[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, 9 Aug 2008 04:08:23 +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 09 Aug, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              265478
          Prefixes after maximum aggregation:                          129570
          Deaggregation factor:                                          2.05
          Unique aggregates announced to Internet:                     129591
      Total ASes present in the Internet Routing Table:                 28883
          Prefixes per ASN:                                              9.19
      Origin-only ASes present in the Internet Routing Table:           25165
      Origin ASes announcing only one prefix:                           12193
      Transit ASes present in the Internet Routing Table:                3718
      Transit-only ASes present in the Internet Routing Table:             81
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      25
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               569
          Unregistered ASNs in the Routing Table:                         209
      Number of 32-bit ASNs allocated by the RIRs:                         55
      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:            778
      Number of addresses announced to Internet:                   1889709152
          Equivalent to 112 /8s, 162 /16s and 172 /24s
          Percentage of available address space announced:               51.0
          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:      130048
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    61000
          Total APNIC prefixes after maximum aggregation:               22709
          APNIC Deaggregation factor:                                    2.69
      Prefixes being announced from the APNIC address blocks:           57975
          Unique aggregates announced from the APNIC address blocks:    26131
      APNIC Region origin ASes present in the Internet Routing Table:    3322
          APNIC Prefixes per ASN:                                       17.45
      APNIC Region origin ASes announcing only one prefix:                880
      APNIC Region transit ASes present in the Internet Routing Table:    512
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              370241056
          Equivalent to 22 /8s, 17 /16s and 110 /24s
          Percentage of available APNIC address space announced:         78.8
      
      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:                    121751
          Total ARIN prefixes after maximum aggregation:                65124
          ARIN Deaggregation factor:                                     1.87
      Prefixes being announced from the ARIN address blocks:            91093
          Unique aggregates announced from the ARIN address blocks:     34943
      ARIN Region origin ASes present in the Internet Routing Table:    12344
          ARIN Prefixes per ASN:                                         7.38
      ARIN Region origin ASes announcing only one prefix:                4761
      ARIN Region transit ASes present in the Internet Routing Table:    1179
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               360292768
          Equivalent to 21 /8s, 121 /16s and 161 /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, 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:                     57093
          Total RIPE prefixes after maximum aggregation:                34735
          RIPE Deaggregation factor:                                     1.64
      Prefixes being announced from the RIPE address blocks:            52243
          Unique aggregates announced from the RIPE address blocks:     35108
      RIPE Region origin ASes present in the Internet Routing Table:    11705
          RIPE Prefixes per ASN:                                         4.46
      RIPE Region origin ASes announcing only one prefix:                6155
      RIPE Region transit ASes present in the Internet Routing Table:    1764
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               368507008
          Equivalent to 21 /8s, 246 /16s and 248 /24s
          Percentage of available RIPE address space announced:          84.5
      
      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:                   21040
          Total LACNIC prefixes after maximum aggregation:               5302
          LACNIC Deaggregation factor:                                   3.97
      Prefixes being announced from the LACNIC address blocks:          19279
          Unique aggregates announced from the LACNIC address blocks:   10899
      LACNIC Region origin ASes present in the Internet Routing Table:    977
          LACNIC Prefixes per ASN:                                      19.73
      LACNIC Region origin ASes announcing only one prefix:               319
      LACNIC Region transit ASes present in the Internet Routing Table:   165
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              54245376
          Equivalent to 3 /8s, 59 /16s and 184 /24s
          Percentage of available LACNIC address space announced:        53.9
      
      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:                   4028
          Total AfriNIC prefixes after maximum aggregation:              1224
          AfriNIC Deaggregation factor:                                  3.29
      Prefixes being announced from the AfriNIC address blocks:          4372
          Unique aggregates announced from the AfriNIC address blocks:   1913
      AfriNIC Region origin ASes present in the Internet Routing Table:   246
          AfriNIC Prefixes per ASN:                                     17.77
      AfriNIC Region origin ASes announcing only one prefix:               78
      AfriNIC Region transit ASes present in the Internet Routing Table:   49
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             12534016
          Equivalent to 0 /8s, 191 /16s and 65 /24s
          Percentage of available AfriNIC address space announced:       37.4
      
      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     1691        345         178   Videsh Sanchar Nigam Ltd. Aut
      17488     1288         88          92   Hathway IP Over Cable Interne
       9583     1174         92         492   Sify Limited
       4766      856       6390         349   Korea Telecom (KIX)
       4134      833      13516         353   CHINANET-BACKBONE
      23577      831         35         703   Korea Telecom (ATM-MPLS)
       4780      712        353          64   Digital United Inc.
      18101      712        167          33   Reliance Infocom Ltd Internet
       9498      669        291          54   BHARTI BT INTERNET LTD.
       4808      618       1112         137   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     3200       3358         208   bellsouth.net, inc. 
        209     2975       3860         625   Qwest 
       6298     1778        270         768   Cox Communicatons 
       2386     1560        707         893   AT&T Data Communications Serv
       4323     1489       1078         380   Time Warner Telecom
       1785     1450        478         102   AppliedTheory Corporation 
       7018     1411       5830         989   AT&T WorldNet Services
      11492     1218        151          23   Cable One 
      20115     1117       1082         571   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      371       2756         106   France Telecom Transpac
       8452      357        188          11   TEDATA
       3301      333       1460         304   TeliaNet Sweden
       3320      323       7047         271   Deutsche Telekom AG
       8866      316         77          21   Bulgarian Telecommunication C
       8551      288        270          38   Bezeq International
       5462      286        666          27   Telewest Broadband
        680      274       2047         264   DFN-IP service G-WiN
       6746      268        126         243   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     1476       2592         225   UniNet S.A. de C.V. 
      11830      624        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
       7303      475        235          63   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      417         85          48   ENTEL CHILE S.A. 
      11172      409        118          71   Servicios Alestra S.A de C.V 
      10620      407        107          51   TVCABLE BOGOTA 
      14117      375         23           9   Telefonica del Sur S.A. 
      20299      346         24         101   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      495         63          28   LINKdotNET AS number
      20858      402         34           3   EgyNet
       3741      269        855         224   The Internet Solution 
       2018      211        213         130   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      114          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     3200       3358         208   bellsouth.net, inc. 
        209     2975       3860         625   Qwest 
       6298     1778        270         768   Cox Communicatons 
       4755     1691        345         178   Videsh Sanchar Nigam Ltd. Aut
       2386     1560        707         893   AT&T Data Communications Serv
       4323     1489       1078         380   Time Warner Telecom
       8151     1476       2592         225   UniNet S.A. de C.V. 
       1785     1450        478         102   AppliedTheory Corporation 
       7018     1411       5830         989   AT&T WorldNet Services
      17488     1288         88          92   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      2975        2350      Qwest 
       4755      1691        1513      Videsh Sanchar Nigam Ltd. Aut
       1785      1450        1348      AppliedTheory Corporation 
       8151      1476        1251      UniNet S.A. de C.V. 
      17488      1288        1196      Hathway IP Over Cable Interne
      11492      1218        1195      Cable One 
       4323      1489        1109      Time Warner Telecom
      18566      1045        1035      Covad Communications 
       6298      1778        1010      Cox Communicatons 
      22773       973         910      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         7018       AT&T WorldNet Servic
      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
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.142.40.0/21        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
      63.143.71.0/24         701     UUNET Technologies, Inc. 
      
      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      /11:45      /12:146     
      /13:293     /14:523     /15:1054    /16:10035   /17:4344    /18:7529    
      /19:15967   /20:18606   /21:18147   /22:22946   /23:23926   /24:139133  
      /25:843     /26:1036    /27:758     /28:86      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2035          3200      bellsouth.net, inc. 
       6298     1752          1778      Cox Communicatons 
        209     1726          2975      Qwest 
       2386     1236          1560      AT&T Data Communications Serv
      11492     1199          1218      Cable One 
      17488     1096          1288      Hathway IP Over Cable Interne
       1785     1064          1450      AppliedTheory Corporation 
       4755     1042          1691      Videsh Sanchar Nigam Ltd. Aut
       9583     1030          1174      Sify Limited
      18566     1026          1045      Covad Communications 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:129      12:2102     13:2        14:1        15:22     
        16:3        17:5        18:13       20:35       24:1085     32:59     
        38:479      40:92       41:695      43:1        44:2        47:12     
        52:3        55:3        56:3        57:27       58:526      59:512    
        60:456      61:992      62:1208     63:2036     64:3262     65:2376   
        66:3496     67:1221     68:743      69:2289     70:823      71:116    
        72:2008     73:6        74:1086     75:156      76:308      77:754    
        78:805      79:218      80:976      81:849      82:610      83:378    
        84:570      85:966      86:397      87:684      88:340      89:1296   
        90:33       91:1389     92:247      93:720      94:95       96:53     
        97:44       98:301      99:3       114:81      115:34      116:923    
       117:330     118:193     119:442     120:63      121:581     122:808    
       123:372     124:904     125:1176    128:360     129:198     130:135    
       131:411     132:67      133:9       134:187     135:33      136:222    
       137:94      138:146     139:88      140:500     141:103     142:404    
       143:335     144:390     145:51      146:372     147:156     148:517    
       149:198     150:129     151:181     152:143     153:136     154:10     
       155:252     156:174     157:285     158:186     159:294     160:273    
       161:119     162:216     163:155     164:516     165:455     166:318    
       167:329     168:623     169:139     170:425     171:32      172:10     
       188:1       189:431     190:2264    192:5799    193:4140    194:3241   
       195:2550    196:1025    198:3738    199:3307    200:5588    201:1471   
       202:7691    203:8077    204:3962    205:2144    206:2361    207:2760   
       208:3502    209:3465    210:2586    211:1076    212:1425    213:1600   
       214:172     215:50      216:4483    217:1212    218:343     219:428    
       220:1065    221:455     222:309    
      
      End of report