[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, 24 Oct 2009 04:31:51 +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 24 Oct, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              301090
          Prefixes after maximum aggregation:                          141242
          Deaggregation factor:                                          2.13
          Unique aggregates announced to Internet:                     149275
      Total ASes present in the Internet Routing Table:                 32521
          Prefixes per ASN:                                              9.26
      Origin-only ASes present in the Internet Routing Table:           28255
      Origin ASes announcing only one prefix:                           13771
      Transit ASes present in the Internet Routing Table:                4266
      Transit-only ASes present in the Internet Routing Table:            105
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      30
          Max AS path prepend of ASN (12026)                               22
      Prefixes from unregistered ASNs in the Routing Table:               604
          Unregistered ASNs in the Routing Table:                         123
      Number of 32-bit ASNs allocated by the RIRs:                        300
      Prefixes from 32-bit ASNs in the Routing Table:                     242
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            189
      Number of addresses announced to Internet:                   2116891488
          Equivalent to 126 /8s, 45 /16s and 51 /24s
          Percentage of available address space announced:               57.1
          Percentage of allocated address space announced:               64.7
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               79.4
      Total number of prefixes smaller than registry allocations:      144872
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    72260
          Total APNIC prefixes after maximum aggregation:               25358
          APNIC Deaggregation factor:                                    2.85
      Prefixes being announced from the APNIC address blocks:           68831
          Unique aggregates announced from the APNIC address blocks:    30562
      APNIC Region origin ASes present in the Internet Routing Table:    3842
          APNIC Prefixes per ASN:                                       17.92
      APNIC Region origin ASes announcing only one prefix:               1047
      APNIC Region transit ASes present in the Internet Routing Table:    589
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              462803232
          Equivalent to 27 /8s, 149 /16s and 209 /24s
          Percentage of available APNIC address space announced:         78.8
      
      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:                    127136
          Total ARIN prefixes after maximum aggregation:                67099
          ARIN Deaggregation factor:                                     1.89
      Prefixes being announced from the ARIN address blocks:           101658
          Unique aggregates announced from the ARIN address blocks:     38678
      ARIN Region origin ASes present in the Internet Routing Table:    13315
          ARIN Prefixes per ASN:                                         7.63
      ARIN Region origin ASes announcing only one prefix:                5144
      ARIN Region transit ASes present in the Internet Routing Table:    1313
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:               708690432
          Equivalent to 42 /8s, 61 /16s and 194 /24s
          Percentage of available ARIN address space announced:          62.1
      
      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:                     69365
          Total RIPE prefixes after maximum aggregation:                40565
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            62853
          Unique aggregates announced from the RIPE address blocks:     42173
      RIPE Region origin ASes present in the Internet Routing Table:    13646
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                7107
      RIPE Region transit ASes present in the Internet Routing Table:    2053
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               402504512
          Equivalent to 23 /8s, 253 /16s and 187 /24s
          Percentage of available RIPE address space announced:          75.0
      
      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      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:                   25911
          Total LACNIC prefixes after maximum aggregation:               6365
          LACNIC Deaggregation factor:                                   4.07
      Prefixes being announced from the LACNIC address blocks:          24217
          Unique aggregates announced from the LACNIC address blocks:   13306
      LACNIC Region origin ASes present in the Internet Routing Table:   1195
          LACNIC Prefixes per ASN:                                      20.27
      LACNIC Region origin ASes announcing only one prefix:               375
      LACNIC Region transit ASes present in the Internet Routing Table:   196
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        30
      Number of LACNIC addresses announced to Internet:              67503616
          Equivalent to 4 /8s, 6 /16s and 6 /24s
          Percentage of available LACNIC address space announced:        67.1
      
      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:                   5949
          Total AfriNIC prefixes after maximum aggregation:              1574
          AfriNIC Deaggregation factor:                                  3.78
      Prefixes being announced from the AfriNIC address blocks:          4309
          Unique aggregates announced from the AfriNIC address blocks:   1581
      AfriNIC Region origin ASes present in the Internet Routing Table:   331
          AfriNIC Prefixes per ASN:                                     13.02
      AfriNIC Region origin ASes announcing only one prefix:               98
      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:                       15
      Number of AfriNIC addresses announced to Internet:             12602112
          Equivalent to 0 /8s, 192 /16s and 75 /24s
          Percentage of available AfriNIC address space announced:       37.6
      
      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     1763       6991         454   Korea Telecom (KIX)
      17488     1470        138         142   Hathway IP Over Cable Interne
       4755     1266        292         145   TATA Communications formerly 
       9583     1103         87         532   Sify Limited
       4134     1005      18177         392   CHINANET-BACKBONE
      18101      980        204          32   Reliance Infocom Ltd Internet
       7545      901        199         101   TPG Internet Pty Ltd
       9829      849        661          20   BSNL National Internet Backbo
      17974      797        249          94   PT TELEKOMUNIKASI INDONESIA
      24560      781        290         164   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     4164       3882         312   bellsouth.net, inc. 
       4323     3711       1037         384   Time Warner Telecom
       1785     1776        714         139   PaeTec Communications, Inc.
       7018     1574       5844        1059   AT&T WorldNet Services
      20115     1488       1481         670   Charter Communications 
       6478     1347        275         437   AT&T Worldnet Services 
       2386     1306        637         945   AT&T Data Communications Serv
       3356     1224      10964         439   Level 3 Communications, LLC 
      11492     1134        206          13   Cable One 
      22773     1113       2604          67   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      514         94         208   Evolva Telecom
      35805      465         40           5   United Telecom of Georgia
       3292      451       1908         394   TDC Tele Danmark
        702      415       1822         334   UUNET - Commercial IP service
       9198      387        138          12   Kazakhtelecom Data Network Ad
       8866      360        110          23   Bulgarian Telecommunication C
       3320      356       7068         304   Deutsche Telekom AG
       3301      350       1428         307   TeliaNet Sweden
       3215      349       3144         111   France Telecom Transpac
       8551      316        294          40   Bezeq International
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1520       2899         237   UniNet S.A. de C.V. 
      10620     1020        227         100   TVCABLE BOGOTA 
      28573      779        652          90   NET Servicos de Comunicao S.A
       7303      658        347          98   Telecom Argentina Stet-France
      22047      545        302          14   VTR PUNTO NET S.A. 
      11830      475        310          61   Instituto Costarricense de El
      11172      443         99          71   Servicios Alestra S.A de C.V 
      14117      438         29          11   Telefonica del Sur S.A. 
       7738      428        858          29   Telecomunicacoes da Bahia S.A
       6471      421         96          31   ENTEL CHILE 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      990        188           7   TEDATA
      24863      874         96          73   LINKdotNET AS number
       3741      272        856         233   The Internet Solution 
       2018      195        188         118   Tertiary Education Network 
       6713      176        167          12   Itissalat Al-MAGHRIB
      29571      142         14           6   Ci Telecom Autonomous system 
      33776      124          7          11   Starcomms Nigeria Limited
       5536      121          8          18   Internet Egypt Network
       5713      116        508          67   Telkom SA Ltd 
      20858      109         34           6   EgyNet
      
      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     4164       3882         312   bellsouth.net, inc. 
       4323     3711       1037         384   Time Warner Telecom
       1785     1776        714         139   PaeTec Communications, Inc.
       4766     1763       6991         454   Korea Telecom (KIX)
       7018     1574       5844        1059   AT&T WorldNet Services
       8151     1520       2899         237   UniNet S.A. de C.V. 
      20115     1488       1481         670   Charter Communications 
      17488     1470        138         142   Hathway IP Over Cable Interne
       6478     1347        275         437   AT&T Worldnet Services 
       2386     1306        637         945   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
       4323      3711        3327      Time Warner Telecom
       1785      1776        1637      PaeTec Communications, Inc.
      17488      1470        1328      Hathway IP Over Cable Interne
       4766      1763        1309      Korea Telecom (KIX)
       8151      1520        1283      UniNet S.A. de C.V. 
       4755      1266        1121      TATA Communications formerly 
      11492      1134        1121      Cable One 
      18566      1062        1052      Covad Communications 
      22773      1113        1046      Cox Communications, Inc.
       8452       990         983      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
      43.245.0.0/16         7502     Internetwork Kyoto
      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
      
      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      /10:24      /11:63      /12:177     
      /13:355     /14:629     /15:1210    /16:10692   /17:4886    /18:8472    
      /19:17517   /20:21113   /21:21075   /22:27386   /23:26945   /24:157743  
      /25:926     /26:1113    /27:557     /28:154     /29:8       /30:7       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2691          4164      bellsouth.net, inc. 
       4323     2350          3711      Time Warner Telecom
       4766     1436          1763      Korea Telecom (KIX)
       1785     1241          1776      PaeTec Communications, Inc.
      17488     1231          1470      Hathway IP Over Cable Interne
      11492     1058          1134      Cable One 
      18566     1043          1062      Covad Communications 
       9583      955          1103      Sify Limited
       7018      932          1574      AT&T WorldNet Services
      10620      926          1020      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:14        8:225      12:2147     13:7        15:22     
        16:3        17:5        20:36       24:1199     32:52       34:2      
        38:605      40:97       41:1767     43:1        44:2        46:1      
        47:21       52:6        55:2        56:2        57:25       58:607    
        59:640      60:441      61:1088     62:973      63:2005     64:3661   
        65:2374     66:4090     67:1758     68:984      69:2761     70:572    
        71:154      72:1725     73:2        74:1989     75:183      76:357    
        77:866      78:566      79:390      80:913      81:814      82:479    
        83:436      84:533      85:1006     86:372      87:692      88:422    
        89:1517     90:53       91:2616     92:417      93:1279     94:1317   
        95:1145     96:190      97:271      98:371      99:30      109:86     
       110:246     111:456     112:142     113:155     114:274     115:446    
       116:1096    117:592     118:358     119:790     120:132     121:797    
       122:1293    123:778     124:1043    125:1373    128:219     129:220    
       130:130     131:421     132:76      133:10      134:186     135:42     
       136:224     137:171     138:174     139:82      140:440     141:123    
       142:385     143:348     144:365     145:49      146:391     147:170    
       148:551     149:202     150:151     151:176     152:212     153:158    
       154:2       155:273     156:168     157:310     158:91      159:358    
       160:292     161:171     162:279     163:171     164:278     165:467    
       166:478     167:391     168:754     169:163     170:466     171:42     
       172:2       173:386     174:382     175:1       178:1       180:96     
       182:1       186:148     187:167     188:1179    189:610     190:3168   
       192:5745    193:4270    194:3326    195:2736    196:1170    198:3551   
       199:3352    200:5202    201:1360    202:7891    203:8237    204:3915   
       205:2180    206:2400    207:2987    208:3972    209:3456    210:2570   
       211:1142    212:1603    213:1619    214:172     215:39      216:4425   
       217:1335    218:415     219:456     220:1135    221:449     222:304    
      
      
      End of report