[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, 12 Sep 2009 04:11:45 +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 12 Sep, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              295211
          Prefixes after maximum aggregation:                          139476
          Deaggregation factor:                                          2.12
          Unique aggregates announced to Internet:                     147649
      Total ASes present in the Internet Routing Table:                 32157
          Prefixes per ASN:                                              9.18
      Origin-only ASes present in the Internet Routing Table:           27945
      Origin ASes announcing only one prefix:                           13653
      Transit ASes present in the Internet Routing Table:                4212
      Transit-only ASes present in the Internet Routing Table:            101
      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:               422
          Unregistered ASNs in the Routing Table:                         115
      Number of 32-bit ASNs allocated by the RIRs:                        266
      Prefixes from 32-bit ASNs in the Routing Table:                     120
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            231
      Number of addresses announced to Internet:                   2104209216
          Equivalent to 125 /8s, 107 /16s and 175 /24s
          Percentage of available address space announced:               56.8
          Percentage of allocated address space announced:               65.0
          Percentage of available address space allocated:               87.3
          Percentage of address space in use by end-sites:               78.8
      Total number of prefixes smaller than registry allocations:      141055
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    70468
          Total APNIC prefixes after maximum aggregation:               24950
          APNIC Deaggregation factor:                                    2.82
      Prefixes being announced from the APNIC address blocks:           66937
          Unique aggregates announced from the APNIC address blocks:    30456
      APNIC Region origin ASes present in the Internet Routing Table:    3784
          APNIC Prefixes per ASN:                                       17.69
      APNIC Region origin ASes announcing only one prefix:               1037
      APNIC Region transit ASes present in the Internet Routing Table:    588
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              458005344
          Equivalent to 27 /8s, 76 /16s and 155 /24s
          Percentage of available APNIC address space announced:         78.0
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks    43/8,  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, 175/8, 180/8, 182/8, 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:                    124876
          Total ARIN prefixes after maximum aggregation:                66495
          ARIN Deaggregation factor:                                     1.88
      Prefixes being announced from the ARIN address blocks:            99443
          Unique aggregates announced from the ARIN address blocks:     38338
      ARIN Region origin ASes present in the Internet Routing Table:    13222
          ARIN Prefixes per ASN:                                         7.52
      ARIN Region origin ASes announcing only one prefix:                5117
      ARIN Region transit ASes present in the Internet Routing Table:    1294
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:               707359360
          Equivalent to 42 /8s, 41 /16s and 114 /24s
          Percentage of available ARIN address space announced:          62.0
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  24/8,  26/8,  28/8,  29/8,
                              30/8,  32/8,  33/8,  34/8,  35/8,  38/8,  40/8,
                              44/8,  45/8,  47/8,  48/8,  52/8,  54/8,  55/8,
                              56/8,  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, 214/8, 215/8, 216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     68016
          Total RIPE prefixes after maximum aggregation:                39994
          RIPE Deaggregation factor:                                     1.70
      Prefixes being announced from the RIPE address blocks:            61886
          Unique aggregates announced from the RIPE address blocks:     41336
      RIPE Region origin ASes present in the Internet Routing Table:    13459
          RIPE Prefixes per ASN:                                         4.60
      RIPE Region origin ASes announcing only one prefix:                7025
      RIPE Region transit ASes present in the Internet Routing Table:    2027
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               397595456
          Equivalent to 23 /8s, 178 /16s and 211 /24s
          Percentage of available RIPE address space announced:          79.0
      
      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, 196608-197631
      RIPE Address Blocks     25/8,  51/8,  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:                   25363
          Total LACNIC prefixes after maximum aggregation:               6220
          LACNIC Deaggregation factor:                                   4.08
      Prefixes being announced from the LACNIC address blocks:          23699
          Unique aggregates announced from the LACNIC address blocks:   13207
      LACNIC Region origin ASes present in the Internet Routing Table:   1177
          LACNIC Prefixes per ASN:                                      20.14
      LACNIC Region origin ASes announcing only one prefix:               379
      LACNIC Region transit ASes present in the Internet Routing Table:   191
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              66365952
          Equivalent to 3 /8s, 244 /16s and 170 /24s
          Percentage of available LACNIC address space announced:        65.9
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 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:                   6131
          Total AfriNIC prefixes after maximum aggregation:              1561
          AfriNIC Deaggregation factor:                                  3.93
      Prefixes being announced from the AfriNIC address blocks:          4483
          Unique aggregates announced from the AfriNIC address blocks:   1517
      AfriNIC Region origin ASes present in the Internet Routing Table:   320
          AfriNIC Prefixes per ASN:                                     14.01
      AfriNIC Region origin ASes announcing only one prefix:               95
      AfriNIC Region transit ASes present in the Internet Routing Table:   68
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12306688
          Equivalent to 0 /8s, 187 /16s and 201 /24s
          Percentage of available AfriNIC address space announced:       36.7
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & 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     1729       6982         427   Korea Telecom (KIX)
      17488     1542        137         102   Hathway IP Over Cable Interne
       4755     1258        292         143   TATA Communications formerly 
       9583     1097         87         533   Sify Limited
       4134     1006      18167         389   CHINANET-BACKBONE
      18101      959        201          32   Reliance Infocom Ltd Internet
       7545      842        198          99   TPG Internet Pty Ltd
       9829      811        625          18   BSNL National Internet Backbo
       4808      766       1534         183   CNCGROUP IP network: China169
      23577      763         33         648   Korea Telecom (ATM-MPLS)
      
      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     4173       3626         313   bellsouth.net, inc. 
       4323     1927       1049         389   Time Warner Telecom
       1785     1739        714         138   PaeTec Communications, Inc.
       7018     1526       5909        1059   AT&T WorldNet Services
      20115     1479       1477         674   Charter Communications 
       6478     1405        282         249   AT&T Worldnet Services 
       2386     1292        654         939   AT&T Data Communications Serv
       3356     1226      10980         439   Level 3 Communications, LLC 
      11492     1120        208          12   Cable One 
      22773     1099       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      489         92         199   Evolva Telecom
       3292      448       1901         395   TDC Tele Danmark
      12479      426        578           6   Uni2 Autonomous System
        702      425       1821         343   UUNET - Commercial IP service
      35805      386         40           5   United Telecom of Georgia
       9198      375        138          12   Kazakhtelecom Data Network Ad
       8866      358        110          23   Bulgarian Telecommunication C
       3320      354       7067         303   Deutsche Telekom AG
       3301      350       1412         309   TeliaNet Sweden
       3215      347       3121         111   France Telecom Transpac
      
      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     1495       2899         243   UniNet S.A. de C.V. 
      10620     1013        226          97   TVCABLE BOGOTA 
      28573      707        620          61   NET Servicos de Comunicao S.A
       7303      635        336          93   Telecom Argentina Stet-France
      22047      542        302          14   VTR PUNTO NET S.A. 
      11830      476        310          58   Instituto Costarricense de El
      11172      441         99          69   Servicios Alestra S.A de C.V 
       7738      424        858          29   Telecomunicacoes da Bahia S.A
       6471      421         96          31   ENTEL CHILE S.A. 
       3816      401        191          79   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      992        188           7   TEDATA
      24863      947         96          57   LINKdotNET AS number
      20858      296         34           6   EgyNet
       3741      275        856         236   The Internet Solution 
       2018      207        180         142   Tertiary Education Network 
       6713      175        166          16   Itissalat Al-MAGHRIB
      29571      139         14           6   Ci Telecom Autonomous system 
      24835      131         46           9   RAYA Telecom - Egypt
      33776      123          7          11   Starcomms Nigeria Limited
       5536      122          8          13   Internet Egypt Network
      
      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     4173       3626         313   bellsouth.net, inc. 
       4323     1927       1049         389   Time Warner Telecom
       1785     1739        714         138   PaeTec Communications, Inc.
       4766     1729       6982         427   Korea Telecom (KIX)
      17488     1542        137         102   Hathway IP Over Cable Interne
       7018     1526       5909        1059   AT&T WorldNet Services
       8151     1495       2899         243   UniNet S.A. de C.V. 
      20115     1479       1477         674   Charter Communications 
       6478     1405        282         249   AT&T Worldnet Services 
       2386     1292        654         939   AT&T Data Communications Serv
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       1785      1739        1601      PaeTec Communications, Inc.
       4323      1927        1538      Time Warner Telecom
      17488      1542        1440      Hathway IP Over Cable Interne
       4766      1729        1302      Korea Telecom (KIX)
       8151      1495        1252      UniNet S.A. de C.V. 
       6478      1405        1156      AT&T Worldnet Services 
       4755      1258        1115      TATA Communications formerly 
      11492      1120        1108      Cable One 
      18566      1062        1052      Covad Communications 
      22773      1099        1033      Cox Communications, Inc.
      
      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<<
      41.223.176.0/22      36981     >>UNKNOWN<<
      41.223.189.0/24      26452     Local Communications Networks
      43.245.0.0/16         7502     Internetwork Kyoto
      43.245.96.0/20        7502     Internetwork Kyoto
      43.245.112.0/20       7502     Internetwork Kyoto
      43.245.192.0/20       7502     Internetwork Kyoto
      43.245.208.0/20       7502     Internetwork Kyoto
      43.245.224.0/20       7502     Internetwork Kyoto
      62.61.220.0/24       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      /10:25      /11:62      /12:174     
      /13:350     /14:627     /15:1192    /16:10662   /17:4823    /18:8391    
      /19:17402   /20:20778   /21:20625   /22:26667   /23:26514   /24:154117  
      /25:942     /26:1080    /27:575     /28:151     /29:8       /30:9       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2705          4173      bellsouth.net, inc. 
       4766     1408          1729      Korea Telecom (KIX)
      17488     1291          1542      Hathway IP Over Cable Interne
       1785     1206          1739      PaeTec Communications, Inc.
      11492     1047          1120      Cable One 
      18566     1043          1062      Covad Communications 
       4323      969          1927      Time Warner Telecom
       9583      949          1097      Sify Limited
      10620      919          1013      TVCABLE BOGOTA 
       8452      914           992      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:13        8:214      12:2143     13:7        15:21       16:3      
        17:5        20:36       24:1129     32:52       34:2        38:603    
        40:97       41:1719     43:1        44:2        47:24       52:6      
        55:2        56:2        57:25       58:606      59:610      60:458    
        61:962      62:1081     63:2009     64:3623     65:2392     66:3414   
        67:1761     68:980      69:2749     70:569      71:154      72:1682   
        73:2        74:1734     75:179      76:321      77:873      78:582    
        79:380      80:918      81:807      82:525      83:435      84:641    
        85:1028     86:379      87:680      88:383      89:1469     90:49     
        91:2536     92:399      93:1149     94:1168     95:1087     96:167    
        97:268      98:262      99:30      109:3       110:191     111:430    
       112:131     113:154     114:246     115:312     116:1135    117:572    
       118:329     119:772     120:122     121:652     122:1259    123:767    
       124:1050    125:1355    128:222     129:214     130:129     131:420    
       132:75      133:9       134:173     135:42      136:224     137:164    
       138:172     139:84      140:432     141:125     142:382     143:335    
       144:380     145:49      146:390     147:162     148:533     149:212    
       150:206     151:187     152:210     153:155     154:2       155:282    
       156:168     157:306     158:112     159:350     160:291     161:164    
       162:270     163:164     164:276     165:528     166:474     167:368    
       168:708     169:167     170:475     171:42      172:2       173:408    
       174:310     175:1       178:1       180:22      182:1       186:147    
       187:150     188:940     189:604     190:2973    192:5773    193:4251   
       194:3286    195:2756    196:1145    198:3548    199:3353    200:5188   
       201:1297    202:7833    203:8278    204:3894    205:2195    206:2391   
       207:2721    208:3942    209:3396    210:2542    211:1108    212:1582   
       213:1655    214:170     215:33      216:4281    217:1308    218:411    
       219:427     220:1110    221:442     222:322    
      
      End of report