[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, 1 Mar 2008 04:07:12 +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 01 Mar, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              247820
          Prefixes after maximum aggregation:                          125222
          Deaggregation factor:                                          1.98
          Unique aggregates announced to Internet:                     119811
      Total ASes present in the Internet Routing Table:                 27500
          Prefixes per ASN:                                              9.01
      Origin-only ASes present in the Internet Routing Table:           23968
      Origin ASes announcing only one prefix:                           11633
      Transit ASes present in the Internet Routing Table:                3532
      Transit-only ASes present in the Internet Routing Table:             73
      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:                40
          Unregistered ASNs in the Routing Table:                          13
      Number of 32-bit ASNs allocated by the RIRs:                         45
      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:            880
      Number of addresses announced to Internet:                   1856621888
          Equivalent to 110 /8s, 169 /16s and 205 /24s
          Percentage of available address space announced:               50.1
          Percentage of allocated address space announced:               61.5
          Percentage of available address space allocated:               81.4
          Percentage of address space in use by end-sites:               70.7
      Total number of prefixes smaller than registry allocations:      117515
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    56616
          Total APNIC prefixes after maximum aggregation:               20833
          APNIC Deaggregation factor:                                    2.72
      Prefixes being announced from the APNIC address blocks:           54100
          Unique aggregates announced from the APNIC address blocks:    22940
      APNIC Region origin ASes present in the Internet Routing Table:    3136
          APNIC Prefixes per ASN:                                       17.25
      APNIC Region origin ASes announcing only one prefix:                829
      APNIC Region transit ASes present in the Internet Routing Table:    484
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              334493120
          Equivalent to 19 /8s, 239 /16s and 245 /24s
          Percentage of available APNIC address space announced:         76.7
      
      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, 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:                    116201
          Total ARIN prefixes after maximum aggregation:                65550
          ARIN Deaggregation factor:                                     1.77
      Prefixes being announced from the ARIN address blocks:            84871
          Unique aggregates announced from the ARIN address blocks:     33344
      ARIN Region origin ASes present in the Internet Routing Table:    12180
          ARIN Prefixes per ASN:                                         6.97
      ARIN Region origin ASes announcing only one prefix:                4702
      ARIN Region transit ASes present in the Internet Routing Table:    1145
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               356351360
          Equivalent to 21 /8s, 61 /16s and 125 /24s
          Percentage of available ARIN address space announced:          73.2
      
      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:                     52569
          Total RIPE prefixes after maximum aggregation:                32936
          RIPE Deaggregation factor:                                     1.60
      Prefixes being announced from the RIPE address blocks:            47679
          Unique aggregates announced from the RIPE address blocks:     32111
      RIPE Region origin ASes present in the Internet Routing Table:    10970
          RIPE Prefixes per ASN:                                         4.35
      RIPE Region origin ASes announcing only one prefix:                5727
      RIPE Region transit ASes present in the Internet Routing Table:    1673
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               346859264
          Equivalent to 20 /8s, 172 /16s and 167 /24s
          Percentage of available RIPE address space announced:          79.5
      
      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:                   18826
          Total LACNIC prefixes after maximum aggregation:               4763
          LACNIC Deaggregation factor:                                   3.95
      Prefixes being announced from the LACNIC address blocks:          17209
          Unique aggregates announced from the LACNIC address blocks:    9367
      LACNIC Region origin ASes present in the Internet Routing Table:    910
          LACNIC Prefixes per ASN:                                      18.91
      LACNIC Region origin ASes announcing only one prefix:               300
      LACNIC Region transit ASes present in the Internet Routing Table:   155
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              48766464
          Equivalent to 2 /8s, 232 /16s and 30 /24s
          Percentage of available LACNIC address space announced:        48.4
      
      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:                   3565
          Total AfriNIC prefixes after maximum aggregation:              1124
          AfriNIC Deaggregation factor:                                  3.17
      Prefixes being announced from the AfriNIC address blocks:          4000
          Unique aggregates announced from the AfriNIC address blocks:   1807
      AfriNIC Region origin ASes present in the Internet Routing Table:   230
          AfriNIC Prefixes per ASN:                                     17.39
      AfriNIC Region origin ASes announcing only one prefix:               75
      AfriNIC Region transit ASes present in the Internet Routing Table:   44
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             10019328
          Equivalent to 0 /8s, 152 /16s and 226 /24s
          Percentage of available AfriNIC address space announced:       29.9
      
      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     1586        386          81   Videsh Sanchar Nigam Ltd. Aut
       9583     1152        109          24   Sify Limited
       9498     1145        550          63   BHARTI BT INTERNET LTD.
      17488      992         64          89   Hathway IP Over Cable Interne
       4134      853      12363         314   CHINANET-BACKBONE
       4766      843       6005         338   Korea Telecom (KIX)
      23577      812         34         696   Korea Telecom (ATM-MPLS)
      18101      709        127          62   Reliance Infocom Ltd Internet
       9829      595        449          11   BSNL National Internet Backbo
       4812      558        949          89   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     1421       5990         985   AT&T WorldNet Services
       4323     1381       1011         366   Time Warner Telecom
       2386     1379        638         839   AT&T Data Communications Serv
      11492     1211        144          26   Cable One 
       7011     1059        308         611   Citizens Utilities 
      18566     1042        296          10   Covad Communications 
       6197      995        729         475   BellSouth Network Solutions, 
        174      987       6835         816   Cogent Communications
       6478      929        237         113   AT&T Worldnet Services 
      20115      890        810         486   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      398       1778         363   TDC Tele Danmark
       8452      395        188           7   TEDATA
       3301      336       1443         306   TeliaNet Sweden
       3320      325       7045         269   Deutsche Telekom AG
       8866      291         78          24   Bulgarian Telecommunication C
       8551      279        267          42   Bezeq International
        680      276       2046         256   DFN-IP service G-WiN
       5462      275        666          26   Telewest Broadband
       8708      275        421         245   Romania Data Systems S.A.
       3215      271       2607          94   France Telecom Transpac
      
      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     1171       2437         220   UniNet S.A. de C.V. 
      11830      555        299           9   Instituto Costarricense de El
       7303      446        216          57   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
      11172      400        115          66   Servicios Alestra S.A de C.V 
       6471      399         85          40   ENTEL CHILE S.A. 
      10620      366         96          49   TVCABLE BOGOTA 
      14117      352         25          15   Telefonica del Sur S.A. 
      10481      330        124          10   Prima S.A. 
      22047      323        270          14   VTR PUNTO NET 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      444         60          27   LINKdotNET AS number
       3741      288        869         224   The Internet Solution 
       2018      246        276         111   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     1586        386          81   Videsh Sanchar Nigam Ltd. Aut
       7018     1421       5990         985   AT&T WorldNet Services
       4323     1381       1011         366   Time Warner Telecom
       2386     1379        638         839   AT&T Data Communications Serv
      11492     1211        144          26   Cable One 
       8151     1171       2437         220   UniNet S.A. de C.V. 
       9583     1152        109          24   Sify Limited
       9498     1145        550          63   BHARTI BT INTERNET LTD.
       7011     1059        308         611   Citizens Utilities 
      18566     1042        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      1211        1185      Cable One 
       9583      1152        1128      Sify Limited
       9498      1145        1082      BHARTI BT INTERNET LTD.
      18566      1042        1032      Covad Communications 
       4323      1381        1015      Time Warner Telecom
       8151      1171         951      UniNet S.A. de C.V. 
      17488       992         903      Hathway IP Over Cable Interne
      22773       882         817      Cox Communications, Inc.
       6478       929         816      AT&T Worldnet Services 
       6389       886         802      bellsouth.net, inc. 
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      18506   UNALLOCATED   63.107.123.0/24        701       UUNET Technologies, 
      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
      65000   PRIVATE       78.108.160.0/24      39010       TerraNet sal
      65000   PRIVATE       78.108.163.0/24      39010       TerraNet sal
      65000   PRIVATE       78.108.164.0/24      39010       TerraNet sal
      65000   PRIVATE       92.62.240.0/20       24750       Cable Internet Syste
      64601   PRIVATE       118.232.77.0/24       9924       Taiwan Fixed Network
      64601   PRIVATE       118.232.78.0/24       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 
      24.142.40.0/21        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 
      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        /8:20       /9:9       /10:16      /11:39      /12:138     
      /13:276     /14:496     /15:988     /16:9764    /17:4262    /18:7157    
      /19:15189   /20:17339   /21:16533   /22:20938   /23:22066   /24:129885  
      /25:892     /26:1119    /27:568     /28:108     /29:9       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1198          1211      Cable One 
       2386     1085          1379      AT&T Data Communications Serv
      18566     1023          1042      Covad Communications 
       9583      988          1152      Sify Limited
       7011      942          1059      Citizens Utilities 
       4755      937          1586      Videsh Sanchar Nigam Ltd. Aut
       6478      928           929      AT&T Worldnet Services 
       9498      809          1145      BHARTI BT INTERNET LTD.
      17488      807           992      Hathway IP Over Cable Interne
      23577      803           812      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         8:101      12:1989     13:2        15:21       16:3      
        17:6        18:13       20:35       24:1032     25:1        31:1      
        32:61       33:4        38:396      40:65       41:613      44:2      
        47:8        52:3        55:3        56:3        57:22       58:521    
        59:427      60:407      61:984      62:1088     63:1958     64:3366   
        65:2378     66:3661     67:1146     68:632      69:2121     70:487    
        71:123      72:1483     73:6        74:852      75:236      76:257    
        77:565      78:503      79:86       80:886      81:815      82:596    
        83:354      84:532      85:987      86:388      87:625      88:299    
        89:1175     90:12       91:1052     92:138      93:95       95:2      
        96:16       97:14       98:86       99:3       114:1       115:1      
       116:530     117:272     118:77      119:160     121:402     122:712    
       123:294     124:812     125:1102    128:321     129:199     130:132    
       131:400     132:67      133:9       134:188     135:37      136:221    
       137:118     138:153     139:63      140:486     141:108     142:377    
       143:271     144:338     145:53      146:336     147:131     148:481    
       149:178     150:124     151:149     152:92      153:131     154:11     
       155:267     156:202     157:250     158:164     159:218     160:249    
       161:101     162:204     163:195     164:561     165:426     166:295    
       167:308     168:588     169:133     170:425     171:28      172:3      
       189:159     190:1406    192:5762    193:4104    194:3260    195:2334   
       196:1081    198:3790    199:3197    200:5467    201:1297    202:7566   
       203:7792    204:3967    205:2080    206:2402    207:2728    208:3174   
       209:3561    210:2539    211:1031    212:1293    213:1582    214:446    
       215:48      216:4161    217:1202    218:338     219:399     220:1098   
       221:403     222:309    
      
      End of report