[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, 30 Jul 2011 05:05:00 +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 30 Jul, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              365335
          Prefixes after maximum aggregation:                          165793
          Deaggregation factor:                                          2.20
          Unique aggregates announced to Internet:                     181250
      Total ASes present in the Internet Routing Table:                 38300
          Prefixes per ASN:                                              9.54
      Origin-only ASes present in the Internet Routing Table:           31802
      Origin ASes announcing only one prefix:                           15306
      Transit ASes present in the Internet Routing Table:                5217
      Transit-only ASes present in the Internet Routing Table:            138
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      34
          Max AS path prepend of ASN (22394)                               31
      Prefixes from unregistered ASNs in the Routing Table:              1005
          Unregistered ASNs in the Routing Table:                         569
      Number of 32-bit ASNs allocated by the RIRs:                       1603
      Number of 32-bit ASNs visible in the Routing Table:                1281
      Prefixes from 32-bit ASNs in the Routing Table:                    2966
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            118
      Number of addresses announced to Internet:                   2488168960
          Equivalent to 148 /8s, 78 /16s and 114 /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:               91.2
      Total number of prefixes smaller than registry allocations:      152319
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    91501
          Total APNIC prefixes after maximum aggregation:               30401
          APNIC Deaggregation factor:                                    3.01
      Prefixes being announced from the APNIC address blocks:           88083
          Unique aggregates announced from the APNIC address blocks:    37486
      APNIC Region origin ASes present in the Internet Routing Table:    4521
          APNIC Prefixes per ASN:                                       19.48
      APNIC Region origin ASes announcing only one prefix:               1253
      APNIC Region transit ASes present in the Internet Routing Table:    713
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         19
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     66
      Number of APNIC addresses announced to Internet:              622567776
          Equivalent to 37 /8s, 27 /16s and 161 /24s
          Percentage of available APNIC address space announced:         79.0
      
      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:                    141849
          Total ARIN prefixes after maximum aggregation:                73135
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           113666
          Unique aggregates announced from the ARIN address blocks:     46757
      ARIN Region origin ASes present in the Internet Routing Table:    14520
          ARIN Prefixes per ASN:                                         7.83
      ARIN Region origin ASes announcing only one prefix:                5565
      ARIN Region transit ASes present in the Internet Routing Table:    1537
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          34
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               803106176
          Equivalent to 47 /8s, 222 /16s and 109 /24s
          Percentage of available ARIN address space announced:          63.8
      
      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:                     86823
          Total RIPE prefixes after maximum aggregation:                49404
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            80166
          Unique aggregates announced from the RIPE address blocks:     53029
      RIPE Region origin ASes present in the Internet Routing Table:    15823
          RIPE Prefixes per ASN:                                         5.07
      RIPE Region origin ASes announcing only one prefix:                7899
      RIPE Region transit ASes present in the Internet Routing Table:    2509
      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:     924
      Number of RIPE addresses announced to Internet:               484366720
          Equivalent to 28 /8s, 222 /16s and 217 /24s
          Percentage of available RIPE address space announced:          78.0
      
      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:                   33819
          Total LACNIC prefixes after maximum aggregation:               7619
          LACNIC Deaggregation factor:                                   4.44
      Prefixes being announced from the LACNIC address blocks:          33043
          Unique aggregates announced from the LACNIC address blocks:   17222
      LACNIC Region origin ASes present in the Internet Routing Table:   1492
          LACNIC Prefixes per ASN:                                      22.15
      LACNIC Region origin ASes announcing only one prefix:               440
      LACNIC Region transit ASes present in the Internet Routing Table:   275
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   275
      Number of LACNIC addresses announced to Internet:              87208704
          Equivalent to 5 /8s, 50 /16s and 179 /24s
          Percentage of available LACNIC address space announced:        57.8
      
      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:                   8186
          Total AfriNIC prefixes after maximum aggregation:              1976
          AfriNIC Deaggregation factor:                                  4.14
      Prefixes being announced from the AfriNIC address blocks:          6472
          Unique aggregates announced from the AfriNIC address blocks:   2027
      AfriNIC Region origin ASes present in the Internet Routing Table:   476
          AfriNIC Prefixes per ASN:                                     13.60
      AfriNIC Region origin ASes announcing only one prefix:              149
      AfriNIC Region transit ASes present in the Internet Routing Table:  106
      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:    4
      Number of AfriNIC addresses announced to Internet:             26891520
          Equivalent to 1 /8s, 154 /16s and 85 /24s
          Percentage of available AfriNIC address space announced:       40.1
      
      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     2478      11045         945   Korea Telecom (KIX)
      17974     1747        516          31   PT TELEKOMUNIKASI INDONESIA
       7545     1558        301          85   TPG Internet Pty Ltd
       4755     1513        635         172   TATA Communications formerly 
       7552     1314       1064           7   Vietel Corporation
      24560     1194        336         187   Bharti Airtel Ltd., Telemedia
       9829     1115        929          42   BSNL National Internet Backbo
       9583     1061         78         499   Sify Limited
       4808     1052       2093         299   CNCGROUP IP network: China169
      17488      977        189         114   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     3620       3818         237   bellsouth.net, inc. 
      18566     1913        365         241   Covad Communications 
       1785     1812        681         121   PaeTec Communications, Inc.
       4323     1615       1082         401   Time Warner Telecom
       7029     1604        993         229   Windstream Communications Inc
      20115     1591       1538         623   Charter Communications 
      19262     1413       4792         392   Verizon Global Networks 
      22773     1406       2900          90   Cox Communications, Inc.
       7018     1362       7068         890   AT&T WorldNet Services
       2386     1257        520         906   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      534        106         185   BILISIM TELEKOM
       6830      512       1788         316   UPC Distribution Services
       3292      468       2078         403   TDC Tele Danmark
      20940      466        133         358   Akamai Technologies European 
      12479      456        593           7   Uni2 Autonomous System
       8866      454        133          26   Bulgarian Telecommunication C
      29049      431         31          49   AzerSat LLC.
       3320      425       8151         371   Deutsche Telekom AG
       8551      404        354          44   Bezeq International
       3301      397       1855         346   TeliaNet Sweden
      
      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     1565        288         167   TVCABLE BOGOTA 
       8151     1421       2748         352   UniNet S.A. de C.V. 
      28573     1283        996          67   NET Servicos de Comunicao S.A
       7303     1065        577         175   Telecom Argentina Stet-France
       6503      749        450          68   AVANTEL, S.A. 
      14420      701         56          82   CORPORACION NACIONAL DE TELEC
      22047      578        322          17   VTR PUNTO NET S.A. 
       3816      532        232          97   Empresa Nacional de Telecomun
       7738      516        986          31   Telecomunicacoes da Bahia S.A
      27947      510         53          54   Telconet 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
      24863      799        147          36   LINKdotNET AS number
       8452      794        445          11   TEDATA
      15475      510         74           8   Nile Online
       3741      265        937         226   The Internet Solution 
       6713      260        519          14   Itissalat Al-MAGHRIB
      36992      259        415          15   Etisalat MISR
      33776      227         13           6   Starcomms Nigeria Limited
      24835      177         78          10   RAYA Telecom - Egypt
      29571      158         17          11   Ci Telecom Autonomous system 
      16637      146        665          84   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     3620       3818         237   bellsouth.net, inc. 
      23456     2966        713        1585   32-bit ASN transition
       4766     2478      11045         945   Korea Telecom (KIX)
      18566     1913        365         241   Covad Communications 
       1785     1812        681         121   PaeTec Communications, Inc.
      17974     1747        516          31   PT TELEKOMUNIKASI INDONESIA
       4323     1615       1082         401   Time Warner Telecom
       7029     1604        993         229   Windstream Communications Inc
      20115     1591       1538         623   Charter Communications 
      10620     1565        288         167   TVCABLE BOGOTA 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      17974      1747        1716      PT TELEKOMUNIKASI INDONESIA
       1785      1812        1691      PaeTec Communications, Inc.
      18566      1913        1672      Covad Communications 
       4766      2478        1533      Korea Telecom (KIX)
       7545      1558        1473      TPG Internet Pty Ltd
      10620      1565        1398      TVCABLE BOGOTA 
      23456      2966        1381      32-bit ASN transition
       7029      1604        1375      Windstream Communications Inc
       4755      1513        1341      TATA Communications formerly 
      22773      1406        1316      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
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      
      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        /8:20       /9:12      /10:27      /11:80      /12:233     
      /13:465     /14:799     /15:1407    /16:12045   /17:5889    /18:9805    
      /19:19535   /20:26307   /21:26309   /22:35049   /23:33972   /24:190038  
      /25:1098    /26:1287    /27:738     /28:203     /29:9       /30:2       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2243          3620      bellsouth.net, inc. 
      18566     1869          1913      Covad Communications 
      23456     1463          2966      32-bit ASN transition
      10620     1460          1565      TVCABLE BOGOTA 
       7029     1303          1604      Windstream Communications Inc
      11492     1096          1142      Cable One 
       7011     1056          1158      Citizens Utilities 
       1785     1053          1812      PaeTec Communications, Inc.
       6478      968           996      AT&T Worldnet Services 
      22773      905          1406      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:340       2:46        4:16        5:1         6:3         8:339    
        12:1957     13:1        14:498      15:15       16:3        17:5      
        20:10       23:18       24:1678     27:861      31:508      32:64     
        33:4        34:2        36:4        38:729      40:104      41:2560   
        42:36       44:3        46:1051     47:3        49:201      50:376    
        52:13       54:2        55:6        56:2        57:34       58:870    
        59:487      60:378      61:1178     62:1045     63:1938     64:3987   
        65:2295     66:3905     67:1887     68:1113     69:3057     70:779    
        71:373      72:1864     74:2436     75:328      76:341      77:864    
        78:706      79:468      80:1119     81:839      82:502      83:466    
        84:689      85:1064     86:517      87:763      88:333      89:1533   
        90:224      91:3980     92:528      93:1056     94:1334     95:864    
        96:420      97:264      98:912      99:37      101:82      103:162    
       106:78      107:26      108:73      109:1029    110:605     111:715    
       112:305     113:407     114:554     115:685     116:987     117:682    
       118:856     119:1176    120:314     121:678     122:1608    123:976    
       124:1312    125:1328    128:245     129:169     130:169     131:579    
       132:113     133:21      134:214     135:52      136:215     137:132    
       138:296     139:115     140:477     141:255     142:403     143:421    
       144:486     145:56      146:454     147:216     148:673     149:248    
       150:160     151:189     152:341     153:182     154:5       155:399    
       156:199     157:353     158:140     159:454     160:315     161:205    
       162:310     163:166     164:507     165:369     166:531     167:432    
       168:746     169:153     170:836     171:81      172:1       173:1617   
       174:610     175:390     176:147     177:184     178:994     180:911    
       181:26      182:513     183:234     184:342     185:1       186:1310   
       187:765     188:894     189:967     190:5031    192:5916    193:4980   
       194:3507    195:3061    196:1199    197:46      198:3582    199:3993   
       200:5508    201:1479    202:8397    203:8455    204:4240    205:2317   
       206:2663    207:2800    208:3992    209:3410    210:2679    211:1454   
       212:2089    213:1782    214:792     215:69      216:4900    217:1632   
       218:548     219:342     220:1226    221:494     222:358     223:235    
      
      
      End of report