[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, 12 Apr 2008 04:07:27 +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 12 Apr, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              252904
          Prefixes after maximum aggregation:                          126821
          Deaggregation factor:                                          1.99
          Unique aggregates announced to Internet:                     121965
      Total ASes present in the Internet Routing Table:                 27875
          Prefixes per ASN:                                              9.07
      Origin-only ASes present in the Internet Routing Table:           24291
      Origin ASes announcing only one prefix:                           11291
      Transit ASes present in the Internet Routing Table:                3584
      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:                                      19
          Max AS path prepend of ASN (43380)                               13
      Prefixes from unregistered ASNs in the Routing Table:             25207
          Unregistered ASNs in the Routing Table:                        1888
      Number of 32-bit ASNs allocated by the RIRs:                         45
      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:            836
      Number of addresses announced to Internet:                   1862827616
          Equivalent to 111 /8s, 8 /16s and 126 /24s
          Percentage of available address space announced:               50.3
          Percentage of allocated address space announced:               61.7
          Percentage of available address space allocated:               81.4
          Percentage of address space in use by end-sites:               71.2
      Total number of prefixes smaller than registry allocations:      120992
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    42772
          Total APNIC prefixes after maximum aggregation:               13613
          APNIC Deaggregation factor:                                    3.14
      Prefixes being announced from the APNIC address blocks:           55035
          Unique aggregates announced from the APNIC address blocks:    23927
      APNIC Region origin ASes present in the Internet Routing Table:    1919
          APNIC Prefixes per ASN:                                       28.68
      APNIC Region origin ASes announcing only one prefix:                555
      APNIC Region transit ASes present in the Internet Routing Table:    349
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              342856544
          Equivalent to 20 /8s, 111 /16s and 147 /24s
          Percentage of available APNIC address space announced:         78.6
      
      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:                    107454
          Total ARIN prefixes after maximum aggregation:                59183
          ARIN Deaggregation factor:                                     1.82
      Prefixes being announced from the ARIN address blocks:            86373
          Unique aggregates announced from the ARIN address blocks:     34178
      ARIN Region origin ASes present in the Internet Routing Table:    11700
          ARIN Prefixes per ASN:                                         7.38
      ARIN Region origin ASes announcing only one prefix:                4553
      ARIN Region transit ASes present in the Internet Routing Table:    1044
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               362456384
          Equivalent to 21 /8s, 154 /16s and 165 /24s
          Percentage of available ARIN address space announced:          74.5
      
      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:                     54199
          Total RIPE prefixes after maximum aggregation:                33333
          RIPE Deaggregation factor:                                     1.63
      Prefixes being announced from the RIPE address blocks:            49410
          Unique aggregates announced from the RIPE address blocks:     32107
      RIPE Region origin ASes present in the Internet Routing Table:    11166
          RIPE Prefixes per ASN:                                         4.43
      RIPE Region origin ASes announcing only one prefix:                5830
      RIPE Region transit ASes present in the Internet Routing Table:    1707
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               354345856
          Equivalent to 21 /8s, 30 /16s and 227 /24s
          Percentage of available RIPE address space announced:          81.2
      
      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:                   19596
          Total LACNIC prefixes after maximum aggregation:               4892
          LACNIC Deaggregation factor:                                   4.01
      Prefixes being announced from the LACNIC address blocks:          17971
          Unique aggregates announced from the LACNIC address blocks:    9697
      LACNIC Region origin ASes present in the Internet Routing Table:    889
          LACNIC Prefixes per ASN:                                      20.21
      LACNIC Region origin ASes announcing only one prefix:               276
      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:              50467072
          Equivalent to 3 /8s, 2 /16s and 17 /24s
          Percentage of available LACNIC address space announced:        50.1
      
      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:                   3675
          Total AfriNIC prefixes after maximum aggregation:              1129
          AfriNIC Deaggregation factor:                                  3.26
      Prefixes being announced from the AfriNIC address blocks:          4027
          Unique aggregates announced from the AfriNIC address blocks:   1683
      AfriNIC Region origin ASes present in the Internet Routing Table:   234
          AfriNIC Prefixes per ASN:                                     17.21
      AfriNIC Region origin ASes announcing only one prefix:               77
      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:             10229760
          Equivalent to 0 /8s, 156 /16s and 24 /24s
          Percentage of available AfriNIC address space announced:       30.5
      
      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     1627        387          89   Videsh Sanchar Nigam Ltd. Aut
       9498     1162        550          60   BHARTI BT INTERNET LTD.
       9583     1157         99         211   Sify Limited
      17488     1008         68          78   Hathway IP Over Cable Interne
       4134      858      12659         319   CHINANET-BACKBONE
       4766      853       6006         343   Korea Telecom (KIX)
      18101      673        127          52   Reliance Infocom Ltd Internet
       4812      613        962          92   China Telecom (Shanghai)
       9829      598        450          12   BSNL National Internet Backbo
       1221      546       1934         419   Telstra Pty Ltd
      
      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     1443       5934        1022   AT&T WorldNet Services
       4323     1428       1029         376   Time Warner Telecom
       2386     1380        642         855   AT&T Data Communications Serv
      11492     1211        145          55   Cable One 
       7011     1088        317         619   Citizens Utilities 
      18566     1042        296          10   Covad Communications 
       1785     1005        479         107   AppliedTheory Corporation 
       6197      983        597         507   BellSouth Network Solutions, 
        174      969       6835         809   Cogent Communications
      20115      923        876         512   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      402       1787         366   TDC Tele Danmark
       3301      338       1459         307   TeliaNet Sweden
       8452      329        188           7   TEDATA
       3320      326       7045         270   Deutsche Telekom AG
       5462      292        666          26   Telewest Broadband
       8866      292         78          24   Bulgarian Telecommunication C
       8551      281        269          37   Bezeq International
       3215      279       2679          89   France Telecom Transpac
       6746      267        127         244   Dynamic Network Technologies,
       8708      261        421         248   Romania Data Systems S.A.
      
      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     1190       2448         220   UniNet S.A. de C.V. 
      22047      557        270          14   VTR PUNTO NET S.A. 
      11830      555        299           9   Instituto Costarricense de El
       7303      450        220          59   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
      11172      411        117          70   Servicios Alestra S.A de C.V 
       6471      402         85          39   ENTEL CHILE S.A. 
      10620      399        104          51   TVCABLE BOGOTA 
      14117      383         25          15   Telefonica del Sur S.A. 
      10481      310        152          10   Prima 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      463         61          27   LINKdotNET AS number
       3741      287        853         223   The Internet Solution 
      20858      216         34           3   EgyNet
       2018      207        256         109   Tertiary Education Network 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      134          9          12   EEPAD TISP TELECOM & INTERNET
       5536      121          8          16   Internet Egypt Network
      29571      118         13           8   Ci Telecom Autonomous system 
      33776       99          6           7   Starcomms Nigeria Limited
      24835       89         48           7   RAYA Telecom - Egypt
      
      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     2476       3019         102   bellsouth.net, inc. 
      23577     1634         34         699   Korea Telecom (ATM-MPLS)
       4755     1627        387          89   Videsh Sanchar Nigam Ltd. Aut
       7018     1443       5934        1022   AT&T WorldNet Services
       4323     1428       1029         376   Time Warner Telecom
       2386     1380        642         855   AT&T Data Communications Serv
      11492     1211        145          55   Cable One 
       8151     1190       2448         220   UniNet S.A. de C.V. 
       9498     1162        550          60   BHARTI BT INTERNET LTD.
       9583     1157         99         211   Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1627        1538      Videsh Sanchar Nigam Ltd. Aut
      11492      1211        1156      Cable One 
       9498      1162        1102      BHARTI BT INTERNET LTD.
       4323      1428        1052      Time Warner Telecom
      18566      1042        1032      Covad Communications 
       8151      1190         970      UniNet S.A. de C.V. 
      17676      1016         951      Softbank BB Corp.
       9583      1157         946      Sify Limited
      23577      1634         935      Korea Telecom (ATM-MPLS)
      17488      1008         930      Hathway IP Over Cable Interne
      
      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         7018       AT&T WorldNet Servic
      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        /8:20       /9:9       /10:16      /11:42      /12:138     
      /13:280     /14:504     /15:1004    /16:9833    /17:4354    /18:7305    
      /19:15325   /20:17696   /21:16964   /22:21534   /23:22504   /24:133061  
      /25:793     /26:910     /27:487     /28:107     /29:9       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1197          1211      Cable One 
       2386     1082          1380      AT&T Data Communications Serv
      18566     1023          1042      Covad Communications 
       9583      995          1157      Sify Limited
       7011      970          1088      Citizens Utilities 
       4755      965          1627      Videsh Sanchar Nigam Ltd. Aut
       6478      905           906      AT&T Worldnet Services 
       9498      834          1162      BHARTI BT INTERNET LTD.
      17488      820          1008      Hathway IP Over Cable Interne
       7018      815          1443      AT&T WorldNet Services
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:106      12:1994     13:1        15:20       16:3      
        17:6        18:13       20:35       24:1055     25:1        32:60     
        33:4        38:411      40:94       41:633      44:2        47:8      
        52:3        55:3        56:3        57:22       58:513      59:451    
        60:405      61:982      62:1085     63:1956     64:3386     65:2371   
        66:3648     67:1132     68:679      69:2147     70:606      71:125    
        72:1659     73:6        74:933      75:225      76:286      77:629    
        78:568      79:142      80:902      81:820      82:601      83:368    
        84:564      85:986      86:398      87:650      88:320      89:1240   
        90:11       91:1167     92:247      93:275      96:23       97:16     
        98:132      99:3       116:597     117:282     118:113     119:383    
       120:7       121:489     122:745     123:314     124:840     125:1101   
       128:318     129:200     130:125     131:397     132:65      133:9      
       134:180     135:32      136:220     137:113     138:147     139:65     
       140:485     141:109     142:427     143:279     144:345     145:50     
       146:344     147:134     148:499     149:180     150:128     151:175    
       152:142     153:127     154:11      155:266     156:207     157:263    
       158:169     159:224     160:252     161:111     162:210     163:194    
       164:576     165:436     166:298     167:315     168:612     169:131    
       170:427     171:28      172:2       189:172     190:1740    192:5789   
       193:4108    194:3277    195:2390    196:1040    198:3781    199:3236   
       200:5579    201:1384    202:7576    203:7838    204:4009    205:2100   
       206:2390    207:2741    208:3255    209:3504    210:2540    211:1041   
       212:1343    213:1652    214:457     215:48      216:4278    217:1208   
       218:361     219:408     220:1067    221:397     222:311    
      
      End of report