[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, 25 Oct 2008 04:09:48 +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 25 Oct, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              271907
          Prefixes after maximum aggregation:                          131148
          Deaggregation factor:                                          2.07
          Unique aggregates announced to Internet:                     132451
      Total ASes present in the Internet Routing Table:                 29588
          Prefixes per ASN:                                              9.19
      Origin-only ASes present in the Internet Routing Table:           25742
      Origin ASes announcing only one prefix:                           12531
      Transit ASes present in the Internet Routing Table:                3846
      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:                                      19
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               549
          Unregistered ASNs in the Routing Table:                         196
      Number of 32-bit ASNs allocated by the RIRs:                         61
      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:            751
      Number of addresses announced to Internet:                   1912392384
          Equivalent to 113 /8s, 252 /16s and 202 /24s
          Percentage of available address space announced:               51.6
          Percentage of allocated address space announced:               62.7
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               73.9
      Total number of prefixes smaller than registry allocations:      133807
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    62377
          Total APNIC prefixes after maximum aggregation:               23279
          APNIC Deaggregation factor:                                    2.68
      Prefixes being announced from the APNIC address blocks:           59339
          Unique aggregates announced from the APNIC address blocks:    26786
      APNIC Region origin ASes present in the Internet Routing Table:    3418
          APNIC Prefixes per ASN:                                       17.36
      APNIC Region origin ASes announcing only one prefix:                918
      APNIC Region transit ASes present in the Internet Routing Table:    532
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              379774368
          Equivalent to 22 /8s, 162 /16s and 229 /24s
          Percentage of available APNIC address space announced:         80.8
      
      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:                    123035
          Total ARIN prefixes after maximum aggregation:                64787
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:            92511
          Unique aggregates announced from the ARIN address blocks:     35100
      ARIN Region origin ASes present in the Internet Routing Table:    12535
          ARIN Prefixes per ASN:                                         7.38
      ARIN Region origin ASes announcing only one prefix:                4842
      ARIN Region transit ASes present in the Internet Routing Table:    1198
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               363924896
          Equivalent to 21 /8s, 177 /16s and 13 /24s
          Percentage of available ARIN address space announced:          74.8
      
      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:                     59860
          Total RIPE prefixes after maximum aggregation:                35810
          RIPE Deaggregation factor:                                     1.67
      Prefixes being announced from the RIPE address blocks:            55001
          Unique aggregates announced from the RIPE address blocks:     36533
      RIPE Region origin ASes present in the Internet Routing Table:    12084
          RIPE Prefixes per ASN:                                         4.55
      RIPE Region origin ASes announcing only one prefix:                6351
      RIPE Region transit ASes present in the Internet Routing Table:    1844
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               376405152
          Equivalent to 22 /8s, 111 /16s and 124 /24s
          Percentage of available RIPE address space announced:          86.3
      
      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, 47104-49151
      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:                   22011
          Total LACNIC prefixes after maximum aggregation:               5514
          LACNIC Deaggregation factor:                                   3.99
      Prefixes being announced from the LACNIC address blocks:          20083
          Unique aggregates announced from the LACNIC address blocks:   11207
      LACNIC Region origin ASes present in the Internet Routing Table:   1018
          LACNIC Prefixes per ASN:                                      19.73
      LACNIC Region origin ASes announcing only one prefix:               338
      LACNIC Region transit ASes present in the Internet Routing Table:   169
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              57442816
          Equivalent to 3 /8s, 108 /16s and 130 /24s
          Percentage of available LACNIC address space announced:        57.1
      
      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:                   4078
          Total AfriNIC prefixes after maximum aggregation:              1320
          AfriNIC Deaggregation factor:                                  3.09
      Prefixes being announced from the AfriNIC address blocks:          4340
          Unique aggregates announced from the AfriNIC address blocks:   2112
      AfriNIC Region origin ASes present in the Internet Routing Table:   264
          AfriNIC Prefixes per ASN:                                     16.44
      AfriNIC Region origin ASes announcing only one prefix:               82
      AfriNIC Region transit ASes present in the Internet Routing Table:   54
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             12873216
          Equivalent to 0 /8s, 196 /16s and 110 /24s
          Percentage of available AfriNIC address space announced:       38.4
      
      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     1491        526         199   TATA Communications formerly 
      17488     1392         97         105   Hathway IP Over Cable Interne
       9583     1107         87         475   Sify Limited
       4766      883       6408         364   Korea Telecom (KIX)
       4134      858      13760         353   CHINANET-BACKBONE
      23577      812         35         694   Korea Telecom (ATM-MPLS)
      18101      783        161          67   Reliance Infocom Ltd Internet
       4780      723        357          63   Digital United Inc.
       9498      692        295          54   BHARTI BT INTERNET LTD.
       4808      631       1164         142   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     4354       3416         338   bellsouth.net, inc. 
        209     3061       4035         624   Qwest 
       6298     2025        320         705   Cox Communicatons 
       1785     1696        718         159   PaeTec Communications, Inc.
      20115     1650       1437         723   Charter Communications 
       2386     1587        699         896   AT&T Data Communications Serv
       4323     1555       1084         372   Time Warner Telecom
       7018     1416       5873         980   AT&T WorldNet Services
       6478     1322        274         197   AT&T Worldnet Services 
      11492     1212        152          11   Cable One 
      
      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      432       1777         384   TDC Tele Danmark
      30890      348         94         188   SC Kappa Invexim SRL
       3301      329       1428         300   TeliaNet Sweden
       3215      328       2756         106   France Telecom Transpac
       8866      328        111          23   Bulgarian Telecommunication C
       3320      326       7063         275   Deutsche Telekom AG
       5462      301        794          27   Telewest Broadband
      25233      295         45          27   Awalnet
       8452      294        188          11   TEDATA
       8551      287        270          37   Bezeq International
      
      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     1397       2833         220   UniNet S.A. de C.V. 
      11830      669        299           9   Instituto Costarricense de El
      22047      566        270          14   VTR PUNTO NET S.A. 
      10620      518        122          63   TVCABLE BOGOTA 
       7303      494        243          70   Telecom Argentina Stet-France
      16814      425         27          10   NSS, S.A. 
       6471      419         85          48   ENTEL CHILE S.A. 
      11172      407        118          73   Servicios Alestra S.A de C.V 
      28573      353        464          22   NET Servicos de Comunicao S.A
      14117      331         23           9   Telefonica del Sur 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
      24863      548         72          42   LINKdotNET AS number
       3741      269        856         225   The Internet Solution 
       2018      233        215         139   Tertiary Education Network 
      20858      217         34           3   EgyNet
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      138         10          13   EEPAD TISP TELECOM & INTERNET
       5536      120          8          17   Internet Egypt Network
      33776      116          6           3   Starcomms Nigeria Limited
       5713      113        555          64   Telkom SA Ltd 
      29571      113         13           9   Ci Telecom Autonomous system 
      
      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     4354       3416         338   bellsouth.net, inc. 
        209     3061       4035         624   Qwest 
       6298     2025        320         705   Cox Communicatons 
       1785     1696        718         159   PaeTec Communications, Inc.
      20115     1650       1437         723   Charter Communications 
       2386     1587        699         896   AT&T Data Communications Serv
       4323     1555       1084         372   Time Warner Telecom
       4755     1491        526         199   TATA Communications formerly 
       7018     1416       5873         980   AT&T WorldNet Services
       8151     1397       2833         220   UniNet S.A. de C.V. 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      3061        2437      Qwest 
       1785      1696        1537      PaeTec Communications, Inc.
       6298      2025        1320      Cox Communicatons 
       4755      1491        1292      TATA Communications formerly 
      17488      1392        1287      Hathway IP Over Cable Interne
      11492      1212        1201      Cable One 
       4323      1555        1183      Time Warner Telecom
       8151      1397        1177      UniNet S.A. de C.V. 
       6478      1322        1125      AT&T Worldnet Services 
      18566      1059        1049      Covad Communications 
      
      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
      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
      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         3549       Global Crossing 
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.75.116.0/22       10796     ServiceCo LLC - Road Runner 
      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 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      63.143.71.0/24         701     UUNET Technologies, Inc. 
      63.143.115.0/24        701     UUNET Technologies, Inc. 
      
      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       /10:17      /11:46      /12:148     
      /13:298     /14:538     /15:1065    /16:10122   /17:4401    /18:7639    
      /19:16422   /20:19306   /21:18769   /22:23822   /23:24789   /24:141736  
      /25:819     /26:995     /27:841     /28:90      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2852          4354      bellsouth.net, inc. 
       6298     1999          2025      Cox Communicatons 
        209     1781          3061      Qwest 
       2386     1269          1587      AT&T Data Communications Serv
      11492     1188          1212      Cable One 
      17488     1183          1392      Hathway IP Over Cable Interne
       1785     1157          1696      PaeTec Communications, Inc.
       6478     1105          1322      AT&T Worldnet Services 
      18566     1040          1059      Covad Communications 
       9583      974          1107      Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:12        8:140      12:2179     13:2        15:21       16:3      
        17:5        20:35       24:1084     32:55       38:512      40:92     
        41:720      43:1        44:2        47:13       52:3        55:3      
        56:3        57:27       58:519      59:531      60:452      61:1030   
        62:1113     63:2035     64:3263     65:2432     66:3500     67:1284   
        68:805      69:2331     70:863      71:138      72:2055     73:7      
        74:1262     75:168      76:284      77:925      78:810      79:282    
        80:911      81:870      82:606      83:403      84:595      85:1039   
        86:508      87:693      88:344      89:1365     90:23       91:1608   
        92:287      93:955      94:267      95:3        96:80       97:111    
        98:360      99:13      113:26      114:114     115:127     116:994    
       117:382     118:238     119:512     120:95      121:608     122:849    
       123:465     124:862     125:1194    128:354     129:207     130:135    
       131:416     132:72      133:9       134:185     135:31      136:156    
       137:98      138:145     139:81      140:409     141:105     142:389    
       143:299     144:324     145:51      146:375     147:141     148:523    
       149:212     150:128     151:208     152:147     153:135     154:10     
       155:278     156:174     157:302     158:169     159:302     160:274    
       161:139     162:255     163:133     164:520     165:502     166:363    
       167:338     168:635     169:154     170:450     171:33      172:10     
       173:56      187:18      188:1       189:296     190:2315    192:5749   
       193:4160    194:3273    195:2618    196:1004    198:3714    199:3301   
       200:5546    201:1450    202:7762    203:8048    204:3919    205:2167   
       206:2285    207:2762    208:3720    209:3429    210:2574    211:1093   
       212:1545    213:1612    214:164     215:25      216:4428    217:1258   
       218:349     219:438     220:1056    221:417     222:300    
      
      End of report