[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, 10 May 2008 04:06:29 +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 10 May, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              255385
          Prefixes after maximum aggregation:                          127091
          Deaggregation factor:                                          2.01
          Unique aggregates announced to Internet:                     123930
      Total ASes present in the Internet Routing Table:                 28142
          Prefixes per ASN:                                              9.07
      Origin-only ASes present in the Internet Routing Table:           24541
      Origin ASes announcing only one prefix:                           11411
      Transit ASes present in the Internet Routing Table:                3601
      Transit-only ASes present in the Internet Routing Table:             76
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      18
          Max AS path prepend of ASN (44859)                               15
      Prefixes from unregistered ASNs in the Routing Table:             25412
          Unregistered ASNs in the Routing Table:                        1885
      Number of 32-bit ASNs allocated by the RIRs:                         46
      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:            789
      Number of addresses announced to Internet:                   1849281216
          Equivalent to 110 /8s, 57 /16s and 202 /24s
          Percentage of available address space announced:               49.9
          Percentage of allocated address space announced:               61.3
          Percentage of available address space allocated:               81.4
          Percentage of address space in use by end-sites:               71.7
      Total number of prefixes smaller than registry allocations:      122983
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    43145
          Total APNIC prefixes after maximum aggregation:               13462
          APNIC Deaggregation factor:                                    3.20
      Prefixes being announced from the APNIC address blocks:           55558
          Unique aggregates announced from the APNIC address blocks:    23715
      APNIC Region origin ASes present in the Internet Routing Table:    1932
          APNIC Prefixes per ASN:                                       28.76
      APNIC Region origin ASes announcing only one prefix:                544
      APNIC Region transit ASes present in the Internet Routing Table:    346
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              347251424
          Equivalent to 20 /8s, 178 /16s and 162 /24s
          Percentage of available APNIC address space announced:         79.6
      
      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:                    107798
          Total ARIN prefixes after maximum aggregation:                59250
          ARIN Deaggregation factor:                                     1.82
      Prefixes being announced from the ARIN address blocks:            86847
          Unique aggregates announced from the ARIN address blocks:     34386
      ARIN Region origin ASes present in the Internet Routing Table:    11802
          ARIN Prefixes per ASN:                                         7.36
      ARIN Region origin ASes announcing only one prefix:                4607
      ARIN Region transit ASes present in the Internet Routing Table:    1037
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               358258080
          Equivalent to 21 /8s, 90 /16s and 149 /24s
          Percentage of available ARIN address space announced:          73.6
      
      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:                     55300
          Total RIPE prefixes after maximum aggregation:                33687
          RIPE Deaggregation factor:                                     1.64
      Prefixes being announced from the RIPE address blocks:            50506
          Unique aggregates announced from the RIPE address blocks:     33769
      RIPE Region origin ASes present in the Internet Routing Table:    11311
          RIPE Prefixes per ASN:                                         4.47
      RIPE Region origin ASes announcing only one prefix:                5905
      RIPE Region transit ASes present in the Internet Routing Table:    1720
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               356375680
          Equivalent to 21 /8s, 61 /16s and 220 /24s
          Percentage of available RIPE address space announced:          81.7
      
      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, 47104 - 48127
      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:                   19926
          Total LACNIC prefixes after maximum aggregation:               4988
          LACNIC Deaggregation factor:                                   3.99
      Prefixes being announced from the LACNIC address blocks:          18385
          Unique aggregates announced from the LACNIC address blocks:    9882
      LACNIC Region origin ASes present in the Internet Routing Table:    898
          LACNIC Prefixes per ASN:                                      20.47
      LACNIC Region origin ASes announcing only one prefix:               278
      LACNIC Region transit ASes present in the Internet Routing Table:   153
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        17
      Number of LACNIC addresses announced to Internet:              51034112
          Equivalent to 3 /8s, 10 /16s and 184 /24s
          Percentage of available LACNIC address space announced:        50.7
      
      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:                   3803
          Total AfriNIC prefixes after maximum aggregation:              1177
          AfriNIC Deaggregation factor:                                  3.23
      Prefixes being announced from the AfriNIC address blocks:          4161
          Unique aggregates announced from the AfriNIC address blocks:   1849
      AfriNIC Region origin ASes present in the Internet Routing Table:   240
          AfriNIC Prefixes per ASN:                                     17.34
      AfriNIC Region origin ASes announcing only one prefix:               77
      AfriNIC Region transit ASes present in the Internet Routing Table:   49
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12183552
          Equivalent to 0 /8s, 185 /16s and 232 /24s
          Percentage of available AfriNIC address space announced:       36.3
      
      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     1633        387          91   Videsh Sanchar Nigam Ltd. Aut
       9583     1180        140          15   Sify Limited
       9498     1171        550          61   BHARTI BT INTERNET LTD.
      17488     1063         70          82   Hathway IP Over Cable Interne
       4134      853      12613         317   CHINANET-BACKBONE
       4766      848       6006         343   Korea Telecom (KIX)
      18101      678        149          53   Reliance Infocom Ltd Internet
       9829      598        450          12   BSNL National Internet Backbo
       1221      548       1919         421   Telstra Pty Ltd
       4808      520        837         132   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
       4323     1424       1014         378   Time Warner Telecom
       2386     1400        643         866   AT&T Data Communications Serv
       7018     1399       5976         995   AT&T WorldNet Services
      11492     1212        146          33   Cable One 
       7011     1095        319         624   Citizens Utilities 
      18566     1044        296          10   Covad Communications 
       6197     1028        630         543   BellSouth Network Solutions, 
       1785     1018        511         106   AppliedTheory Corporation 
        174      974       6836         803   Cogent Communications
      22773      950       2394          62   Cox Communications, Inc.
      
      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
       9198      428         74           9   Kazakhtelecom Data Network Ad
       3292      409       1788         369   TDC Tele Danmark
       8452      356        188           7   TEDATA
       3301      338       1458         306   TeliaNet Sweden
       3320      324       7044         267   Deutsche Telekom AG
       8866      298         78          24   Bulgarian Telecommunication C
       5462      292        666          26   Telewest Broadband
       8551      282        269          37   Bezeq International
       3215      278       2686          90   France Telecom Transpac
        680      272       2047         262   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     1201       2432         227   UniNet S.A. de C.V. 
      11830      600        299          14   Instituto Costarricense de El
      22047      566        270          14   VTR PUNTO NET S.A. 
       7303      456        223          62   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      416         85          46   ENTEL CHILE S.A. 
      11172      413        117          69   Servicios Alestra S.A de C.V 
      10620      390         99          69   TVCABLE BOGOTA 
      14117      375         23           9   Telefonica del Sur S.A. 
      20299      343         36          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      463         61          27   LINKdotNET AS number
       3741      289        853         223   The Internet Solution 
      20858      220         34           3   EgyNet
       5713      172        575         108   Telkom SA Ltd 
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      136        140          68   Tertiary Education Network 
      33783      134         10          12   EEPAD TISP TELECOM & INTERNET
       5536      121          8          16   Internet Egypt Network
      29571      116         13           8   Ci Telecom Autonomous system 
      33776       99          6           7   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     3098       3037         123   bellsouth.net, inc. 
      23577     1642         34         701   Korea Telecom (ATM-MPLS)
       4755     1633        387          91   Videsh Sanchar Nigam Ltd. Aut
       4323     1424       1014         378   Time Warner Telecom
       2386     1400        643         866   AT&T Data Communications Serv
       7018     1399       5976         995   AT&T WorldNet Services
      11492     1212        146          33   Cable One 
       8151     1201       2432         227   UniNet S.A. de C.V. 
       9583     1180        140          15   Sify Limited
       9498     1171        550          61   BHARTI BT INTERNET LTD.
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1633        1542      Videsh Sanchar Nigam Ltd. Aut
      11492      1212        1179      Cable One 
       9583      1180        1165      Sify Limited
       9498      1171        1110      BHARTI BT INTERNET LTD.
       4323      1424        1046      Time Warner Telecom
      18566      1044        1034      Covad Communications 
      17488      1063         981      Hathway IP Over Cable Interne
       8151      1201         974      UniNet S.A. de C.V. 
      17676      1016         951      Softbank BB Corp.
      23577      1642         941      Korea Telecom (ATM-MPLS)
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      14780   UNALLOCATED   4.79.181.0/24        10310       Yahoo! 
      12180   UNALLOCATED   4.79.248.0/24         1239       Sprint 
      12180   UNALLOCATED   8.10.16.0/24          3549       Global Crossing 
      12180   UNALLOCATED   8.10.58.0/23          3549       Global Crossing 
      14779   UNALLOCATED   8.12.144.0/24        10310       Yahoo! 
      16927   UNALLOCATED   12.0.252.0/23          701       UUNET Technologies, 
      22492   UNALLOCATED   12.2.46.0/24          1239       Sprint 
      15132   UNALLOCATED   12.9.150.0/24          701       UUNET Technologies, 
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.75.192.0/18        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
      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        /8:18       /9:9       /10:16      /11:40      /12:139     
      /13:280     /14:507     /15:1000    /16:9894    /17:4365    /18:7282    
      /19:15392   /20:17810   /21:17222   /22:21693   /23:22787   /24:134651  
      /25:773     /26:921     /27:486     /28:82      /29:9       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1198          1212      Cable One 
       2386     1100          1400      AT&T Data Communications Serv
      18566     1025          1044      Covad Communications 
       9583     1016          1180      Sify Limited
       4755      979          1633      Videsh Sanchar Nigam Ltd. Aut
       7011      978          1095      Citizens Utilities 
       6389      966          3098      bellsouth.net, inc. 
       6478      940           941      AT&T Worldnet Services 
      17488      876          1063      Hathway IP Over Cable Interne
       9498      846          1171      BHARTI BT INTERNET LTD.
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:108      12:2034     13:1        15:20       16:3      
        17:5        18:13       20:35       24:1069     25:1        32:61     
        33:3        38:420      40:94       41:661      44:2        47:9      
        52:3        55:3        56:3        57:22       58:517      59:459    
        60:441      61:980      62:1128     63:1959     64:3414     65:2435   
        66:3646     67:1183     68:664      69:2212     70:599      71:121    
        72:1681     73:6        74:957      75:227      76:306      77:650    
        78:610      79:151      80:904      81:865      82:628      83:386    
        84:561      85:1001     86:403      87:667      88:346      89:1300   
        90:11       91:1205     92:299      93:443      96:28       97:14     
        98:152      99:3       114:2       116:641     117:305     118:133    
       119:388     120:29      121:524     122:764     123:331     124:850    
       125:1125    128:323     129:197     130:129     131:404     132:67     
       133:9       134:180     135:31      136:222     137:112     138:144    
       139:66      140:491     141:96      142:397     143:280     144:349    
       145:50      146:360     147:152     148:502     149:183     150:131    
       151:181     152:141     153:133     154:10      155:260     156:173    
       157:267     158:165     159:222     160:254     161:111     162:213    
       163:197     164:520     165:447     166:305     167:319     168:606    
       169:131     170:426     171:28      172:2       189:196     190:1864   
       192:5765    193:4102    194:3258    195:2428    196:1065    198:3728   
       199:3238    200:5674    201:1454    202:7614    203:7808    204:3980   
       205:2080    206:2393    207:2743    208:3322    209:3431    210:2526   
       211:1048    212:1387    213:1654    214:454     215:50      216:4335   
       217:1225    218:349     219:407     220:1069    221:480     222:305    
      
      
      End of report