[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, 4 Apr 2009 04:14:51 +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 04 Apr, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              284279
          Prefixes after maximum aggregation:                          134697
          Deaggregation factor:                                          2.11
          Unique aggregates announced to Internet:                     139818
      Total ASes present in the Internet Routing Table:                 30933
          Prefixes per ASN:                                              9.19
      Origin-only ASes present in the Internet Routing Table:           26928
      Origin ASes announcing only one prefix:                           13076
      Transit ASes present in the Internet Routing Table:                4005
      Transit-only ASes present in the Internet Routing Table:             98
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      28
          Max AS path prepend of ASN (12445)                               18
      Prefixes from unregistered ASNs in the Routing Table:               470
          Unregistered ASNs in the Routing Table:                         159
      Number of 32-bit ASNs allocated by the RIRs:                        138
      Prefixes from 32-bit ASNs in the Routing Table:                      19
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            226
      Number of addresses announced to Internet:                   2024619360
          Equivalent to 120 /8s, 173 /16s and 61 /24s
          Percentage of available address space announced:               54.6
          Percentage of allocated address space announced:               63.9
          Percentage of available address space allocated:               85.5
          Percentage of address space in use by end-sites:               76.2
      Total number of prefixes smaller than registry allocations:      139764
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    65840
          Total APNIC prefixes after maximum aggregation:               23485
          APNIC Deaggregation factor:                                    2.80
      Prefixes being announced from the APNIC address blocks:           62608
          Unique aggregates announced from the APNIC address blocks:    28689
      APNIC Region origin ASes present in the Internet Routing Table:    3591
          APNIC Prefixes per ASN:                                       17.43
      APNIC Region origin ASes announcing only one prefix:                964
      APNIC Region transit ASes present in the Internet Routing Table:    554
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              409929248
          Equivalent to 24 /8s, 111 /16s and 6 /24s
          Percentage of available APNIC address space announced:         81.4
      
      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, 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,
                             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:                    124467
          Total ARIN prefixes after maximum aggregation:                65792
          ARIN Deaggregation factor:                                     1.89
      Prefixes being announced from the ARIN address blocks:            93786
          Unique aggregates announced from the ARIN address blocks:     36438
      ARIN Region origin ASes present in the Internet Routing Table:    12879
          ARIN Prefixes per ASN:                                         7.28
      ARIN Region origin ASes announcing only one prefix:                4954
      ARIN Region transit ASes present in the Internet Routing Table:    1241
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               420976128
          Equivalent to 25 /8s, 23 /16s and 150 /24s
          Percentage of available ARIN address space announced:          80.9
      
      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, 108/8, 173/8,
                             174/8, 184/8, 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:                     65066
          Total RIPE prefixes after maximum aggregation:                37870
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            59653
          Unique aggregates announced from the RIPE address blocks:     39647
      RIPE Region origin ASes present in the Internet Routing Table:    12843
          RIPE Prefixes per ASN:                                         4.64
      RIPE Region origin ASes announcing only one prefix:                6726
      RIPE Region transit ASes present in the Internet Routing Table:    1932
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               392241952
          Equivalent to 23 /8s, 97 /16s and 35 /24s
          Percentage of available RIPE address space announced:          83.5
      
      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, 47104-52223
      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, 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:                   23658
          Total LACNIC prefixes after maximum aggregation:               5819
          LACNIC Deaggregation factor:                                   4.07
      Prefixes being announced from the LACNIC address blocks:          21871
          Unique aggregates announced from the LACNIC address blocks:   11884
      LACNIC Region origin ASes present in the Internet Routing Table:   1087
          LACNIC Prefixes per ASN:                                      20.12
      LACNIC Region origin ASes announcing only one prefix:               345
      LACNIC Region transit ASes present in the Internet Routing Table:   176
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        28
      Number of LACNIC addresses announced to Internet:              62027008
          Equivalent to 3 /8s, 178 /16s and 117 /24s
          Percentage of available LACNIC address space announced:        61.6
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247
                             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:                   4817
          Total AfriNIC prefixes after maximum aggregation:              1382
          AfriNIC Deaggregation factor:                                  3.49
      Prefixes being announced from the AfriNIC address blocks:          4505
          Unique aggregates announced from the AfriNIC address blocks:   1345
      AfriNIC Region origin ASes present in the Internet Routing Table:   289
          AfriNIC Prefixes per ASN:                                     15.59
      AfriNIC Region origin ASes announcing only one prefix:               87
      AfriNIC Region transit ASes present in the Internet Routing Table:   55
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             10176000
          Equivalent to 0 /8s, 155 /16s and 70 /24s
          Percentage of available AfriNIC address space announced:       30.3
      
      AfriNIC AS Blocks      36864-37887 & 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     1687       6929         394   Korea Telecom (KIX)
      17488     1538        121          98   Hathway IP Over Cable Interne
       4755     1179        405         179   TATA Communications formerly 
       9583     1086         86         534   Sify Limited
       4134      918      16382         367   CHINANET-BACKBONE
       7545      784        164         106   TPG Internet Pty Ltd
      18101      754        206          30   Reliance Infocom Ltd Internet
       9498      686        297          49   BHARTI BT INTERNET LTD.
      24560      680        228         176   Bharti Airtel Ltd.
       9829      637        491          20   BSNL National Internet Backbo
      
      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     4315       3669         346   bellsouth.net, inc. 
        209     2656       4151         623   Qwest 
       4323     1816       1049         376   Time Warner Telecom
       1785     1742        717         139   PaeTec Communications, Inc.
      20115     1592       1426         725   Charter Communications 
       7018     1442       5895        1015   AT&T WorldNet Services
       6478     1308        296         501   AT&T Worldnet Services 
       2386     1263        683         905   AT&T Data Communications Serv
      11492     1202        192          11   Cable One 
       3356     1189      10978         450   Level 3 Communications, LLC 
      
      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
       8452     1232        188           7   TEDATA
       3292      450       1764         389   TDC Tele Danmark
      30890      435         86         194   SC Kappa Invexim SRL
      12479      409        578           6   Uni2 Autonomous System
       3320      343       7081         294   Deutsche Telekom AG
       3215      340       3025         108   France Telecom Transpac
       3301      340       1685         305   TeliaNet Sweden
       8866      337        109          22   Bulgarian Telecommunication C
      29049      322         26           3   AzerSat LLC.
       8551      313        288          40   Bezeq International
      
      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     1445       2832         235   UniNet S.A. de C.V. 
      10620      848        193         102   TVCABLE BOGOTA 
      22047      607        302          14   VTR PUNTO NET S.A. 
      16814      594         31          10   NSS, S.A. 
       7303      519        264          74   Telecom Argentina Stet-France
      11830      519        294          42   Instituto Costarricense de El
       6471      443         96          31   ENTEL CHILE S.A. 
      11172      411        102          72   Servicios Alestra S.A de C.V 
       7738      397        794          28   Telecomunicacoes da Bahia S.A
      28573      385        526          25   NET Servicos de Comunicao 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      845         76          34   LINKdotNET AS number
      20858      293         34           3   This AS will be used to conne
       3741      272        858         232   The Internet Solution 
       2018      242        215         142   Tertiary Education Network 
       6713      159        150          15   Itissalat Al-MAGHRIB
      33783      148         10           8   EEPAD TISP TELECOM & INTERNET
      29571      137         15           8   Ci Telecom Autonomous system 
       5536      123          8           9   Internet Egypt Network
       5713      113        507          65   Telkom SA Ltd 
      33776      109          6           3   Starcomms Nigeria Limited
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4315       3669         346   bellsouth.net, inc. 
        209     2656       4151         623   Qwest 
       4323     1816       1049         376   Time Warner Telecom
       1785     1742        717         139   PaeTec Communications, Inc.
       4766     1687       6929         394   Korea Telecom (KIX)
      20115     1592       1426         725   Charter Communications 
      17488     1538        121          98   Hathway IP Over Cable Interne
       8151     1445       2832         235   UniNet S.A. de C.V. 
       7018     1442       5895        1015   AT&T WorldNet Services
       6478     1308        296         501   AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2656        2033      Qwest 
       1785      1742        1603      PaeTec Communications, Inc.
       4323      1816        1440      Time Warner Telecom
      17488      1538        1440      Hathway IP Over Cable Interne
       4766      1687        1293      Korea Telecom (KIX)
       8452      1232        1225      TEDATA
       8151      1445        1210      UniNet S.A. de C.V. 
      11492      1202        1191      Cable One 
      18566      1061        1051      Covad Communications 
       4755      1179        1000      TATA Communications formerly 
      
      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   12.39.159.0/24        7018       AT&T WorldNet Servic
      32326   UNALLOCATED   12.40.49.0/24         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
      24.75.116.0/22       10796     ServiceCo LLC - Road Runner 
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      41.220.16.0/20        8668     TelOne Zimbabwe P/L
      41.223.112.0/22       5713     Telkom SA Ltd 
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       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       /9:10      /10:20      /11:56      /12:163     
      /13:333     /14:590     /15:1147    /16:10411   /17:4658    /18:8021    
      /19:17048   /20:20269   /21:19962   /22:25500   /23:25315   /24:148796  
      /25:645     /26:792     /27:352     /28:119     /29:37      /30:9       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2805          4315      bellsouth.net, inc. 
       4766     1390          1687      Korea Telecom (KIX)
        209     1358          2656      Qwest 
      17488     1305          1538      Hathway IP Over Cable Interne
       8452     1211          1232      TEDATA
      11492     1155          1202      Cable One 
       1785     1150          1742      PaeTec Communications, Inc.
      18566     1042          1061      Covad Communications 
       2386      965          1263      AT&T Data Communications Serv
       4323      942          1816      Time Warner Telecom
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:13        8:177      12:2207     13:3        15:19       16:3      
        17:4        20:35       24:1100     32:51       38:547      40:96     
        41:1974     43:1        44:2        47:22       52:3        55:2      
        56:3        57:25       58:533      59:621      60:460      61:1109   
        62:1075     63:2032     64:3641     65:2412     66:3605     67:1494   
        68:696      69:2554     70:525      71:140      72:1653     73:2      
        74:1474     75:171      76:310      77:836      78:547      79:311    
        80:969      81:824      82:527      83:412      84:613      85:1020   
        86:397      87:633      88:355      89:1442     90:44       91:2113   
        92:339      93:1129     94:1222     95:822      96:106      97:184    
        98:245      99:17      109:1       110:36      112:92      113:92     
       114:223     115:223     116:1140    117:490     118:286     119:665    
       120:144     121:707     122:1010    123:537     124:954     125:1304   
       128:222     129:227     130:129     131:415     132:74      133:9      
       134:188     135:39      136:241     137:153     138:147     139:77     
       140:421     141:101     142:391     143:327     144:332     145:44     
       146:373     147:150     148:519     149:235     150:143     151:200    
       152:150     153:137     154:11      155:269     156:170     157:299    
       158:129     159:273     160:280     161:134     162:275     163:149    
       164:478     165:533     166:277     167:361     168:680     169:162    
       170:476     171:38      172:10      173:260     174:163     178:1      
       186:8       187:59      188:9       189:325     190:2734    192:5805   
       193:4227    194:3324    195:2661    196:1057    198:3735    199:3319   
       200:5488    201:1361    202:7851    203:8093    204:3792    205:2160   
       206:2384    207:2804    208:3900    209:3437    210:2641    211:1095   
       212:1528    213:1717    214:69      215:26      216:4539    217:1259   
       218:361     219:414     220:1206    221:451     222:280    
      
      End of report