[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, 17 Oct 2009 04:27:17 +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 17 Oct, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              300381
          Prefixes after maximum aggregation:                          140850
          Deaggregation factor:                                          2.13
          Unique aggregates announced to Internet:                     148722
      Total ASes present in the Internet Routing Table:                 32446
          Prefixes per ASN:                                              9.26
      Origin-only ASes present in the Internet Routing Table:           28188
      Origin ASes announcing only one prefix:                           13763
      Transit ASes present in the Internet Routing Table:                4258
      Transit-only ASes present in the Internet Routing Table:            104
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (12026)                               22
      Prefixes from unregistered ASNs in the Routing Table:               565
          Unregistered ASNs in the Routing Table:                         128
      Number of 32-bit ASNs allocated by the RIRs:                        292
      Prefixes from 32-bit ASNs in the Routing Table:                     217
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            192
      Number of addresses announced to Internet:                   2114870368
          Equivalent to 126 /8s, 14 /16s and 92 /24s
          Percentage of available address space announced:               57.1
          Percentage of allocated address space announced:               64.7
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               79.4
      Total number of prefixes smaller than registry allocations:      144438
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    72024
          Total APNIC prefixes after maximum aggregation:               25287
          APNIC Deaggregation factor:                                    2.85
      Prefixes being announced from the APNIC address blocks:           68525
          Unique aggregates announced from the APNIC address blocks:    30332
      APNIC Region origin ASes present in the Internet Routing Table:    3821
          APNIC Prefixes per ASN:                                       17.93
      APNIC Region origin ASes announcing only one prefix:               1041
      APNIC Region transit ASes present in the Internet Routing Table:    586
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              462426016
          Equivalent to 27 /8s, 144 /16s and 15 /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
                             55296-56319, 131072-132095
      APNIC Address Blocks    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, 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:                    126924
          Total ARIN prefixes after maximum aggregation:                66963
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:           101444
          Unique aggregates announced from the ARIN address blocks:     38562
      ARIN Region origin ASes present in the Internet Routing Table:    13302
          ARIN Prefixes per ASN:                                         7.63
      ARIN Region origin ASes announcing only one prefix:                5154
      ARIN Region transit ASes present in the Internet Routing Table:    1309
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:               707408384
          Equivalent to 42 /8s, 42 /16s and 50 /24s
          Percentage of available ARIN address space announced:          62.0
      
      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,  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, 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:                     69231
          Total RIPE prefixes after maximum aggregation:                40421
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            62717
          Unique aggregates announced from the RIPE address blocks:     41918
      RIPE Region origin ASes present in the Internet Routing Table:    13610
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                7088
      RIPE Region transit ASes present in the Internet Routing Table:    2058
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               402187968
          Equivalent to 23 /8s, 248 /16s and 230 /24s
          Percentage of available RIPE address space announced:          74.9
      
      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:                   25837
          Total LACNIC prefixes after maximum aggregation:               6363
          LACNIC Deaggregation factor:                                   4.06
      Prefixes being announced from the LACNIC address blocks:          24132
          Unique aggregates announced from the LACNIC address blocks:   13313
      LACNIC Region origin ASes present in the Internet Routing Table:   1192
          LACNIC Prefixes per ASN:                                      20.24
      LACNIC Region origin ASes announcing only one prefix:               381
      LACNIC Region transit ASes present in the Internet Routing Table:   193
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              67348480
          Equivalent to 4 /8s, 3 /16s and 168 /24s
          Percentage of available LACNIC address space announced:        66.9
      
      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:                   5911
          Total AfriNIC prefixes after maximum aggregation:              1540
          AfriNIC Deaggregation factor:                                  3.84
      Prefixes being announced from the AfriNIC address blocks:          4303
          Unique aggregates announced from the AfriNIC address blocks:   1571
      AfriNIC Region origin ASes present in the Internet Routing Table:   328
          AfriNIC Prefixes per ASN:                                     13.12
      AfriNIC Region origin ASes announcing only one prefix:               99
      AfriNIC Region transit ASes present in the Internet Routing Table:   67
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             12591360
          Equivalent to 0 /8s, 192 /16s and 33 /24s
          Percentage of available AfriNIC address space announced:       37.5
      
      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     1764       6996         458   Korea Telecom (KIX)
      17488     1466        138         143   Hathway IP Over Cable Interne
       4755     1266        292         145   TATA Communications formerly 
       9583     1102         87         531   Sify Limited
       4134     1012      18169         392   CHINANET-BACKBONE
      18101      980        204          33   Reliance Infocom Ltd Internet
       7545      892        199         101   TPG Internet Pty Ltd
       9829      849        661          20   BSNL National Internet Backbo
      17974      789        248          93   PT TELEKOMUNIKASI INDONESIA
      24560      778        286         165   Bharti Airtel Ltd., Telemedia
      
      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     4161       3626         312   bellsouth.net, inc. 
       4323     3704       1037         385   Time Warner Telecom
       1785     1770        714         139   PaeTec Communications, Inc.
       7018     1567       5846        1061   AT&T WorldNet Services
      20115     1487       1481         676   Charter Communications 
       6478     1368        276         419   AT&T Worldnet Services 
       2386     1304        637         943   AT&T Data Communications Serv
       3356     1229      10964         439   Level 3 Communications, LLC 
      11492     1135        208          12   Cable One 
      22773     1114       2604          67   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
      30890      512         94         207   Evolva Telecom
      35805      458         40           5   United Telecom of Georgia
       3292      450       1908         394   TDC Tele Danmark
      12479      429        578           6   Uni2 Autonomous System
        702      420       1822         338   UUNET - Commercial IP service
       9198      393        138          12   Kazakhtelecom Data Network Ad
       8866      358        110          23   Bulgarian Telecommunication C
       3320      356       7068         304   Deutsche Telekom AG
       3301      351       1412         308   TeliaNet Sweden
       3215      349       3144         111   France Telecom Transpac
      
      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     1513       2899         244   UniNet S.A. de C.V. 
      10620     1018        227         100   TVCABLE BOGOTA 
      28573      767        651          87   NET Servicos de Comunicao S.A
       7303      654        346         100   Telecom Argentina Stet-France
      22047      545        302          14   VTR PUNTO NET S.A. 
      11830      475        310          61   Instituto Costarricense de El
      11172      442         99          70   Servicios Alestra S.A de C.V 
      14117      437         29          11   Telefonica del Sur S.A. 
       7738      428        858          29   Telecomunicacoes da Bahia S.A
       6471      421         96          31   ENTEL CHILE 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
       8452      989        188           7   TEDATA
      24863      932         96          67   LINKdotNET AS number
       3741      273        857         234   The Internet Solution 
       2018      191        183         117   Tertiary Education Network 
       6713      176        167          12   Itissalat Al-MAGHRIB
      29571      140         14           6   Ci Telecom Autonomous system 
      33776      124          7          11   Starcomms Nigeria Limited
       5536      122          8          13   Internet Egypt Network
       5713      116        508          67   Telkom SA Ltd 
      24835      108         46           9   RAYA Telecom - Egypt
      
      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     4161       3626         312   bellsouth.net, inc. 
       4323     3704       1037         385   Time Warner Telecom
       1785     1770        714         139   PaeTec Communications, Inc.
       4766     1764       6996         458   Korea Telecom (KIX)
       7018     1567       5846        1061   AT&T WorldNet Services
       8151     1513       2899         244   UniNet S.A. de C.V. 
      20115     1487       1481         676   Charter Communications 
      17488     1466        138         143   Hathway IP Over Cable Interne
       6478     1368        276         419   AT&T Worldnet Services 
       2386     1304        637         943   AT&T Data Communications Serv
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      3704        3319      Time Warner Telecom
       1785      1770        1631      PaeTec Communications, Inc.
      17488      1466        1323      Hathway IP Over Cable Interne
       4766      1764        1306      Korea Telecom (KIX)
       8151      1513        1269      UniNet S.A. de C.V. 
      11492      1135        1123      Cable One 
       4755      1266        1121      TATA Communications formerly 
      18566      1062        1052      Covad Communications 
      22773      1114        1047      Cox Communications, Inc.
       8452       989         982      TEDATA
      
      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
      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
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.189.0/24      26452     Local Communications Networks
      43.245.0.0/16         7502     Internetwork Kyoto
      46.0.0.0/16          12654     RIPE NCC RIS Project
      46.1.0.0/21          12654     RIPE NCC RIS Project
      46.1.24.0/24         12654     RIPE NCC RIS Project
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      
      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      /10:24      /11:63      /12:176     
      /13:357     /14:630     /15:1207    /16:10697   /17:4881    /18:8438    
      /19:17490   /20:21039   /21:21018   /22:27426   /23:26869   /24:157288  
      /25:923     /26:1096    /27:553     /28:153     /29:8       /30:7       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2693          4161      bellsouth.net, inc. 
       4323     2354          3704      Time Warner Telecom
       4766     1437          1764      Korea Telecom (KIX)
       1785     1235          1770      PaeTec Communications, Inc.
      17488     1227          1466      Hathway IP Over Cable Interne
      11492     1058          1135      Cable One 
      18566     1043          1062      Covad Communications 
       9583      954          1102      Sify Limited
      10620      924          1018      TVCABLE BOGOTA 
       7018      923          1567      AT&T WorldNet Services
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:14        8:223      12:2142     13:7        15:22     
        16:3        17:5        20:36       24:1184     32:52       34:2      
        38:603      40:97       41:1749     43:1        44:2        46:1      
        47:20       52:6        55:2        56:2        57:25       58:604    
        59:640      60:440      61:1078     62:1017     63:2006     64:3632   
        65:2383     66:4091     67:1811     68:984      69:2758     70:568    
        71:154      72:1689     73:2        74:1946     75:182      76:358    
        77:863      78:579      79:388      80:905      81:809      82:488    
        83:434      84:525      85:1001     86:377      87:695      88:389    
        89:1516     90:70       91:2602     92:414      93:1228     94:1260   
        95:1130     96:174      97:271      98:346      99:30      109:58     
       110:232     111:455     112:145     113:152     114:265     115:422    
       116:1076    117:550     118:355     119:776     120:131     121:789    
       122:1291    123:780     124:1039    125:1364    128:220     129:220    
       130:131     131:421     132:76      133:10      134:186     135:42     
       136:224     137:170     138:174     139:82      140:437     141:123    
       142:385     143:340     144:368     145:48      146:391     147:172    
       148:548     149:203     150:151     151:176     152:216     153:156    
       154:2       155:271     156:166     157:310     158:90      159:357    
       160:292     161:171     162:279     163:172     164:279     165:512    
       166:476     167:389     168:752     169:163     170:463     171:42     
       172:2       173:397     174:372     175:1       178:1       180:84     
       182:1       186:145     187:175     188:1185    189:604     190:3102   
       192:5763    193:4274    194:3324    195:2755    196:1158    198:3555   
       199:3357    200:5199    201:1364    202:7868    203:8229    204:3921   
       205:2194    206:2403    207:2977    208:3963    209:3484    210:2565   
       211:1135    212:1603    213:1623    214:195     215:39      216:4406   
       217:1327    218:415     219:457     220:1133    221:449     222:312    
      
      
      End of report