[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, 21 Nov 2009 05:07:42 +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 21 Nov, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              303515
          Prefixes after maximum aggregation:                          141876
          Deaggregation factor:                                          2.14
          Unique aggregates announced to Internet:                     149990
      Total ASes present in the Internet Routing Table:                 32755
          Prefixes per ASN:                                              9.27
      Origin-only ASes present in the Internet Routing Table:           28465
      Origin ASes announcing only one prefix:                           13890
      Transit ASes present in the Internet Routing Table:                4290
      Transit-only ASes present in the Internet Routing Table:            101
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      39
          Max AS path prepend of ASN (22394)                               36
      Prefixes from unregistered ASNs in the Routing Table:               641
          Unregistered ASNs in the Routing Table:                         131
      Number of 32-bit ASNs allocated by the RIRs:                        325
      Prefixes from 32-bit ASNs in the Routing Table:                     268
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            178
      Number of addresses announced to Internet:                   2135526784
          Equivalent to 127 /8s, 73 /16s and 141 /24s
          Percentage of available address space announced:               57.6
          Percentage of allocated address space announced:               65.3
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               80.1
      Total number of prefixes smaller than registry allocations:      145792
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    72525
          Total APNIC prefixes after maximum aggregation:               25316
          APNIC Deaggregation factor:                                    2.86
      Prefixes being announced from the APNIC address blocks:           69057
          Unique aggregates announced from the APNIC address blocks:    30639
      APNIC Region origin ASes present in the Internet Routing Table:    3873
          APNIC Prefixes per ASN:                                       17.83
      APNIC Region origin ASes announcing only one prefix:               1056
      APNIC Region transit ASes present in the Internet Routing Table:    595
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         22
      Number of APNIC addresses announced to Internet:              471116320
          Equivalent to 28 /8s, 20 /16s and 170 /24s
          Percentage of available APNIC address space announced:         80.2
      
      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    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:                    128091
          Total ARIN prefixes after maximum aggregation:                67322
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:           102319
          Unique aggregates announced from the ARIN address blocks:     38824
      ARIN Region origin ASes present in the Internet Routing Table:    13364
          ARIN Prefixes per ASN:                                         7.66
      ARIN Region origin ASes announcing only one prefix:                5178
      ARIN Region transit ASes present in the Internet Routing Table:    1320
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          39
      Number of ARIN addresses announced to Internet:               731512352
          Equivalent to 43 /8s, 153 /16s and 254 /24s
          Percentage of available ARIN address space announced:          64.1
      
      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
                             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:                     70128
          Total RIPE prefixes after maximum aggregation:                40973
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            63332
          Unique aggregates announced from the RIPE address blocks:     42329
      RIPE Region origin ASes present in the Internet Routing Table:    13789
          RIPE Prefixes per ASN:                                         4.59
      RIPE Region origin ASes announcing only one prefix:                7170
      RIPE Region transit ASes present in the Internet Routing Table:    2068
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               405095104
          Equivalent to 24 /8s, 37 /16s and 66 /24s
          Percentage of available RIPE address space announced:          75.5
      
      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, 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:                   26381
          Total LACNIC prefixes after maximum aggregation:               6416
          LACNIC Deaggregation factor:                                   4.11
      Prefixes being announced from the LACNIC address blocks:          24694
          Unique aggregates announced from the LACNIC address blocks:   13655
      LACNIC Region origin ASes present in the Internet Routing Table:   1209
          LACNIC Prefixes per ASN:                                      20.43
      LACNIC Region origin ASes announcing only one prefix:               389
      LACNIC Region transit ASes present in the Internet Routing Table:   200
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        23
      Number of LACNIC addresses announced to Internet:              68308480
          Equivalent to 4 /8s, 18 /16s and 78 /24s
          Percentage of available LACNIC address space announced:        67.9
      
      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:                   5891
          Total AfriNIC prefixes after maximum aggregation:              1545
          AfriNIC Deaggregation factor:                                  3.81
      Prefixes being announced from the AfriNIC address blocks:          4280
          Unique aggregates announced from the AfriNIC address blocks:   1382
      AfriNIC Region origin ASes present in the Internet Routing Table:   332
          AfriNIC Prefixes per ASN:                                     12.89
      AfriNIC Region origin ASes announcing only one prefix:               97
      AfriNIC Region transit ASes present in the Internet Routing Table:   69
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       16
      Number of AfriNIC addresses announced to Internet:             13490176
          Equivalent to 0 /8s, 205 /16s and 216 /24s
          Percentage of available AfriNIC address space announced:       40.2
      
      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     1775       7507         461   Korea Telecom (KIX)
      17488     1443        143         134   Hathway IP Over Cable Interne
       4755     1277        292         148   TATA Communications formerly 
       4134     1011      19183         392   CHINANET-BACKBONE
       9583      994         73         491   Sify Limited
      18101      983        204          34   Reliance Infocom Ltd Internet
       7545      905        199         100   TPG Internet Pty Ltd
      17974      866        265          61   PT TELEKOMUNIKASI INDONESIA
       9829      846        663          23   BSNL National Internet Backbo
      24560      802        293         174   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     4248       3879         312   bellsouth.net, inc. 
       4323     3739       1054         399   Time Warner Telecom
       1785     1778        714         136   PaeTec Communications, Inc.
       7018     1582       5838        1034   AT&T WorldNet Services
      20115     1518       1483         665   Charter Communications 
       2386     1296        632         932   AT&T Data Communications Serv
       6478     1280        267         368   AT&T Worldnet Services 
       3356     1227      10967         448   Level 3 Communications, LLC 
      11492     1142        222          14   Cable One 
      22773     1121       2600          66   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      514         98         207   Evolva Telecom
       3292      446       1906         391   TDC Tele Danmark
      35805      445         40           5   United Telecom of Georgia
        702      418       1822         336   UUNET - Commercial IP service
       9198      417        138          12   Kazakhtelecom Data Network Ad
       8551      377        354          41   Bezeq International
       8866      367        110          23   Bulgarian Telecommunication C
       3320      357       7067         304   Deutsche Telekom AG
       3215      349       3144         111   France Telecom Transpac
       3301      348       1412         303   TeliaNet Sweden
      
      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     1580       2899         232   UniNet S.A. de C.V. 
      10620     1017        226         110   TVCABLE BOGOTA 
      28573      811        665          87   NET Servicos de Comunicao S.A
       7303      663        349          95   Telecom Argentina Stet-France
      22047      546        302          14   VTR PUNTO NET S.A. 
      11830      473        308          59   Instituto Costarricense de El
      11172      445         99          70   Servicios Alestra S.A de C.V 
      14117      437         29          11   Telefonica del Sur S.A. 
       7738      429        858          29   Telecomunicacoes da Bahia S.A
       6471      423         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     1045        188           7   TEDATA
      24863      756        130          46   LINKdotNET AS number
       3741      274        857         234   The Internet Solution 
       2018      190        188         118   Tertiary Education Network 
       6713      176        167          12   Itissalat Al-MAGHRIB
      29571      132         15           8   Ci Telecom Autonomous system 
      33776      124          7          11   Starcomms Nigeria Limited
      29975      122        506          15   Vodacom
       5536      121          8          18   Internet Egypt Network
       5713      116        508          67   Telkom SA Ltd 
      
      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     4248       3879         312   bellsouth.net, inc. 
       4323     3739       1054         399   Time Warner Telecom
       1785     1778        714         136   PaeTec Communications, Inc.
       4766     1775       7507         461   Korea Telecom (KIX)
       7018     1582       5838        1034   AT&T WorldNet Services
       8151     1580       2899         232   UniNet S.A. de C.V. 
      20115     1518       1483         665   Charter Communications 
      17488     1443        143         134   Hathway IP Over Cable Interne
       2386     1296        632         932   AT&T Data Communications Serv
       6478     1280        267         368   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
       4323      3739        3340      Time Warner Telecom
       1785      1778        1642      PaeTec Communications, Inc.
       8151      1580        1348      UniNet S.A. de C.V. 
       4766      1775        1314      Korea Telecom (KIX)
      17488      1443        1309      Hathway IP Over Cable Interne
       4755      1277        1129      TATA Communications formerly 
      11492      1142        1128      Cable One 
      22773      1121        1055      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
       8452      1045        1038      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<<
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      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      /10:25      /11:65      /12:178     
      /13:361     /14:640     /15:1224    /16:10751   /17:4981    /18:8536    
      /19:17597   /20:21414   /21:21258   /22:27471   /23:27405   /24:158697  
      /25:934     /26:1126    /27:566     /28:229     /29:11      /30:8       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2779          4248      bellsouth.net, inc. 
       4323     2359          3739      Time Warner Telecom
       4766     1440          1775      Korea Telecom (KIX)
       1785     1245          1778      PaeTec Communications, Inc.
      17488     1219          1443      Hathway IP Over Cable Interne
      11492     1064          1142      Cable One 
      18566     1040          1059      Covad Communications 
       7018      946          1582      AT&T WorldNet Services
       8452      945          1045      TEDATA
      10620      922          1017      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:14        8:233      12:2104     13:8        15:22     
        16:3        17:5        20:36       24:1266     32:49       34:2      
        38:619      40:99       41:1803     43:1        44:2        46:1      
        47:21       52:6        55:2        56:2        57:23       58:632    
        59:610      60:444      61:978      62:949      63:1999     64:3686   
        65:2365     66:4077     67:1767     68:1001     69:2799     70:615    
        71:156      72:1752     73:2        74:2000     75:188      76:353    
        77:840      78:576      79:383      80:943      81:813      82:472    
        83:440      84:542      85:1023     86:382      87:693      88:424    
        89:1506     90:56       91:2644     92:427      93:1163     94:1300   
        95:822      96:201      97:273      98:417      99:30      109:164    
       110:285     111:456     112:147     113:174     114:291     115:357    
       116:1085    117:589     118:361     119:800     120:133     121:700    
       122:1302    123:780     124:1056    125:1352    128:222     129:204    
       130:135     131:442     132:82      133:16      134:187     135:43     
       136:232     137:166     138:236     139:84      140:458     141:122    
       142:385     143:343     144:383     145:52      146:394     147:173    
       148:557     149:193     150:148     151:171     152:219     153:160    
       154:2       155:274     156:166     157:313     158:95      159:361    
       160:294     161:174     162:276     163:163     164:278     165:468    
       166:490     167:392     168:751     169:160     170:555     171:43     
       172:1       173:397     174:397     180:184     183:134     184:1      
       186:176     187:179     188:1340    189:647     190:3244    192:5739   
       193:4305    194:3351    195:2749    196:1171    198:3575    199:3380   
       200:5221    201:1396    202:7913    203:8287    204:3960    205:2154   
       206:2407    207:3027    208:3979    209:3430    210:2529    211:1149   
       212:1635    213:1619    214:244     215:57      216:4432    217:1348   
       218:474     219:419     220:1137    221:451     222:300    
      
      End of report