[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 Mar 2008 04:07:00 +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 Mar, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              248227
          Prefixes after maximum aggregation:                          125224
          Deaggregation factor:                                          1.98
          Unique aggregates announced to Internet:                     120307
      Total ASes present in the Internet Routing Table:                 27574
          Prefixes per ASN:                                              9.00
      Origin-only ASes present in the Internet Routing Table:           24019
      Origin ASes announcing only one prefix:                           11654
      Transit ASes present in the Internet Routing Table:                3555
      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:                                      19
          Max AS path prepend of ASN (43380)                               13
      Prefixes from unregistered ASNs in the Routing Table:                38
          Unregistered ASNs in the Routing Table:                          16
      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:            865
      Number of addresses announced to Internet:                   1857283104
          Equivalent to 110 /8s, 179 /16s and 228 /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:      117841
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    56724
          Total APNIC prefixes after maximum aggregation:               20940
          APNIC Deaggregation factor:                                    2.71
      Prefixes being announced from the APNIC address blocks:           54145
          Unique aggregates announced from the APNIC address blocks:    23140
      APNIC Region origin ASes present in the Internet Routing Table:    3158
          APNIC Prefixes per ASN:                                       17.15
      APNIC Region origin ASes announcing only one prefix:                838
      APNIC Region transit ASes present in the Internet Routing Table:    489
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              334801056
          Equivalent to 19 /8s, 244 /16s and 168 /24s
          Percentage of available APNIC address space announced:         76.8
      
      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, 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:                    116118
          Total ARIN prefixes after maximum aggregation:                65373
          ARIN Deaggregation factor:                                     1.78
      Prefixes being announced from the ARIN address blocks:            84829
          Unique aggregates announced from the ARIN address blocks:     33461
      ARIN Region origin ASes present in the Internet Routing Table:    12188
          ARIN Prefixes per ASN:                                         6.96
      ARIN Region origin ASes announcing only one prefix:                4686
      ARIN Region transit ASes present in the Internet Routing Table:    1152
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               356743808
          Equivalent to 21 /8s, 67 /16s and 122 /24s
          Percentage of available ARIN address space announced:          73.3
      
      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
      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:                     52904
          Total RIPE prefixes after maximum aggregation:                33036
          RIPE Deaggregation factor:                                     1.60
      Prefixes being announced from the RIPE address blocks:            48005
          Unique aggregates announced from the RIPE address blocks:     32257
      RIPE Region origin ASes present in the Internet Routing Table:    11009
          RIPE Prefixes per ASN:                                         4.36
      RIPE Region origin ASes announcing only one prefix:                5750
      RIPE Region transit ASes present in the Internet Routing Table:    1683
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               346944256
          Equivalent to 20 /8s, 173 /16s and 243 /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:                   18849
          Total LACNIC prefixes after maximum aggregation:               4739
          LACNIC Deaggregation factor:                                   3.98
      Prefixes being announced from the LACNIC address blocks:          17203
          Unique aggregates announced from the LACNIC address blocks:    9412
      LACNIC Region origin ASes present in the Internet Routing Table:    907
          LACNIC Prefixes per ASN:                                      18.97
      LACNIC Region origin ASes announcing only one prefix:               301
      LACNIC Region transit ASes present in the Internet Routing Table:   156
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              48970496
          Equivalent to 2 /8s, 235 /16s and 59 /24s
          Percentage of available LACNIC address space announced:        48.6
      
      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:                   3591
          Total AfriNIC prefixes after maximum aggregation:              1120
          AfriNIC Deaggregation factor:                                  3.21
      Prefixes being announced from the AfriNIC address blocks:          4027
          Unique aggregates announced from the AfriNIC address blocks:   1801
      AfriNIC Region origin ASes present in the Internet Routing Table:   233
          AfriNIC Prefixes per ASN:                                     17.28
      AfriNIC Region origin ASes announcing only one prefix:               79
      AfriNIC Region transit ASes present in the Internet Routing Table:   43
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             10017280
          Equivalent to 0 /8s, 152 /16s and 218 /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     1539        381         125   Videsh Sanchar Nigam Ltd. Aut
       9498     1155        550          66   BHARTI BT INTERNET LTD.
       9583     1149        109          25   Sify Limited
      17488     1007         65          90   Hathway IP Over Cable Interne
       4134      853      12379         314   CHINANET-BACKBONE
       4766      847       6005         340   Korea Telecom (KIX)
      23577      813         34         697   Korea Telecom (ATM-MPLS)
      18101      681        127          60   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     1425       5928         999   AT&T WorldNet Services
       4323     1385       1012         366   Time Warner Telecom
       2386     1377        638         839   AT&T Data Communications Serv
      11492     1218        144          26   Cable One 
       7011     1063        309         609   Citizens Utilities 
      18566     1043        296          10   Covad Communications 
       6197      996        729         476   BellSouth Network Solutions, 
       1785      975        479         107   AppliedTheory Corporation 
        174      968       6835         817   Cogent Communications
       6478      930        237         109   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      392        188           7   TEDATA
       3301      338       1443         307   TeliaNet Sweden
       3320      323       7045         268   Deutsche Telekom AG
       8866      292         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     1191       2449         221   UniNet S.A. de C.V. 
      11830      556        299           9   Instituto Costarricense de El
       7303      449        218          59   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      398         85          40   ENTEL CHILE S.A. 
      11172      398        115          66   Servicios Alestra S.A de C.V 
      10620      369         97          51   TVCABLE BOGOTA 
      14117      352         25          15   Telefonica del Sur S.A. 
      10481      325        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      448         60          27   LINKdotNET AS number
       3741      288        869         224   The Internet Solution 
       2018      252        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     1539        381         125   Videsh Sanchar Nigam Ltd. Aut
       7018     1425       5928         999   AT&T WorldNet Services
       4323     1385       1012         366   Time Warner Telecom
       2386     1377        638         839   AT&T Data Communications Serv
      11492     1218        144          26   Cable One 
       8151     1191       2449         221   UniNet S.A. de C.V. 
       9498     1155        550          66   BHARTI BT INTERNET LTD.
       9583     1149        109          25   Sify Limited
       7011     1063        309         609   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      1218        1192      Cable One 
       9583      1149        1124      Sify Limited
       9498      1155        1089      BHARTI BT INTERNET LTD.
      18566      1043        1033      Covad Communications 
       4323      1385        1019      Time Warner Telecom
       8151      1191         970      UniNet S.A. de C.V. 
      17488      1007         917      Hathway IP Over Cable Interne
       1785       975         868      AppliedTheory Corporation 
       6478       930         821      AT&T Worldnet Services 
      22773       886         821      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
      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
      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
      64601   PRIVATE       118.232.224.0/21      9924       Taiwan Fixed Network
      64601   PRIVATE       118.232.224.0/20      9924       Taiwan Fixed Network
      64601   PRIVATE       118.232.232.0/21      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        /8:20       /9:9       /10:16      /11:40      /12:139     
      /13:278     /14:496     /15:989     /16:9764    /17:4239    /18:7165    
      /19:15172   /20:17402   /21:16580   /22:20967   /23:22098   /24:130127  
      /25:899     /26:1121    /27:578     /28:110     /29:9       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1205          1218      Cable One 
       2386     1084          1377      AT&T Data Communications Serv
      18566     1024          1043      Covad Communications 
       9583      986          1149      Sify Limited
       7011      946          1063      Citizens Utilities 
       6478      929           930      AT&T Worldnet Services 
       4755      915          1539      Videsh Sanchar Nigam Ltd. Aut
      17488      822          1007      Hathway IP Over Cable Interne
       9498      817          1155      BHARTI BT INTERNET LTD.
      23577      804           813      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        12:1992     13:2        15:21     
        16:3        17:6        18:13       20:35       24:1044     25:1      
        32:61       33:4        38:399      40:65       41:617      44:2      
        47:8        52:3        55:3        56:3        57:22       58:512    
        59:420      60:416      61:981      62:1122     63:1963     64:3338   
        65:2363     66:3614     67:1023     68:637      69:2096     70:506    
        71:124      72:1487     73:6        74:868      75:234      76:265    
        77:583      78:510      79:92       80:879      81:814      82:604    
        83:356      84:541      85:1011     86:391      87:635      88:290    
        89:1179     90:11       91:1079     92:157      93:135      96:16     
        97:14       98:88       99:3       116:551     117:270     118:81     
       119:165     121:443     122:713     123:306     124:816     125:1117   
       128:322     129:200     130:132     131:399     132:67      133:9      
       134:188     135:32      136:223     137:118     138:154     139:64     
       140:485     141:108     142:379     143:270     144:343     145:53     
       146:334     147:131     148:496     149:177     150:117     151:155    
       152:144     153:131     154:11      155:266     156:207     157:252    
       158:164     159:218     160:246     161:101     162:201     163:192    
       164:565     165:429     166:295     167:311     168:590     169:130    
       170:426     171:29      172:3       189:156     190:1369    192:5757   
       193:4109    194:3259    195:2360    196:1083    198:3780    199:3201   
       200:5468    201:1307    202:7595    203:7729    204:3980    205:2089   
       206:2420    207:2752    208:3213    209:3506    210:2529    211:1030   
       212:1314    213:1610    214:438     215:48      216:4180    217:1225   
       218:339     219:390     220:1075    221:400     222:310    
      
      End of report