[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, 15 Mar 2008 04:07:07 +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 15 Mar, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              248991
          Prefixes after maximum aggregation:                          125466
          Deaggregation factor:                                          1.98
          Unique aggregates announced to Internet:                     120991
      Total ASes present in the Internet Routing Table:                 27634
          Prefixes per ASN:                                              9.01
      Origin-only ASes present in the Internet Routing Table:           24096
      Origin ASes announcing only one prefix:                           11666
      Transit ASes present in the Internet Routing Table:                3538
      Transit-only ASes present in the Internet Routing Table:             77
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      19
          Max AS path prepend of ASN (43380)                               13
      Prefixes from unregistered ASNs in the Routing Table:                49
          Unregistered ASNs in the Routing Table:                          20
      Number of 32-bit ASNs allocated by the RIRs:                         46
      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:            867
      Number of addresses announced to Internet:                   1844889344
          Equivalent to 109 /8s, 246 /16s and 199 /24s
          Percentage of available address space announced:               49.8
          Percentage of allocated address space announced:               61.1
          Percentage of available address space allocated:               81.4
          Percentage of address space in use by end-sites:               70.8
      Total number of prefixes smaller than registry allocations:      118196
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    56643
          Total APNIC prefixes after maximum aggregation:               20889
          APNIC Deaggregation factor:                                    2.71
      Prefixes being announced from the APNIC address blocks:           54217
          Unique aggregates announced from the APNIC address blocks:    23198
      APNIC Region origin ASes present in the Internet Routing Table:    3163
          APNIC Prefixes per ASN:                                       17.14
      APNIC Region origin ASes announcing only one prefix:                849
      APNIC Region transit ASes present in the Internet Routing Table:    488
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              335588192
          Equivalent to 20 /8s, 0 /16s and 171 /24s
          Percentage of available APNIC address space announced:         76.9
      
      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:                    116408
          Total ARIN prefixes after maximum aggregation:                65597
          ARIN Deaggregation factor:                                     1.77
      Prefixes being announced from the ARIN address blocks:            85043
          Unique aggregates announced from the ARIN address blocks:     33612
      ARIN Region origin ASes present in the Internet Routing Table:    12212
          ARIN Prefixes per ASN:                                         6.96
      ARIN Region origin ASes announcing only one prefix:                4692
      ARIN Region transit ASes present in the Internet Routing Table:    1142
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          17
      Number of ARIN addresses announced to Internet:               358814080
          Equivalent to 21 /8s, 99 /16s and 17 /24s
          Percentage of available ARIN address space announced:          73.7
      
      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
      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:                     53215
          Total RIPE prefixes after maximum aggregation:                33075
          RIPE Deaggregation factor:                                     1.61
      Prefixes being announced from the RIPE address blocks:            48331
          Unique aggregates announced from the RIPE address blocks:     32528
      RIPE Region origin ASes present in the Internet Routing Table:    11037
          RIPE Prefixes per ASN:                                         4.38
      RIPE Region origin ASes announcing only one prefix:                5748
      RIPE Region transit ASes present in the Internet Routing Table:    1679
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               347490080
          Equivalent to 20 /8s, 182 /16s and 71 /24s
          Percentage of available RIPE address space announced:          79.7
      
      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
      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:                   19085
          Total LACNIC prefixes after maximum aggregation:               4763
          LACNIC Deaggregation factor:                                   4.01
      Prefixes being announced from the LACNIC address blocks:          17405
          Unique aggregates announced from the LACNIC address blocks:    9489
      LACNIC Region origin ASes present in the Internet Routing Table:    913
          LACNIC Prefixes per ASN:                                      19.06
      LACNIC Region origin ASes announcing only one prefix:               299
      LACNIC Region transit ASes present in the Internet Routing Table:   154
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              49694208
          Equivalent to 2 /8s, 246 /16s and 70 /24s
          Percentage of available LACNIC address space announced:        49.4
      
      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:                   3589
          Total AfriNIC prefixes after maximum aggregation:              1126
          AfriNIC Deaggregation factor:                                  3.19
      Prefixes being announced from the AfriNIC address blocks:          4011
          Unique aggregates announced from the AfriNIC address blocks:   1804
      AfriNIC Region origin ASes present in the Internet Routing Table:   231
          AfriNIC Prefixes per ASN:                                     17.36
      AfriNIC Region origin ASes announcing only one prefix:               78
      AfriNIC Region transit ASes present in the Internet Routing Table:   42
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             10149632
          Equivalent to 0 /8s, 154 /16s and 223 /24s
          Percentage of available AfriNIC address space announced:       30.2
      
      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     1549        381         127   Videsh Sanchar Nigam Ltd. Aut
       9498     1159        550          66   BHARTI BT INTERNET LTD.
       9583     1148        109          26   Sify Limited
      17488     1024         66          79   Hathway IP Over Cable Interne
       4134      856      12473         317   CHINANET-BACKBONE
       4766      849       6005         340   Korea Telecom (KIX)
      23577      815         34         697   Korea Telecom (ATM-MPLS)
      18101      674        126          53   Reliance Infocom Ltd Internet
       9829      595        449          11   BSNL National Internet Backbo
       4812      560        951          90   China Telecom (Shanghai)
      
      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
       7018     1430       5945        1006   AT&T WorldNet Services
       4323     1394       1028         368   Time Warner Telecom
       2386     1387        638         844   AT&T Data Communications Serv
      11492     1215        146          23   Cable One 
       7011     1063        309         607   Citizens Utilities 
      18566     1043        296          10   Covad Communications 
       6197      990        728         477   BellSouth Network Solutions, 
       1785      977        479         103   AppliedTheory Corporation 
        174      962       6835         813   Cogent Communications
       6478      932        238         111   AT&T Worldnet Services 
      
      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      398       1778         363   TDC Tele Danmark
       8452      384        188           7   TEDATA
       3301      345       1443         311   TeliaNet Sweden
       3320      322       7045         267   Deutsche Telekom AG
       8866      293         78          24   Bulgarian Telecommunication C
       8551      279        267          42   Bezeq International
       3215      276       2639          90   France Telecom Transpac
       5462      275        666          26   Telewest Broadband
       8708      274        421         244   Romania Data Systems S.A.
        680      272       2046         258   DFN-IP service G-WiN
      
      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     1191       2449         221   UniNet S.A. de C.V. 
      11830      556        299           9   Instituto Costarricense de El
       7303      450        219          59   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
      11172      406        116          68   Servicios Alestra S.A de C.V 
       6471      398         85          40   ENTEL CHILE S.A. 
      10620      372         98          47   TVCABLE BOGOTA 
      14117      352         25          15   Telefonica del Sur S.A. 
      22047      322        270          14   VTR PUNTO NET S.A. 
      20299      313         35          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      451         60          27   LINKdotNET AS number
       3741      290        869         224   The Internet Solution 
       2018      250        276         119   Tertiary Education Network 
      20858      217         34           4   EgyNet
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      130          9          16   EEPAD TISP TELECOM & INTERNET
       5536      121          8          16   Internet Egypt Network
      33776       99          6           7   Starcomms Nigeria Limited
      24835       90         48           7   RAYA Telecom - Egypt
      29571       80         13           7   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
       4755     1549        381         127   Videsh Sanchar Nigam Ltd. Aut
       7018     1430       5945        1006   AT&T WorldNet Services
       4323     1394       1028         368   Time Warner Telecom
       2386     1387        638         844   AT&T Data Communications Serv
      11492     1215        146          23   Cable One 
       8151     1191       2449         221   UniNet S.A. de C.V. 
       9498     1159        550          66   BHARTI BT INTERNET LTD.
       9583     1148        109          26   Sify Limited
       7011     1063        309         607   Citizens Utilities 
      18566     1043        296          10   Covad Communications 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      11492      1215        1192      Cable One 
       9583      1148        1122      Sify Limited
       9498      1159        1093      BHARTI BT INTERNET LTD.
      18566      1043        1033      Covad Communications 
       4323      1394        1026      Time Warner Telecom
       8151      1191         970      UniNet S.A. de C.V. 
      17488      1024         945      Hathway IP Over Cable Interne
       1785       977         874      AppliedTheory Corporation 
      22773       888         825      Cox Communications, Inc.
       6478       932         821      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
      25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
      18506   UNALLOCATED   63.107.123.0/24      33286       Turlock Irrigation D
      16886   UNALLOCATED   63.109.3.0/24         1239       Sprint 
      16886   UNALLOCATED   63.167.139.0/24       1239       Sprint 
      33526   UNALLOCATED   64.128.26.0/24        4323       Time Warner Telecom
      65382   PRIVATE       72.158.126.0/24       6381       bellsouth.net, inc. 
      65383   PRIVATE       72.158.127.0/24       6381       bellsouth.net, inc. 
      65011   PRIVATE       74.43.150.0/24        7011       Citizens Utilities 
      65000   PRIVATE       92.62.240.0/20       24750       Cable Internet Syste
      64601   PRIVATE       118.232.77.0/24       9924       Taiwan Fixed Network
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.48.10.0/23        19548     Adelphia Business Solutions 
      24.48.12.0/22        19548     Adelphia Business Solutions 
      24.48.80.0/21        19548     Adelphia Business Solutions 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.75.192.0/18       19548     Adelphia Business Solutions 
      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 
      
      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      /11:39      /12:139     
      /13:278     /14:499     /15:991     /16:9782    /17:4273    /18:7233    
      /19:15183   /20:17442   /21:16612   /22:21095   /23:22203   /24:130826  
      /25:761     /26:979     /27:483     /28:111     /29:9       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1201          1215      Cable One 
       2386     1091          1387      AT&T Data Communications Serv
      18566     1024          1043      Covad Communications 
       9583      985          1148      Sify Limited
       7011      947          1063      Citizens Utilities 
       6478      931           932      AT&T Worldnet Services 
       4755      922          1549      Videsh Sanchar Nigam Ltd. Aut
      17488      839          1024      Hathway IP Over Cable Interne
       9498      821          1159      BHARTI BT INTERNET LTD.
      23577      806           815      Korea Telecom (ATM-MPLS)
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:100      11:1        12:1998     13:2        15:21     
        16:3        17:6        18:13       20:35       24:1043     25:1      
        32:61       33:4        38:401      40:95       41:630      44:2      
        46:5        47:8        52:3        55:3        56:3        57:22     
        58:514      59:420      60:418      61:984      62:1116     63:1970   
        64:3349     65:2362     66:3613     67:1042     68:646      69:2102   
        70:512      71:126      72:1494     73:6        74:879      75:236    
        76:272      77:600      78:526      79:99       80:881      81:843    
        82:610      83:365      84:541      85:951      86:391      87:633    
        88:306      89:1196     90:11       91:1098     92:226      93:135    
        96:18       97:15       98:95       99:2       116:561     117:274    
       118:83      119:237     121:462     122:712     123:294     124:804    
       125:1123    128:322     129:201     130:125     131:401     132:69     
       133:9       134:187     135:32      136:221     137:119     138:154    
       139:67      140:484     141:109     142:378     143:279     144:339    
       145:53      146:333     147:132     148:498     149:180     150:121    
       151:155     152:142     153:133     154:11      155:266     156:207    
       157:253     158:165     159:219     160:252     161:100     162:205    
       163:194     164:567     165:431     166:296     167:313     168:590    
       169:130     170:426     171:29      172:3       189:154     190:1465   
       192:5771    193:4106    194:3263    195:2356    196:1064    198:3778   
       199:3225    200:5502    201:1316    202:7584    203:7803    204:4013   
       205:2092    206:2422    207:2771    208:3207    209:3488    210:2533   
       211:1027    212:1309    213:1601    214:451     215:48      216:4210   
       217:1232    218:340     219:392     220:1068    221:402     222:311    
      
      
      End of report