[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, 2 Jan 2010 04:29:31 +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 02 Jan, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              307533
          Prefixes after maximum aggregation:                          143181
          Deaggregation factor:                                          2.15
          Unique aggregates announced to Internet:                     151348
      Total ASes present in the Internet Routing Table:                 33011
          Prefixes per ASN:                                              9.32
      Origin-only ASes present in the Internet Routing Table:           28654
      Origin ASes announcing only one prefix:                           14007
      Transit ASes present in the Internet Routing Table:                4357
      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:                                      24
          Max AS path prepend of ASN (12026)                               22
      Prefixes from unregistered ASNs in the Routing Table:               715
          Unregistered ASNs in the Routing Table:                         132
      Number of 32-bit ASNs allocated by the RIRs:                        383
      Prefixes from 32-bit ASNs in the Routing Table:                     339
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            162
      Number of addresses announced to Internet:                   2167751936
          Equivalent to 129 /8s, 53 /16s and 69 /24s
          Percentage of available address space announced:               58.5
          Percentage of allocated address space announced:               66.3
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               80.5
      Total number of prefixes smaller than registry allocations:      148125
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    74089
          Total APNIC prefixes after maximum aggregation:               25790
          APNIC Deaggregation factor:                                    2.87
      Prefixes being announced from the APNIC address blocks:           70774
          Unique aggregates announced from the APNIC address blocks:    31309
      APNIC Region origin ASes present in the Internet Routing Table:    3905
          APNIC Prefixes per ASN:                                       18.12
      APNIC Region origin ASes announcing only one prefix:               1068
      APNIC Region transit ASes present in the Internet Routing Table:    607
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         22
      Number of APNIC addresses announced to Internet:              486372128
          Equivalent to 28 /8s, 253 /16s and 115 /24s
          Percentage of available APNIC address space announced:         80.5
      
      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, 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:                    129256
          Total ARIN prefixes after maximum aggregation:                67488
          ARIN Deaggregation factor:                                     1.92
      Prefixes being announced from the ARIN address blocks:           103378
          Unique aggregates announced from the ARIN address blocks:     39110
      ARIN Region origin ASes present in the Internet Routing Table:    13433
          ARIN Prefixes per ASN:                                         7.70
      ARIN Region origin ASes announcing only one prefix:                5203
      ARIN Region transit ASes present in the Internet Routing Table:    1329
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:               734383904
          Equivalent to 43 /8s, 197 /16s and 207 /24s
          Percentage of available ARIN address space announced:          64.4
      
      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:                     70759
          Total RIPE prefixes after maximum aggregation:                41424
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            64080
          Unique aggregates announced from the RIPE address blocks:     42712
      RIPE Region origin ASes present in the Internet Routing Table:    13931
          RIPE Prefixes per ASN:                                         4.60
      RIPE Region origin ASes announcing only one prefix:                7257
      RIPE Region transit ASes present in the Internet Routing Table:    2102
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               409348160
          Equivalent to 24 /8s, 102 /16s and 40 /24s
          Percentage of available RIPE address space announced:          76.2
      
      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:                   26903
          Total LACNIC prefixes after maximum aggregation:               6534
          LACNIC Deaggregation factor:                                   4.12
      Prefixes being announced from the LACNIC address blocks:          25272
          Unique aggregates announced from the LACNIC address blocks:   13806
      LACNIC Region origin ASes present in the Internet Routing Table:   1220
          LACNIC Prefixes per ASN:                                      20.71
      LACNIC Region origin ASes announcing only one prefix:               386
      LACNIC Region transit ASes present in the Internet Routing Table:   201
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        23
      Number of LACNIC addresses announced to Internet:              69882624
          Equivalent to 4 /8s, 42 /16s and 83 /24s
          Percentage of available LACNIC address space announced:        69.4
      
      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:                   5961
          Total AfriNIC prefixes after maximum aggregation:              1605
          AfriNIC Deaggregation factor:                                  3.71
      Prefixes being announced from the AfriNIC address blocks:          4352
          Unique aggregates announced from the AfriNIC address blocks:   1561
      AfriNIC Region origin ASes present in the Internet Routing Table:   336
          AfriNIC Prefixes per ASN:                                     12.95
      AfriNIC Region origin ASes announcing only one prefix:               93
      AfriNIC Region transit ASes present in the Internet Routing Table:   70
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       18
      Number of AfriNIC addresses announced to Internet:             14596352
          Equivalent to 0 /8s, 222 /16s and 185 /24s
          Percentage of available AfriNIC address space announced:       43.5
      
      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     1839       7510         477   Korea Telecom (KIX)
      17488     1460        144         142   Hathway IP Over Cable Interne
       4755     1279        289         144   TATA Communications formerly 
       4134     1016      19461         399   CHINANET-BACKBONE
      18101     1010        204          37   Reliance Infocom Ltd Internet
       9583     1000         75         502   Sify Limited
       7545      922        198          96   TPG Internet Pty Ltd
      17974      859        273          61   PT TELEKOMUNIKASI INDONESIA
       9829      853        677          24   BSNL National Internet Backbo
       4808      833       1583         211   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     4166       3891         300   bellsouth.net, inc. 
       4323     3779       1052         399   Time Warner Telecom
       1785     1799        699         133   PaeTec Communications, Inc.
       7018     1589       5791        1030   AT&T WorldNet Services
      20115     1535       1487         667   Charter Communications 
       2386     1291        617         928   AT&T Data Communications Serv
       3356     1203      10929         423   Level 3 Communications, LLC 
      11492     1153        222          14   Cable One 
      22773     1123       2600          66   Cox Communications, Inc.
       6478     1094        241         304   AT&T Worldnet Services 
      
      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      517         98         207   Evolva Telecom
      35805      515         40           5   United Telecom of Georgia
       3292      448       1903         393   TDC Tele Danmark
        702      419       1837         337   UUNET - Commercial IP service
       8551      391        354          40   Bezeq International
       8866      374        110          23   Bulgarian Telecommunication C
       3320      363       7068         309   Deutsche Telekom AG
       3301      351       1412         306   TeliaNet Sweden
       3215      349       3160         112   France Telecom Transpac
       9198      329        202          13   Kazakhtelecom Data Network Ad
      
      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     1572       2898         233   UniNet S.A. de C.V. 
      10620     1005        224         131   TVCABLE BOGOTA 
      28573      829        674          84   NET Servicos de Comunicao S.A
       7303      664        351          98   Telecom Argentina Stet-France
      22047      545        302          14   VTR PUNTO NET S.A. 
      11830      472        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. 
       6503      432        163         178   AVANTEL, S.A. 
       7738      431        858          29   Telecomunicacoes da Bahia 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     1015        444           8   TEDATA
      24863      717        143          53   LINKdotNET AS number
       3741      273        857         233   The Internet Solution 
       2018      178        196         100   Tertiary Education Network 
       6713      176        166          16   Itissalat Al-MAGHRIB
      29571      157         19           9   Ci Telecom Autonomous system 
      29975      134        506          15   Vodacom
      33776      123          7          11   Starcomms Nigeria Limited
       5536      121          8          18   Internet Egypt Network
       5713      114        505          68   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     4166       3891         300   bellsouth.net, inc. 
       4323     3779       1052         399   Time Warner Telecom
       4766     1839       7510         477   Korea Telecom (KIX)
       1785     1799        699         133   PaeTec Communications, Inc.
       7018     1589       5791        1030   AT&T WorldNet Services
       8151     1572       2898         233   UniNet S.A. de C.V. 
      20115     1535       1487         667   Charter Communications 
      17488     1460        144         142   Hathway IP Over Cable Interne
       2386     1291        617         928   AT&T Data Communications Serv
       4755     1279        289         144   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      3779        3380      Time Warner Telecom
       1785      1799        1666      PaeTec Communications, Inc.
       4766      1839        1362      Korea Telecom (KIX)
       8151      1572        1339      UniNet S.A. de C.V. 
      17488      1460        1318      Hathway IP Over Cable Interne
      11492      1153        1139      Cable One 
       4755      1279        1135      TATA Communications formerly 
      22773      1123        1057      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
       8452      1015        1007      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        /8:21       /9:10      /10:25      /11:65      /12:181     
      /13:382     /14:653     /15:1233    /16:10825   /17:5041    /18:8614    
      /19:17705   /20:21604   /21:21482   /22:27858   /23:28034   /24:160868  
      /25:926     /26:1173    /27:582     /28:224     /29:11      /30:8       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2724          4166      bellsouth.net, inc. 
       4323     2368          3779      Time Warner Telecom
       4766     1479          1839      Korea Telecom (KIX)
       1785     1267          1799      PaeTec Communications, Inc.
      17488     1228          1460      Hathway IP Over Cable Interne
      11492     1073          1153      Cable One 
      18566     1040          1059      Covad Communications 
       7018      960          1589      AT&T WorldNet Services
       8452      911          1015      TEDATA
      10620      910          1005      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:13        8:243      12:2011     13:9        15:22     
        16:3        17:8        20:37       24:1291     32:49       38:637    
        40:99       41:1848     44:3        46:1        47:30       52:6      
        55:2        56:2        57:24       58:646      59:619      60:446    
        61:976      62:977      63:2009     64:3793     65:2368     66:4102   
        67:1838     68:1041     69:2837     70:688      71:231      72:1883   
        73:3        74:2075     75:225      76:359      77:873      78:602    
        79:405      80:965      81:802      82:462      83:441      84:508    
        85:1008     86:381      87:688      88:423      89:1549     90:64     
        91:2659     92:425      93:1144     94:1345     95:794      96:195    
        97:289      98:454      99:23      109:203     110:283     111:547    
       112:169     113:224     114:301     115:402     116:1109    117:592    
       118:386     119:810     120:148     121:699     122:1377    123:814    
       124:1025    125:1305    128:212     129:201     130:134     131:459    
       132:85      133:16      134:188     135:41      136:228     137:176    
       138:235     139:81      140:463     141:122     142:375     143:340    
       144:393     145:53      146:387     147:179     148:556     149:196    
       150:146     151:172     152:228     153:162     154:2       155:270    
       156:178     157:330     158:98      159:355     160:306     161:175    
       162:281     163:188     164:309     165:472     166:489     167:393    
       168:761     169:159     170:567     171:42      172:1       173:407    
       174:513     175:21      180:267     183:190     184:3       186:242    
       187:219     188:1121    189:613     190:3430    192:5718    193:4375   
       194:3364    195:2775    196:1197    198:3552    199:3395    200:5248   
       201:1446    202:8058    203:8273    204:3984    205:2173    206:2410   
       207:3053    208:3948    209:3392    210:2525    211:1170    212:1655   
       213:1651    214:250     215:56      216:4428    217:1389    218:477    
       219:422     220:1150    221:455     222:301    
      
      End of report