[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, 17 Mar 2012 04:57:39 +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 17 Mar, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              401129
          Prefixes after maximum aggregation:                          170803
          Deaggregation factor:                                          2.35
          Unique aggregates announced to Internet:                     194695
      Total ASes present in the Internet Routing Table:                 40373
          Prefixes per ASN:                                              9.94
      Origin-only ASes present in the Internet Routing Table:           32891
      Origin ASes announcing only one prefix:                           15486
      Transit ASes present in the Internet Routing Table:                5406
      Transit-only ASes present in the Internet Routing Table:            141
      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:               407
          Unregistered ASNs in the Routing Table:                         187
      Number of 32-bit ASNs allocated by the RIRs:                       2322
      Number of 32-bit ASNs visible in the Routing Table:                2076
      Prefixes from 32-bit ASNs in the Routing Table:                    5015
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            687
      Number of addresses announced to Internet:                   2526912912
          Equivalent to 150 /8s, 157 /16s and 161 /24s
          Percentage of available address space announced:               68.2
          Percentage of allocated address space announced:               68.2
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               92.1
      Total number of prefixes smaller than registry allocations:      170384
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    98366
          Total APNIC prefixes after maximum aggregation:               31927
          APNIC Deaggregation factor:                                    3.08
      Prefixes being announced from the APNIC address blocks:           94757
          Unique aggregates announced from the APNIC address blocks:    39280
      APNIC Region origin ASes present in the Internet Routing Table:    4667
          APNIC Prefixes per ASN:                                       20.30
      APNIC Region origin ASes announcing only one prefix:               1233
      APNIC Region transit ASes present in the Internet Routing Table:    728
      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:    165
      Number of APNIC addresses announced to Internet:              640873312
          Equivalent to 38 /8s, 50 /16s and 243 /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:                    148801
          Total ARIN prefixes after maximum aggregation:                75607
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           120341
          Unique aggregates announced from the ARIN address blocks:     49824
      ARIN Region origin ASes present in the Internet Routing Table:    14938
          ARIN Prefixes per ASN:                                         8.06
      ARIN Region origin ASes announcing only one prefix:                5674
      ARIN Region transit ASes present in the Internet Routing Table:    1573
      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:               806524160
          Equivalent to 48 /8s, 18 /16s and 149 /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,  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:                    100879
          Total RIPE prefixes after maximum aggregation:                52925
          RIPE Deaggregation factor:                                     1.91
      Prefixes being announced from the RIPE address blocks:            92343
          Unique aggregates announced from the RIPE address blocks:     57046
      RIPE Region origin ASes present in the Internet Routing Table:    16347
          RIPE Prefixes per ASN:                                         5.65
      RIPE Region origin ASes announcing only one prefix:                7976
      RIPE Region transit ASes present in the Internet Routing Table:    2618
      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:    1415
      Number of RIPE addresses announced to Internet:               502120968
          Equivalent to 29 /8s, 237 /16s and 194 /24s
          Percentage of available RIPE address space announced:          80.9
      
      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, 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:                   39029
          Total LACNIC prefixes after maximum aggregation:               8078
          LACNIC Deaggregation factor:                                   4.83
      Prefixes being announced from the LACNIC address blocks:          38752
          Unique aggregates announced from the LACNIC address blocks:   19591
      LACNIC Region origin ASes present in the Internet Routing Table:   1572
          LACNIC Prefixes per ASN:                                      24.65
      LACNIC Region origin ASes announcing only one prefix:               438
      LACNIC Region transit ASes present in the Internet Routing Table:   289
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   476
      Number of LACNIC addresses announced to Internet:              98357384
          Equivalent to 5 /8s, 220 /16s and 208 /24s
          Percentage of available LACNIC address space announced:        65.1
      
      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:                   8782
          Total AfriNIC prefixes after maximum aggregation:              2113
          AfriNIC Deaggregation factor:                                  4.16
      Prefixes being announced from the AfriNIC address blocks:          6876
          Unique aggregates announced from the AfriNIC address blocks:   2175
      AfriNIC Region origin ASes present in the Internet Routing Table:   522
          AfriNIC Prefixes per ASN:                                     13.17
      AfriNIC Region origin ASes announcing only one prefix:              165
      AfriNIC Region transit ASes present in the Internet Routing Table:  116
      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:    5
      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     2492      11110         994   Korea Telecom (KIX)
      17974     1744        503          36   PT TELEKOMUNIKASI INDONESIA
       7545     1652        303          87   TPG Internet Pty Ltd
       4755     1569        386         160   TATA Communications formerly 
       9583     1202         91         509   Sify Limited
       9829     1189       1001          30   BSNL National Internet Backbo
       7552     1162       1062          11   Vietel Corporation
       4808     1095       2048         312   CNCGROUP IP network: China169
      24560     1012        384         166   Bharti Airtel Ltd., Telemedia
      18101      948        130         160   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
       7029     3395       1006         158   Windstream Communications Inc
       6389     3384       3807         198   bellsouth.net, inc. 
      18566     2091        382         177   Covad Communications 
       1785     1882        680         127   PaeTec Communications, Inc.
      20115     1631       1558         628   Charter Communications 
       4323     1603       1060         382   Time Warner Telecom
      22773     1547       2910         111   Cox Communications, Inc.
      30036     1396        252         747   Mediacom Communications Corp 
       7018     1275       9776         835   AT&T WorldNet Services
      11492     1164        212         415   Cable One 
      
      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     1779        544          16   Corbina telecom
       2118     1427         97          13   EUnet/RELCOM Autonomous Syste
      15557     1089       2247          55   LDCOM NETWORKS
      34984      664        188         172   BILISIM TELEKOM
       6830      641       1943         412   UPC Distribution Services
      12479      638        653          67   Uni2 Autonomous System
      20940      628        201         487   Akamai Technologies European 
       8551      575        360          81   Bezeq International
      31148      539         37           9   FreeNet ISP
       3320      533       8442         399   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     1789        328         143   TVCABLE BOGOTA 
      28573     1721       1094          58   NET Servicos de Comunicao S.A
       8151     1484       3015         348   UniNet S.A. de C.V. 
       7303     1330        823         185   Telecom Argentina Stet-France
      26615      900        676          30   Tim Brasil S.A.
      27947      680         68         108   Telconet S.A
      11172      635         91          73   Servicios Alestra S.A de C.V 
      22047      584        326          15   VTR PUNTO NET S.A. 
       3816      559        240          89   Empresa Nacional de Telecomun
       6503      559        418          65   AVANTEL, S.A. 
      
      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     1258        958          13   TEDATA
      24863      842        274          37   LINKdotNET AS number
       6713      489        649          18   Itissalat Al-MAGHRIB
       3741      271        923         228   The Internet Solution 
      15706      227         32           6   Sudatel Internet Exchange Aut
      12258      197         28          62   Vodacom Internet Company 
      24835      182         80           8   RAYA Telecom - Egypt
      33776      158         12          25   Starcomms Nigeria Limited
      36923      157         20           4   Swift Networks Limited
      29571      153         15          16   Ci Telecom Autonomous system 
      
      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
       7029     3395       1006         158   Windstream Communications Inc
       6389     3384       3807         198   bellsouth.net, inc. 
       4766     2492      11110         994   Korea Telecom (KIX)
      18566     2091        382         177   Covad Communications 
       1785     1882        680         127   PaeTec Communications, Inc.
      10620     1789        328         143   TVCABLE BOGOTA 
       8402     1779        544          16   Corbina telecom
      17974     1744        503          36   PT TELEKOMUNIKASI INDONESIA
      28573     1721       1094          58   NET Servicos de Comunicao S.A
       7545     1652        303          87   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
       6389      3384        3186      bellsouth.net, inc. 
      18566      2091        1914      Covad Communications 
       8402      1779        1763      Corbina telecom
       1785      1882        1755      PaeTec Communications, Inc.
      17974      1744        1708      PT TELEKOMUNIKASI INDONESIA
      28573      1721        1663      NET Servicos de Comunicao S.A
      10620      1789        1646      TVCABLE BOGOTA 
       7545      1652        1565      TPG Internet Pty Ltd
       4766      2492        1498      Korea Telecom (KIX)
      22773      1547        1436      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
      14.192.8.0/22        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         54500     EGIHosting
      23.27.16.0/20        54500     EGIHosting
      23.27.32.0/20        54500     EGIHosting
      
      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      /12:235     
      /13:458     /14:821     /15:1475    /16:12185   /17:6236    /18:10418   
      /19:20518   /20:28618   /21:29535   /22:40003   /23:37293   /24:209464  
      /25:1218    /26:1453    /27:794     /28:169     /29:60      /30:17      
      /31:0       /32:19      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     3051          3395      Windstream Communications Inc
       6389     2092          3384      bellsouth.net, inc. 
      18566     2040          2091      Covad Communications 
       8402     1756          1779      Corbina telecom
      10620     1686          1789      TVCABLE BOGOTA 
      30036     1345          1396      Mediacom Communications Corp 
      11492     1127          1164      Cable One 
       8452     1068          1258      TEDATA
       1785     1065          1882      PaeTec Communications, Inc.
       7011     1038          1152      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:531       2:798       4:14        6:3         8:394      12:1972   
        13:1        14:599      15:11       16:3        17:7        20:8      
        23:144      24:1753     27:1239     31:956      32:62       33:2      
        34:2        36:8        37:259      38:777      40:122      41:3013   
        42:128      44:3        46:1421     47:3        49:342      50:515    
        52:13       54:5        55:10       56:3        57:38       58:953    
        59:495      60:278      61:1191     62:978      63:2014     64:4163   
        65:2285     66:4487     67:2000     68:1159     69:3170     70:900    
        71:389      72:1779     74:2583     75:490      76:319      77:968    
        78:979      79:497      80:1218     81:891      82:633      83:547    
        84:596      85:1186     86:726      87:910      88:335      89:1565   
        90:288      91:4598     92:517      93:1454     94:1393     95:1125   
        96:375      97:316      98:818      99:38      100:6       101:203    
       103:901     106:64      107:173     108:204     109:1531    110:746    
       111:881     112:441     113:562     114:617     115:776     116:868    
       117:723     118:906     119:1203    120:336     121:690     122:1626   
       123:1088    124:1364    125:1274    128:547     129:190     130:263    
       131:595     132:170     133:21      134:239     135:63      136:212    
       137:185     138:275     139:145     140:493     141:241     142:389    
       143:418     144:500     145:69      146:490     147:240     148:724    
       149:300     150:158     151:176     152:455     153:171     154:7      
       155:430     156:213     157:379     158:163     159:521     160:327    
       161:246     162:341     163:185     164:533     165:393     166:563    
       167:462     168:803     169:148     170:842     171:121     172:4      
       173:1715    174:596     175:434     176:416     177:553     178:1286   
       180:1132    181:73      182:793     183:284     184:445     185:1      
       186:2114    187:843     188:1060    189:1208    190:5534    192:5989   
       193:5588    194:4562    195:3639    196:1280    197:170     198:3616   
       199:4453    200:5750    201:1646    202:8431    203:8592    204:4347   
       205:2458    206:2720    207:2797    208:4073    209:3586    210:2764   
       211:1463    212:1966    213:1877    214:861     215:105     216:5053   
       217:1522    218:540     219:339     220:1231    221:552     222:324    
       223:325    
      
      End of report