[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, 29 Oct 2011 05:17:17 +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,
      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 29 Oct, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              379556
          Prefixes after maximum aggregation:                          166311
          Deaggregation factor:                                          2.28
          Unique aggregates announced to Internet:                     186116
      Total ASes present in the Internet Routing Table:                 39180
          Prefixes per ASN:                                              9.69
      Origin-only ASes present in the Internet Routing Table:           32352
      Origin ASes announcing only one prefix:                           15498
      Transit ASes present in the Internet Routing Table:                5266
      Transit-only ASes present in the Internet Routing Table:            133
      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:              1580
          Unregistered ASNs in the Routing Table:                         843
      Number of 32-bit ASNs allocated by the RIRs:                       1911
      Number of 32-bit ASNs visible in the Routing Table:                1562
      Prefixes from 32-bit ASNs in the Routing Table:                    3627
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             95
      Number of addresses announced to Internet:                   2489057440
          Equivalent to 148 /8s, 92 /16s and 0 /24s
          Percentage of available address space announced:               67.2
          Percentage of allocated address space announced:               67.2
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.5
      Total number of prefixes smaller than registry allocations:      159572
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    94855
          Total APNIC prefixes after maximum aggregation:               30982
          APNIC Deaggregation factor:                                    3.06
      Prefixes being announced from the APNIC address blocks:           91300
          Unique aggregates announced from the APNIC address blocks:    38074
      APNIC Region origin ASes present in the Internet Routing Table:    4590
          APNIC Prefixes per ASN:                                       19.89
      APNIC Region origin ASes announcing only one prefix:               1266
      APNIC Region transit ASes present in the Internet Routing Table:    721
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         21
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     98
      Number of APNIC addresses announced to Internet:              629428896
          Equivalent to 37 /8s, 132 /16s and 82 /24s
          Percentage of available APNIC address space announced:         79.8
      
      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:                    145811
          Total ARIN prefixes after maximum aggregation:                74492
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           117702
          Unique aggregates announced from the ARIN address blocks:     48191
      ARIN Region origin ASes present in the Internet Routing Table:    14743
          ARIN Prefixes per ASN:                                         7.98
      ARIN Region origin ASes announcing only one prefix:                5663
      ARIN Region transit ASes present in the Internet Routing Table:    1558
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          25
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               804671488
          Equivalent to 47 /8s, 246 /16s and 80 /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:                     91098
          Total RIPE prefixes after maximum aggregation:                50841
          RIPE Deaggregation factor:                                     1.79
      Prefixes being announced from the RIPE address blocks:            83738
          Unique aggregates announced from the RIPE address blocks:     54302
      RIPE Region origin ASes present in the Internet Routing Table:    16072
          RIPE Prefixes per ASN:                                         5.21
      RIPE Region origin ASes announcing only one prefix:                7969
      RIPE Region transit ASes present in the Internet Routing Table:    2528
      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:    1092
      Number of RIPE addresses announced to Internet:               491265472
          Equivalent to 29 /8s, 72 /16s and 29 /24s
          Percentage of available RIPE address space announced:          79.1
      
      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:                   35470
          Total LACNIC prefixes after maximum aggregation:               7898
          LACNIC Deaggregation factor:                                   4.49
      Prefixes being announced from the LACNIC address blocks:          34922
          Unique aggregates announced from the LACNIC address blocks:   18132
      LACNIC Region origin ASes present in the Internet Routing Table:   1540
          LACNIC Prefixes per ASN:                                      22.68
      LACNIC Region origin ASes announcing only one prefix:               442
      LACNIC Region transit ASes present in the Internet Routing Table:   283
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   356
      Number of LACNIC addresses announced to Internet:              92626368
          Equivalent to 5 /8s, 133 /16s and 93 /24s
          Percentage of available LACNIC address space announced:        61.3
      
      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:                   8526
          Total AfriNIC prefixes after maximum aggregation:              2021
          AfriNIC Deaggregation factor:                                  4.22
      Prefixes being announced from the AfriNIC address blocks:          6631
          Unique aggregates announced from the AfriNIC address blocks:   1988
      AfriNIC Region origin ASes present in the Internet Routing Table:   495
          AfriNIC Prefixes per ASN:                                     13.40
      AfriNIC Region origin ASes announcing only one prefix:              158
      AfriNIC Region transit ASes present in the Internet Routing Table:  107
      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:             27830528
          Equivalent to 1 /8s, 168 /16s and 169 /24s
          Percentage of available AfriNIC address space announced:       41.5
      
      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     2507      11096         967   Korea Telecom (KIX)
      17974     1884        519          33   PT TELEKOMUNIKASI INDONESIA
       7545     1611        303          84   TPG Internet Pty Ltd
       4755     1539        637         174   TATA Communications formerly 
       7552     1393       1064           8   Vietel Corporation
       9829     1166        989          28   BSNL National Internet Backbo
       9583     1091         80         499   Sify Limited
       4808     1090       2103         312   CNCGROUP IP network: China169
      24560      964        342         218   Bharti Airtel Ltd., Telemedia
      18101      953        166         150   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     3544       3814         220   bellsouth.net, inc. 
       7029     2329       1016         197   Windstream Communications Inc
      18566     2097        383         177   Covad Communications 
       1785     1841        680         122   PaeTec Communications, Inc.
       4323     1623       1078         388   Time Warner Telecom
      20115     1595       1546         620   Charter Communications 
      22773     1458       2907         100   Cox Communications, Inc.
      19262     1395       4728         400   Verizon Global Networks 
      30036     1393        253         671   Mediacom Communications Corp 
       7018     1317       7029         861   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     1500        352          13   Corbina telecom
       6830      653       1927         415   UPC Distribution Services
      34984      590        108         180   BILISIM TELEKOM
      20940      547        182         422   Akamai Technologies European 
       3320      506       8169         386   Deutsche Telekom AG
      12479      479        596           9   Uni2 Autonomous System
       3292      478       2074         405   TDC Tele Danmark
       8866      461        133          26   Bulgarian Telecommunication C
       8551      403        354          44   Bezeq International
      31148      401         21         111   FreeNet ISP
      
      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     1699        314         156   TVCABLE BOGOTA 
      28573     1473       1040          72   NET Servicos de Comunicao S.A
       8151     1417       2927         348   UniNet S.A. de C.V. 
       7303     1231        748         177   Telecom Argentina Stet-France
      27947      588         72          83   Telconet S.A
      22047      580        322          17   VTR PUNTO NET S.A. 
       6503      572        450          69   AVANTEL, S.A. 
       7738      552       1050          31   Telecomunicacoes da Bahia S.A
       3816      538        233          95   Empresa Nacional de Telecomun
      11172      525         86          96   Servicios Alestra S.A de C.V 
      
      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
      24863      802        146          36   LINKdotNET AS number
       8452      651        446          12   TEDATA
      15475      444         74           8   Nile Online
      36992      299        415          20   Etisalat MISR
       3741      280        939         229   The Internet Solution 
       6713      244        519          14   Itissalat Al-MAGHRIB
      15706      240         32           6   Sudatel Internet Exchange Aut
      33776      221         13           8   Starcomms Nigeria Limited
      29571      219         18          14   Ci Telecom Autonomous system 
      12258      196         28          57   Vodacom Internet Company 
      
      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     3544       3814         220   bellsouth.net, inc. 
       4766     2507      11096         967   Korea Telecom (KIX)
       7029     2329       1016         197   Windstream Communications Inc
      18566     2097        383         177   Covad Communications 
      17974     1884        519          33   PT TELEKOMUNIKASI INDONESIA
       1785     1841        680         122   PaeTec Communications, Inc.
      10620     1699        314         156   TVCABLE BOGOTA 
       4323     1623       1078         388   Time Warner Telecom
       7545     1611        303          84   TPG Internet Pty Ltd
      20115     1595       1546         620   Charter Communications 
      
      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      2329        2132      Windstream Communications Inc
      18566      2097        1920      Covad Communications 
      17974      1884        1851      PT TELEKOMUNIKASI INDONESIA
       1785      1841        1719      PaeTec Communications, Inc.
      10620      1699        1543      TVCABLE BOGOTA 
       4766      2507        1540      Korea Telecom (KIX)
       7545      1611        1527      TPG Internet Pty Ltd
       8402      1500        1487      Corbina telecom
      28573      1473        1401      NET Servicos de Comunicao S.A
       7552      1393        1385      Vietel Corporation
      
      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
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.225.128.0/18      36377     Comcast Telecommunications, I
      24.225.192.0/23      36377     Comcast Telecommunications, I
      24.225.192.0/18      36377     Comcast Telecommunications, I
      24.225.224.0/21      36377     Comcast Telecommunications, I
      24.225.237.0/24      36377     Comcast Telecommunications, I
      24.225.248.0/21      36377     Comcast Telecommunications, I
      41.79.132.0/23       30969     Zimbabwe OnLine (Private) Ltd
      41.79.132.0/22       30969     Zimbabwe OnLine (Private) Ltd
      41.79.134.0/23       30969     Zimbabwe OnLine (Private) Ltd
      41.222.79.0/24       36938     >>UNKNOWN<<
      
      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      /11:81      /12:236     
      /13:465     /14:809     /15:1427    /16:12024   /17:6073    /18:10088   
      /19:19938   /20:27559   /21:27543   /22:37225   /23:35231   /24:197353  
      /25:1167    /26:1351    /27:757     /28:162     /29:4       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2184          3544      bellsouth.net, inc. 
      18566     2046          2097      Covad Communications 
       7029     1999          2329      Windstream Communications Inc
      10620     1594          1699      TVCABLE BOGOTA 
       8402     1476          1500      Corbina telecom
      30036     1354          1393      Mediacom Communications Corp 
      11492     1118          1156      Cable One 
       1785     1056          1841      PaeTec Communications, Inc.
       7011     1050          1168      Citizens Utilities 
      22773      946          1458      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:411       2:490       4:15        5:1         6:3         8:361    
        12:1954     13:1        14:544      15:11       16:3        17:7      
        20:9        23:60       24:1683     27:972      31:626      32:61     
        33:2        34:2        36:4        38:757      40:110      41:2664   
        42:53       44:3        46:1007     47:3        49:291      50:438    
        52:13       55:6        56:2        57:40       58:884      59:494    
        60:363      61:1174     62:1087     63:1950     64:4058     65:2305   
        66:4275     67:1982     68:1154     69:3202     70:883      71:382    
        72:1805     74:2604     75:393      76:318      77:879      78:868    
        79:452      80:1134     81:838      82:502      83:527      84:619    
        85:1122     86:403      87:890      88:353      89:1607     90:237    
        91:4242     92:530      93:1532     94:1302     95:1077     96:434    
        97:284      98:928      99:37      101:220     103:413     106:70     
       107:78      108:72      109:1055    110:665     111:795     112:334    
       113:487     114:617     115:710     116:880     117:721     118:901    
       119:1262    120:339     121:693     122:1566    123:1016    124:1354   
       125:1361    128:243     129:185     130:164     131:626     132:146    
       133:21      134:220     135:54      136:213     137:140     138:286    
       139:123     140:489     141:309     142:389     143:419     144:495    
       145:63      146:461     147:216     148:642     149:267     150:167    
       151:194     152:447     153:178     154:7       155:389     156:208    
       157:358     158:154     159:484     160:331     161:214     162:341    
       163:173     164:511     165:370     166:539     167:435     168:742    
       169:146     170:873     171:86      172:4       173:1718    174:673    
       175:423     176:282     177:356     178:1079    180:1121    181:36     
       182:653     183:220     184:379     185:1       186:1301    187:707    
       188:949     189:867     190:5144    192:5933    193:5037    194:3560   
       195:3115    196:1230    197:164     198:3627    199:4166    200:5519   
       201:1687    202:8572    203:8480    204:4306    205:2363    206:2674   
       207:2824    208:4027    209:3575    210:2713    211:1459    212:2086   
       213:1777    214:796     215:96      216:4924    217:1602    218:563    
       219:342     220:1250    221:515     222:343     223:271    
      
      End of report