[pacnog] 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: [pacnog] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 11 Jun 2011 05:02:38 +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 11 Jun, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              359107
          Prefixes after maximum aggregation:                          162630
          Deaggregation factor:                                          2.21
          Unique aggregates announced to Internet:                     178253
      Total ASes present in the Internet Routing Table:                 37831
          Prefixes per ASN:                                              9.49
      Origin-only ASes present in the Internet Routing Table:           31580
      Origin ASes announcing only one prefix:                           15168
      Transit ASes present in the Internet Routing Table:                5113
      Transit-only ASes present in the Internet Routing Table:            135
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:               783
          Unregistered ASNs in the Routing Table:                         419
      Number of 32-bit ASNs allocated by the RIRs:                       1446
      Number of 32-bit ASNs visible in the Routing Table:                1138
      Prefixes from 32-bit ASNs in the Routing Table:                    2602
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            164
      Number of addresses announced to Internet:                   2487684608
          Equivalent to 148 /8s, 71 /16s and 14 /24s
          Percentage of available address space announced:               67.1
          Percentage of allocated address space announced:               67.1
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.1
      Total number of prefixes smaller than registry allocations:      149733
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    88931
          Total APNIC prefixes after maximum aggregation:               29983
          APNIC Deaggregation factor:                                    2.97
      Prefixes being announced from the APNIC address blocks:           85430
          Unique aggregates announced from the APNIC address blocks:    36696
      APNIC Region origin ASes present in the Internet Routing Table:    4477
          APNIC Prefixes per ASN:                                       19.08
      APNIC Region origin ASes announcing only one prefix:               1251
      APNIC Region transit ASes present in the Internet Routing Table:    703
      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:     46
      Number of APNIC addresses announced to Internet:              620146464
          Equivalent to 36 /8s, 246 /16s and 175 /24s
          Percentage of available APNIC address space announced:         78.6
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      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:                    140907
          Total ARIN prefixes after maximum aggregation:                71613
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           112819
          Unique aggregates announced from the ARIN address blocks:     46088
      ARIN Region origin ASes present in the Internet Routing Table:    14426
          ARIN Prefixes per ASN:                                         7.82
      ARIN Region origin ASes announcing only one prefix:                5503
      ARIN Region transit ASes present in the Internet Routing Table:    1517
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               818671872
          Equivalent to 48 /8s, 203 /16s and 241 /24s
          Percentage of available ARIN address space announced:          65.1
      
      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:                     85501
          Total RIPE prefixes after maximum aggregation:                48681
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            78946
          Unique aggregates announced from the RIPE address blocks:     52214
      RIPE Region origin ASes present in the Internet Routing Table:    15695
          RIPE Prefixes per ASN:                                         5.03
      RIPE Region origin ASes announcing only one prefix:                7840
      RIPE Region transit ASes present in the Internet Routing Table:    2472
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:     847
      Number of RIPE addresses announced to Internet:               477055488
          Equivalent to 28 /8s, 111 /16s and 74 /24s
          Percentage of available RIPE address space announced:          76.9
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-52223, 56320-58367
                             196608-198655
      RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                              62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                             176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
                             213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   32899
          Total LACNIC prefixes after maximum aggregation:               7498
          LACNIC Deaggregation factor:                                   4.39
      Prefixes being announced from the LACNIC address blocks:          31955
          Unique aggregates announced from the LACNIC address blocks:   16895
      LACNIC Region origin ASes present in the Internet Routing Table:   1451
          LACNIC Prefixes per ASN:                                      22.02
      LACNIC Region origin ASes announcing only one prefix:               433
      LACNIC Region transit ASes present in the Internet Routing Table:   253
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        29
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   228
      Number of LACNIC addresses announced to Internet:              84687104
          Equivalent to 5 /8s, 12 /16s and 57 /24s
          Percentage of available LACNIC address space announced:        56.1
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                             200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   8043
          Total AfriNIC prefixes after maximum aggregation:              1920
          AfriNIC Deaggregation factor:                                  4.19
      Prefixes being announced from the AfriNIC address blocks:          6357
          Unique aggregates announced from the AfriNIC address blocks:   1904
      AfriNIC Region origin ASes present in the Internet Routing Table:   460
          AfriNIC Prefixes per ASN:                                     13.82
      AfriNIC Region origin ASes announcing only one prefix:              141
      AfriNIC Region transit ASes present in the Internet Routing Table:  100
      Average AfriNIC Region AS path length visible:                      4.8
          Max AfriNIC Region AS path length visible:                       24
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    5
      Number of AfriNIC addresses announced to Internet:             24155648
          Equivalent to 1 /8s, 112 /16s and 150 /24s
          Percentage of available AfriNIC address space announced:       36.0
      
      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     2462       9500         924   Korea Telecom (KIX)
      17974     1561        441          38   PT TELEKOMUNIKASI INDONESIA
       7545     1539        301          86   TPG Internet Pty Ltd
       4755     1471        634         166   TATA Communications formerly 
      24560     1152        336         187   Bharti Airtel Ltd., Telemedia
       7552     1146       1064           7   Vietel Corporation
       9583     1071         79         500   Sify Limited
       4808     1052       2098         299   CNCGROUP IP network: China169
       9829     1029        870          67   BSNL National Internet Backbo
      17488      946        191         102   Hathway IP Over Cable Interne
      
      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     3628       3822         252   bellsouth.net, inc. 
       4323     1963       1097         401   Time Warner Telecom
      18566     1913        365         237   Covad Communications 
       1785     1791        681         122   PaeTec Communications, Inc.
       6478     1721        319          45   AT&T Worldnet Services 
      20115     1539       1541         633   Charter Communications 
      19262     1490       4932         314   Verizon Global Networks 
       7018     1364       7052         891   AT&T WorldNet Services
      22773     1340       2897          87   Cox Communications, Inc.
       2386     1271        536         912   AT&T Data Communications Serv
      
      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
      34984      521        106         180   BILISIM TELEKOM
       6830      513       1780         320   UPC Distribution Services
       3292      464       2078         399   TDC Tele Danmark
      20940      462        135         354   Akamai Technologies European 
      29049      451         33          48   AzerSat LLC.
       8866      445        134          26   Bulgarian Telecommunication C
      12479      436        593           7   Uni2 Autonomous System
       3320      425       8152         370   Deutsche Telekom AG
       8551      406        355          45   Bezeq International
        702      396       1803         310   UUNET - Commercial IP service
      
      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     1513        278         157   TVCABLE BOGOTA 
      28573     1321        992          80   NET Servicos de Comunicao S.A
       8151     1268       2727         364   UniNet S.A. de C.V. 
       7303      990        506         170   Telecom Argentina Stet-France
       6503      739        354          73   AVANTEL, S.A. 
      14420      677         54          80   CORPORACION NACIONAL DE TELEC
      22047      564        310          15   VTR PUNTO NET S.A. 
       3816      528        231          94   Empresa Nacional de Telecomun
       7738      516        986          31   Telecomunicacoes da Bahia S.A
      13489      516        262         124   Orbitel S.A. E.S.P. 
      
      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      797        445          11   TEDATA
      24863      795        147          37   LINKdotNET AS number
      15475      527         74           8   Nile Online
      36992      308        415          18   Etisalat MISR
       3741      264        937         225   The Internet Solution 
       6713      241        215          13   Itissalat Al-MAGHRIB
      24835      210         78          10   RAYA Telecom - Egypt
      33776      200         12          11   Starcomms Nigeria Limited
      29571      192         17          11   Ci Telecom Autonomous system 
      16637      150        441          86   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     3628       3822         252   bellsouth.net, inc. 
      23456     2602        639        1421   32-bit ASN transition
       4766     2462       9500         924   Korea Telecom (KIX)
       4323     1963       1097         401   Time Warner Telecom
      18566     1913        365         237   Covad Communications 
       1785     1791        681         122   PaeTec Communications, Inc.
       6478     1721        319          45   AT&T Worldnet Services 
      17974     1561        441          38   PT TELEKOMUNIKASI INDONESIA
       7545     1539        301          86   TPG Internet Pty Ltd
      20115     1539       1541         633   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
      18566      1913        1676      Covad Communications 
       6478      1721        1676      AT&T Worldnet Services 
       1785      1791        1669      PaeTec Communications, Inc.
       4323      1963        1562      Time Warner Telecom
       4766      2462        1538      Korea Telecom (KIX)
      17974      1561        1523      PT TELEKOMUNIKASI INDONESIA
       7545      1539        1453      TPG Internet Pty Ltd
      10620      1513        1356      TVCABLE BOGOTA 
       4755      1471        1305      TATA Communications formerly 
      22773      1340        1253      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
      26973   UNALLOCATED  12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.155.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.159.0/24        7018       AT&T WorldNet Servic
      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
      
      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
      27.0.128.0/17         7514     Media Exchange, Inc.
      31.131.192.0/19      42368     RIPE Network Coordination Cen
      41.190.32.0/23       31856     CABSAS
      41.190.34.0/23       31856     CABSAS
      
      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        /8:22       /9:12      /10:28      /11:80      /12:230     
      /13:462     /14:800     /15:1394    /16:11946   /17:5847    /18:9787    
      /19:19372   /20:25829   /21:26021   /22:34187   /23:33194   /24:186895  
      /25:1055    /26:1225    /27:663     /28:41      /29:9       /30:2       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2233          3628      bellsouth.net, inc. 
      18566     1870          1913      Covad Communications 
       6478     1675          1721      AT&T Worldnet Services 
      10620     1403          1513      TVCABLE BOGOTA 
      23456     1290          2602      32-bit ASN transition
      11492     1092          1138      Cable One 
       7011     1061          1161      Citizens Utilities 
       1785     1050          1791      PaeTec Communications, Inc.
       7029      909          1159      Alltel Information Services, 
       4323      875          1963      Time Warner Telecom
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:285       2:48        4:16        5:1         6:3         8:338    
        12:1977     13:1        14:461      15:15       16:3        17:8      
        20:10       23:11       24:1611     27:772      31:429      32:60     
        33:4        34:2        37:1        38:737      40:103      41:2515   
        42:2        44:3        46:957      47:3        49:187      50:405    
        52:13       54:2        55:4        56:2        57:29       58:841    
        59:475      60:387      61:1122     62:1053     63:1935     64:3939   
        65:2254     66:4138     67:1884     68:1086     69:3003     70:705    
        71:373      72:1846     74:2354     75:309      76:340      77:881    
        78:706      79:457      80:1106     81:832      82:493      83:457    
        84:666      85:1080     86:581      87:751      88:330      89:1529   
        90:204      91:3839     92:526      93:1037     94:1292     95:825    
        96:444      97:251      98:871      99:36      101:68      103:56     
       106:6       107:11      108:83      109:973     110:601     111:710    
       112:299     113:399     114:537     115:687     116:959     117:675    
       118:793     119:1142    120:313     121:669     122:1627    123:950    
       124:1274    125:1217    128:261     129:175     130:164     131:577    
       132:110     133:19      134:214     135:48      136:214     137:144    
       138:300     139:112     140:469     141:238     142:404     143:417    
       144:495     145:54      146:448     147:214     148:606     149:247    
       150:172     151:187     152:330     153:180     154:3       155:399    
       156:195     157:352     158:138     159:380     160:318     161:208    
       162:309     163:165     164:500     165:352     166:530     167:424    
       168:729     169:155     170:832     171:77      172:1       173:1605   
       174:584     175:371     176:133     177:135     178:1003    180:886    
       181:18      182:466     183:216     184:297     185:1       186:1188   
       187:753     188:848     189:910     190:4890    192:5841    193:4918   
       194:3497    195:3003    196:1231    197:20      198:3585    199:3927   
       200:5498    201:1480    202:8316    203:8357    204:4187    205:2339   
       206:2679    207:2826    208:3946    209:3471    210:2713    211:1400   
       212:2008    213:1727    214:742     215:68      216:4923    217:1638   
       218:548     219:364     220:1205    221:490     222:317     223:156    
      
      
      End of report