[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, 17 May 2008 04:07:26 +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 17 May, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              255996
          Prefixes after maximum aggregation:                          127048
          Deaggregation factor:                                          2.01
          Unique aggregates announced to Internet:                     124142
      Total ASes present in the Internet Routing Table:                 28207
          Prefixes per ASN:                                              9.08
      Origin-only ASes present in the Internet Routing Table:           24602
      Origin ASes announcing only one prefix:                           11444
      Transit ASes present in the Internet Routing Table:                3605
      Transit-only ASes present in the Internet Routing Table:             80
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (39375)                               13
      Prefixes from unregistered ASNs in the Routing Table:             25568
          Unregistered ASNs in the Routing Table:                        1888
      Number of 32-bit ASNs allocated by the RIRs:                         47
      Prefixes from 32-bit ASNs in the Routing Table:                      10
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            787
      Number of addresses announced to Internet:                   1852593056
          Equivalent to 110 /8s, 108 /16s and 83 /24s
          Percentage of available address space announced:               50.0
          Percentage of allocated address space announced:               61.4
          Percentage of available address space allocated:               81.4
          Percentage of address space in use by end-sites:               71.9
      Total number of prefixes smaller than registry allocations:      123367
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    43195
          Total APNIC prefixes after maximum aggregation:               13464
          APNIC Deaggregation factor:                                    3.21
      Prefixes being announced from the APNIC address blocks:           55719
          Unique aggregates announced from the APNIC address blocks:    23792
      APNIC Region origin ASes present in the Internet Routing Table:    1944
          APNIC Prefixes per ASN:                                       28.66
      APNIC Region origin ASes announcing only one prefix:                547
      APNIC Region transit ASes present in the Internet Routing Table:    354
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              349020128
          Equivalent to 20 /8s, 205 /16s and 159 /24s
          Percentage of available APNIC address space announced:         80.0
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 114/8, 115/8, 116/8,
                             117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
                             124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
                             218/8, 219/8, 220/8, 221/8, 222/8,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    107932
          Total ARIN prefixes after maximum aggregation:                59258
          ARIN Deaggregation factor:                                     1.82
      Prefixes being announced from the ARIN address blocks:            86932
          Unique aggregates announced from the ARIN address blocks:     34225
      ARIN Region origin ASes present in the Internet Routing Table:    11816
          ARIN Prefixes per ASN:                                         7.36
      ARIN Region origin ASes announcing only one prefix:                4615
      ARIN Region transit ASes present in the Internet Routing Table:    1043
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               358062720
          Equivalent to 21 /8s, 87 /16s and 154 /24s
          Percentage of available ARIN address space announced:          73.6
      
      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
      ARIN Address Blocks     24/8,  63/8,  64/8,  65/8,  66/8,  67/8,  68/8,
                              69/8,  70/8,  71/8,  72/8,  73/8,  74/8,  75/8,
                              76/8,  96/8,  97/8,  98/8,  99/8, 173/8, 174/8,
                             199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     55366
          Total RIPE prefixes after maximum aggregation:                33712
          RIPE Deaggregation factor:                                     1.64
      Prefixes being announced from the RIPE address blocks:            50562
          Unique aggregates announced from the RIPE address blocks:     33804
      RIPE Region origin ASes present in the Internet Routing Table:    11339
          RIPE Prefixes per ASN:                                         4.46
      RIPE Region origin ASes announcing only one prefix:                5926
      RIPE Region transit ASes present in the Internet Routing Table:    1711
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               357182592
          Equivalent to 21 /8s, 74 /16s and 44 /24s
          Percentage of available RIPE address space announced:          81.9
      
      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 - 48127
      RIPE Address Blocks     62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   20096
          Total LACNIC prefixes after maximum aggregation:               5006
          LACNIC Deaggregation factor:                                   4.01
      Prefixes being announced from the LACNIC address blocks:          18551
          Unique aggregates announced from the LACNIC address blocks:   10046
      LACNIC Region origin ASes present in the Internet Routing Table:    902
          LACNIC Prefixes per ASN:                                      20.57
      LACNIC Region origin ASes announcing only one prefix:               279
      LACNIC Region transit ASes present in the Internet Routing Table:   156
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        16
      Number of LACNIC addresses announced to Internet:              51284736
          Equivalent to 3 /8s, 14 /16s and 139 /24s
          Percentage of available LACNIC address space announced:        50.9
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 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:                   3839
          Total AfriNIC prefixes after maximum aggregation:              1178
          AfriNIC Deaggregation factor:                                  3.26
      Prefixes being announced from the AfriNIC address blocks:          4201
          Unique aggregates announced from the AfriNIC address blocks:   1862
      AfriNIC Region origin ASes present in the Internet Routing Table:   241
          AfriNIC Prefixes per ASN:                                     17.43
      AfriNIC Region origin ASes announcing only one prefix:               77
      AfriNIC Region transit ASes present in the Internet Routing Table:   48
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12207616
          Equivalent to 0 /8s, 186 /16s and 70 /24s
          Percentage of available AfriNIC address space announced:       36.4
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4755     1639        387          91   Videsh Sanchar Nigam Ltd. Aut
       9498     1170        550          61   BHARTI BT INTERNET LTD.
       9583     1150        140          15   Sify Limited
      17488     1064         70          76   Hathway IP Over Cable Interne
       4134      855      12661         319   CHINANET-BACKBONE
       4766      848       6006         343   Korea Telecom (KIX)
      18101      679        149          51   Reliance Infocom Ltd Internet
       9829      598        450          12   BSNL National Internet Backbo
       1221      545       1918         419   Telstra Pty Ltd
       4808      521        837         132   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
       4323     1425       1030         379   Time Warner Telecom
       2386     1403        643         874   AT&T Data Communications Serv
       7018     1395       5975         996   AT&T WorldNet Services
      11492     1218        148          13   Cable One 
       7011     1086        318         617   Citizens Utilities 
      18566     1044        296          10   Covad Communications 
       6197     1028        630         542   BellSouth Network Solutions, 
       1785     1017        510         105   AppliedTheory Corporation 
        174      975       6836         804   Cogent Communications
      22773      949       2394          62   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
       9198      428         74           9   Kazakhtelecom Data Network Ad
       3292      410       1789         370   TDC Tele Danmark
       8452      356        188           7   TEDATA
       3301      338       1458         306   TeliaNet Sweden
       3320      317       7044         266   Deutsche Telekom AG
       8866      298         77          22   Bulgarian Telecommunication C
       5462      292        666          26   Telewest Broadband
       8551      282        269          37   Bezeq International
       3215      279       2686          90   France Telecom Transpac
        680      274       2045         264   DFN-IP service G-WiN
      
      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     1219       2464         229   UniNet S.A. de C.V. 
      11830      601        299           9   Instituto Costarricense de El
      22047      566        270          14   VTR PUNTO NET S.A. 
       7303      460        225          66   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      419         85          46   ENTEL CHILE S.A. 
      11172      412        117          67   Servicios Alestra S.A de C.V 
      10620      390         99          69   TVCABLE BOGOTA 
      14117      375         23           9   Telefonica del Sur S.A. 
      20299      330         36          31   NEWCOM AMERICAS 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      471         61          28   LINKdotNET AS number
       3741      286        853         223   The Internet Solution 
      20858      222         34           3   EgyNet
       5713      174        575         108   Telkom SA Ltd 
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      140        141          70   Tertiary Education Network 
      33783      134         10          12   EEPAD TISP TELECOM & INTERNET
       5536      121          8          16   Internet Egypt Network
      29571      116         13           8   Ci Telecom Autonomous system 
      33776       99          6           7   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     3714       3045         168   bellsouth.net, inc. 
      23577     1644         34         702   Korea Telecom (ATM-MPLS)
       4755     1639        387          91   Videsh Sanchar Nigam Ltd. Aut
       4323     1425       1030         379   Time Warner Telecom
       2386     1403        643         874   AT&T Data Communications Serv
       7018     1395       5975         996   AT&T WorldNet Services
       8151     1219       2464         229   UniNet S.A. de C.V. 
      11492     1218        148          13   Cable One 
       9498     1170        550          61   BHARTI BT INTERNET LTD.
       9583     1150        140          15   Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1639        1548      Videsh Sanchar Nigam Ltd. Aut
      11492      1218        1205      Cable One 
       9583      1150        1135      Sify Limited
       9498      1170        1109      BHARTI BT INTERNET LTD.
       4323      1425        1046      Time Warner Telecom
      18566      1044        1034      Covad Communications 
       8151      1219         990      UniNet S.A. de C.V. 
      17488      1064         988      Hathway IP Over Cable Interne
      17676      1016         951      Softbank BB Corp.
      23577      1644         942      Korea Telecom (ATM-MPLS)
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      14780   UNALLOCATED   4.79.181.0/24        10310       Yahoo! 
      12180   UNALLOCATED   4.79.248.0/24         1239       Sprint 
      12180   UNALLOCATED   8.10.16.0/24          3549       Global Crossing 
      12180   UNALLOCATED   8.10.58.0/23          3549       Global Crossing 
      14779   UNALLOCATED   8.12.144.0/24        10310       Yahoo! 
      16927   UNALLOCATED   12.0.252.0/23          701       UUNET Technologies, 
      22492   UNALLOCATED   12.2.46.0/24          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
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.75.192.0/18        7843     Adelphia Corp. 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      
      Complete listing at http://thyme.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:18       /9:9       /10:16      /11:42      /12:140     
      /13:281     /14:512     /15:1007    /16:9925    /17:4363    /18:7295    
      /19:15434   /20:17896   /21:17297   /22:21736   /23:22825   /24:134902  
      /25:782     /26:927     /27:490     /28:80      /29:9       /30:1       
      /31:0       /32:9       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1201          1218      Cable One 
       6389     1144          3714      bellsouth.net, inc. 
       2386     1103          1403      AT&T Data Communications Serv
      18566     1025          1044      Covad Communications 
       9583      988          1150      Sify Limited
       4755      985          1639      Videsh Sanchar Nigam Ltd. Aut
       7011      969          1086      Citizens Utilities 
       6478      944           945      AT&T Worldnet Services 
      17488      877          1064      Hathway IP Over Cable Interne
       9498      844          1170      BHARTI BT INTERNET LTD.
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:108      12:2045     13:1        15:20       16:3      
        17:5        18:13       20:35       24:1069     25:1        32:61     
        33:3        38:421      40:93       41:673      44:2        47:12     
        52:3        55:3        56:3        57:23       58:510      59:461    
        60:442      61:981      62:1104     63:1959     64:3397     65:2427   
        66:3654     67:1187     68:657      69:2220     70:605      71:121    
        72:1671     73:5        74:965      75:226      76:307      77:666    
        78:612      79:151      80:899      81:865      82:618      83:389    
        84:559      85:1009     86:411      87:658      88:339      89:1301   
        90:11       91:1231     92:274      93:447      96:32       97:14     
        98:154      99:3       114:4       116:642     117:327     118:134    
       119:395     120:39      121:536     122:760     123:348     124:849    
       125:1133    128:314     129:201     130:132     131:405     132:66     
       133:9       134:180     135:33      136:221     137:116     138:145    
       139:64      140:492     141:95      142:390     143:280     144:349    
       145:50      146:363     147:152     148:493     149:183     150:131    
       151:183     152:141     153:134     154:10      155:265     156:174    
       157:270     158:163     159:221     160:255     161:111     162:215    
       163:199     164:522     165:446     166:304     167:320     168:611    
       169:131     170:426     171:28      172:22      189:166     190:1996   
       192:5772    193:4105    194:3260    195:2433    196:1064    198:3729   
       199:3246    200:5671    201:1461    202:7560    203:7825    204:4000   
       205:2074    206:2394    207:2746    208:3337    209:3432    210:2535   
       211:1041    212:1385    213:1654    214:458     215:49      216:4356   
       217:1204    218:355     219:411     220:1075    221:470     222:308    
      
      
      End of report