[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 6 Mar 2010 04:50:57 +1000 (EST)
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    • 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 <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 06 Mar, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              313470
          Prefixes after maximum aggregation:                          144980
          Deaggregation factor:                                          2.16
          Unique aggregates announced to Internet:                     152997
      Total ASes present in the Internet Routing Table:                 33474
          Prefixes per ASN:                                              9.36
      Origin-only ASes present in the Internet Routing Table:           29055
      Origin ASes announcing only one prefix:                           14167
      Transit ASes present in the Internet Routing Table:                4419
      Transit-only ASes present in the Internet Routing Table:            103
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      22
          Max AS path prepend of ASN (32374)                               19
      Prefixes from unregistered ASNs in the Routing Table:               909
          Unregistered ASNs in the Routing Table:                         144
      Number of 32-bit ASNs allocated by the RIRs:                        455
      Prefixes from 32-bit ASNs in the Routing Table:                     452
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            216
      Number of addresses announced to Internet:                   2195830208
          Equivalent to 130 /8s, 225 /16s and 181 /24s
          Percentage of available address space announced:               59.2
          Percentage of allocated address space announced:               65.8
          Percentage of available address space allocated:               90.0
          Percentage of address space in use by end-sites:               81.5
      Total number of prefixes smaller than registry allocations:      150774
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    75227
          Total APNIC prefixes after maximum aggregation:               26054
          APNIC Deaggregation factor:                                    2.89
      Prefixes being announced from the APNIC address blocks:           71896
          Unique aggregates announced from the APNIC address blocks:    31752
      APNIC Region origin ASes present in the Internet Routing Table:    3979
          APNIC Prefixes per ASN:                                       18.07
      APNIC Region origin ASes announcing only one prefix:               1086
      APNIC Region transit ASes present in the Internet Routing Table:    622
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              498721568
          Equivalent to 29 /8s, 185 /16s and 227 /24s
          Percentage of available APNIC address space announced:         78.2
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks     1/8,  27/8,  43/8,  58/8,  59/8,  60/8,  61/8,
                             110/8, 111/8, 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, 133/8, 175/8, 180/8, 182/8,
                             183/8, 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:                    130980
          Total ARIN prefixes after maximum aggregation:                68073
          ARIN Deaggregation factor:                                     1.92
      Prefixes being announced from the ARIN address blocks:           104722
          Unique aggregates announced from the ARIN address blocks:     39847
      ARIN Region origin ASes present in the Internet Routing Table:    13541
          ARIN Prefixes per ASN:                                         7.73
      ARIN Region origin ASes announcing only one prefix:                5233
      ARIN Region transit ASes present in the Internet Routing Table:    1339
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               740075552
          Equivalent to 44 /8s, 28 /16s and 168 /24s
          Percentage of available ARIN address space announced:          63.0
      
      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
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  24/8,  26/8,  28/8,  29/8,
                              30/8,  32/8,  33/8,  34/8,  35/8,  38/8,  40/8,
                              44/8,  45/8,  47/8,  48/8,  50/8,  52/8,  54/8,
                              55/8,  56/8,  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, 107/8,
                             108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8,
                             206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                            
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     72277
          Total RIPE prefixes after maximum aggregation:                42038
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            65114
          Unique aggregates announced from the RIPE address blocks:     42977
      RIPE Region origin ASes present in the Internet Routing Table:    14179
          RIPE Prefixes per ASN:                                         4.59
      RIPE Region origin ASes announcing only one prefix:                7343
      RIPE Region transit ASes present in the Internet Routing Table:    2129
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               416772736
          Equivalent to 24 /8s, 215 /16s and 114 /24s
          Percentage of available RIPE address space announced:          77.6
      
      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, 47104-52223, 196608-197631
      RIPE Address Blocks      2/8,  25/8,  46/8,  51/8,  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, 109/8, 178/8, 193/8, 194/8,
                             195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   27616
          Total LACNIC prefixes after maximum aggregation:               6640
          LACNIC Deaggregation factor:                                   4.16
      Prefixes being announced from the LACNIC address blocks:          25976
          Unique aggregates announced from the LACNIC address blocks:   13520
      LACNIC Region origin ASes present in the Internet Routing Table:   1247
          LACNIC Prefixes per ASN:                                      20.83
      LACNIC Region origin ASes announcing only one prefix:               406
      LACNIC Region transit ASes present in the Internet Routing Table:   211
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        17
      Number of LACNIC addresses announced to Internet:              71116288
          Equivalent to 4 /8s, 61 /16s and 38 /24s
          Percentage of available LACNIC address space announced:        70.6
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 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:                   6696
          Total AfriNIC prefixes after maximum aggregation:              1770
          AfriNIC Deaggregation factor:                                  3.78
      Prefixes being announced from the AfriNIC address blocks:          5037
          Unique aggregates announced from the AfriNIC address blocks:   1453
      AfriNIC Region origin ASes present in the Internet Routing Table:   347
          AfriNIC Prefixes per ASN:                                     14.52
      AfriNIC Region origin ASes announcing only one prefix:               99
      AfriNIC Region transit ASes present in the Internet Routing Table:   76
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       18
      Number of AfriNIC addresses announced to Internet:             14840832
          Equivalent to 0 /8s, 226 /16s and 116 /24s
          Percentage of available AfriNIC address space announced:       44.2
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1853       8533         472   Korea Telecom (KIX)
      17488     1293        132         137   Hathway IP Over Cable Interne
       4755     1284        287         136   TATA Communications formerly 
      18101     1075        221          39   Reliance Infocom Ltd Internet
       4134     1018      19605         397   CHINANET-BACKBONE
       9583      997         75         498   Sify Limited
       7545      952        199          99   TPG Internet Pty Ltd
      17974      928        282          18   PT TELEKOMUNIKASI INDONESIA
       9829      841        684          22   BSNL National Internet Backbo
       4808      837       1582         212   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     4059       3842         314   bellsouth.net, inc. 
       4323     3791       1084         395   Time Warner Telecom
       1785     1796        698         129   PaeTec Communications, Inc.
       7018     1558       5757        1003   AT&T WorldNet Services
      20115     1554       1493         663   Charter Communications 
       2386     1318        602         936   AT&T Data Communications Serv
       3356     1209      10944         419   Level 3 Communications, LLC 
      11492     1146        222          14   Cable One 
       6478     1129        242         205   AT&T Worldnet Services 
      22773     1128       2602          69   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
      35805      585         40           5   United Telecom of Georgia
       3292      452       1900         393   TDC Tele Danmark
      30890      450        101         205   Evolva Telecom
        702      424       1870         336   UUNET - Commercial IP service
       8551      396        353          37   Bezeq International
       8866      386        112          21   Bulgarian Telecommunication C
       3320      363       7072         317   Deutsche Telekom AG
       3301      354       1413         315   TeliaNet Sweden
       3215      347       3206         103   France Telecom Transpac
      12479      332        576           5   Uni2 Autonomous System
      
      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     1577       2893         236   UniNet S.A. de C.V. 
      10620     1010        227         156   TVCABLE BOGOTA 
      28573      901        698          85   NET Servicos de Comunicao S.A
       7303      679        359          98   Telecom Argentina Stet-France
      22047      529        310          15   VTR PUNTO NET S.A. 
       6503      499        167         193   AVANTEL, S.A. 
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      11830      474        308          56   Instituto Costarricense de El
       3816      446        194          69   Empresa Nacional de Telecomun
      11172      446         99          70   Servicios Alestra S.A de C.V 
      
      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
       8452      993        445          10   TEDATA
      24863      715        144          41   LINKdotNET AS number
      36992      581        131         169   Etisalat MISR
       3741      275        855         234   The Internet Solution 
      33776      251         14          11   Starcomms Nigeria Limited
       2018      210        215         121   Tertiary Education Network 
       6713      177        167          12   Itissalat Al-MAGHRIB
      29571      171         19           9   Ci Telecom Autonomous system 
      24835      133         78          11   RAYA Telecom - Egypt
      29975      133        506          14   Vodacom
      
      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     4059       3842         314   bellsouth.net, inc. 
       4323     3791       1084         395   Time Warner Telecom
       4766     1853       8533         472   Korea Telecom (KIX)
       1785     1796        698         129   PaeTec Communications, Inc.
       8151     1577       2893         236   UniNet S.A. de C.V. 
       7018     1558       5757        1003   AT&T WorldNet Services
      20115     1554       1493         663   Charter Communications 
       2386     1318        602         936   AT&T Data Communications Serv
      17488     1293        132         137   Hathway IP Over Cable Interne
       4755     1284        287         136   TATA Communications formerly 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      3791        3396      Time Warner Telecom
       1785      1796        1667      PaeTec Communications, Inc.
       4766      1853        1381      Korea Telecom (KIX)
       8151      1577        1341      UniNet S.A. de C.V. 
      17488      1293        1156      Hathway IP Over Cable Interne
       4755      1284        1148      TATA Communications formerly 
      11492      1146        1132      Cable One 
      22773      1128        1059      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
      18101      1075        1036      Reliance Infocom Ltd Internet
      
      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
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.155.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.159.0/24        7018       AT&T WorldNet Servic
      25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      2.0.0.0/16           12654     RIPE NCC RIS Project
      2.1.0.0/21           12654     RIPE NCC RIS Project
      2.1.24.0/24          12654     RIPE NCC RIS Project
      41.77.236.0/22       23456     32-bit ASN transition
      41.190.64.0/22       28683     Office des Postes et telecomm
      41.202.96.0/19       29571     Ci Telecom Autonomous system 
      41.216.32.0/19       28683     Office des Postes et telecomm
      41.220.144.0/20      36918     ORASCOM TELECOM ALGERIE VSAT
      41.220.159.0/24      36918     ORASCOM TELECOM ALGERIE VSAT
      41.222.79.0/24       36938     Amsco Telecommunications Nige
      
      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       /9:10      /10:25      /11:66      /12:188     
      /13:388     /14:661     /15:1234    /16:10950   /17:5156    /18:8716    
      /19:18094   /20:21993   /21:22160   /22:28483   /23:28273   /24:164098  
      /25:942     /26:1176    /27:584     /28:224     /29:14      /30:7       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2627          4059      bellsouth.net, inc. 
       4323     2351          3791      Time Warner Telecom
       4766     1466          1853      Korea Telecom (KIX)
       1785     1258          1796      PaeTec Communications, Inc.
      11492     1058          1146      Cable One 
      17488     1054          1293      Hathway IP Over Cable Interne
      18566     1040          1059      Covad Communications 
      18101      947          1075      Reliance Infocom Ltd Internet
       7018      938          1558      AT&T WorldNet Services
      10620      916          1010      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:2         2:1         4:12        8:240      12:1981     13:10     
        15:22       16:3        17:8        20:39       24:1355     27:1      
        32:48       38:644      40:99       41:2059     44:3        46:1      
        47:26       52:6        55:2        56:2        57:23       58:640    
        59:632      60:400      61:1098     62:1053     63:1999     64:3818   
        65:2360     66:4150     67:1797     68:1042     69:2846     70:694    
        71:237      72:1880     73:2        74:2137     75:242      76:334    
        77:827      78:590      79:399      80:990      81:778      82:450    
        83:449      84:655      85:1023     86:385      87:683      88:425    
        89:1529     90:77       91:2700     92:435      93:1143     94:1397   
        95:528      96:234      97:302      98:503      99:26      100:1      
       109:389     110:296     111:449     112:239     113:241     114:373    
       115:574     116:1022    117:630     118:390     119:940     120:148    
       121:842     122:1380    123:865     124:1068    125:1285    128:208    
       129:205     130:141     131:486     132:204     133:17      134:195    
       135:43      136:226     137:171     138:240     139:92      140:474    
       141:135     142:379     143:347     144:413     145:51      146:407    
       147:168     148:573     149:209     150:151     151:168     152:257    
       153:167     154:2       155:278     156:178     157:327     158:99     
       159:358     160:305     161:177     162:270     163:166     164:311    
       165:495     166:506     167:390     168:783     169:161     170:710    
       171:46      172:2       173:529     174:542     175:60      178:3      
       180:351     182:24      183:228     184:13      186:306     187:223    
       188:1415    189:702     190:3526    192:5718    193:4527    194:3358   
       195:2803    196:1177    198:3553    199:3380    200:5259    201:1477   
       202:8042    203:8296    204:4074    205:2175    206:2507    207:3074   
       208:3913    209:3459    210:2544    211:1198    212:1703    213:1660   
       214:262     215:61      216:4472    217:1513    218:488     219:426    
       220:1074    221:380     222:304    
      
      End of report