[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 13 Mar 2010 04:54:36 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 13 Mar, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              313752
          Prefixes after maximum aggregation:                          145168
          Deaggregation factor:                                          2.16
          Unique aggregates announced to Internet:                     153109
      Total ASes present in the Internet Routing Table:                 33516
          Prefixes per ASN:                                              9.36
      Origin-only ASes present in the Internet Routing Table:           29092
      Origin ASes announcing only one prefix:                           14197
      Transit ASes present in the Internet Routing Table:                4424
      Transit-only ASes present in the Internet Routing Table:            100
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      22
          Max AS path prepend of ASN (32374)                               19
      Prefixes from unregistered ASNs in the Routing Table:               947
          Unregistered ASNs in the Routing Table:                         151
      Number of 32-bit ASNs allocated by the RIRs:                        466
      Prefixes from 32-bit ASNs in the Routing Table:                     476
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            212
      Number of addresses announced to Internet:                   2215388000
          Equivalent to 132 /8s, 12 /16s and 35 /24s
          Percentage of available address space announced:               59.8
          Percentage of allocated address space announced:               66.4
          Percentage of available address space allocated:               90.0
          Percentage of address space in use by end-sites:               81.6
      Total number of prefixes smaller than registry allocations:      150584
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    75349
          Total APNIC prefixes after maximum aggregation:               26071
          APNIC Deaggregation factor:                                    2.89
      Prefixes being announced from the APNIC address blocks:           72017
          Unique aggregates announced from the APNIC address blocks:    31871
      APNIC Region origin ASes present in the Internet Routing Table:    3977
          APNIC Prefixes per ASN:                                       18.11
      APNIC Region origin ASes announcing only one prefix:               1085
      APNIC Region transit ASes present in the Internet Routing Table:    618
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              515850304
          Equivalent to 30 /8s, 191 /16s and 64 /24s
          Percentage of available APNIC address space announced:         80.9
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks     1/8,  27/8,  43/8,  58/8,  59/8,  60/8,  61/8,
                             110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8,
                             117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
                             124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8,
                             183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8,
                             220/8, 221/8, 222/8,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    131163
          Total ARIN prefixes after maximum aggregation:                68106
          ARIN Deaggregation factor:                                     1.93
      Prefixes being announced from the ARIN address blocks:           104904
          Unique aggregates announced from the ARIN address blocks:     40002
      ARIN Region origin ASes present in the Internet Routing Table:    13569
          ARIN Prefixes per ASN:                                         7.73
      ARIN Region origin ASes announcing only one prefix:                5254
      ARIN Region transit ASes present in the Internet Routing Table:    1347
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               724169376
          Equivalent to 43 /8s, 41 /16s and 242 /24s
          Percentage of available ARIN address space announced:          61.7
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  24/8,  26/8,  28/8,  29/8,
                              30/8,  32/8,  33/8,  34/8,  35/8,  38/8,  40/8,
                              44/8,  45/8,  47/8,  48/8,  50/8,  52/8,  54/8,
                              55/8,  56/8,  63/8,  64/8,  65/8,  66/8,  67/8,
                              68/8,  69/8,  70/8,  71/8,  72/8,  73/8,  74/8,
                              75/8,  76/8,  96/8,  97/8,  98/8,  99/8, 107/8,
                             108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8,
                             206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                            
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     72102
          Total RIPE prefixes after maximum aggregation:                42129
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            65259
          Unique aggregates announced from the RIPE address blocks:     43052
      RIPE Region origin ASes present in the Internet Routing Table:    14192
          RIPE Prefixes per ASN:                                         4.60
      RIPE Region origin ASes announcing only one prefix:                7351
      RIPE Region transit ASes present in the Internet Routing Table:    2126
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               417961856
          Equivalent to 24 /8s, 233 /16s and 151 /24s
          Percentage of available RIPE address space announced:          77.9
      
      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:                   27820
          Total LACNIC prefixes after maximum aggregation:               6653
          LACNIC Deaggregation factor:                                   4.18
      Prefixes being announced from the LACNIC address blocks:          26166
          Unique aggregates announced from the LACNIC address blocks:   13562
      LACNIC Region origin ASes present in the Internet Routing Table:   1252
          LACNIC Prefixes per ASN:                                      20.90
      LACNIC Region origin ASes announcing only one prefix:               410
      LACNIC Region transit ASes present in the Internet Routing Table:   212
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        17
      Number of LACNIC addresses announced to Internet:              71505152
          Equivalent to 4 /8s, 67 /16s and 21 /24s
          Percentage of available LACNIC address space announced:        71.0
      
      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:                   6608
          Total AfriNIC prefixes after maximum aggregation:              1792
          AfriNIC Deaggregation factor:                                  3.69
      Prefixes being announced from the AfriNIC address blocks:          4946
          Unique aggregates announced from the AfriNIC address blocks:   1432
      AfriNIC Region origin ASes present in the Internet Routing Table:   349
          AfriNIC Prefixes per ASN:                                     14.17
      AfriNIC Region origin ASes announcing only one prefix:               97
      AfriNIC Region transit ASes present in the Internet Routing Table:   77
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       18
      Number of AfriNIC addresses announced to Internet:             14953216
          Equivalent to 0 /8s, 228 /16s and 43 /24s
          Percentage of available AfriNIC address space announced:       44.6
      
      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     1831       8533         469   Korea Telecom (KIX)
      17488     1300        133         134   Hathway IP Over Cable Interne
       4755     1284        287         136   TATA Communications formerly 
      18101     1052        221          41   Reliance Infocom Ltd Internet
       4134     1018      19605         397   CHINANET-BACKBONE
       9583     1000         75         500   Sify Limited
       7545      964        199          99   TPG Internet Pty Ltd
      17974      951        282          18   PT TELEKOMUNIKASI INDONESIA
      24560      841        300         166   Bharti Airtel Ltd., Telemedia
       9829      840        683          24   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     4058       3842         311   bellsouth.net, inc. 
       4323     3788       1084         396   Time Warner Telecom
       1785     1795        698         129   PaeTec Communications, Inc.
       7018     1559       5756        1003   AT&T WorldNet Services
      20115     1534       1494         666   Charter Communications 
       2386     1324        617         933   AT&T Data Communications Serv
       3356     1222      10949         424   Level 3 Communications, LLC 
      11492     1151        222          14   Cable One 
       6478     1146        244         180   AT&T Worldnet Services 
      22773     1129       2604          70   Cox Communications, Inc.
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      35805      587         40           5   United Telecom of Georgia
      30890      451        101         205   Evolva Telecom
       3292      450       1900         392   TDC Tele Danmark
        702      421       1870         333   UUNET - Commercial IP service
       8551      396        353          37   Bezeq International
       8866      392        117          18   Bulgarian Telecommunication C
       3320      363       7072         317   Deutsche Telekom AG
       3301      355       1413         316   TeliaNet Sweden
       3215      347       3206         103   France Telecom Transpac
      12479      330        576           5   Uni2 Autonomous System
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1580       2893         236   UniNet S.A. de C.V. 
      10620     1011        227         154   TVCABLE BOGOTA 
      28573      909        715          86   NET Servicos de Comunicao S.A
       7303      679        359          99   Telecom Argentina Stet-France
      22047      533        310          15   VTR PUNTO NET S.A. 
       6503      498        167         193   AVANTEL, S.A. 
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      11830      474        308          56   Instituto Costarricense de El
      18881      452        268          11   Global Village Telecom 
       3816      449        194          69   Empresa Nacional de Telecomun
      
      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      913        445          10   TEDATA
      24863      709        144          41   LINKdotNET AS number
      36992      573        131         167   Etisalat MISR
       3741      274        853         233   The Internet Solution 
      33776      224         14           8   Starcomms Nigeria Limited
       2018      211        215         121   Tertiary Education Network 
       6713      177        167          12   Itissalat Al-MAGHRIB
      29571      171         19           9   Ci Telecom Autonomous system 
      24835      136         78          11   RAYA Telecom - Egypt
      29975      133        506          14   Vodacom
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4058       3842         311   bellsouth.net, inc. 
       4323     3788       1084         396   Time Warner Telecom
       4766     1831       8533         469   Korea Telecom (KIX)
       1785     1795        698         129   PaeTec Communications, Inc.
       8151     1580       2893         236   UniNet S.A. de C.V. 
       7018     1559       5756        1003   AT&T WorldNet Services
      20115     1534       1494         666   Charter Communications 
       2386     1324        617         933   AT&T Data Communications Serv
      17488     1300        133         134   Hathway IP Over Cable Interne
       4755     1284        287         136   TATA Communications formerly 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      3788        3392      Time Warner Telecom
       1785      1795        1666      PaeTec Communications, Inc.
       4766      1831        1362      Korea Telecom (KIX)
       8151      1580        1344      UniNet S.A. de C.V. 
      17488      1300        1166      Hathway IP Over Cable Interne
       4755      1284        1148      TATA Communications formerly 
      11492      1151        1137      Cable One 
      22773      1129        1059      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
      18101      1052        1011      Reliance Infocom Ltd Internet
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.155.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.159.0/24        7018       AT&T WorldNet Servic
      25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      2.0.0.0/16           12654     RIPE NCC RIS Project
      2.1.0.0/21           12654     RIPE NCC RIS Project
      2.1.24.0/24          12654     RIPE NCC RIS Project
      41.77.236.0/22       23456     32-bit ASN transition
      41.190.64.0/22       28683     Office des Postes et telecomm
      41.202.96.0/19       29571     Ci Telecom Autonomous system 
      41.216.32.0/19       28683     Office des Postes et telecomm
      41.220.144.0/20      36918     ORASCOM TELECOM ALGERIE VSAT
      41.220.159.0/24      36918     ORASCOM TELECOM ALGERIE VSAT
      41.222.79.0/24       36938     Amsco Telecommunications Nige
      
      Complete listing at http://thyme.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:21       /9:10      /10:25      /11:66      /12:188     
      /13:389     /14:666     /15:1232    /16:10973   /17:5173    /18:8739    
      /19:18132   /20:22044   /21:22254   /22:28672   /23:28359   /24:163874  
      /25:931     /26:1162    /27:589     /28:223     /29:14      /30:8       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2626          4058      bellsouth.net, inc. 
       4323     2352          3788      Time Warner Telecom
       4766     1450          1831      Korea Telecom (KIX)
       1785     1258          1795      PaeTec Communications, Inc.
      11492     1061          1151      Cable One 
      17488     1054          1300      Hathway IP Over Cable Interne
      18566     1040          1059      Covad Communications 
       7018      943          1559      AT&T WorldNet Services
      18101      918          1052      Reliance Infocom Ltd Internet
      10620      917          1011      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:12        8:244      12:1981     13:10       15:22     
        16:3        17:8        20:39       24:1360     27:1        32:48     
        38:648      40:100      41:1977     44:3        46:1        47:26     
        52:6        55:2        56:2        57:23       58:644      59:637    
        60:401      61:1095     62:1073     63:1979     64:3831     65:2358   
        66:4152     67:1802     68:1047     69:2843     70:694      71:241    
        72:1871     73:2        74:2137     75:244      76:316      77:826    
        78:568      79:411      80:992      81:767      82:452      83:451    
        84:653      85:1020     86:385      87:679      88:422      89:1533   
        90:77       91:2708     92:435      93:1134     94:1387     95:542    
        96:229      97:305      98:503      99:27      109:417     110:284    
       111:455     112:239     113:246     114:369     115:597     116:1034   
       117:635     118:392     119:935     120:149     121:844     122:1381   
       123:852     124:1072    125:1287    128:208     129:205     130:139    
       131:486     132:219     133:17      134:195     135:45      136:227    
       137:170     138:241     139:93      140:475     141:137     142:379    
       143:349     144:396     145:48      146:413     147:168     148:581    
       149:216     150:151     151:168     152:257     153:167     154:2      
       155:279     156:181     157:324     158:97      159:357     160:307    
       161:178     162:270     163:165     164:311     165:493     166:507    
       167:392     168:788     169:163     170:699     171:46      172:1      
       173:550     174:540     175:61      178:5       180:359     182:29     
       183:230     184:16      186:312     187:218     188:1136    189:698    
       190:3562    192:5720    193:4537    194:3360    195:2796    196:1173   
       198:3550    199:3377    200:5286    201:1484    202:8021    203:8329   
       204:4077    205:2168    206:2513    207:3040    208:3919    209:3451   
       210:2516    211:1193    212:1695    213:1694    214:267     215:61     
       216:4482    217:1507    218:472     219:423     220:1071    221:380    
       222:308    
      
      End of report