[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, 2 Aug 2008 04:07:59 +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 02 Aug, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              265184
          Prefixes after maximum aggregation:                          129461
          Deaggregation factor:                                          2.05
          Unique aggregates announced to Internet:                     129300
      Total ASes present in the Internet Routing Table:                 28821
          Prefixes per ASN:                                              9.20
      Origin-only ASes present in the Internet Routing Table:           25126
      Origin ASes announcing only one prefix:                           12150
      Transit ASes present in the Internet Routing Table:                3695
      Transit-only ASes present in the Internet Routing Table:             79
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      21
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               572
          Unregistered ASNs in the Routing Table:                         211
      Number of 32-bit ASNs allocated by the RIRs:                         53
      Prefixes from 32-bit ASNs in the Routing Table:                       7
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            791
      Number of addresses announced to Internet:                   1888212576
          Equivalent to 112 /8s, 139 /16s and 214 /24s
          Percentage of available address space announced:               50.9
          Percentage of allocated address space announced:               61.9
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               73.0
      Total number of prefixes smaller than registry allocations:      129790
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    60837
          Total APNIC prefixes after maximum aggregation:               22712
          APNIC Deaggregation factor:                                    2.68
      Prefixes being announced from the APNIC address blocks:           57817
          Unique aggregates announced from the APNIC address blocks:    26028
      APNIC Region origin ASes present in the Internet Routing Table:    3320
          APNIC Prefixes per ASN:                                       17.41
      APNIC Region origin ASes announcing only one prefix:                878
      APNIC Region transit ASes present in the Internet Routing Table:    513
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              369846304
          Equivalent to 22 /8s, 11 /16s and 104 /24s
          Percentage of available APNIC address space announced:         78.7
      
      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, 112/8, 113/8, 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:                    121736
          Total ARIN prefixes after maximum aggregation:                65145
          ARIN Deaggregation factor:                                     1.87
      Prefixes being announced from the ARIN address blocks:            91199
          Unique aggregates announced from the ARIN address blocks:     34975
      ARIN Region origin ASes present in the Internet Routing Table:    12333
          ARIN Prefixes per ASN:                                         7.39
      ARIN Region origin ASes announcing only one prefix:                4760
      ARIN Region transit ASes present in the Internet Routing Table:    1172
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               359625120
          Equivalent to 21 /8s, 111 /16s and 113 /24s
          Percentage of available ARIN address space announced:          73.9
      
      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:                     57109
          Total RIPE prefixes after maximum aggregation:                34644
          RIPE Deaggregation factor:                                     1.65
      Prefixes being announced from the RIPE address blocks:            52259
          Unique aggregates announced from the RIPE address blocks:     35059
      RIPE Region origin ASes present in the Internet Routing Table:    11666
          RIPE Prefixes per ASN:                                         4.48
      RIPE Region origin ASes announcing only one prefix:                6118
      RIPE Region transit ASes present in the Internet Routing Table:    1753
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               368008320
          Equivalent to 21 /8s, 239 /16s and 92 /24s
          Percentage of available RIPE address space announced:          84.4
      
      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:                   20879
          Total LACNIC prefixes after maximum aggregation:               5274
          LACNIC Deaggregation factor:                                   3.96
      Prefixes being announced from the LACNIC address blocks:          19108
          Unique aggregates announced from the LACNIC address blocks:   10762
      LACNIC Region origin ASes present in the Internet Routing Table:    971
          LACNIC Prefixes per ASN:                                      19.68
      LACNIC Region origin ASes announcing only one prefix:               316
      LACNIC Region transit ASes present in the Internet Routing Table:   162
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              54027264
          Equivalent to 3 /8s, 56 /16s and 100 /24s
          Percentage of available LACNIC address space announced:        53.7
      
      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:                   4054
          Total AfriNIC prefixes after maximum aggregation:              1210
          AfriNIC Deaggregation factor:                                  3.35
      Prefixes being announced from the AfriNIC address blocks:          4420
          Unique aggregates announced from the AfriNIC address blocks:   1902
      AfriNIC Region origin ASes present in the Internet Routing Table:   245
          AfriNIC Prefixes per ASN:                                     18.04
      AfriNIC Region origin ASes announcing only one prefix:               78
      AfriNIC Region transit ASes present in the Internet Routing Table:   47
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12521984
          Equivalent to 0 /8s, 191 /16s and 18 /24s
          Percentage of available AfriNIC address space announced:       37.3
      
      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     1688        345         177   Videsh Sanchar Nigam Ltd. Aut
      17488     1267         87          91   Hathway IP Over Cable Interne
       9583     1146         87         486   Sify Limited
       4766      855       6390         348   Korea Telecom (KIX)
       4134      831      13619         339   CHINANET-BACKBONE
      23577      830         35         702   Korea Telecom (ATM-MPLS)
       4780      712        353          64   Digital United Inc.
      18101      711        167          33   Reliance Infocom Ltd Internet
       9498      663        291          54   BHARTI BT INTERNET LTD.
       4808      623       1120         138   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
       6389     3205       3359         213   bellsouth.net, inc. 
        209     2982       3860         621   Qwest 
       6298     1778        270         769   Cox Communicatons 
       4323     1491       1062         380   Time Warner Telecom
       2386     1486        673         880   AT&T Data Communications Serv
       7018     1409       5829         987   AT&T WorldNet Services
       1785     1390        478         102   AppliedTheory Corporation 
      11492     1215        151          23   Cable One 
      20115     1115       1080         572   Charter Communications 
      18566     1045        296          10   Covad 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      414       1792         372   TDC Tele Danmark
       3215      358       2756         106   France Telecom Transpac
       8452      347        188          11   TEDATA
       3301      332       1460         303   TeliaNet Sweden
       3320      322       7047         270   Deutsche Telekom AG
       8866      316         77          21   Bulgarian Telecommunication C
       5462      296        666          27   Telewest Broadband
       8551      287        270          38   Bezeq International
        680      274       2047         264   DFN-IP service G-WiN
       6746      267        125         242   Dynamic Network Technologies,
      
      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     1447       2591         226   UniNet S.A. de C.V. 
      11830      612        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
       7303      474        234          62   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      417         85          48   ENTEL CHILE S.A. 
      11172      408        118          71   Servicios Alestra S.A de C.V 
      10620      405        106          58   TVCABLE BOGOTA 
      14117      375         23           9   Telefonica del Sur S.A. 
      20299      329         23         104   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      479         62          20   LINKdotNET AS number
      20858      398         34           3   EgyNet
       3741      268        855         223   The Internet Solution 
       2018      212        213         131   Tertiary Education Network 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      135         10          12   EEPAD TISP TELECOM & INTERNET
       5713      129        540          74   Telkom SA Ltd 
       5536      120          8          17   Internet Egypt Network
      33776      115          6           3   Starcomms Nigeria Limited
      29571      107         13           8   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     3205       3359         213   bellsouth.net, inc. 
        209     2982       3860         621   Qwest 
       6298     1778        270         769   Cox Communicatons 
       4755     1688        345         177   Videsh Sanchar Nigam Ltd. Aut
       4323     1491       1062         380   Time Warner Telecom
       2386     1486        673         880   AT&T Data Communications Serv
       8151     1447       2591         226   UniNet S.A. de C.V. 
       7018     1409       5829         987   AT&T WorldNet Services
       1785     1390        478         102   AppliedTheory Corporation 
      17488     1267         87          91   Hathway IP Over Cable Interne
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2982        2361      Qwest 
       4755      1688        1511      Videsh Sanchar Nigam Ltd. Aut
       1785      1390        1288      AppliedTheory Corporation 
       8151      1447        1221      UniNet S.A. de C.V. 
      11492      1215        1192      Cable One 
      17488      1267        1176      Hathway IP Over Cable Interne
       4323      1491        1111      Time Warner Telecom
      18566      1045        1035      Covad Communications 
       6298      1778        1009      Cox Communicatons 
      22773       969         906      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
      16927   UNALLOCATED   12.0.252.0/23          701       UUNET Technologies, 
      22492   UNALLOCATED   12.2.46.0/24          7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.31.25.0/24         6517       Yipes Communications
      27220   UNALLOCATED   12.35.204.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.48.244.0/23        7843     Adelphia Corp. 
      24.48.246.0/24        7843     Adelphia Corp. 
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.23.0/24         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
      
      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       /10:17      /11:46      /12:147     
      /13:294     /14:520     /15:1051    /16:10043   /17:4339    /18:7536    
      /19:15968   /20:18587   /21:18269   /22:22879   /23:23873   /24:138870  
      /25:833     /26:1022    /27:758     /28:88      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2034          3205      bellsouth.net, inc. 
       6298     1752          1778      Cox Communicatons 
        209     1734          2982      Qwest 
      11492     1196          1215      Cable One 
       2386     1179          1486      AT&T Data Communications Serv
      17488     1077          1267      Hathway IP Over Cable Interne
       1785     1047          1390      AppliedTheory Corporation 
       4755     1039          1688      Videsh Sanchar Nigam Ltd. Aut
      18566     1026          1045      Covad Communications 
       6478     1007          1016      AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:128      12:2105     13:2        14:1        15:22     
        16:3        17:5        18:13       20:35       24:1098     32:60     
        38:471      40:92       41:698      43:1        44:2        47:12     
        52:3        55:3        56:3        57:25       58:527      59:511    
        60:456      61:990      62:1201     63:2039     64:3284     65:2381   
        66:3510     67:1225     68:746      69:2291     70:822      71:118    
        72:2008     73:6        74:1071     75:153      76:305      77:757    
        78:765      79:212      80:979      81:847      82:602      83:376    
        84:567      85:957      86:407      87:687      88:338      89:1315   
        90:31       91:1402     92:237      93:721      94:89       96:52     
        97:41       98:290      99:4       112:1       113:1       114:76     
       115:28      116:903     117:328     118:189     119:446     120:59     
       121:571     122:807     123:371     124:904     125:1175    128:360    
       129:198     130:135     131:412     132:66      133:9       134:186    
       135:33      136:223     137:95      138:146     139:93      140:498    
       141:98      142:405     143:321     144:393     145:51      146:371    
       147:157     148:519     149:194     150:125     151:182     152:137    
       153:136     154:10      155:252     156:173     157:291     158:187    
       159:239     160:274     161:118     162:214     163:155     164:517    
       165:454     166:316     167:330     168:624     169:139     170:422    
       171:32      172:10      188:1       189:362     190:2243    192:5787   
       193:4125    194:3239    195:2547    196:1031    198:3725    199:3309   
       200:5566    201:1473    202:7666    203:8056    204:3979    205:2136   
       206:2359    207:2761    208:3481    209:3493    210:2590    211:1078   
       212:1425    213:1602    214:161     215:49      216:4517    217:1243   
       218:343     219:428     220:1059    221:455     222:312    
      
      End of report