[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, 18 Feb 2012 04:55:41 +1000 (EST)
  • Delivered-to: apops at mailman dot apnic dot net
  • List-archive: <http://mailman.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • Reply-to: pfsinoz@gmail.com
    • 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 18 Feb, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              398152
          Prefixes after maximum aggregation:                          169962
          Deaggregation factor:                                          2.34
          Unique aggregates announced to Internet:                     192387
      Total ASes present in the Internet Routing Table:                 40142
          Prefixes per ASN:                                              9.92
      Origin-only ASes present in the Internet Routing Table:           32774
      Origin ASes announcing only one prefix:                           15521
      Transit ASes present in the Internet Routing Table:                5396
      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:               324
          Unregistered ASNs in the Routing Table:                         127
      Number of 32-bit ASNs allocated by the RIRs:                       2284
      Number of 32-bit ASNs visible in the Routing Table:                1972
      Prefixes from 32-bit ASNs in the Routing Table:                    4748
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            225
      Number of addresses announced to Internet:                   2516085584
          Equivalent to 149 /8s, 248 /16s and 107 /24s
          Percentage of available address space announced:               67.9
          Percentage of allocated address space announced:               67.9
          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:      169239
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    98012
          Total APNIC prefixes after maximum aggregation:               31831
          APNIC Deaggregation factor:                                    3.08
      Prefixes being announced from the APNIC address blocks:           94322
          Unique aggregates announced from the APNIC address blocks:    39128
      APNIC Region origin ASes present in the Internet Routing Table:    4661
          APNIC Prefixes per ASN:                                       20.24
      APNIC Region origin ASes announcing only one prefix:               1240
      APNIC Region transit ASes present in the Internet Routing Table:    738
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         24
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    149
      Number of APNIC addresses announced to Internet:              636127072
          Equivalent to 37 /8s, 234 /16s and 135 /24s
          Percentage of available APNIC address space announced:         80.7
      
      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:                    148390
          Total ARIN prefixes after maximum aggregation:                75337
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           120289
          Unique aggregates announced from the ARIN address blocks:     49478
      ARIN Region origin ASes present in the Internet Routing Table:    14911
          ARIN Prefixes per ASN:                                         8.07
      ARIN Region origin ASes announcing only one prefix:                5685
      ARIN Region transit ASes present in the Internet Routing Table:    1565
      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:               805086400
          Equivalent to 47 /8s, 252 /16s and 164 /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:                     99249
          Total RIPE prefixes after maximum aggregation:                52504
          RIPE Deaggregation factor:                                     1.89
      Prefixes being announced from the RIPE address blocks:            90947
          Unique aggregates announced from the RIPE address blocks:     55992
      RIPE Region origin ASes present in the Internet Routing Table:    16316
          RIPE Prefixes per ASN:                                         5.57
      RIPE Region origin ASes announcing only one prefix:                7989
      RIPE Region transit ASes present in the Internet Routing Table:    2603
      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:    1356
      Number of RIPE addresses announced to Internet:               501182472
          Equivalent to 29 /8s, 223 /16s and 112 /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:                   38624
          Total LACNIC prefixes after maximum aggregation:               8109
          LACNIC Deaggregation factor:                                   4.76
      Prefixes being announced from the LACNIC address blocks:          38253
          Unique aggregates announced from the LACNIC address blocks:   19501
      LACNIC Region origin ASes present in the Internet Routing Table:   1574
          LACNIC Prefixes per ASN:                                      24.30
      LACNIC Region origin ASes announcing only one prefix:               443
      LACNIC Region transit ASes present in the Internet Routing Table:   291
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        24
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   448
      Number of LACNIC addresses announced to Internet:              96604808
          Equivalent to 5 /8s, 194 /16s and 18 /24s
          Percentage of available LACNIC address space announced:        64.0
      
      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:                   8956
          Total AfriNIC prefixes after maximum aggregation:              2096
          AfriNIC Deaggregation factor:                                  4.27
      Prefixes being announced from the AfriNIC address blocks:          6976
          Unique aggregates announced from the AfriNIC address blocks:   2176
      AfriNIC Region origin ASes present in the Internet Routing Table:   514
          AfriNIC Prefixes per ASN:                                     13.57
      AfriNIC Region origin ASes announcing only one prefix:              164
      AfriNIC Region transit ASes present in the Internet Routing Table:  118
      Average AfriNIC Region AS path length visible:                      4.4
          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:             30956544
          Equivalent to 1 /8s, 216 /16s and 92 /24s
          Percentage of available AfriNIC address space announced:       46.1
      
      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     2485      11107         989   Korea Telecom (KIX)
      17974     1729        501          36   PT TELEKOMUNIKASI INDONESIA
       7545     1643        303          86   TPG Internet Pty Ltd
       4755     1550        385         160   TATA Communications formerly 
       7552     1267       1064           7   Vietel Corporation
       9829     1181        997          29   BSNL National Internet Backbo
       4808     1149       2114         318   CNCGROUP IP network: China169
       9583     1124         84         482   Sify Limited
      24560     1019        385         167   Bharti Airtel Ltd., Telemedia
      18101      950        130         156   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     3440       3807         201   bellsouth.net, inc. 
       7029     3389       1014         159   Windstream Communications Inc
      18566     2091        382         177   Covad Communications 
       1785     1871        680         126   PaeTec Communications, Inc.
      20115     1627       1550         630   Charter Communications 
       4323     1608       1062         384   Time Warner Telecom
      22773     1527       2910         110   Cox Communications, Inc.
      30036     1400        248         750   Mediacom Communications Corp 
      19262     1388       4703         397   Verizon Global Networks 
       7018     1307       6996         848   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     1768        480          15   Corbina telecom
       2118     1399         97          13   EUnet/RELCOM Autonomous Syste
      15557     1098       2184          60   LDCOM NETWORKS
      34984      653        188         173   BILISIM TELEKOM
       6830      644       1927         413   UPC Distribution Services
      20940      615        198         472   Akamai Technologies European 
      12479      605        643          54   Uni2 Autonomous System
       8551      576        360          81   Bezeq International
      31148      538         37           9   FreeNet ISP
       3320      533       8450         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     1744        323         172   TVCABLE BOGOTA 
      28573     1671       1085          65   NET Servicos de Comunicao S.A
       8151     1475       3007         345   UniNet S.A. de C.V. 
       7303     1263        758         182   Telecom Argentina Stet-France
      26615      860        672          33   Tim Brasil S.A.
      27947      661         67         108   Telconet S.A
      11172      631         91          73   Servicios Alestra S.A de C.V 
      22047      581        322          17   VTR PUNTO NET S.A. 
       6503      552        418          66   AVANTEL, S.A. 
       3816      551        237          91   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     1232        958          13   TEDATA
      24863      830        156          44   LINKdotNET AS number
       6713      489        649          18   Itissalat Al-MAGHRIB
       3741      278        939         229   The Internet Solution 
      33776      237         13          14   Starcomms Nigeria Limited
      15706      222         32           6   Sudatel Internet Exchange Aut
      29571      214         17          12   Ci Telecom Autonomous system 
      12258      197         28          62   Vodacom Internet Company 
      24835      194         80           8   RAYA Telecom - Egypt
      16637      163        664          82   MTN Network Solutions
      
      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     3440       3807         201   bellsouth.net, inc. 
       7029     3389       1014         159   Windstream Communications Inc
       4766     2485      11107         989   Korea Telecom (KIX)
      18566     2091        382         177   Covad Communications 
       1785     1871        680         126   PaeTec Communications, Inc.
       8402     1768        480          15   Corbina telecom
      10620     1744        323         172   TVCABLE BOGOTA 
      17974     1729        501          36   PT TELEKOMUNIKASI INDONESIA
      28573     1671       1085          65   NET Servicos de Comunicao S.A
       7545     1643        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
       7029      3389        3230      Windstream Communications Inc
      18566      2091        1914      Covad Communications 
       8402      1768        1753      Corbina telecom
       1785      1871        1745      PaeTec Communications, Inc.
      17974      1729        1693      PT TELEKOMUNIKASI INDONESIA
      28573      1671        1606      NET Servicos de Comunicao S.A
      10620      1744        1572      TVCABLE BOGOTA 
       7545      1643        1557      TPG Internet Pty Ltd
       4766      2485        1496      Korea Telecom (KIX)
      22773      1527        1417      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
      23.27.0.0/16         18779     Guru.com 
      27.112.114.0/24      23884     Proimage Engineering and Comm
      
      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      /10:27      /11:80      /12:231     
      /13:458     /14:814     /15:1471    /16:12149   /17:6211    /18:10346   
      /19:20464   /20:28291   /21:29265   /22:39904   /23:37028   /24:207711  
      /25:1186    /26:1449    /27:779     /28:168     /29:57      /30:14      
      /31:0       /32:18      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     3045          3389      Windstream Communications Inc
       6389     2110          3440      bellsouth.net, inc. 
      18566     2040          2091      Covad Communications 
       8402     1747          1768      Corbina telecom
      10620     1641          1744      TVCABLE BOGOTA 
      30036     1354          1400      Mediacom Communications Corp 
      11492     1118          1155      Cable One 
       1785     1064          1871      PaeTec Communications, Inc.
      15557     1045          1098      LDCOM NETWORKS
       8452     1042          1232      TEDATA
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:505       2:740       4:14        5:1         6:3         8:384    
        12:1960     13:1        14:597      15:11       16:3        17:7      
        20:8        23:135      24:1730     27:1186     31:945      32:65     
        33:2        34:2        36:9        37:186      38:781      40:115    
        41:3149     42:96       43:1        44:3        46:1298     47:3      
        49:331      50:501      52:13       54:2        55:10       56:3      
        57:38       58:966      59:494      60:344      61:1195     62:949    
        63:2005     64:4148     65:2284     66:4452     67:2034     68:1174   
        69:3163     70:934      71:412      72:1795     74:2658     75:463    
        76:320      77:979      78:948      79:486      80:1212     81:879    
        82:604      83:523      84:587      85:1153     86:749      87:914    
        88:338      89:1556     90:282      91:4472     92:530      93:1349   
        94:1378     95:1116     96:418      97:311      98:812      99:38     
       100:4       101:144     103:805     106:65      107:155     108:168    
       109:1489    110:700     111:851     112:437     113:527     114:602    
       115:765     116:862     117:710     118:903     119:1254    120:361    
       121:685     122:1624    123:1082    124:1333    125:1325    128:538    
       129:190     130:216     131:588     132:166     133:21      134:234    
       135:62      136:215     137:182     138:288     139:145     140:490    
       141:263     142:394     143:403     144:509     145:69      146:483    
       147:237     148:732     149:282     150:172     151:198     152:447    
       153:170     154:7       155:408     156:212     157:367     158:160    
       159:512     160:321     161:245     162:341     163:187     164:531    
       165:395     166:558     167:458     168:762     169:147     170:838    
       171:114     172:4       173:1722    174:592     175:421     176:516    
       177:503     178:1255    180:1180    181:67      182:726     183:280    
       184:430     185:1       186:2013    187:846     188:1070    189:1172   
       190:5504    192:5979    193:5532    194:4341    195:3402    196:1289   
       197:164     198:3622    199:4393    200:5704    201:1742    202:8419   
       203:8619    204:4369    205:2440    206:2744    207:2781    208:4076   
       209:3557    210:2760    211:1481    212:2011    213:1838    214:857    
       215:91      216:5029    217:1488    218:551     219:337     220:1225   
       221:561     222:324     223:313    
      
      End of report