[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, 3 Oct 2009 04:45:18 +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 03 Oct, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              299282
          Prefixes after maximum aggregation:                          140261
          Deaggregation factor:                                          2.13
          Unique aggregates announced to Internet:                     148558
      Total ASes present in the Internet Routing Table:                 32294
          Prefixes per ASN:                                              9.27
      Origin-only ASes present in the Internet Routing Table:           28065
      Origin ASes announcing only one prefix:                           13702
      Transit ASes present in the Internet Routing Table:                4229
      Transit-only ASes present in the Internet Routing Table:            102
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      31
          Max AS path prepend of ASN (45127)                               27
      Prefixes from unregistered ASNs in the Routing Table:               529
          Unregistered ASNs in the Routing Table:                         123
      Number of 32-bit ASNs allocated by the RIRs:                        289
      Prefixes from 32-bit ASNs in the Routing Table:                     205
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            199
      Number of addresses announced to Internet:                   2109742304
          Equivalent to 125 /8s, 192 /16s and 28 /24s
          Percentage of available address space announced:               56.9
          Percentage of allocated address space announced:               64.5
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               79.1
      Total number of prefixes smaller than registry allocations:      144036
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    71662
          Total APNIC prefixes after maximum aggregation:               25237
          APNIC Deaggregation factor:                                    2.84
      Prefixes being announced from the APNIC address blocks:           68081
          Unique aggregates announced from the APNIC address blocks:    30363
      APNIC Region origin ASes present in the Internet Routing Table:    3810
          APNIC Prefixes per ASN:                                       17.87
      APNIC Region origin ASes announcing only one prefix:               1047
      APNIC Region transit ASes present in the Internet Routing Table:    590
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         31
      Number of APNIC addresses announced to Internet:              461477152
          Equivalent to 27 /8s, 129 /16s and 149 /24s
          Percentage of available APNIC address space announced:         78.6
      
      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:                    126890
          Total ARIN prefixes after maximum aggregation:                66668
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:           101368
          Unique aggregates announced from the ARIN address blocks:     38486
      ARIN Region origin ASes present in the Internet Routing Table:    13250
          ARIN Prefixes per ASN:                                         7.65
      ARIN Region origin ASes announcing only one prefix:                5126
      ARIN Region transit ASes present in the Internet Routing Table:    1295
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:               706349696
          Equivalent to 42 /8s, 26 /16s and 10 /24s
          Percentage of available ARIN address space announced:          61.9
      
      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:                     68650
          Total RIPE prefixes after maximum aggregation:                40215
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            62331
          Unique aggregates announced from the RIPE address blocks:     41788
      RIPE Region origin ASes present in the Internet Routing Table:    13533
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                7052
      RIPE Region transit ASes present in the Internet Routing Table:    2037
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               399867584
          Equivalent to 23 /8s, 213 /16s and 126 /24s
          Percentage of available RIPE address space announced:          74.5
      
      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:                   25750
          Total LACNIC prefixes after maximum aggregation:               6325
          LACNIC Deaggregation factor:                                   4.07
      Prefixes being announced from the LACNIC address blocks:          24046
          Unique aggregates announced from the LACNIC address blocks:   13497
      LACNIC Region origin ASes present in the Internet Routing Table:   1187
          LACNIC Prefixes per ASN:                                      20.26
      LACNIC Region origin ASes announcing only one prefix:               382
      LACNIC Region transit ASes present in the Internet Routing Table:   193
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        30
      Number of LACNIC addresses announced to Internet:              66579712
          Equivalent to 3 /8s, 247 /16s and 237 /24s
          Percentage of available LACNIC address space announced:        66.1
      
      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:                   5885
          Total AfriNIC prefixes after maximum aggregation:              1548
          AfriNIC Deaggregation factor:                                  3.80
      Prefixes being announced from the AfriNIC address blocks:          4279
          Unique aggregates announced from the AfriNIC address blocks:   1536
      AfriNIC Region origin ASes present in the Internet Routing Table:   322
          AfriNIC Prefixes per ASN:                                     13.29
      AfriNIC Region origin ASes announcing only one prefix:               95
      AfriNIC Region transit ASes present in the Internet Routing Table:   65
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12557312
          Equivalent to 0 /8s, 191 /16s and 156 /24s
          Percentage of available AfriNIC address space announced:       37.4
      
      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     1766       6995         456   Korea Telecom (KIX)
      17488     1475        135         142   Hathway IP Over Cable Interne
       4755     1256        292         144   TATA Communications formerly 
       9583     1102         87         531   Sify Limited
       4134     1010      18168         391   CHINANET-BACKBONE
      18101      979        204          33   Reliance Infocom Ltd Internet
       7545      885        198         100   TPG Internet Pty Ltd
       9829      805        625          20   BSNL National Internet Backbo
      24560      774        285         164   Bharti Airtel Ltd., Telemedia
       4808      762       1518         181   CNCGROUP IP network: China169
      
      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     4163       3626         313   bellsouth.net, inc. 
       4323     3692       1037         384   Time Warner Telecom
       1785     1758        714         138   PaeTec Communications, Inc.
       7018     1522       5859        1054   AT&T WorldNet Services
      20115     1475       1475         669   Charter Communications 
       6478     1413        279         301   AT&T Worldnet Services 
       2386     1320        656         950   AT&T Data Communications Serv
       3356     1227      10963         435   Level 3 Communications, LLC 
      11492     1130        208          12   Cable One 
      22773     1111       2604          70   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      494         93         203   Evolva Telecom
       3292      446       1900         393   TDC Tele Danmark
      35805      442         40           5   United Telecom of Georgia
      12479      426        578           6   Uni2 Autonomous System
        702      423       1822         341   UUNET - Commercial IP service
       9198      381        138          12   Kazakhtelecom Data Network Ad
       8866      356        110          21   Bulgarian Telecommunication C
       3301      352       1428         309   TeliaNet Sweden
       3320      352       7067         303   Deutsche Telekom AG
       3215      348       3128         110   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     1480       2899         245   UniNet S.A. de C.V. 
      10620     1007        227          98   TVCABLE BOGOTA 
      28573      758        639          86   NET Servicos de Comunicao S.A
       7303      650        343          99   Telecom Argentina Stet-France
      22047      545        302          14   VTR PUNTO NET S.A. 
      11830      475        310          61   Instituto Costarricense de El
      11172      440         99          70   Servicios Alestra S.A de C.V 
      14117      436         29          11   Telefonica del Sur S.A. 
       7738      427        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      981        188           7   TEDATA
      24863      935         96          65   LINKdotNET AS number
       3741      272        856         234   The Internet Solution 
       2018      192        187         118   Tertiary Education Network 
       6713      176        167          12   Itissalat Al-MAGHRIB
      29571      139         14           6   Ci Telecom Autonomous system 
      33776      125          7          11   Starcomms Nigeria Limited
      24835      123         46           9   RAYA Telecom - Egypt
       5536      122          8          13   Internet Egypt Network
       5713      116        508          67   Telkom SA Ltd 
      
      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     4163       3626         313   bellsouth.net, inc. 
       4323     3692       1037         384   Time Warner Telecom
       4766     1766       6995         456   Korea Telecom (KIX)
       1785     1758        714         138   PaeTec Communications, Inc.
       7018     1522       5859        1054   AT&T WorldNet Services
       8151     1480       2899         245   UniNet S.A. de C.V. 
      17488     1475        135         142   Hathway IP Over Cable Interne
      20115     1475       1475         669   Charter Communications 
       6478     1413        279         301   AT&T Worldnet Services 
       2386     1320        656         950   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      3692        3308      Time Warner Telecom
       1785      1758        1620      PaeTec Communications, Inc.
      17488      1475        1333      Hathway IP Over Cable Interne
       4766      1766        1310      Korea Telecom (KIX)
       8151      1480        1235      UniNet S.A. de C.V. 
      11492      1130        1118      Cable One 
       6478      1413        1112      AT&T Worldnet Services 
       4755      1256        1112      TATA Communications formerly 
      18566      1062        1052      Covad Communications 
      22773      1111        1041      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
      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<<
      41.223.189.0/24      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
      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        /8:20       /9:10      /10:24      /11:63      /12:176     
      /13:354     /14:628     /15:1199    /16:10668   /17:4847    /18:8372    
      /19:17493   /20:20889   /21:20988   /22:27160   /23:26806   /24:156790  
      /25:924     /26:1078    /27:558     /28:172     /29:40      /30:15      
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2696          4163      bellsouth.net, inc. 
       4323     2351          3692      Time Warner Telecom
       4766     1439          1766      Korea Telecom (KIX)
      17488     1237          1475      Hathway IP Over Cable Interne
       1785     1224          1758      PaeTec Communications, Inc.
      11492     1056          1130      Cable One 
      18566     1043          1062      Covad Communications 
       9583      954          1102      Sify Limited
      10620      913          1007      TVCABLE BOGOTA 
       8452      909           981      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:14        8:227      12:2148     13:7        15:22     
        16:3        17:5        20:36       24:1168     32:52       34:2      
        38:601      40:97       41:1707     43:1        44:2        46:1      
        47:16       52:6        55:2        56:2        57:25       58:613    
        59:642      60:450      61:1077     62:1015     63:2008     64:3708   
        65:2400     66:4109     67:1791     68:964      69:2765     70:576    
        71:154      72:1658     73:2        74:1954     75:181      76:349    
        77:873      78:581      79:394      80:898      81:808      82:505    
        83:429      84:522      85:1003     86:382      87:666      88:387    
        89:1495     90:62       91:2578     92:408      93:1235     94:1184   
        95:1106     96:170      97:270      98:310      99:30      109:44     
       110:212     111:445     112:139     113:146     114:262     115:354    
       116:1111    117:549     118:328     119:773     120:136     121:780    
       122:1287    123:787     124:1047    125:1350    128:221     129:216    
       130:129     131:425     132:75      133:10      134:181     135:42     
       136:241     137:166     138:177     139:85      140:442     141:121    
       142:381     143:333     144:349     145:48      146:387     147:168    
       148:549     149:209     150:149     151:181     152:215     153:156    
       154:2       155:271     156:167     157:307     158:101     159:354    
       160:291     161:168     162:270     163:172     164:279     165:520    
       166:475     167:377     168:792     169:168     170:474     171:43     
       172:2       173:420     174:359     175:1       178:1       180:39     
       182:1       186:138     187:156     188:1055    189:601     190:3114   
       192:5776    193:4260    194:3285    195:2746    196:1142    198:3555   
       199:3354    200:5209    201:1343    202:7851    203:8247    204:3936   
       205:2199    206:2428    207:2970    208:3983    209:3487    210:2564   
       211:1130    212:1615    213:1623    214:157     215:39      216:4423   
       217:1332    218:413     219:449     220:1132    221:443     222:318    
      
      
      End of report