[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, 19 Jul 2008 04:08:20 +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 19 Jul, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              263570
          Prefixes after maximum aggregation:                          129383
          Deaggregation factor:                                          2.04
          Unique aggregates announced to Internet:                     128648
      Total ASes present in the Internet Routing Table:                 28709
          Prefixes per ASN:                                              9.18
      Origin-only ASes present in the Internet Routing Table:           25036
      Origin ASes announcing only one prefix:                           12109
      Transit ASes present in the Internet Routing Table:                3673
      Transit-only ASes present in the Internet Routing Table:             76
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      19
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               585
          Unregistered ASNs in the Routing Table:                         215
      Number of 32-bit ASNs allocated by the RIRs:                         50
      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:            778
      Number of addresses announced to Internet:                   1894510496
          Equivalent to 112 /8s, 235 /16s and 239 /24s
          Percentage of available address space announced:               51.1
          Percentage of allocated address space announced:               62.1
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               72.7
      Total number of prefixes smaller than registry allocations:      128645
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    60485
          Total APNIC prefixes after maximum aggregation:               22626
          APNIC Deaggregation factor:                                    2.67
      Prefixes being announced from the APNIC address blocks:           57467
          Unique aggregates announced from the APNIC address blocks:    25516
      APNIC Region origin ASes present in the Internet Routing Table:    3307
          APNIC Prefixes per ASN:                                       17.38
      APNIC Region origin ASes announcing only one prefix:                882
      APNIC Region transit ASes present in the Internet Routing Table:    518
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              368124960
          Equivalent to 21 /8s, 241 /16s and 36 /24s
          Percentage of available APNIC address space announced:         78.4
      
      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, 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, 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:                    121119
          Total ARIN prefixes after maximum aggregation:                65323
          ARIN Deaggregation factor:                                     1.85
      Prefixes being announced from the ARIN address blocks:            90675
          Unique aggregates announced from the ARIN address blocks:     35130
      ARIN Region origin ASes present in the Internet Routing Table:    12293
          ARIN Prefixes per ASN:                                         7.38
      ARIN Region origin ASes announcing only one prefix:                4747
      ARIN Region transit ASes present in the Internet Routing Table:    1155
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               352742688
          Equivalent to 21 /8s, 6 /16s and 109 /24s
          Percentage of available ARIN address space announced:          72.5
      
      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:                     56703
          Total RIPE prefixes after maximum aggregation:                34477
          RIPE Deaggregation factor:                                     1.64
      Prefixes being announced from the RIPE address blocks:            51898
          Unique aggregates announced from the RIPE address blocks:     34879
      RIPE Region origin ASes present in the Internet Routing Table:    11614
          RIPE Prefixes per ASN:                                         4.47
      RIPE Region origin ASes announcing only one prefix:                6089
      RIPE Region transit ASes present in the Internet Routing Table:    1740
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               366805568
          Equivalent to 21 /8s, 221 /16s and 2 /24s
          Percentage of available RIPE address space announced:          84.1
      
      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:                   20673
          Total LACNIC prefixes after maximum aggregation:               5279
          LACNIC Deaggregation factor:                                   3.92
      Prefixes being announced from the LACNIC address blocks:          18896
          Unique aggregates announced from the LACNIC address blocks:   10693
      LACNIC Region origin ASes present in the Internet Routing Table:    966
          LACNIC Prefixes per ASN:                                      19.56
      LACNIC Region origin ASes announcing only one prefix:               316
      LACNIC Region transit ASes present in the Internet Routing Table:   162
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              53626880
          Equivalent to 3 /8s, 50 /16s and 72 /24s
          Percentage of available LACNIC address space announced:        53.3
      
      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:                   4008
          Total AfriNIC prefixes after maximum aggregation:              1190
          AfriNIC Deaggregation factor:                                  3.37
      Prefixes being announced from the AfriNIC address blocks:          4300
          Unique aggregates announced from the AfriNIC address blocks:   1895
      AfriNIC Region origin ASes present in the Internet Routing Table:   241
          AfriNIC Prefixes per ASN:                                     17.84
      AfriNIC Region origin ASes announcing only one prefix:               75
      AfriNIC Region transit ASes present in the Internet Routing Table:   47
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12311296
          Equivalent to 0 /8s, 187 /16s and 219 /24s
          Percentage of available AfriNIC address space announced:       36.7
      
      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     1671        342         176   Videsh Sanchar Nigam Ltd. Aut
      17488     1219         84          96   Hathway IP Over Cable Interne
       9583     1170         89         481   Sify Limited
       4766      852       6390         347   Korea Telecom (KIX)
      23577      829         35         703   Korea Telecom (ATM-MPLS)
       4134      824      13539         334   CHINANET-BACKBONE
       9498      711        547          58   BHARTI BT INTERNET LTD.
       4780      707        351          63   Digital United Inc.
      18101      690        167          32   Reliance Infocom Ltd Internet
       4808      617       1111         137   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
        209     3008       3859         625   Qwest 
       6389     2662       3260         195   bellsouth.net, inc. 
       6298     1606        233         782   Cox Communicatons 
       4323     1482       1061         379   Time Warner Telecom
       2386     1477        646         873   AT&T Data Communications Serv
       7018     1415       6247         988   AT&T WorldNet Services
      11492     1210        149          32   Cable One 
       1785     1087        510         104   AppliedTheory Corporation 
      18566     1045        296          10   Covad Communications 
      20115     1041       1059         558   Charter 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      414       1792         372   TDC Tele Danmark
       3301      332       1460         303   TeliaNet Sweden
       3320      322       7047         270   Deutsche Telekom AG
       8452      319        188          11   TEDATA
       8866      317         77          21   Bulgarian Telecommunication C
       5462      296        666          27   Telewest Broadband
       8551      287        269          38   Bezeq International
       3215      286       2758          90   France Telecom Transpac
        680      274       2047         264   DFN-IP service G-WiN
       6746      269        126         244   Dynamic Network Technologies,
      
      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     1384       2590         225   UniNet S.A. de C.V. 
      11830      612        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
       7303      471        232          63   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      414         85          48   ENTEL CHILE S.A. 
      11172      408        118          71   Servicios Alestra S.A de C.V 
      10620      406        106          64   TVCABLE BOGOTA 
      14117      375         23           9   Telefonica del Sur S.A. 
      20299      335         23          98   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      476         61          24   LINKdotNET AS number
      20858      398         34           3   EgyNet
       3741      270        853         225   The Internet Solution 
       2018      209        204         102   Tertiary Education Network 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      135         10          12   EEPAD TISP TELECOM & INTERNET
       5713      130        556          75   Telkom SA Ltd 
       5536      120          8          17   Internet Egypt Network
      29571      107         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
        209     3008       3859         625   Qwest 
       6389     2662       3260         195   bellsouth.net, inc. 
       4755     1671        342         176   Videsh Sanchar Nigam Ltd. Aut
       6298     1606        233         782   Cox Communicatons 
       4323     1482       1061         379   Time Warner Telecom
       2386     1477        646         873   AT&T Data Communications Serv
       7018     1415       6247         988   AT&T WorldNet Services
       8151     1384       2590         225   UniNet S.A. de C.V. 
      17488     1219         84          96   Hathway IP Over Cable Interne
      11492     1210        149          32   Cable One 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       6389      2662        2467      bellsouth.net, inc. 
       4755      1671        1495      Videsh Sanchar Nigam Ltd. Aut
      11492      1210        1178      Cable One 
       8151      1384        1159      UniNet S.A. de C.V. 
      17488      1219        1123      Hathway IP Over Cable Interne
       4323      1482        1103      Time Warner Telecom
      18566      1045        1035      Covad Communications 
       1785      1087         983      AppliedTheory Corporation 
      22773       971         907      Cox Communications, Inc.
       6478      1003         835      AT&T Worldnet Services 
      
      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
      24.48.244.0/23        7843     Adelphia Corp. 
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.23.0/24         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
      
      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      /11:45      /12:146     
      /13:287     /14:517     /15:1041    /16:10011   /17:4336    /18:7517    
      /19:15887   /20:18525   /21:18193   /22:22730   /23:23637   /24:137913  
      /25:837     /26:1030    /27:778     /28:82      /29:7       /30:1       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        209     1760          3008      Qwest 
       6389     1664          2662      bellsouth.net, inc. 
       6298     1582          1606      Cox Communicatons 
      11492     1194          1210      Cable One 
       2386     1174          1477      AT&T Data Communications Serv
      17488     1033          1219      Hathway IP Over Cable Interne
      18566     1026          1045      Covad Communications 
       9583     1025          1170      Sify Limited
       4755     1023          1671      Videsh Sanchar Nigam Ltd. Aut
       6478      994          1003      AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:7         8:125      12:2091     13:2        15:22       16:3      
        17:5        18:13       20:35       24:1092     25:1        32:61     
        38:450      40:92       41:657      43:1        44:2        47:12     
        52:3        55:3        56:3        57:25       58:524      59:507    
        60:452      61:1009     62:1206     63:2031     64:3288     65:2386   
        66:3509     67:1229     68:735      69:2266     70:799      71:118    
        72:1961     73:5        74:1064     75:155      76:315      77:749    
        78:748      79:203      80:934      81:840      82:592      83:377    
        84:559      85:960      86:413      87:687      88:338      89:1316   
        90:15       91:1386     92:224      93:691      94:56       96:40     
        97:31       98:253      99:2       112:1       113:1       114:90     
       115:3       116:843     117:320     118:190     119:440     120:59     
       121:562     122:796     123:363     124:890     125:1168    128:361    
       129:199     130:132     131:410     132:66      133:9       134:186    
       135:33      136:223     137:91      138:147     139:94      140:493    
       141:98      142:406     143:325     144:384     145:51      146:366    
       147:157     148:517     149:198     150:129     151:180     152:144    
       153:136     154:10      155:251     156:174     157:291     158:187    
       159:239     160:279     161:118     162:210     163:154     164:525    
       165:452     166:318     167:330     168:621     169:138     170:423    
       171:32      172:10      188:1       189:287     190:2206    192:5798   
       193:4095    194:3231    195:2525    196:1042    198:3734    199:3270   
       200:5566    201:1462    202:7639    203:8045    204:3987    205:2132   
       206:2383    207:2762    208:3422    209:3510    210:2592    211:1074   
       212:1411    213:1610    214:164     215:49      216:4426    217:1195   
       218:343     219:421     220:1059    221:465     222:306    
      
      End of report