecom (KIX)
        209     1353          2648      Qwest 
      17488     1304          1553      Hathway IP Over Cable Interne
       8452     1227          1248      TEDATA
       1785     1158          1752      PaeTec Communications, Inc.
      11492     1107          1163      Cable One 
      18566     1040          1059      Covad Communications 
       2386      954          1255      AT&T Data Communications Serv
       4323      951          1837      Time Warner Telecom
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:13        8:200      12:2223     13:3        15:19       16:3      
        17:4        20:35       24:1076     32:50       38:523      40:97     
        41:2012     43:1        44:2        47:22       52:3        55:2      
        56:3        57:25       58:573      59:629      60:460      61:1114   
        62:1106     63:2034     64:3663     65:2394     66:3599     67:1514   
        68:719      69:2577     70:534      71:134      72:1652     73:2      
        74:1494     75:168      76:306      77:847      78:555      79:311    
        80:979      81:815      82:543      83:423      84:606      85:1059   
        86:394      87:635      88:357      89:1454     90:47       91:2161   
        92:350      93:1125     94:1189     95:1041     96:120      97:189    
        98:214      99:17      109:1       110:58      112:108     113:100    
       114:224     115:249     116:1159    117:515     118:293     119:668    
       120:143     121:704     122:1011    123:673     124:970     125:1311   
       128:224     129:231     130:127     131:417     132:73      133:9      
       134:185     135:214     136:242     137:151     138:149     139:79     
       140:424     141:107     142:376     143:335     144:357     145:45     
       146:372     147:154     148:519     149:236     150:181     151:198    
       152:151     153:138     154:2       155:271     156:169     157:298    
       158:126     159:304     160:282     161:133     162:274     163:149    
       164:482     165:537     166:267     167:357     168:687     169:163    
       170:472     171:38      172:10      173:271     174:186     178:1      
       186:8       187:76      188:9       189:333     190:2712    192:5797   
       193:4227    194:3309    195:2691    196:1055    198:3715    199:3321   
       200:5437    201:1347    202:7853    203:8163    204:3807    205:2150   
       206:2407    207:2806    208:3881    209:3390    210:2646    211:1100   
       212:1527    213:1713    214:71      215:30      216:4572    217:1260   
       218:361     219:420     220:1208    221:453     222:296    
      
      End of report