[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, 8 Nov 2008 04:11:43 +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 08 Nov, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              272998
          Prefixes after maximum aggregation:                          131801
          Deaggregation factor:                                          2.07
          Unique aggregates announced to Internet:                     133598
      Total ASes present in the Internet Routing Table:                 29730
          Prefixes per ASN:                                              9.18
      Origin-only ASes present in the Internet Routing Table:           25883
      Origin ASes announcing only one prefix:                           12609
      Transit ASes present in the Internet Routing Table:                3847
      Transit-only ASes present in the Internet Routing Table:             84
      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:               574
          Unregistered ASNs in the Routing Table:                         202
      Number of 32-bit ASNs allocated by the RIRs:                         62
      Prefixes from 32-bit ASNs in the Routing Table:                       9
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            202
      Number of addresses announced to Internet:                   1920631360
          Equivalent to 114 /8s, 122 /16s and 130 /24s
          Percentage of available address space announced:               51.8
          Percentage of allocated address space announced:               62.6
          Percentage of available address space allocated:               82.8
          Percentage of address space in use by end-sites:               74.2
      Total number of prefixes smaller than registry allocations:      134144
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    62514
          Total APNIC prefixes after maximum aggregation:               23424
          APNIC Deaggregation factor:                                    2.67
      Prefixes being announced from the APNIC address blocks:           59420
          Unique aggregates announced from the APNIC address blocks:    26950
      APNIC Region origin ASes present in the Internet Routing Table:    3452
          APNIC Prefixes per ASN:                                       17.21
      APNIC Region origin ASes announcing only one prefix:                932
      APNIC Region transit ASes present in the Internet Routing Table:    535
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              380616864
          Equivalent to 22 /8s, 175 /16s and 192 /24s
          Percentage of available APNIC address space announced:         81.0
      
      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, 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:                    123687
          Total ARIN prefixes after maximum aggregation:                64998
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:            93211
          Unique aggregates announced from the ARIN address blocks:     35626
      ARIN Region origin ASes present in the Internet Routing Table:    12572
          ARIN Prefixes per ASN:                                         7.41
      ARIN Region origin ASes announcing only one prefix:                4862
      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:               368498336
          Equivalent to 21 /8s, 246 /16s and 214 /24s
          Percentage of available ARIN address space announced:          75.7
      
      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:                     59832
          Total RIPE prefixes after maximum aggregation:                36005
          RIPE Deaggregation factor:                                     1.66
      Prefixes being announced from the RIPE address blocks:            55490
          Unique aggregates announced from the RIPE address blocks:     37170
      RIPE Region origin ASes present in the Internet Routing Table:    12142
          RIPE Prefixes per ASN:                                         4.57
      RIPE Region origin ASes announcing only one prefix:                6395
      RIPE Region transit ASes present in the Internet Routing Table:    1842
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               377756960
          Equivalent to 22 /8s, 132 /16s and 29 /24s
          Percentage of available RIPE address space announced:          86.6
      
      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:                   22261
          Total LACNIC prefixes after maximum aggregation:               5619
          LACNIC Deaggregation factor:                                   3.96
      Prefixes being announced from the LACNIC address blocks:          20244
          Unique aggregates announced from the LACNIC address blocks:   11339
      LACNIC Region origin ASes present in the Internet Routing Table:   1028
          LACNIC Prefixes per ASN:                                      19.69
      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:              57736192
          Equivalent to 3 /8s, 112 /16s and 252 /24s
          Percentage of available LACNIC address space announced:        57.4
      
      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:                   4151
          Total AfriNIC prefixes after maximum aggregation:              1323
          AfriNIC Deaggregation factor:                                  3.14
      Prefixes being announced from the AfriNIC address blocks:          4434
          Unique aggregates announced from the AfriNIC address blocks:   2165
      AfriNIC Region origin ASes present in the Internet Routing Table:   266
          AfriNIC Prefixes per ASN:                                     16.67
      AfriNIC Region origin ASes announcing only one prefix:               82
      AfriNIC Region transit ASes present in the Internet Routing Table:   52
      Average AfriNIC Region AS path length visible:                      4.0
          Max AfriNIC Region AS path length visible:                       16
      Number of AfriNIC addresses announced to Internet:             12919552
          Equivalent to 0 /8s, 197 /16s and 35 /24s
          Percentage of available AfriNIC address space announced:       25.7
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      17488     1409         99         102   Hathway IP Over Cable Interne
       4755     1310        516         177   TATA Communications formerly 
       9583     1110         87         476   Sify Limited
       4766      886       6409         364   Korea Telecom (KIX)
       4134      878      13772         361   CHINANET-BACKBONE
      23577      815         35         700   Korea Telecom (ATM-MPLS)
      18101      783        161          67   Reliance Infocom Ltd Internet
       4780      727        357          63   Digital United Inc.
       9498      694        295          54   BHARTI BT INTERNET LTD.
       4808      630       1172         143   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     4356       3417         340   bellsouth.net, inc. 
        209     3042       4035         623   Qwest 
       6298     2079        326         690   Cox Communicatons 
       1785     1693        717         154   PaeTec Communications, Inc.
      20115     1660       1452         725   Charter Communications 
       6478     1650        363         193   AT&T Worldnet Services 
       2386     1587        700         898   AT&T Data Communications Serv
       4323     1575       1084         377   Time Warner Telecom
       7018     1402       5869         970   AT&T WorldNet Services
      11492     1210        149          16   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      429       1766         381   TDC Tele Danmark
      30890      348         94         188   SC Kappa Invexim SRL
       3301      332       1429         303   TeliaNet Sweden
       3215      331       2788          99   France Telecom Transpac
       8866      331        111          23   Bulgarian Telecommunication C
       3320      326       7063         275   Deutsche Telekom AG
       8452      325        188          11   TEDATA
       5462      300        794          27   Telewest Broadband
      25233      289         44          24   Awalnet
       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     1400       2848         218   UniNet S.A. de C.V. 
      11830      670        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
      10620      545        126          59   TVCABLE BOGOTA 
       7303      494        243          69   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      420         85          49   ENTEL CHILE S.A. 
      11172      405        118          72   Servicios Alestra S.A de C.V 
      28573      341        468          23   NET Servicos de Comunicao S.A
      14117      330         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      562         73          45   LINKdotNET AS number
       3741      270        856         226   The Internet Solution 
      20858      256         34           3   EgyNet
       2018      238        215         140   Tertiary Education Network 
       6713      142        135          11   Itissalat Al-MAGHRIB
      33783      141         10          15   EEPAD TISP TELECOM & INTERNET
       5536      120          8          17   Internet Egypt Network
       5713      114        555          63   Telkom SA Ltd 
      29571      113         13           9   Ci Telecom Autonomous system 
      33776      109          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
       6389     4356       3417         340   bellsouth.net, inc. 
        209     3042       4035         623   Qwest 
       6298     2079        326         690   Cox Communicatons 
       1785     1693        717         154   PaeTec Communications, Inc.
      20115     1660       1452         725   Charter Communications 
       6478     1650        363         193   AT&T Worldnet Services 
       2386     1587        700         898   AT&T Data Communications Serv
       4323     1575       1084         377   Time Warner Telecom
      17488     1409         99         102   Hathway IP Over Cable Interne
       7018     1402       5869         970   AT&T WorldNet Services
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      3042        2419      Qwest 
       1785      1693        1539      PaeTec Communications, Inc.
       6478      1650        1457      AT&T Worldnet Services 
       6298      2079        1389      Cox Communicatons 
      17488      1409        1307      Hathway IP Over Cable Interne
       4323      1575        1198      Time Warner Telecom
      11492      1210        1194      Cable One 
       8151      1400        1182      UniNet S.A. de C.V. 
       4755      1310        1133      TATA Communications formerly 
      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
      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 
      25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.75.116.0/22       10796     ServiceCo LLC - Road Runner 
      24.75.160.0/19        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
      41.191.124.0/22       2905     Verizon South Africa
      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
      
      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       /10:18      /11:46      /12:149     
      /13:298     /14:538     /15:1067    /16:10137   /17:4427    /18:7668    
      /19:16493   /20:19336   /21:19024   /22:24005   /23:24859   /24:142112  
      /25:840     /26:1017    /27:832     /28:88      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2851          4356      bellsouth.net, inc. 
       6298     2053          2079      Cox Communicatons 
        209     1756          3042      Qwest 
       2386     1269          1587      AT&T Data Communications Serv
      17488     1198          1409      Hathway IP Over Cable Interne
      11492     1187          1210      Cable One 
       1785     1156          1693      PaeTec Communications, Inc.
       6478     1105          1650      AT&T Worldnet Services 
      18566     1040          1059      Covad Communications 
       9583      977          1110      Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:12        8:154      12:2178     13:2        15:21       16:3      
        17:5        20:35       24:1087     32:54       38:518      40:92     
        41:775      43:1        44:2        47:13       52:3        55:3      
        56:3        57:26       58:516      59:533      60:452      61:1032   
        62:1139     63:2009     64:3277     65:2428     66:3501     67:1313   
        68:808      69:2331     70:878      71:137      72:2065     73:7      
        74:1276     75:167      76:290      77:878      78:517      79:282    
        80:924      81:865      82:609      83:397      84:584      85:1025   
        86:509      87:704      88:347      89:1353     90:25       91:1661   
        92:288      93:963      94:326      95:34       96:86       97:128    
        98:386      99:15      113:40      114:119     115:144     116:1005   
       117:402     118:241     119:516     120:102     121:609     122:855    
       123:444     124:861     125:1226    128:353     129:217     130:135    
       131:407     132:72      133:9       134:186     135:31      136:224    
       137:102     138:145     139:83      140:414     141:111     142:391    
       143:298     144:302     145:52      146:373     147:140     148:605    
       149:211     150:129     151:208     152:150     153:136     154:10     
       155:274     156:174     157:302     158:168     159:282     160:273    
       161:140     162:247     163:135     164:518     165:503     166:361    
       167:341     168:630     169:155     170:454     171:40      172:10     
       173:129     174:1       187:18      188:1       189:308     190:2373   
       192:5825    193:4153    194:3291    195:2639    196:1018    198:3717   
       199:3308    200:5551    201:1479    202:7672    203:8036    204:3927   
       205:2189    206:2310    207:2772    208:3717    209:3459    210:2589   
       211:1093    212:1537    213:1631    214:69      215:25      216:4355   
       217:1252    218:351     219:421     220:1059    221:418     222:302    
      
      
      End of report