[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, 22 Mar 2008 04:06:42 +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 22 Mar, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              249926
          Prefixes after maximum aggregation:                          125708
          Deaggregation factor:                                          1.99
          Unique aggregates announced to Internet:                     121435
      Total ASes present in the Internet Routing Table:                 27716
          Prefixes per ASN:                                              9.02
      Origin-only ASes present in the Internet Routing Table:           24163
      Origin ASes announcing only one prefix:                           11205
      Transit ASes present in the Internet Routing Table:                3553
      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 (43380)                               13
      Prefixes from unregistered ASNs in the Routing Table:             25270
          Unregistered ASNs in the Routing Table:                        1928
      Number of 32-bit ASNs allocated by the RIRs:                         46
      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:            874
      Number of addresses announced to Internet:                   1847560448
          Equivalent to 110 /8s, 31 /16s and 137 /24s
          Percentage of available address space announced:               49.8
          Percentage of allocated address space announced:               61.2
          Percentage of available address space allocated:               81.4
          Percentage of address space in use by end-sites:               71.0
      Total number of prefixes smaller than registry allocations:      118974
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    42273
          Total APNIC prefixes after maximum aggregation:               13276
          APNIC Deaggregation factor:                                    3.18
      Prefixes being announced from the APNIC address blocks:           54431
          Unique aggregates announced from the APNIC address blocks:    23158
      APNIC Region origin ASes present in the Internet Routing Table:    1905
          APNIC Prefixes per ASN:                                       28.57
      APNIC Region origin ASes announcing only one prefix:                553
      APNIC Region transit ASes present in the Internet Routing Table:    348
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              336420960
          Equivalent to 20 /8s, 13 /16s and 96 /24s
          Percentage of available APNIC address space announced:         77.1
      
      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:                    106628
          Total ARIN prefixes after maximum aggregation:                58657
          ARIN Deaggregation factor:                                     1.82
      Prefixes being announced from the ARIN address blocks:            85319
          Unique aggregates announced from the ARIN address blocks:     33814
      ARIN Region origin ASes present in the Internet Routing Table:    11645
          ARIN Prefixes per ASN:                                         7.33
      ARIN Region origin ASes announcing only one prefix:                4517
      ARIN Region transit ASes present in the Internet Routing Table:    1035
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               360305408
          Equivalent to 21 /8s, 121 /16s and 211 /24s
          Percentage of available ARIN address space announced:          74.1
      
      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:                     53063
          Total RIPE prefixes after maximum aggregation:                32987
          RIPE Deaggregation factor:                                     1.61
      Prefixes being announced from the RIPE address blocks:            48596
          Unique aggregates announced from the RIPE address blocks:     32653
      RIPE Region origin ASes present in the Internet Routing Table:    11060
          RIPE Prefixes per ASN:                                         4.39
      RIPE Region origin ASes announcing only one prefix:                5776
      RIPE Region transit ASes present in the Internet Routing Table:    1682
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               347894304
          Equivalent to 20 /8s, 188 /16s and 114 /24s
          Percentage of available RIPE address space announced:          79.8
      
      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:                   19100
          Total LACNIC prefixes after maximum aggregation:               4771
          LACNIC Deaggregation factor:                                   4.00
      Prefixes being announced from the LACNIC address blocks:          17466
          Unique aggregates announced from the LACNIC address blocks:    9543
      LACNIC Region origin ASes present in the Internet Routing Table:    882
          LACNIC Prefixes per ASN:                                      19.80
      LACNIC Region origin ASes announcing only one prefix:               279
      LACNIC Region transit ASes present in the Internet Routing Table:   152
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              49790848
          Equivalent to 2 /8s, 247 /16s and 191 /24s
          Percentage of available LACNIC address space announced:        49.5
      
      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:                   3591
          Total AfriNIC prefixes after maximum aggregation:              1135
          AfriNIC Deaggregation factor:                                  3.16
      Prefixes being announced from the AfriNIC address blocks:          4008
          Unique aggregates announced from the AfriNIC address blocks:   1814
      AfriNIC Region origin ASes present in the Internet Routing Table:   234
          AfriNIC Prefixes per ASN:                                     17.13
      AfriNIC Region origin ASes announcing only one prefix:               80
      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:             10090752
          Equivalent to 0 /8s, 153 /16s and 249 /24s
          Percentage of available AfriNIC address space announced:       30.1
      
      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     1612        386          85   Videsh Sanchar Nigam Ltd. Aut
       9583     1151        140          16   Sify Limited
       9498     1123        551          65   BHARTI BT INTERNET LTD.
      17488     1033         66          86   Hathway IP Over Cable Interne
       4134      855      12473         317   CHINANET-BACKBONE
       4766      849       6005         340   Korea Telecom (KIX)
      18101      673        126          52   Reliance Infocom Ltd Internet
       9829      594        449          11   BSNL National Internet Backbo
       4812      561        967          91   China Telecom (Shanghai)
       1221      545       1951         420   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     1413       5926        1000   AT&T WorldNet Services
       2386     1390        657         850   AT&T Data Communications Serv
       4323     1386       1028         367   Time Warner Telecom
      11492     1216        146          23   Cable One 
       7011     1073        312         610   Citizens Utilities 
      18566     1046        296          10   Covad Communications 
      20115     1038        830         495   Charter Communications 
       1785     1008        479         107   AppliedTheory Corporation 
       6197      989        728         477   BellSouth Network Solutions, 
        174      968       6836         816   Cogent 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      395       1776         360   TDC Tele Danmark
       8452      383        188           7   TEDATA
       3301      341       1459         310   TeliaNet Sweden
       3320      322       7045         267   Deutsche Telekom AG
       8866      293         78          24   Bulgarian Telecommunication C
       3215      277       2655          91   France Telecom Transpac
       5462      275        666          26   Telewest Broadband
       6746      263        127         241   Dynamic Network Technologies,
        680      259       2046         258   DFN-IP service G-WiN
       8708      254        421         245   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     1186       2449         220   UniNet S.A. de C.V. 
      11830      556        299           9   Instituto Costarricense de El
       7303      452        220          60   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
      11172      406        116          68   Servicios Alestra S.A de C.V 
       6471      395         85          39   ENTEL CHILE S.A. 
      10620      392        103          51   TVCABLE BOGOTA 
      14117      352         25          15   Telefonica del Sur S.A. 
      22047      322        270          14   VTR PUNTO NET 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      451         60          27   LINKdotNET AS number
       3741      287        869         224   The Internet Solution 
       2018      254        265         126   Tertiary Education Network 
      20858      215         34           3   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       89         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
       6389     1768       2992          85   bellsouth.net, inc. 
      23577     1644         34         703   Korea Telecom (ATM-MPLS)
       4755     1612        386          85   Videsh Sanchar Nigam Ltd. Aut
       7018     1413       5926        1000   AT&T WorldNet Services
       2386     1390        657         850   AT&T Data Communications Serv
       4323     1386       1028         367   Time Warner Telecom
      11492     1216        146          23   Cable One 
       8151     1186       2449         220   UniNet S.A. de C.V. 
       9583     1151        140          16   Sify Limited
       9498     1123        551          65   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      1612        1527      Videsh Sanchar Nigam Ltd. Aut
      11492      1216        1193      Cable One 
       9583      1151        1135      Sify Limited
       9498      1123        1058      BHARTI BT INTERNET LTD.
      18566      1046        1036      Covad Communications 
       4323      1386        1019      Time Warner Telecom
       8151      1186         966      UniNet S.A. de C.V. 
      17676      1018         952      Softbank BB Corp.
      17488      1033         947      Hathway IP Over Cable Interne
      23577      1644         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 
      26478   UNALLOCATED   8.7.228.0/24          6461       AboveNet Communicati
      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 
      14984   UNALLOCATED   12.2.192.0/24         7132       SBC Internet Service
      15132   UNALLOCATED   12.9.150.0/24          701       UUNET Technologies, 
      
      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       19548     Adelphia Business Solutions 
      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 
      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      /11:40      /12:137     
      /13:277     /14:499     /15:996     /16:9788    /17:4286    /18:7287    
      /19:15266   /20:17486   /21:16712   /22:21210   /23:22361   /24:131209  
      /25:769     /26:946     /27:488     /28:107     /29:9       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1202          1216      Cable One 
       2386     1091          1390      AT&T Data Communications Serv
      18566     1027          1046      Covad Communications 
       9583      987          1151      Sify Limited
       4755      959          1612      Videsh Sanchar Nigam Ltd. Aut
       7011      955          1073      Citizens Utilities 
       6478      933           934      AT&T Worldnet Services 
      17488      848          1033      Hathway IP Over Cable Interne
      23577      813          1644      Korea Telecom (ATM-MPLS)
       9498      796          1123      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         8:102      11:1        12:1998     13:1        15:21     
        16:3        17:6        18:12       20:35       24:1046     25:1      
        32:59       33:4        38:406      40:95       41:621      44:2      
        47:8        52:3        55:3        56:3        57:22       58:514    
        59:427      60:422      61:983      62:1106     63:1963     64:3352   
        65:2360     66:3619     67:1064     68:661      69:2109     70:510    
        71:141      72:1521     73:6        74:886      75:222      76:275    
        77:626      78:528      79:120      80:884      81:848      82:611    
        83:364      84:549      85:943      86:388      87:632      88:309    
        89:1209     90:11       91:1119     92:235      93:141      96:18     
        97:16       98:100      99:3       116:568     117:278     118:77     
       119:350     121:470     122:722     123:298     124:803     125:1126   
       128:321     129:201     130:124     131:402     132:67      133:9      
       134:188     135:32      136:221     137:119     138:154     139:65     
       140:483     141:109     142:376     143:275     144:346     145:54     
       146:334     147:132     148:494     149:180     150:121     151:161    
       152:142     153:127     154:11      155:266     156:208     157:252    
       158:167     159:222     160:265     161:110     162:206     163:197    
       164:568     165:431     166:296     167:428     168:593     169:128    
       170:425     171:28      172:3       189:145     190:1530    192:5768   
       193:4100    194:3264    195:2380    196:1058    198:3762    199:3230   
       200:5498    201:1311    202:7535    203:7790    204:3998    205:2086   
       206:2414    207:2719    208:3206    209:3473    210:2524    211:1062   
       212:1288    213:1605    214:445     215:48      216:4228    217:1229   
       218:349     219:403     220:1056    221:403     222:313    
      
      End of report