[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, 10 Mar 2012 04:56:26 +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 10 Mar, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              400226
          Prefixes after maximum aggregation:                          170764
          Deaggregation factor:                                          2.34
          Unique aggregates announced to Internet:                     194744
      Total ASes present in the Internet Routing Table:                 40315
          Prefixes per ASN:                                              9.93
      Origin-only ASes present in the Internet Routing Table:           32840
      Origin ASes announcing only one prefix:                           15490
      Transit ASes present in the Internet Routing Table:                5414
      Transit-only ASes present in the Internet Routing Table:            144
      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:               369
          Unregistered ASNs in the Routing Table:                         162
      Number of 32-bit ASNs allocated by the RIRs:                       2313
      Number of 32-bit ASNs visible in the Routing Table:                2061
      Prefixes from 32-bit ASNs in the Routing Table:                    4921
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            561
      Number of addresses announced to Internet:                   2525381776
          Equivalent to 150 /8s, 134 /16s and 68 /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:               92.1
      Total number of prefixes smaller than registry allocations:      170161
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    98128
          Total APNIC prefixes after maximum aggregation:               31878
          APNIC Deaggregation factor:                                    3.08
      Prefixes being announced from the APNIC address blocks:           94515
          Unique aggregates announced from the APNIC address blocks:    39432
      APNIC Region origin ASes present in the Internet Routing Table:    4670
          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:    735
      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:    164
      Number of APNIC addresses announced to Internet:              640794208
          Equivalent to 38 /8s, 49 /16s and 190 /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:                    149018
          Total ARIN prefixes after maximum aggregation:                75689
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           120522
          Unique aggregates announced from the ARIN address blocks:     49856
      ARIN Region origin ASes present in the Internet Routing Table:    14928
          ARIN Prefixes per ASN:                                         8.07
      ARIN Region origin ASes announcing only one prefix:                5667
      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:               806485760
          Equivalent to 48 /8s, 17 /16s and 255 /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:                    100333
          Total RIPE prefixes after maximum aggregation:                52819
          RIPE Deaggregation factor:                                     1.90
      Prefixes being announced from the RIPE address blocks:            91871
          Unique aggregates announced from the RIPE address blocks:     56921
      RIPE Region origin ASes present in the Internet Routing Table:    16335
          RIPE Prefixes per ASN:                                         5.62
      RIPE Region origin ASes announcing only one prefix:                7986
      RIPE Region transit ASes present in the Internet Routing Table:    2623
      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:    1406
      Number of RIPE addresses announced to Internet:               501532936
          Equivalent to 29 /8s, 228 /16s and 201 /24s
          Percentage of available RIPE address space announced:          80.8
      
      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:                   38950
          Total LACNIC prefixes after maximum aggregation:               8158
          LACNIC Deaggregation factor:                                   4.77
      Prefixes being announced from the LACNIC address blocks:          38648
          Unique aggregates announced from the LACNIC address blocks:   19684
      LACNIC Region origin ASes present in the Internet Routing Table:   1573
          LACNIC Prefixes per ASN:                                      24.57
      LACNIC Region origin ASes announcing only one prefix:               434
      LACNIC Region transit ASes present in the Internet Routing Table:   285
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        27
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   472
      Number of LACNIC addresses announced to Internet:              98090376
          Equivalent to 5 /8s, 216 /16s and 189 /24s
          Percentage of available LACNIC address space announced:        65.0
      
      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:                   8653
          Total AfriNIC prefixes after maximum aggregation:              2097
          AfriNIC Deaggregation factor:                                  4.13
      Prefixes being announced from the AfriNIC address blocks:          6739
          Unique aggregates announced from the AfriNIC address blocks:   2164
      AfriNIC Region origin ASes present in the Internet Routing Table:   518
          AfriNIC Prefixes per ASN:                                     13.01
      AfriNIC Region origin ASes announcing only one prefix:              166
      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:    4
      Number of AfriNIC addresses announced to Internet:             31553792
          Equivalent to 1 /8s, 225 /16s and 121 /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     2494      11109         994   Korea Telecom (KIX)
      17974     1735        503          37   PT TELEKOMUNIKASI INDONESIA
       7545     1647        303          86   TPG Internet Pty Ltd
       4755     1568        386         158   TATA Communications formerly 
       9583     1236         93         525   Sify Limited
       9829     1187       1001          30   BSNL National Internet Backbo
       7552     1160       1062          11   Vietel Corporation
       4808     1093       2048         311   CNCGROUP IP network: China169
      24560     1005        383         166   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
       7029     3418       1014         159   Windstream Communications Inc
       6389     3405       3807         198   bellsouth.net, inc. 
      18566     2091        382         177   Covad Communications 
       1785     1881        680         128   PaeTec Communications, Inc.
      20115     1635       1555         634   Charter Communications 
       4323     1608       1059         383   Time Warner Telecom
      22773     1544       2910         111   Cox Communications, Inc.
      30036     1419        259         758   Mediacom Communications Corp 
      19262     1359       4701         399   Verizon Global Networks 
       7018     1281       9776         841   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     1777        544          16   Corbina telecom
       2118     1421         97          13   EUnet/RELCOM Autonomous Syste
      15557     1087       2184          60   LDCOM NETWORKS
      34984      658        188         171   BILISIM TELEKOM
      20940      641        206         489   Akamai Technologies European 
       6830      640       1927         411   UPC Distribution Services
      12479      640        648          54   Uni2 Autonomous System
       8551      578        360          81   Bezeq International
      31148      540         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     1761        326         160   TVCABLE BOGOTA 
      28573     1688       1092          57   NET Servicos de Comunicao S.A
       8151     1487       3013         348   UniNet S.A. de C.V. 
       7303     1328        822         186   Telecom Argentina Stet-France
      26615      899        676          30   Tim Brasil S.A.
      27947      678         68         110   Telconet S.A
      11172      634         91          72   Servicios Alestra S.A de C.V 
      22047      582        322          17   VTR PUNTO NET S.A. 
       6503      572        418          65   AVANTEL, S.A. 
       3816      558        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     1178        958          13   TEDATA
      24863      801        274          37   LINKdotNET AS number
       6713      489        649          18   Itissalat Al-MAGHRIB
       3741      277        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      161         12          16   Starcomms Nigeria Limited
      36923      157         20           4   Swift Networks Limited
      29571      156         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     3418       1014         159   Windstream Communications Inc
       6389     3405       3807         198   bellsouth.net, inc. 
       4766     2494      11109         994   Korea Telecom (KIX)
      18566     2091        382         177   Covad Communications 
       1785     1881        680         128   PaeTec Communications, Inc.
       8402     1777        544          16   Corbina telecom
      10620     1761        326         160   TVCABLE BOGOTA 
      17974     1735        503          37   PT TELEKOMUNIKASI INDONESIA
      28573     1688       1092          57   NET Servicos de Comunicao S.A
       7545     1647        303          86   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      3405        3207      bellsouth.net, inc. 
      18566      2091        1914      Covad Communications 
       8402      1777        1761      Corbina telecom
       1785      1881        1753      PaeTec Communications, Inc.
      17974      1735        1698      PT TELEKOMUNIKASI INDONESIA
      28573      1688        1631      NET Servicos de Comunicao S.A
      10620      1761        1601      TVCABLE BOGOTA 
       7545      1647        1561      TPG Internet Pty Ltd
       4766      2494        1500      Korea Telecom (KIX)
      22773      1544        1433      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         54500     EGIHosting
      23.27.0.0/16         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     /14:818     /15:1476    /16:12177   /17:6227    /18:10410   
      /19:20464   /20:28564   /21:29360   /22:39917   /23:37110   /24:209174  
      /25:1212    /26:1443    /27:782     /28:169     /29:57      /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     2103          3405      bellsouth.net, inc. 
      18566     2040          2091      Covad Communications 
       8402     1755          1777      Corbina telecom
      10620     1658          1761      TVCABLE BOGOTA 
      30036     1368          1419      Mediacom Communications Corp 
      11492     1125          1162      Cable One 
       1785     1064          1881      PaeTec Communications, Inc.
       7011     1042          1157      Citizens Utilities 
      15557     1034          1087      LDCOM NETWORKS
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:523       2:726       4:14        6:3         8:392      12:1961   
        13:1        14:603      15:12       16:3        17:7        20:8      
        23:142      24:1749     27:1231     31:961      32:62       33:2      
        34:2        36:9        37:237      38:778      40:117      41:2936   
        42:123      44:3        46:1403     47:3        49:339      50:512    
        52:13       54:5        55:12       56:3        57:38       58:953    
        59:497      60:283      61:1190     62:972      63:2011     64:4132   
        65:2281     66:4471     67:2031     68:1158     69:3168     70:917    
        71:423      72:1831     74:2635     75:469      76:320      77:977    
        78:963      79:485      80:1209     81:887      82:630      83:538    
        84:604      85:1185     86:726      87:907      88:334      89:1565   
        90:285      91:4549     92:515      93:1382     94:1369     95:1120   
        96:424      97:316      98:833      99:38      100:5       101:146    
       103:886     106:64      107:171     108:211     109:1532    110:726    
       111:861     112:437     113:536     114:609     115:774     116:870    
       117:712     118:910     119:1261    120:329     121:687     122:1621   
       123:1077    124:1341    125:1341    128:543     129:192     130:260    
       131:591     132:166     133:21      134:236     135:62      136:212    
       137:185     138:275     139:145     140:491     141:266     142:390    
       143:427     144:501     145:68      146:490     147:243     148:725    
       149:300     150:162     151:176     152:448     153:171     154:7      
       155:432     156:212     157:370     158:162     159:518     160:327    
       161:245     162:344     163:186     164:531     165:394     166:564    
       167:461     168:810     169:148     170:848     171:117     172:4      
       173:1716    174:608     175:421     176:547     177:537     178:1285   
       180:1196    181:66      182:769     183:285     184:442     185:1      
       186:2101    187:857     188:1052    189:1207    190:5471    192:5990   
       193:5573    194:4408    195:3611    196:1286    197:168     198:3636   
       199:4443    200:5739    201:1771    202:8389    203:8669    204:4361   
       205:2457    206:2753    207:2794    208:4045    209:3571    210:2754   
       211:1464    212:1956    213:1879    214:871     215:103     216:5041   
       217:1525    218:540     219:333     220:1229    221:555     222:324    
       223:326    
      
      End of report