[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, 11 Feb 2012 04:59:54 +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 11 Feb, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              397602
          Prefixes after maximum aggregation:                          169606
          Deaggregation factor:                                          2.34
          Unique aggregates announced to Internet:                     192311
      Total ASes present in the Internet Routing Table:                 40086
          Prefixes per ASN:                                              9.92
      Origin-only ASes present in the Internet Routing Table:           32739
      Origin ASes announcing only one prefix:                           15528
      Transit ASes present in the Internet Routing Table:                5400
      Transit-only ASes present in the Internet Routing Table:            147
      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:               328
          Unregistered ASNs in the Routing Table:                         127
      Number of 32-bit ASNs allocated by the RIRs:                       2272
      Number of 32-bit ASNs visible in the Routing Table:                1947
      Prefixes from 32-bit ASNs in the Routing Table:                    4674
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            137
      Number of addresses announced to Internet:                   2513929424
          Equivalent to 149 /8s, 215 /16s and 132 /24s
          Percentage of available address space announced:               67.8
          Percentage of allocated address space announced:               67.8
          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:      168841
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    98087
          Total APNIC prefixes after maximum aggregation:               31681
          APNIC Deaggregation factor:                                    3.10
      Prefixes being announced from the APNIC address blocks:           94410
          Unique aggregates announced from the APNIC address blocks:    39147
      APNIC Region origin ASes present in the Internet Routing Table:    4652
          APNIC Prefixes per ASN:                                       20.29
      APNIC Region origin ASes announcing only one prefix:               1239
      APNIC Region transit ASes present in the Internet Routing Table:    737
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         20
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    143
      Number of APNIC addresses announced to Internet:              635706656
          Equivalent to 37 /8s, 228 /16s and 29 /24s
          Percentage of available APNIC address space announced:         80.6
      
      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:                    148238
          Total ARIN prefixes after maximum aggregation:                75329
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           120188
          Unique aggregates announced from the ARIN address blocks:     49415
      ARIN Region origin ASes present in the Internet Routing Table:    14905
          ARIN Prefixes per ASN:                                         8.06
      ARIN Region origin ASes announcing only one prefix:                5689
      ARIN Region transit ASes present in the Internet Routing Table:    1576
      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:               804413120
          Equivalent to 47 /8s, 242 /16s and 94 /24s
          Percentage of available ARIN address space announced:          63.9
      
      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:                     98764
          Total RIPE prefixes after maximum aggregation:                52358
          RIPE Deaggregation factor:                                     1.89
      Prefixes being announced from the RIPE address blocks:            90594
          Unique aggregates announced from the RIPE address blocks:     56087
      RIPE Region origin ASes present in the Internet Routing Table:    16308
          RIPE Prefixes per ASN:                                         5.56
      RIPE Region origin ASes announcing only one prefix:                7997
      RIPE Region transit ASes present in the Internet Routing Table:    2598
      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:    1344
      Number of RIPE addresses announced to Internet:               500587080
          Equivalent to 29 /8s, 214 /16s and 90 /24s
          Percentage of available RIPE address space announced:          80.6
      
      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:                   38648
          Total LACNIC prefixes after maximum aggregation:               8064
          LACNIC Deaggregation factor:                                   4.79
      Prefixes being announced from the LACNIC address blocks:          38261
          Unique aggregates announced from the LACNIC address blocks:   19517
      LACNIC Region origin ASes present in the Internet Routing Table:   1572
          LACNIC Prefixes per ASN:                                      24.34
      LACNIC Region origin ASes announcing only one prefix:               439
      LACNIC Region transit ASes present in the Internet Routing Table:   290
      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:   441
      Number of LACNIC addresses announced to Internet:              96512392
          Equivalent to 5 /8s, 192 /16s and 169 /24s
          Percentage of available LACNIC address space announced:        63.9
      
      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:                   9015
          Total AfriNIC prefixes after maximum aggregation:              2096
          AfriNIC Deaggregation factor:                                  4.30
      Prefixes being announced from the AfriNIC address blocks:          7029
          Unique aggregates announced from the AfriNIC address blocks:   2148
      AfriNIC Region origin ASes present in the Internet Routing Table:   511
          AfriNIC Prefixes per ASN:                                     13.76
      AfriNIC Region origin ASes announcing only one prefix:              164
      AfriNIC Region transit ASes present in the Internet Routing Table:  117
      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:             30893056
          Equivalent to 1 /8s, 215 /16s and 100 /24s
          Percentage of available AfriNIC address space announced:       46.0
      
      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     2471      11101         979   Korea Telecom (KIX)
      17974     1729        503          36   PT TELEKOMUNIKASI INDONESIA
       7545     1642        303          85   TPG Internet Pty Ltd
       4755     1532        385         156   TATA Communications formerly 
       7552     1393       1064           7   Vietel Corporation
       9829     1172        989          28   BSNL National Internet Backbo
       4808     1149       2112         314   CNCGROUP IP network: China169
       9583     1124         83         482   Sify Limited
      24560     1014        385         167   Bharti Airtel Ltd., Telemedia
      18101      950        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     3442       3807         201   bellsouth.net, inc. 
       7029     3391       1014         159   Windstream Communications Inc
      18566     2093        382         177   Covad Communications 
       1785     1868        680         125   PaeTec Communications, Inc.
      20115     1625       1550         631   Charter Communications 
       4323     1610       1062         385   Time Warner Telecom
      22773     1511       2910         109   Cox Communications, Inc.
      30036     1392        244         751   Mediacom Communications Corp 
      19262     1386       4687         396   Verizon Global Networks 
       7018     1307       6995         849   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     1719        480          15   Corbina telecom
       2118     1385         97          13   EUnet/RELCOM Autonomous Syste
      15557     1095       2161          63   LDCOM NETWORKS
      34984      650        188         172   BILISIM TELEKOM
       6830      644       1927         413   UPC Distribution Services
      20940      608        195         470   Akamai Technologies European 
      12479      584        642          53   Uni2 Autonomous System
      31148      538         37           9   FreeNet ISP
       3320      533       8450         399   Deutsche Telekom AG
       8551      530        360          81   Bezeq International
      
      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     1751        324         162   TVCABLE BOGOTA 
      28573     1655       1085          69   NET Servicos de Comunicao S.A
       8151     1475       3003         342   UniNet S.A. de C.V. 
       7303     1263        758         182   Telecom Argentina Stet-France
      26615      896        664          33   Tim Brasil S.A.
      11172      694         95          75   Servicios Alestra S.A de C.V 
      27947      655         67         105   Telconet S.A
      22047      581        322          17   VTR PUNTO NET S.A. 
       3816      551        237          91   Empresa Nacional de Telecomun
       7738      550       1050          31   Telecomunicacoes da Bahia 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     1235        958          13   TEDATA
      24863      829        155          43   LINKdotNET AS number
       6713      485        649          18   Itissalat Al-MAGHRIB
       3741      278        939         229   The Internet Solution 
      15706      238         32           6   Sudatel Internet Exchange Aut
      33776      236         13          14   Starcomms Nigeria Limited
      12258      197         28          62   Vodacom Internet Company 
      24835      193         80           8   RAYA Telecom - Egypt
      29571      189         17          11   Ci Telecom Autonomous system 
      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     3442       3807         201   bellsouth.net, inc. 
       7029     3391       1014         159   Windstream Communications Inc
       4766     2471      11101         979   Korea Telecom (KIX)
      18566     2093        382         177   Covad Communications 
       1785     1868        680         125   PaeTec Communications, Inc.
      10620     1751        324         162   TVCABLE BOGOTA 
      17974     1729        503          36   PT TELEKOMUNIKASI INDONESIA
       8402     1719        480          15   Corbina telecom
      28573     1655       1085          69   NET Servicos de Comunicao S.A
       7545     1642        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      3391        3232      Windstream Communications Inc
      18566      2093        1916      Covad Communications 
       1785      1868        1743      PaeTec Communications, Inc.
       8402      1719        1704      Corbina telecom
      17974      1729        1693      PT TELEKOMUNIKASI INDONESIA
      10620      1751        1589      TVCABLE BOGOTA 
      28573      1655        1586      NET Servicos de Comunicao S.A
       7545      1642        1557      TPG Internet Pty Ltd
       4766      2471        1492      Korea Telecom (KIX)
      22773      1511        1402      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
      37.98.200.0/21       56687     Nimad Rah Khoozestan PLC
      37.98.208.0/20        8374     Polkomtel S.A.
      
      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     /14:816     /15:1469    /16:12130   /17:6197    /18:10311   
      /19:20471   /20:28291   /21:29233   /22:39842   /23:37018   /24:207333  
      /25:1195    /26:1434    /27:775     /28:169     /29:59      /30:14      
      /31:0       /32:18      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     3047          3391      Windstream Communications Inc
       6389     2112          3442      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
       8402     1698          1719      Corbina telecom
      10620     1645          1751      TVCABLE BOGOTA 
      30036     1351          1392      Mediacom Communications Corp 
      11492     1118          1155      Cable One 
       1785     1065          1868      PaeTec Communications, Inc.
      15557     1045          1095      LDCOM NETWORKS
       8452     1041          1235      TEDATA
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:505       2:689       4:14        5:1         6:3         8:385    
        12:1958     13:1        14:596      15:11       16:3        17:7      
        20:9        23:133      24:1724     27:1197     31:901      32:65     
        33:2        34:2        36:9        37:177      38:776      40:115    
        41:3174     42:93       43:1        44:3        46:1281     47:3      
        49:322      50:512      52:13       54:2        55:9        56:3      
        57:38       58:962      59:491      60:344      61:1195     62:949    
        63:2008     64:4130     65:2285     66:4426     67:2039     68:1174   
        69:3159     70:927      71:412      72:1795     74:2654     75:463    
        76:322      77:976      78:936      79:502      80:1228     81:881    
        82:569      83:529      84:582      85:1154     86:742      87:919    
        88:334      89:1547     90:271      91:4479     92:538      93:1328   
        94:1357     95:1084     96:418      97:310      98:814      99:38     
       100:4       101:141     103:776     106:65      107:152     108:150    
       109:1486    110:694     111:848     112:432     113:530     114:597    
       115:763     116:868     117:727     118:899     119:1254    120:361    
       121:683     122:1621    123:1071    124:1337    125:1369    128:542    
       129:189     130:212     131:589     132:164     133:21      134:231    
       135:60      136:216     137:153     138:286     139:145     140:488    
       141:262     142:385     143:411     144:520     145:70      146:484    
       147:242     148:728     149:274     150:165     151:196     152:447    
       153:170     154:7       155:403     156:211     157:368     158:156    
       159:515     160:322     161:244     162:341     163:187     164:529    
       165:391     166:556     167:457     168:762     169:147     170:832    
       171:111     172:2       173:1733    174:603     175:416     176:515    
       177:481     178:1247    180:1180    181:65      182:715     183:278    
       184:425     185:1       186:2050    187:842     188:1031    189:1169   
       190:5474    192:5970    193:5525    194:4327    195:3393    196:1299   
       197:181     198:3619    199:4378    200:5718    201:1736    202:8496   
       203:8625    204:4346    205:2440    206:2736    207:2804    208:4069   
       209:3566    210:2747    211:1477    212:2042    213:1847    214:864    
       215:96      216:5000    217:1477    218:548     219:340     220:1252   
       221:558     222:325     223:280    
      
      End of report