[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 Dec 2009 04:36:22 +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 Dec, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              306287
          Prefixes after maximum aggregation:                          142533
          Deaggregation factor:                                          2.15
          Unique aggregates announced to Internet:                     150582
      Total ASes present in the Internet Routing Table:                 32907
          Prefixes per ASN:                                              9.31
      Origin-only ASes present in the Internet Routing Table:           28575
      Origin ASes announcing only one prefix:                           13946
      Transit ASes present in the Internet Routing Table:                4332
      Transit-only ASes present in the Internet Routing Table:             99
      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:               994
          Unregistered ASNs in the Routing Table:                         135
      Number of 32-bit ASNs allocated by the RIRs:                        351
      Prefixes from 32-bit ASNs in the Routing Table:                     301
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            162
      Number of addresses announced to Internet:                   2160649728
          Equivalent to 128 /8s, 200 /16s and 230 /24s
          Percentage of available address space announced:               58.3
          Percentage of allocated address space announced:               66.1
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               80.3
      Total number of prefixes smaller than registry allocations:      147120
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    73696
          Total APNIC prefixes after maximum aggregation:               25498
          APNIC Deaggregation factor:                                    2.89
      Prefixes being announced from the APNIC address blocks:           70372
          Unique aggregates announced from the APNIC address blocks:    31050
      APNIC Region origin ASes present in the Internet Routing Table:    3895
          APNIC Prefixes per ASN:                                       18.07
      APNIC Region origin ASes announcing only one prefix:               1062
      APNIC Region transit ASes present in the Internet Routing Table:    607
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         23
      Number of APNIC addresses announced to Internet:              483880224
          Equivalent to 28 /8s, 215 /16s and 109 /24s
          Percentage of available APNIC address space announced:         80.1
      
      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, 133/8, 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:                    128493
          Total ARIN prefixes after maximum aggregation:                67389
          ARIN Deaggregation factor:                                     1.91
      Prefixes being announced from the ARIN address blocks:           103031
          Unique aggregates announced from the ARIN address blocks:     38828
      ARIN Region origin ASes present in the Internet Routing Table:    13397
          ARIN Prefixes per ASN:                                         7.69
      ARIN Region origin ASes announcing only one prefix:                5182
      ARIN Region transit ASes present in the Internet Routing Table:    1322
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:               733616416
          Equivalent to 43 /8s, 186 /16s and 25 /24s
          Percentage of available ARIN address space announced:          64.3
      
      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:                     70531
          Total RIPE prefixes after maximum aggregation:                41263
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            63953
          Unique aggregates announced from the RIPE address blocks:     42662
      RIPE Region origin ASes present in the Internet Routing Table:    13876
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                7219
      RIPE Region transit ASes present in the Internet Routing Table:    2088
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          23
      Number of RIPE addresses announced to Internet:               406627904
          Equivalent to 24 /8s, 60 /16s and 166 /24s
          Percentage of available RIPE address space announced:          75.7
      
      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, 196608-197631
      RIPE Address Blocks      2/8,  25/8,  46/8,  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:                   26775
          Total LACNIC prefixes after maximum aggregation:               6482
          LACNIC Deaggregation factor:                                   4.13
      Prefixes being announced from the LACNIC address blocks:          25094
          Unique aggregates announced from the LACNIC address blocks:   13714
      LACNIC Region origin ASes present in the Internet Routing Table:   1220
          LACNIC Prefixes per ASN:                                      20.57
      LACNIC Region origin ASes announcing only one prefix:               390
      LACNIC Region transit ASes present in the Internet Routing Table:   201
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        20
      Number of LACNIC addresses announced to Internet:              69110272
          Equivalent to 4 /8s, 30 /16s and 138 /24s
          Percentage of available LACNIC address space announced:        68.7
      
      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:                   5929
          Total AfriNIC prefixes after maximum aggregation:              1581
          AfriNIC Deaggregation factor:                                  3.75
      Prefixes being announced from the AfriNIC address blocks:          4339
          Unique aggregates announced from the AfriNIC address blocks:   1526
      AfriNIC Region origin ASes present in the Internet Routing Table:   335
          AfriNIC Prefixes per ASN:                                     12.95
      AfriNIC Region origin ASes announcing only one prefix:               93
      AfriNIC Region transit ASes present in the Internet Routing Table:   72
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       16
      Number of AfriNIC addresses announced to Internet:             14305536
          Equivalent to 0 /8s, 218 /16s and 73 /24s
          Percentage of available AfriNIC address space announced:       42.6
      
      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     1780       7509         461   Korea Telecom (KIX)
      17488     1459        143         132   Hathway IP Over Cable Interne
       4755     1278        295         147   TATA Communications formerly 
       4134     1012      19458         393   CHINANET-BACKBONE
       9583     1007         75         500   Sify Limited
      18101      992        204          34   Reliance Infocom Ltd Internet
       7545      917        198          98   TPG Internet Pty Ltd
      17974      849        270          58   PT TELEKOMUNIKASI INDONESIA
       9829      832        674          22   BSNL National Internet Backbo
      24560      810        294         176   Bharti Airtel Ltd., Telemedia
      
      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     4232       3895         311   bellsouth.net, inc. 
       4323     3770       1068         401   Time Warner Telecom
       1785     1791        699         135   PaeTec Communications, Inc.
       7018     1588       5807        1031   AT&T WorldNet Services
      20115     1525       1483         666   Charter Communications 
       2386     1293        632         933   AT&T Data Communications Serv
       3356     1202      10945         426   Level 3 Communications, LLC 
       6478     1169        253         330   AT&T Worldnet Services 
      11492     1145        222          14   Cable One 
      22773     1123       2600          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      516         98         207   Evolva Telecom
       9198      471        138          12   Kazakhtelecom Data Network Ad
      35805      465         40           5   United Telecom of Georgia
       3292      447       1903         392   TDC Tele Danmark
        702      418       1837         336   UUNET - Commercial IP service
       8551      377        354          41   Bezeq International
       8866      375        110          23   Bulgarian Telecommunication C
       3320      361       7068         307   Deutsche Telekom AG
       3215      350       3160         112   France Telecom Transpac
       3301      347       1411         303   TeliaNet Sweden
      
      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     1587       2899         231   UniNet S.A. de C.V. 
      10620     1002        223         136   TVCABLE BOGOTA 
      28573      821        669          84   NET Servicos de Comunicao S.A
       7303      665        351          96   Telecom Argentina Stet-France
      22047      545        302          14   VTR PUNTO NET S.A. 
      11830      473        308          59   Instituto Costarricense de El
      11172      446         99          70   Servicios Alestra S.A de C.V 
      14117      437         29          11   Telefonica del Sur S.A. 
       7738      432        858          29   Telecomunicacoes da Bahia S.A
       6503      430        163         181   AVANTEL, 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
       8452     1032        444           8   TEDATA
      24863      709        143          52   LINKdotNET AS number
       3741      273        857         233   The Internet Solution 
       2018      178        196         100   Tertiary Education Network 
       6713      175        167          12   Itissalat Al-MAGHRIB
      29571      152         19           9   Ci Telecom Autonomous system 
      29975      134        506          15   Vodacom
       5536      121          8          18   Internet Egypt Network
       5713      116        508          67   Telkom SA Ltd 
      33776      112          6          14   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     4232       3895         311   bellsouth.net, inc. 
       4323     3770       1068         401   Time Warner Telecom
       1785     1791        699         135   PaeTec Communications, Inc.
       4766     1780       7509         461   Korea Telecom (KIX)
       7018     1588       5807        1031   AT&T WorldNet Services
       8151     1587       2899         231   UniNet S.A. de C.V. 
      20115     1525       1483         666   Charter Communications 
      17488     1459        143         132   Hathway IP Over Cable Interne
       2386     1293        632         933   AT&T Data Communications Serv
       4755     1278        295         147   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
       4323      3770        3369      Time Warner Telecom
       1785      1791        1656      PaeTec Communications, Inc.
       8151      1587        1356      UniNet S.A. de C.V. 
      17488      1459        1327      Hathway IP Over Cable Interne
       4766      1780        1319      Korea Telecom (KIX)
       4755      1278        1131      TATA Communications formerly 
      11492      1145        1131      Cable One 
      22773      1123        1057      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
       8452      1032        1024      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
      2.0.0.0/16           12654     RIPE NCC RIS Project
      2.1.0.0/21           12654     RIPE NCC RIS Project
      2.1.24.0/24          12654     RIPE NCC RIS Project
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      46.0.0.0/16          12654     RIPE NCC RIS Project
      46.1.0.0/21          12654     RIPE NCC RIS Project
      46.1.24.0/24         12654     RIPE NCC RIS Project
      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        /8:21       /9:10      /10:25      /11:65      /12:180     
      /13:379     /14:645     /15:1228    /16:10813   /17:5022    /18:8568    
      /19:17677   /20:21536   /21:21484   /22:27765   /23:27724   /24:160197  
      /25:937     /26:1160    /27:589     /28:235     /29:11      /30:8       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2768          4232      bellsouth.net, inc. 
       4323     2370          3770      Time Warner Telecom
       4766     1431          1780      Korea Telecom (KIX)
       1785     1256          1791      PaeTec Communications, Inc.
      17488     1225          1459      Hathway IP Over Cable Interne
      11492     1067          1145      Cable One 
      18566     1040          1059      Covad Communications 
       7018      954          1588      AT&T WorldNet Services
       8452      928          1032      TEDATA
      10620      907          1002      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:1         2:1         4:13        8:225      12:2057     13:9      
        15:22       16:3        17:5        20:37       24:1283     32:49     
        38:629      40:99       41:1830     43:1        44:3        46:1      
        47:21       52:6        55:2        56:2        57:24       58:648    
        59:654      60:446      61:1102     62:971      63:2009     64:3769   
        65:2372     66:4103     67:1779     68:1026     69:2824     70:686    
        71:232      72:1879     73:2        74:2037     75:190      76:361    
        77:835      78:599      79:407      80:935      81:811      82:465    
        83:442      84:535      85:1021     86:381      87:677      88:420    
        89:1566     90:63       91:2654     92:445      93:1114     94:1343   
        95:834      96:183      97:285      98:403      99:24      109:186    
       110:278     111:499     112:157     113:205     114:288     115:478    
       116:1079    117:592     118:371     119:809     120:144     121:833    
       122:1311    123:796     124:1018    125:1341    128:212     129:201    
       130:134     131:460     132:83      133:16      134:183     135:41     
       136:229     137:168     138:239     139:81      140:456     141:121    
       142:375     143:340     144:390     145:53      146:390     147:173    
       148:568     149:192     150:148     151:173     152:219     153:161    
       154:2       155:270     156:171     157:326     158:97      159:357    
       160:298     161:174     162:281     163:163     164:308     165:471    
       166:490     167:392     168:753     169:159     170:563     171:42     
       172:1       173:391     174:442     180:205     183:162     184:3      
       186:194     187:166     188:1058    189:654     190:3401    192:5718   
       193:4321    194:3371    195:2780    196:1196    198:3565    199:3383   
       200:5247    201:1433    202:7978    203:8286    204:3988    205:2167   
       206:2407    207:3046    208:3962    209:3383    210:2562    211:1147   
       212:1645    213:1642    214:247     215:58      216:4423    217:1373   
       218:480     219:455     220:1146    221:448     222:300    
      
      End of report