[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 May 2008 04:07:38 +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 May, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              256264
          Prefixes after maximum aggregation:                          127251
          Deaggregation factor:                                          2.01
          Unique aggregates announced to Internet:                     124284
      Total ASes present in the Internet Routing Table:                 28277
          Prefixes per ASN:                                              9.06
      Origin-only ASes present in the Internet Routing Table:           24653
      Origin ASes announcing only one prefix:                           11865
      Transit ASes present in the Internet Routing Table:                3624
      Transit-only ASes present in the Internet Routing Table:             81
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      18
          Max AS path prepend of ASN (39375)                               13
      Prefixes from unregistered ASNs in the Routing Table:               601
          Unregistered ASNs in the Routing Table:                         219
      Number of 32-bit ASNs allocated by the RIRs:                         47
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            805
      Number of addresses announced to Internet:                   1870739648
          Equivalent to 111 /8s, 129 /16s and 56 /24s
          Percentage of available address space announced:               50.5
          Percentage of allocated address space announced:               62.0
          Percentage of available address space allocated:               81.4
          Percentage of address space in use by end-sites:               72.0
      Total number of prefixes smaller than registry allocations:      123489
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    58778
          Total APNIC prefixes after maximum aggregation:               21606
          APNIC Deaggregation factor:                                    2.72
      Prefixes being announced from the APNIC address blocks:           55812
          Unique aggregates announced from the APNIC address blocks:    23839
      APNIC Region origin ASes present in the Internet Routing Table:    3240
          APNIC Prefixes per ASN:                                       17.23
      APNIC Region origin ASes announcing only one prefix:                848
      APNIC Region transit ASes present in the Internet Routing Table:    500
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              349390304
          Equivalent to 20 /8s, 211 /16s and 69 /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
      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:                    117761
          Total ARIN prefixes after maximum aggregation:                65072
          ARIN Deaggregation factor:                                     1.81
      Prefixes being announced from the ARIN address blocks:            87269
          Unique aggregates announced from the ARIN address blocks:     34233
      ARIN Region origin ASes present in the Internet Routing Table:    12191
          ARIN Prefixes per ASN:                                         7.16
      ARIN Region origin ASes announcing only one prefix:                4698
      ARIN Region transit ASes present in the Internet Routing Table:    1136
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               357831296
          Equivalent to 21 /8s, 84 /16s and 18 /24s
          Percentage of available ARIN address space announced:          73.5
      
      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:                     55139
          Total RIPE prefixes after maximum aggregation:                33790
          RIPE Deaggregation factor:                                     1.63
      Prefixes being announced from the RIPE address blocks:            50307
          Unique aggregates announced from the RIPE address blocks:     33864
      RIPE Region origin ASes present in the Internet Routing Table:    11361
          RIPE Prefixes per ASN:                                         4.43
      RIPE Region origin ASes announcing only one prefix:                5933
      RIPE Region transit ASes present in the Internet Routing Table:    1718
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               357934464
          Equivalent to 21 /8s, 85 /16s and 165 /24s
          Percentage of available RIPE address space announced:          82.1
      
      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:                   20118
          Total LACNIC prefixes after maximum aggregation:               5085
          LACNIC Deaggregation factor:                                   3.96
      Prefixes being announced from the LACNIC address blocks:          18471
          Unique aggregates announced from the LACNIC address blocks:   10100
      LACNIC Region origin ASes present in the Internet Routing Table:    947
          LACNIC Prefixes per ASN:                                      19.50
      LACNIC Region origin ASes announcing only one prefix:               309
      LACNIC Region transit ASes present in the Internet Routing Table:   159
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        15
      Number of LACNIC addresses announced to Internet:              51585024
          Equivalent to 3 /8s, 19 /16s and 32 /24s
          Percentage of available LACNIC address space announced:        51.2
      
      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:                   3871
          Total AfriNIC prefixes after maximum aggregation:              1200
          AfriNIC Deaggregation factor:                                  3.23
      Prefixes being announced from the AfriNIC address blocks:          4177
          Unique aggregates announced from the AfriNIC address blocks:   1842
      AfriNIC Region origin ASes present in the Internet Routing Table:   243
          AfriNIC Prefixes per ASN:                                     17.19
      AfriNIC Region origin ASes announcing only one prefix:               77
      AfriNIC Region transit ASes present in the Internet Routing Table:   49
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12240640
          Equivalent to 0 /8s, 186 /16s and 199 /24s
          Percentage of available AfriNIC address space announced:       36.5
      
      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     1151        550          60   BHARTI BT INTERNET LTD.
       9583     1149        140          15   Sify Limited
      17488     1064         70          76   Hathway IP Over Cable Interne
       4134      854      12661         319   CHINANET-BACKBONE
       4766      847       6006         343   Korea Telecom (KIX)
      23577      823         34         703   Korea Telecom (ATM-MPLS)
      18101      681        149          51   Reliance Infocom Ltd Internet
       9829      598        450          12   BSNL National Internet Backbo
       1221      546       1919         420   Telstra Pty Ltd
      
      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     1993       3087         178   bellsouth.net, inc. 
       4323     1464       1045         379   Time Warner Telecom
       2386     1434        659         871   AT&T Data Communications Serv
       7018     1384       5971         986   AT&T WorldNet Services
      11492     1223        148          11   Cable One 
       7011     1088        302         616   Citizens Utilities 
      18566     1044        296          10   Covad Communications 
       1785     1022        510         105   AppliedTheory Corporation 
       6197      987        597         507   BellSouth Network Solutions, 
        174      970       6837         806   Cogent Communications
      
      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
       3292      408       1788         369   TDC Tele Danmark
       8452      356        188           7   TEDATA
       3301      337       1458         305   TeliaNet Sweden
       3320      317       7044         266   Deutsche Telekom AG
       8866      297         77          21   Bulgarian Telecommunication C
       5462      291        666          26   Telewest Broadband
       3215      284       2702          93   France Telecom Transpac
       8551      282        269          37   Bezeq International
        680      275       2047         265   DFN-IP service G-WiN
       9155      267         46          11   QualityNet AS number
      
      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     1227       2464         228   UniNet S.A. de C.V. 
      11830      601        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
       7303      460        225          66   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      414         85          46   ENTEL CHILE S.A. 
      11172      410        117          67   Servicios Alestra S.A de C.V 
      10620      388         99          70   TVCABLE BOGOTA 
      14117      372         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      472         61          28   LINKdotNET AS number
       3741      286        853         223   The Internet Solution 
      20858      223         34           3   EgyNet
       2018      182        173          82   Tertiary Education Network 
       5713      174        575         108   Telkom SA Ltd 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      134         10          12   EEPAD TISP TELECOM & INTERNET
       5536      121          8          16   Internet Egypt Network
      29571      100         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     1993       3087         178   bellsouth.net, inc. 
       4755     1639        387          91   Videsh Sanchar Nigam Ltd. Aut
       4323     1464       1045         379   Time Warner Telecom
       2386     1434        659         871   AT&T Data Communications Serv
       7018     1384       5971         986   AT&T WorldNet Services
       8151     1227       2464         228   UniNet S.A. de C.V. 
      11492     1223        148          11   Cable One 
       9498     1151        550          60   BHARTI BT INTERNET LTD.
       9583     1149        140          15   Sify Limited
       7011     1088        302         616   Citizens Utilities 
      
      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      1223        1212      Cable One 
       9583      1149        1134      Sify Limited
       9498      1151        1091      BHARTI BT INTERNET LTD.
       4323      1464        1085      Time Warner Telecom
      18566      1044        1034      Covad Communications 
       8151      1227         999      UniNet S.A. de C.V. 
      17488      1064         988      Hathway IP Over Cable Interne
       1785      1022         917      AppliedTheory Corporation 
      22773       946         883      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          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
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.31.25.0/24         6517       Yipes Communications
      27220   UNALLOCATED   12.35.204.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      
      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        /8:19       /9:9       /10:16      /11:42      /12:141     
      /13:282     /14:513     /15:1009    /16:9919    /17:4362    /18:7282    
      /19:15459   /20:17899   /21:17380   /22:21782   /23:22818   /24:135021  
      /25:791     /26:926     /27:494     /28:81      /29:9       /30:1       
      /31:0       /32:9       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     1229          1993      bellsouth.net, inc. 
      11492     1205          1223      Cable One 
       2386     1133          1434      AT&T Data Communications Serv
      18566     1025          1044      Covad Communications 
       9583      987          1149      Sify Limited
       4755      985          1639      Videsh Sanchar Nigam Ltd. Aut
       7011      972          1088      Citizens Utilities 
       6478      950           951      AT&T Worldnet Services 
      17488      877          1064      Hathway IP Over Cable Interne
       9498      835          1151      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         8:107      12:2049     13:1        15:20       16:3      
        17:5        18:13       20:35       24:1075     25:1        32:61     
        33:3        38:425      40:93       41:649      44:2        47:12     
        52:3        55:3        56:3        57:23       58:511      59:462    
        60:442      61:997      62:1113     63:1953     64:3393     65:2417   
        66:3651     67:1197     68:681      69:2239     70:631      71:125    
        72:1755     73:5        74:973      75:216      76:308      77:654    
        78:611      79:153      80:898      81:858      82:583      83:394    
        84:566      85:1032     86:416      87:654      88:329      89:1223   
        90:11       91:1231     92:193      93:487      96:31       97:17     
        98:172      99:3       114:13      116:642     117:321     118:132    
       119:423     120:37      121:530     122:768     123:345     124:852    
       125:1131    128:325     129:200     130:131     131:401     132:66     
       133:9       134:178     135:33      136:220     137:90      138:151    
       139:64      140:484     141:99      142:399     143:299     144:352    
       145:50      146:363     147:153     148:503     149:183     150:131    
       151:191     152:141     153:134     154:10      155:273     156:174    
       157:271     158:163     159:221     160:257     161:114     162:228    
       163:186     164:524     165:448     166:309     167:323     168:609    
       169:131     170:427     171:28      172:10      189:168     190:2017   
       192:5789    193:4100    194:3212    195:2438    196:1063    198:3740   
       199:3261    200:5634    201:1436    202:7602    203:7839    204:3998   
       205:2079    206:2404    207:2766    208:3338    209:3426    210:2499   
       211:1051    212:1389    213:1637    214:473     215:49      216:4357   
       217:1200    218:355     219:416     220:1080    221:466     222:309    
      
      
      End of report