[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, 3 May 2008 04:06:35 +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 03 May, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              254787
          Prefixes after maximum aggregation:                          127004
          Deaggregation factor:                                          2.01
          Unique aggregates announced to Internet:                     123511
      Total ASes present in the Internet Routing Table:                 28069
          Prefixes per ASN:                                              9.08
      Origin-only ASes present in the Internet Routing Table:           24458
      Origin ASes announcing only one prefix:                           11398
      Transit ASes present in the Internet Routing Table:                3611
      Transit-only ASes present in the Internet Routing Table:             82
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      19
          Max AS path prepend of ASN (44859)                               15
      Prefixes from unregistered ASNs in the Routing Table:             25380
          Unregistered ASNs in the Routing Table:                        1890
      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:            790
      Number of addresses announced to Internet:                   1865259040
          Equivalent to 111 /8s, 45 /16s and 152 /24s
          Percentage of available address space announced:               50.3
          Percentage of allocated address space announced:               61.8
          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:      122514
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    43073
          Total APNIC prefixes after maximum aggregation:               13461
          APNIC Deaggregation factor:                                    3.20
      Prefixes being announced from the APNIC address blocks:           55456
          Unique aggregates announced from the APNIC address blocks:    23561
      APNIC Region origin ASes present in the Internet Routing Table:    1934
          APNIC Prefixes per ASN:                                       28.67
      APNIC Region origin ASes announcing only one prefix:                553
      APNIC Region transit ASes present in the Internet Routing Table:    350
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              346760800
          Equivalent to 20 /8s, 171 /16s and 38 /24s
          Percentage of available APNIC address space announced:         79.5
      
      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:                    107789
          Total ARIN prefixes after maximum aggregation:                59234
          ARIN Deaggregation factor:                                     1.82
      Prefixes being announced from the ARIN address blocks:            86721
          Unique aggregates announced from the ARIN address blocks:     34340
      ARIN Region origin ASes present in the Internet Routing Table:    11784
          ARIN Prefixes per ASN:                                         7.36
      ARIN Region origin ASes announcing only one prefix:                4611
      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:               358349568
          Equivalent to 21 /8s, 91 /16s and 251 /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, 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:                     54894
          Total RIPE prefixes after maximum aggregation:                33555
          RIPE Deaggregation factor:                                     1.64
      Prefixes being announced from the RIPE address blocks:            50101
          Unique aggregates announced from the RIPE address blocks:     33548
      RIPE Region origin ASes present in the Internet Routing Table:    11253
          RIPE Prefixes per ASN:                                         4.45
      RIPE Region origin ASes announcing only one prefix:                5880
      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:               355464448
          Equivalent to 21 /8s, 47 /16s and 245 /24s
          Percentage of available RIPE address space announced:          81.5
      
      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, 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:                   19830
          Total LACNIC prefixes after maximum aggregation:               4971
          LACNIC Deaggregation factor:                                   3.99
      Prefixes being announced from the LACNIC address blocks:          18261
          Unique aggregates announced from the LACNIC address blocks:    9839
      LACNIC Region origin ASes present in the Internet Routing Table:    893
          LACNIC Prefixes per ASN:                                      20.45
      LACNIC Region origin ASes announcing only one prefix:               277
      LACNIC Region transit ASes present in the Internet Routing Table:   154
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              50827264
          Equivalent to 3 /8s, 7 /16s and 144 /24s
          Percentage of available LACNIC address space announced:        50.5
      
      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:                   3820
          Total AfriNIC prefixes after maximum aggregation:              1216
          AfriNIC Deaggregation factor:                                  3.14
      Prefixes being announced from the AfriNIC address blocks:          4152
          Unique aggregates announced from the AfriNIC address blocks:   1842
      AfriNIC Region origin ASes present in the Internet Routing Table:   241
          AfriNIC Prefixes per ASN:                                     17.23
      AfriNIC Region origin ASes announcing only one prefix:               77
      AfriNIC Region transit ASes present in the Internet Routing Table:   48
      Average AfriNIC Region AS path length visible:                      4.0
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             11770624
          Equivalent to 0 /8s, 179 /16s and 155 /24s
          Percentage of available AfriNIC address space announced:       35.1
      
      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     1640        387          90   Videsh Sanchar Nigam Ltd. Aut
       9583     1174        140          16   Sify Limited
       9498     1165        550          61   BHARTI BT INTERNET LTD.
      17488     1060         70          75   Hathway IP Over Cable Interne
       4134      855      12615         319   CHINANET-BACKBONE
       4766      850       6006         345   Korea Telecom (KIX)
      18101      680        149          54   Reliance Infocom Ltd Internet
       9829      598        450          12   BSNL National Internet Backbo
       1221      544       1918         418   Telstra Pty Ltd
       4808      515        829         129   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     1425       1014         376   Time Warner Telecom
       7018     1403       5977        1000   AT&T WorldNet Services
       2386     1396        642         862   AT&T Data Communications Serv
      11492     1211        146          36   Cable One 
       7011     1098        319         626   Citizens Utilities 
      18566     1043        296          10   Covad Communications 
       1785     1014        511         106   AppliedTheory Corporation 
       6197      987        598         508   BellSouth Network Solutions, 
        174      971       6835         802   Cogent Communications
      22773      948       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
       3292      407       1788         367   TDC Tele Danmark
       9198      401         74           9   Kazakhtelecom Data Network Ad
       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      277       2678          89   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         223   UniNet S.A. de C.V. 
      11830      601        299           9   Instituto Costarricense de El
      22047      564        270          14   VTR PUNTO NET S.A. 
       7303      455        222          60   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      416         85          46   ENTEL CHILE S.A. 
      11172      415        117          69   Servicios Alestra S.A de C.V 
      10620      388         99          76   TVCABLE BOGOTA 
      14117      384         25          15   Telefonica del Sur S.A. 
      20299      341         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      464         61          27   LINKdotNET AS number
       3741      289        853         223   The Internet Solution 
      20858      218         34           3   EgyNet
       2018      179        190          86   Tertiary Education Network 
       5713      150        558         120   Telkom SA Ltd 
       6713      143        135          11   Itissalat Al-MAGHRIB
      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     2900       3021         117   bellsouth.net, inc. 
      23577     1642         34         701   Korea Telecom (ATM-MPLS)
       4755     1640        387          90   Videsh Sanchar Nigam Ltd. Aut
       4323     1425       1014         376   Time Warner Telecom
       7018     1403       5977        1000   AT&T WorldNet Services
       2386     1396        642         862   AT&T Data Communications Serv
      11492     1211        146          36   Cable One 
       8151     1201       2432         223   UniNet S.A. de C.V. 
       9583     1174        140          16   Sify Limited
       9498     1165        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      1640        1550      Videsh Sanchar Nigam Ltd. Aut
      11492      1211        1175      Cable One 
       9583      1174        1158      Sify Limited
       9498      1165        1104      BHARTI BT INTERNET LTD.
       4323      1425        1049      Time Warner Telecom
      18566      1043        1033      Covad Communications 
      17488      1060         985      Hathway IP Over Cable Interne
       8151      1201         978      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        /8:19       /9:9       /10:16      /11:42      /12:139     
      /13:280     /14:506     /15:1002    /16:9886    /17:4361    /18:7292    
      /19:15380   /20:17794   /21:17202   /22:21610   /23:22706   /24:134198  
      /25:783     /26:939     /27:497     /28:108     /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     1096          1396      AT&T Data Communications Serv
      18566     1024          1043      Covad Communications 
       9583     1009          1174      Sify Limited
       7011      981          1098      Citizens Utilities 
       4755      975          1640      Videsh Sanchar Nigam Ltd. Aut
       6478      934           935      AT&T Worldnet Services 
       6389      899          2900      bellsouth.net, inc. 
      17488      872          1060      Hathway IP Over Cable Interne
       9498      841          1165      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         8:106      12:2027     13:1        15:20       16:3      
        17:5        18:13       20:35       24:1072     25:1        32:61     
        33:4        38:419      40:94       41:662      44:2        47:8      
        52:3        55:3        56:3        57:22       58:513      59:460    
        60:441      61:984      62:1109     63:1962     64:3411     65:2434   
        66:3629     67:1170     68:674      69:2192     70:599      71:126    
        72:1675     73:6        74:950      75:228      76:303      77:648    
        78:605      79:149      80:898      81:856      82:624      83:372    
        84:545      85:993      86:399      87:655      88:345      89:1278   
        90:11       91:1213     92:293      93:360      96:25       97:14     
        98:151      99:3       116:634     117:297     118:124     119:374    
       120:14      121:525     122:756     123:320     124:853     125:1120   
       128:292     129:198     130:129     131:405     132:67      133:9      
       134:179     135:32      136:223     137:112     138:150     139:62     
       140:485     141:96      142:395     143:285     144:357     145:50     
       146:358     147:150     148:506     149:183     150:131     151:181    
       152:141     153:133     154:10      155:269     156:207     157:267    
       158:168     159:221     160:253     161:111     162:208     163:194    
       164:582     165:448     166:304     167:320     168:614     169:128    
       170:422     171:28      172:2       189:164     190:1822    192:5773   
       193:4097    194:3255    195:2417    196:1057    198:3743    199:3227   
       200:5651    201:1447    202:7542    203:7829    204:3998    205:2090   
       206:2394    207:2749    208:3295    209:3444    210:2539    211:1044   
       212:1369    213:1634    214:445     215:51      216:4337    217:1218   
       218:347     219:406     220:1069    221:482     222:305    
      
      End of report