[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, 12 Jul 2008 04:07:42 +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 12 Jul, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              262262
          Prefixes after maximum aggregation:                          128798
          Deaggregation factor:                                          2.04
          Unique aggregates announced to Internet:                     128001
      Total ASes present in the Internet Routing Table:                 28650
          Prefixes per ASN:                                              9.15
      Origin-only ASes present in the Internet Routing Table:           24985
      Origin ASes announcing only one prefix:                           12092
      Transit ASes present in the Internet Routing Table:                3665
      Transit-only ASes present in the Internet Routing Table:             78
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      18
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               603
          Unregistered ASNs in the Routing Table:                         217
      Number of 32-bit ASNs allocated by the RIRs:                         48
      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:            781
      Number of addresses announced to Internet:                   1856079840
          Equivalent to 110 /8s, 161 /16s and 135 /24s
          Percentage of available address space announced:               50.1
          Percentage of allocated address space announced:               60.8
          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:      127883
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    60114
          Total APNIC prefixes after maximum aggregation:               22448
          APNIC Deaggregation factor:                                    2.68
      Prefixes being announced from the APNIC address blocks:           57088
          Unique aggregates announced from the APNIC address blocks:    25456
      APNIC Region origin ASes present in the Internet Routing Table:    3301
          APNIC Prefixes per ASN:                                       17.29
      APNIC Region origin ASes announcing only one prefix:                879
      APNIC Region transit ASes present in the Internet Routing Table:    520
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              365086240
          Equivalent to 21 /8s, 194 /16s and 198 /24s
          Percentage of available APNIC address space announced:         77.7
      
      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:                    120397
          Total ARIN prefixes after maximum aggregation:                65051
          ARIN Deaggregation factor:                                     1.85
      Prefixes being announced from the ARIN address blocks:            90092
          Unique aggregates announced from the ARIN address blocks:     34869
      ARIN Region origin ASes present in the Internet Routing Table:    12272
          ARIN Prefixes per ASN:                                         7.34
      ARIN Region origin ASes announcing only one prefix:                4750
      ARIN Region transit ASes present in the Internet Routing Table:    1146
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               351882784
          Equivalent to 20 /8s, 249 /16s and 78 /24s
          Percentage of available ARIN address space announced:          72.3
      
      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:                     56428
          Total RIPE prefixes after maximum aggregation:                34361
          RIPE Deaggregation factor:                                     1.64
      Prefixes being announced from the RIPE address blocks:            51609
          Unique aggregates announced from the RIPE address blocks:     34670
      RIPE Region origin ASes present in the Internet Routing Table:    11584
          RIPE Prefixes per ASN:                                         4.46
      RIPE Region origin ASes announcing only one prefix:                6079
      RIPE Region transit ASes present in the Internet Routing Table:    1742
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               365628544
          Equivalent to 21 /8s, 203 /16s and 12 /24s
          Percentage of available RIPE address space announced:          83.8
      
      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:                   20695
          Total LACNIC prefixes after maximum aggregation:               5260
          LACNIC Deaggregation factor:                                   3.93
      Prefixes being announced from the LACNIC address blocks:          18843
          Unique aggregates announced from the LACNIC address blocks:   10697
      LACNIC Region origin ASes present in the Internet Routing Table:    963
          LACNIC Prefixes per ASN:                                      19.57
      LACNIC Region origin ASes announcing only one prefix:               311
      LACNIC Region transit ASes present in the Internet Routing Table:   160
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        17
      Number of LACNIC addresses announced to Internet:              53584640
          Equivalent to 3 /8s, 49 /16s and 163 /24s
          Percentage of available LACNIC address space announced:        53.2
      
      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:                   4028
          Total AfriNIC prefixes after maximum aggregation:              1186
          AfriNIC Deaggregation factor:                                  3.40
      Prefixes being announced from the AfriNIC address blocks:          4333
          Unique aggregates announced from the AfriNIC address blocks:   1861
      AfriNIC Region origin ASes present in the Internet Routing Table:   239
          AfriNIC Prefixes per ASN:                                     18.13
      AfriNIC Region origin ASes announcing only one prefix:               73
      AfriNIC Region transit ASes present in the Internet Routing Table:   45
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             12243712
          Equivalent to 0 /8s, 186 /16s and 211 /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     1673        342         175   Videsh Sanchar Nigam Ltd. Aut
      17488     1208         83          93   Hathway IP Over Cable Interne
       9583     1152         86         477   Sify Limited
       9498     1080        550          63   BHARTI BT INTERNET LTD.
       4766      851       6390         347   Korea Telecom (KIX)
      23577      831         35         704   Korea Telecom (ATM-MPLS)
       4134      823      13523         332   CHINANET-BACKBONE
       4780      704        351          63   Digital United Inc.
      18101      692        167          33   Reliance Infocom Ltd Internet
       9829      599        450          12   BSNL National Internet Backbo
      
      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       3874         625   Qwest 
       6389     2664       3260         195   bellsouth.net, inc. 
       2386     1485        663         877   AT&T Data Communications Serv
       4323     1475       1045         377   Time Warner Telecom
       7018     1399       5823         981   AT&T WorldNet Services
       6298     1303        185         753   Cox Communicatons 
      11492     1221        148          31   Cable One 
       1785     1084        510         104   AppliedTheory Corporation 
      18566     1045        296          10   Covad Communications 
      20115     1043       1059         557   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
       8452      348        188          11   TEDATA
       3301      333       1460         304   TeliaNet Sweden
       3320      322       7047         270   Deutsche Telekom AG
       8866      313         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     1368       2588         224   UniNet S.A. de C.V. 
      11830      612        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
       7303      469        231          65   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      405        106          69   TVCABLE BOGOTA 
      14117      375         23           9   Telefonica del Sur S.A. 
      20299      336         23          99   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      475         61          30   LINKdotNET AS number
      20858      398         34           3   EgyNet
       3741      273        853         224   The Internet Solution 
       2018      222        206          94   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      100          6           3   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       3874         625   Qwest 
       6389     2664       3260         195   bellsouth.net, inc. 
       4755     1673        342         175   Videsh Sanchar Nigam Ltd. Aut
       2386     1485        663         877   AT&T Data Communications Serv
       4323     1475       1045         377   Time Warner Telecom
       7018     1399       5823         981   AT&T WorldNet Services
       8151     1368       2588         224   UniNet S.A. de C.V. 
       6298     1303        185         753   Cox Communicatons 
      11492     1221        148          31   Cable One 
      17488     1208         83          93   Hathway IP Over Cable Interne
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       6389      2664        2469      bellsouth.net, inc. 
       4755      1673        1498      Videsh Sanchar Nigam Ltd. Aut
      11492      1221        1190      Cable One 
       8151      1368        1144      UniNet S.A. de C.V. 
      17488      1208        1115      Hathway IP Over Cable Interne
       4323      1475        1098      Time Warner Telecom
      18566      1045        1035      Covad Communications 
       9498      1080        1017      BHARTI BT INTERNET LTD.
       1785      1084         980      AppliedTheory Corporation 
      22773       969         906      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
      24.48.244.0/23        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        /8:17       /9:9       /10:16      /11:45      /12:145     
      /13:286     /14:516     /15:1037    /16:9979    /17:4327    /18:7427    
      /19:15846   /20:18437   /21:18085   /22:22612   /23:23524   /24:137181  
      /25:854     /26:1038    /27:781     /28:83      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        209     1761          3008      Qwest 
       6389     1667          2664      bellsouth.net, inc. 
       6298     1288          1303      Cox Communicatons 
      11492     1205          1221      Cable One 
       2386     1181          1485      AT&T Data Communications Serv
      18566     1026          1045      Covad Communications 
      17488     1022          1208      Hathway IP Over Cable Interne
       4755     1018          1673      Videsh Sanchar Nigam Ltd. Aut
       9583     1007          1152      Sify Limited
       6478      981           990      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         8:126      12:2084     13:2        15:22       16:3      
        17:5        18:13       20:35       24:1081     25:1        32:61     
        38:447      40:92       41:663      43:1        44:2        47:12     
        52:3        55:3        56:3        57:25       58:518      59:505    
        60:450      61:1002     62:1192     63:2028     64:3282     65:2382   
        66:3519     67:1229     68:712      69:2266     70:736      71:118    
        72:1900     73:5        74:1054     75:153      76:302      77:744    
        78:723      79:200      80:931      81:841      82:589      83:388    
        84:564      85:952      86:411      87:684      88:335      89:1289   
        90:14       91:1336     92:220      93:674      94:56       96:40     
        97:28       98:207      99:2       112:1       113:1       114:79     
       115:2       116:824     117:319     118:190     119:420     120:60     
       121:562     122:798     123:364     124:867     125:1160    128:362    
       129:199     130:132     131:407     132:66      133:9       134:177    
       135:32      136:222     137:83      138:146     139:94      140:490    
       141:98      142:407     143:314     144:367     145:51      146:367    
       147:158     148:516     149:198     150:130     151:190     152:144    
       153:136     154:10      155:277     156:174     157:291     158:184    
       159:237     160:279     161:118     162:219     163:187     164:523    
       165:451     166:320     167:329     168:632     169:137     170:428    
       171:32      172:10      188:1       189:271     190:2175    192:5723   
       193:4104    194:3224    195:2525    196:1046    198:3715    199:3256   
       200:5549    201:1471    202:7611    203:8047    204:3972    205:2124   
       206:2383    207:2760    208:3423    209:3494    210:2588    211:1074   
       212:1404    213:1574    214:158     215:49      216:4411    217:1201   
       218:342     219:420     220:1058    221:468     222:308    
      
      End of report