[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, sanog at sanog dot org, pacnog at pacnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 3 Mar 2012 04:56:35 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      
      The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
      TRNOG, CaribNOG and the RIPE Routing Working Group.
      
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.rand.apnic.net.
      
      If you have any comments please contact Philip Smith <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 03 Mar, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              398919
          Prefixes after maximum aggregation:                          170354
          Deaggregation factor:                                          2.34
          Unique aggregates announced to Internet:                     193894
      Total ASes present in the Internet Routing Table:                 40219
          Prefixes per ASN:                                              9.92
      Origin-only ASes present in the Internet Routing Table:           32806
      Origin ASes announcing only one prefix:                           15513
      Transit ASes present in the Internet Routing Table:                5413
      Transit-only ASes present in the Internet Routing Table:            143
      Average AS path length visible in the Internet Routing Table:       4.4
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:               339
          Unregistered ASNs in the Routing Table:                         146
      Number of 32-bit ASNs allocated by the RIRs:                       2307
      Number of 32-bit ASNs visible in the Routing Table:                2000
      Prefixes from 32-bit ASNs in the Routing Table:                    4712
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            424
      Number of addresses announced to Internet:                   2523361040
          Equivalent to 150 /8s, 103 /16s and 111 /24s
          Percentage of available address space announced:               68.1
          Percentage of allocated address space announced:               68.1
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               92.0
      Total number of prefixes smaller than registry allocations:      169546
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    98087
          Total APNIC prefixes after maximum aggregation:               31882
          APNIC Deaggregation factor:                                    3.08
      Prefixes being announced from the APNIC address blocks:           94440
          Unique aggregates announced from the APNIC address blocks:    39376
      APNIC Region origin ASes present in the Internet Routing Table:    4666
          APNIC Prefixes per ASN:                                       20.24
      APNIC Region origin ASes announcing only one prefix:               1237
      APNIC Region transit ASes present in the Internet Routing Table:    742
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    157
      Number of APNIC addresses announced to Internet:              641101792
          Equivalent to 38 /8s, 54 /16s and 111 /24s
          Percentage of available APNIC address space announced:         81.3
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                             58368-59391, 131072-132095, 132096-133119
      APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                              49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                             106/8, 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, 223/8,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    148580
          Total ARIN prefixes after maximum aggregation:                75492
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           120266
          Unique aggregates announced from the ARIN address blocks:     49674
      ARIN Region origin ASes present in the Internet Routing Table:    14926
          ARIN Prefixes per ASN:                                         8.06
      ARIN Region origin ASes announcing only one prefix:                5685
      ARIN Region transit ASes present in the Internet Routing Table:    1571
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          22
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      15
      Number of ARIN addresses announced to Internet:               805413120
          Equivalent to 48 /8s, 1 /16s and 161 /24s
          Percentage of available ARIN address space announced:          64.0
      
      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,  23/8,  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,
                              53/8,  54/8,  55/8,  56/8,  57/8,  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, 100/8, 104/8, 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:                     99868
          Total RIPE prefixes after maximum aggregation:                52724
          RIPE Deaggregation factor:                                     1.89
      Prefixes being announced from the RIPE address blocks:            91478
          Unique aggregates announced from the RIPE address blocks:     56727
      RIPE Region origin ASes present in the Internet Routing Table:    16343
          RIPE Prefixes per ASN:                                         5.60
      RIPE Region origin ASes announcing only one prefix:                7994
      RIPE Region transit ASes present in the Internet Routing Table:    2621
      Average RIPE Region AS path length visible:                         4.7
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1391
      Number of RIPE addresses announced to Internet:               501247240
          Equivalent to 29 /8s, 224 /16s and 109 /24s
          Percentage of available RIPE address space announced:          80.7
      
      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, 56320-58367
                             196608-198655
      RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  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,
                             176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
                             213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   38718
          Total LACNIC prefixes after maximum aggregation:               8058
          LACNIC Deaggregation factor:                                   4.80
      Prefixes being announced from the LACNIC address blocks:          38269
          Unique aggregates announced from the LACNIC address blocks:   19523
      LACNIC Region origin ASes present in the Internet Routing Table:   1553
          LACNIC Prefixes per ASN:                                      24.64
      LACNIC Region origin ASes announcing only one prefix:               428
      LACNIC Region transit ASes present in the Internet Routing Table:   276
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   434
      Number of LACNIC addresses announced to Internet:              97556872
          Equivalent to 5 /8s, 208 /16s and 153 /24s
          Percentage of available LACNIC address space announced:        64.6
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                             200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   8763
          Total AfriNIC prefixes after maximum aggregation:              2091
          AfriNIC Deaggregation factor:                                  4.19
      Prefixes being announced from the AfriNIC address blocks:          6769
          Unique aggregates announced from the AfriNIC address blocks:   2141
      AfriNIC Region origin ASes present in the Internet Routing Table:   518
          AfriNIC Prefixes per ASN:                                     13.07
      AfriNIC Region origin ASes announcing only one prefix:              169
      AfriNIC Region transit ASes present in the Internet Routing Table:  121
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       25
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    3
      Number of AfriNIC addresses announced to Internet:             31557120
          Equivalent to 1 /8s, 225 /16s and 134 /24s
          Percentage of available AfriNIC address space announced:       47.0
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 102/8, 105/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     2486      11107         988   Korea Telecom (KIX)
      17974     1732        503          37   PT TELEKOMUNIKASI INDONESIA
       7545     1645        303          85   TPG Internet Pty Ltd
       4755     1559        385         157   TATA Communications formerly 
       9829     1182        997          29   BSNL National Internet Backbo
       7552     1154       1062          11   Vietel Corporation
       4808     1146       2101         316   CNCGROUP IP network: China169
       9583     1131         83         481   Sify Limited
      24560     1012        385         167   Bharti Airtel Ltd., Telemedia
      18101      949        130         155   Reliance Infocom Ltd Internet
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3432       3807         199   bellsouth.net, inc. 
       7029     3418       1014         159   Windstream Communications Inc
      18566     2090        382         177   Covad Communications 
       1785     1874        680         127   PaeTec Communications, Inc.
      20115     1631       1550         632   Charter Communications 
       4323     1611       1059         384   Time Warner Telecom
      22773     1538       2910         110   Cox Communications, Inc.
      30036     1408        254         742   Mediacom Communications Corp 
      19262     1389       4703         398   Verizon Global Networks 
       7018     1284       6962         842   AT&T WorldNet Services
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8402     1860        544          16   Corbina telecom
       2118     1421         97          13   EUnet/RELCOM Autonomous Syste
      15557     1088       2184          60   LDCOM NETWORKS
      34984      657        188         171   BILISIM TELEKOM
       6830      642       1927         413   UPC Distribution Services
      20940      633        203         482   Akamai Technologies European 
      12479      610        644          55   Uni2 Autonomous System
       8551      599        360          81   Bezeq International
      31148      540         37           9   FreeNet ISP
       3320      532       8442         398   Deutsche Telekom AG
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      10620     1758        325         169   TVCABLE BOGOTA 
      28573     1672       1089          60   NET Servicos de Comunicao S.A
       8151     1486       3013         346   UniNet S.A. de C.V. 
       7303     1328        822         186   Telecom Argentina Stet-France
      26615      881        664          33   Tim Brasil S.A.
      27947      667         68         107   Telconet S.A
      11172      634         91          72   Servicios Alestra S.A de C.V 
      22047      581        322          17   VTR PUNTO NET S.A. 
       6503      573        418          66   AVANTEL, S.A. 
       3816      561        240          89   Empresa Nacional de Telecomun
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452     1249        958          13   TEDATA
      24863      834        274          37   LINKdotNET AS number
       6713      490        649          18   Itissalat Al-MAGHRIB
       3741      277        923         228   The Internet Solution 
      15706      227         32           6   Sudatel Internet Exchange Aut
      29571      211         16          10   Ci Telecom Autonomous system 
      12258      197         28          62   Vodacom Internet Company 
      24835      194         80           8   RAYA Telecom - Egypt
      33776      169         12          16   Starcomms Nigeria Limited
      36923      157         20           4   Swift Networks Limited
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3432       3807         199   bellsouth.net, inc. 
       7029     3418       1014         159   Windstream Communications Inc
       4766     2486      11107         988   Korea Telecom (KIX)
      18566     2090        382         177   Covad Communications 
       1785     1874        680         127   PaeTec Communications, Inc.
       8402     1860        544          16   Corbina telecom
      10620     1758        325         169   TVCABLE BOGOTA 
      17974     1732        503          37   PT TELEKOMUNIKASI INDONESIA
      28573     1672       1089          60   NET Servicos de Comunicao S.A
       7545     1645        303          85   TPG Internet Pty Ltd
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7029      3418        3259      Windstream Communications Inc
      18566      2090        1913      Covad Communications 
       8402      1860        1844      Corbina telecom
       1785      1874        1747      PaeTec Communications, Inc.
      17974      1732        1695      PT TELEKOMUNIKASI INDONESIA
      28573      1672        1612      NET Servicos de Comunicao S.A
      10620      1758        1589      TVCABLE BOGOTA 
       7545      1645        1560      TPG Internet Pty Ltd
       4766      2486        1498      Korea Telecom (KIX)
      22773      1538        1428      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
      25639   UNALLOCATED  12.41.169.0/24        7018       AT&T WorldNet Servic
      13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic
      23502   UNALLOCATED  12.44.44.0/24         7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.103.0/24        7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.110.0/24         701       UUNET Technologies, 
      16476   UNALLOCATED  12.46.27.0/24         7018       AT&T WorldNet Servic
      32873   UNALLOCATED  12.46.100.0/23       10912       InterNAP Network Ser
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      128.0.0.0/21         12654     RIPE NCC RIS Project
      128.0.24.0/24        12654     RIPE NCC RIS Project
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      14.192.0.0/22        45464     Room 201, TGU Bldg
      14.192.4.0/22        45464     Room 201, TGU Bldg
      14.192.8.0/22        45464     Room 201, TGU Bldg
      14.192.12.0/22       45464     Room 201, TGU Bldg
      14.192.16.0/22       45464     Room 201, TGU Bldg
      14.192.20.0/22       45464     Room 201, TGU Bldg
      14.192.24.0/22       45464     Room 201, TGU Bldg
      14.192.28.0/22       45464     Room 201, TGU Bldg
      23.27.0.0/20         18779     Guru.com 
      23.27.0.0/16         18779     Guru.com 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:12      /10:28      /11:81      /12:233     
      /13:458     /14:817     /15:1474    /16:12170   /17:6223    /18:10408   
      /19:20448   /20:28449   /21:29230   /22:39750   /23:37074   /24:208355  
      /25:1204    /26:1441    /27:784     /28:170     /29:58      /30:14      
      /31:0       /32:19      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     3073          3418      Windstream Communications Inc
       6389     2106          3432      bellsouth.net, inc. 
      18566     2039          2090      Covad Communications 
       8402     1838          1860      Corbina telecom
      10620     1655          1758      TVCABLE BOGOTA 
      30036     1358          1408      Mediacom Communications Corp 
      11492     1124          1161      Cable One 
       1785     1064          1874      PaeTec Communications, Inc.
       8452     1059          1249      TEDATA
       7011     1040          1156      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:522       2:783       4:14        6:3         8:390      12:1964   
        13:1        14:605      15:11       16:3        17:7        20:8      
        23:135      24:1738     27:1204     31:986      32:65       33:2      
        34:2        36:9        37:217      38:779      40:116      41:2938   
        42:120      44:3        46:1382     47:3        49:334      50:510    
        52:13       54:5        55:9        56:3        57:38       58:967    
        59:497      60:287      61:1197     62:976      63:2009     64:4116   
        65:2283     66:4468     67:2035     68:1165     69:3154     70:909    
        71:409      72:1789     74:2646     75:470      76:319      77:975    
        78:968      79:492      80:1211     81:885      82:625      83:540    
        84:586      85:1160     86:723      87:913      88:334      89:1563   
        90:284      91:4531     92:515      93:1401     94:1374     95:1120   
        96:421      97:315      98:819      99:38      100:5       101:153    
       103:856     106:64      107:166     108:179     109:1529    110:723    
       111:867     112:435     113:528     114:606     115:792     116:869    
       117:710     118:905     119:1261    120:362     121:727     122:1620   
       123:1079    124:1340    125:1323    128:536     129:190     130:262    
       131:591     132:165     133:21      134:234     135:62      136:212    
       137:184     138:268     139:145     140:493     141:265     142:392    
       143:406     144:513     145:69      146:484     147:251     148:724    
       149:300     150:158     151:198     152:448     153:171     154:7      
       155:382     156:212     157:370     158:162     159:518     160:322    
       161:245     162:343     163:187     164:530     165:395     166:560    
       167:458     168:810     169:148     170:839     171:119     172:4      
       173:1706    174:597     175:420     176:529     177:483     178:1281   
       180:1193    181:68      182:746     183:284     184:437     185:1      
       186:2015    187:830     188:1058    189:1173    190:5469    192:5988   
       193:5572    194:4354    195:3404    196:1295    197:167     198:3631   
       199:4425    200:5722    201:1757    202:8385    203:8662    204:4359   
       205:2446    206:2745    207:2796    208:4059    209:3560    210:2758   
       211:1476    212:1986    213:1867    214:836     215:102     216:5022   
       217:1509    218:549     219:334     220:1231    221:564     222:322    
       223:319    
      
      End of report