[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, 9 Jul 2011 05:07:55 +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 09 Jul, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              362786
          Prefixes after maximum aggregation:                          164929
          Deaggregation factor:                                          2.20
          Unique aggregates announced to Internet:                     180083
      Total ASes present in the Internet Routing Table:                 38135
          Prefixes per ASN:                                              9.51
      Origin-only ASes present in the Internet Routing Table:           31710
      Origin ASes announcing only one prefix:                           15248
      Transit ASes present in the Internet Routing Table:                5186
      Transit-only ASes present in the Internet Routing Table:            130
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (22394)                               27
      Prefixes from unregistered ASNs in the Routing Table:               925
          Unregistered ASNs in the Routing Table:                         512
      Number of 32-bit ASNs allocated by the RIRs:                       1533
      Number of 32-bit ASNs visible in the Routing Table:                1239
      Prefixes from 32-bit ASNs in the Routing Table:                    2861
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            119
      Number of addresses announced to Internet:                   2493493440
          Equivalent to 148 /8s, 159 /16s and 176 /24s
          Percentage of available address space announced:               67.3
          Percentage of allocated address space announced:               67.3
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.0
      Total number of prefixes smaller than registry allocations:      151395
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    90104
          Total APNIC prefixes after maximum aggregation:               30260
          APNIC Deaggregation factor:                                    2.98
      Prefixes being announced from the APNIC address blocks:           86847
          Unique aggregates announced from the APNIC address blocks:    37076
      APNIC Region origin ASes present in the Internet Routing Table:    4503
          APNIC Prefixes per ASN:                                       19.29
      APNIC Region origin ASes announcing only one prefix:               1248
      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:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     56
      Number of APNIC addresses announced to Internet:              621479200
          Equivalent to 37 /8s, 11 /16s and 5 /24s
          Percentage of available APNIC address space announced:         78.8
      
      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:                    141428
          Total ARIN prefixes after maximum aggregation:                72827
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           113365
          Unique aggregates announced from the ARIN address blocks:     46672
      ARIN Region origin ASes present in the Internet Routing Table:    14469
          ARIN Prefixes per ASN:                                         7.84
      ARIN Region origin ASes announcing only one prefix:                5532
      ARIN Region transit ASes present in the Internet Routing Table:    1522
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          30
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      13
      Number of ARIN addresses announced to Internet:               819612544
          Equivalent to 48 /8s, 218 /16s and 75 /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:                     86545
          Total RIPE prefixes after maximum aggregation:                49132
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            79935
          Unique aggregates announced from the RIPE address blocks:     52845
      RIPE Region origin ASes present in the Internet Routing Table:    15797
          RIPE Prefixes per ASN:                                         5.06
      RIPE Region origin ASes announcing only one prefix:                7877
      RIPE Region transit ASes present in the Internet Routing Table:    2504
      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:     912
      Number of RIPE addresses announced to Internet:               478890496
          Equivalent to 28 /8s, 139 /16s and 74 /24s
          Percentage of available RIPE address space announced:          77.1
      
      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:                   33421
          Total LACNIC prefixes after maximum aggregation:               7576
          LACNIC Deaggregation factor:                                   4.41
      Prefixes being announced from the LACNIC address blocks:          32551
          Unique aggregates announced from the LACNIC address blocks:   16960
      LACNIC Region origin ASes present in the Internet Routing Table:   1476
          LACNIC Prefixes per ASN:                                      22.05
      LACNIC Region origin ASes announcing only one prefix:               444
      LACNIC Region transit ASes present in the Internet Routing Table:   273
      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:   254
      Number of LACNIC addresses announced to Internet:              85900288
          Equivalent to 5 /8s, 30 /16s and 188 /24s
          Percentage of available LACNIC address space announced:        56.9
      
      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:                   8211
          Total AfriNIC prefixes after maximum aggregation:              1965
          AfriNIC Deaggregation factor:                                  4.18
      Prefixes being announced from the AfriNIC address blocks:          6500
          Unique aggregates announced from the AfriNIC address blocks:   2004
      AfriNIC Region origin ASes present in the Internet Routing Table:   470
          AfriNIC Prefixes per ASN:                                     13.83
      AfriNIC Region origin ASes announcing only one prefix:              147
      AfriNIC Region transit ASes present in the Internet Routing Table:  102
      Average AfriNIC Region AS path length visible:                      4.9
          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:             24334336
          Equivalent to 1 /8s, 115 /16s and 80 /24s
          Percentage of available AfriNIC address space announced:       36.3
      
      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     2436      11043         934   Korea Telecom (KIX)
      17974     1787        461          41   PT TELEKOMUNIKASI INDONESIA
       7545     1548        301          85   TPG Internet Pty Ltd
       4755     1498        635         171   TATA Communications formerly 
      24560     1154        336         187   Bharti Airtel Ltd., Telemedia
       9829     1101        922          46   BSNL National Internet Backbo
       9583     1060         78         506   Sify Limited
       4808     1047       2092         299   CNCGROUP IP network: China169
      17488      964        186         105   Hathway IP Over Cable Interne
      18101      931        116         140   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     3610       3819         244   bellsouth.net, inc. 
      18566     1913        365         241   Covad Communications 
       1785     1806        681         122   PaeTec Communications, Inc.
       4323     1656       1082         400   Time Warner Telecom
      20115     1595       1533         634   Charter Communications 
      19262     1429       4778         392   Verizon Global Networks 
       7018     1366       7069         892   AT&T WorldNet Services
      22773     1350       2897          88   Cox Communications, Inc.
       6478     1346        251         618   AT&T Worldnet Services 
       7029     1287        791         301   Windstream Communications Inc
      
      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      536        106         184   BILISIM TELEKOM
       6830      512       1780         317   UPC Distribution Services
       3292      466       2076         401   TDC Tele Danmark
      20940      459        132         354   Akamai Technologies European 
      12479      453        593           7   Uni2 Autonomous System
       8866      447        133          25   Bulgarian Telecommunication C
      29049      441         33          45   AzerSat LLC.
       3320      421       8151         368   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     1543        282         158   TVCABLE BOGOTA 
       8151     1432       2746         353   UniNet S.A. de C.V. 
      28573     1268        995          78   NET Servicos de Comunicao S.A
       7303     1004        512         177   Telecom Argentina Stet-France
       6503      747        354          74   AVANTEL, S.A. 
      14420      688         55          83   CORPORACION NACIONAL DE TELEC
      22047      576        322          17   VTR PUNTO NET S.A. 
       3816      532        230          96   Empresa Nacional de Telecomun
       7738      516        986          31   Telecomunicacoes da Bahia S.A
      27947      508         53          53   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
       8452      797        445          11   TEDATA
      24863      790        147          37   LINKdotNET AS number
      15475      514         74           8   Nile Online
      36992      315        415          14   Etisalat MISR
       3741      260        937         222   The Internet Solution 
       6713      241        215          13   Itissalat Al-MAGHRIB
      33776      227         13           5   Starcomms Nigeria Limited
      24835      211         78          10   RAYA Telecom - Egypt
      29571      158         17          11   Ci Telecom Autonomous system 
      16637      149        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     3610       3819         244   bellsouth.net, inc. 
      23456     2861        699        1535   32-bit ASN transition
       4766     2436      11043         934   Korea Telecom (KIX)
      18566     1913        365         241   Covad Communications 
       1785     1806        681         122   PaeTec Communications, Inc.
      17974     1787        461          41   PT TELEKOMUNIKASI INDONESIA
       4323     1656       1082         400   Time Warner Telecom
      20115     1595       1533         634   Charter Communications 
       7545     1548        301          85   TPG Internet Pty Ltd
      10620     1543        282         158   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      1787        1746      PT TELEKOMUNIKASI INDONESIA
       1785      1806        1684      PaeTec Communications, Inc.
      18566      1913        1672      Covad Communications 
       4766      2436        1502      Korea Telecom (KIX)
       7545      1548        1463      TPG Internet Pty Ltd
      10620      1543        1385      TVCABLE BOGOTA 
       4755      1498        1327      TATA Communications formerly 
      23456      2861        1326      32-bit ASN transition
      22773      1350        1262      Cox Communications, Inc.
       4323      1656        1256      Time Warner Telecom
      
      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        /8:22       /9:12      /10:28      /11:81      /12:232     
      /13:468     /14:804     /15:1401    /16:11993   /17:5887    /18:9815    
      /19:19456   /20:25837   /21:26191   /22:34744   /23:33600   /24:188907  
      /25:1083    /26:1262    /27:735     /28:211     /29:9       /30:2       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2222          3610      bellsouth.net, inc. 
      18566     1869          1913      Covad Communications 
      10620     1438          1543      TVCABLE BOGOTA 
      23456     1406          2861      32-bit ASN transition
       6478     1316          1346      AT&T Worldnet Services 
      11492     1096          1142      Cable One 
       7011     1054          1156      Citizens Utilities 
       1785     1053          1806      PaeTec Communications, Inc.
       7029     1034          1287      Windstream Communications Inc
      22773      864          1350      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:324       2:45        4:16        5:1         6:3         8:337    
        12:1976     13:1        14:481      15:15       16:3        17:5      
        20:10       23:13       24:1678     27:814      31:490      32:64     
        33:4        34:2        36:4        38:744      40:103      41:2564   
        42:32       44:3        46:1036     47:3        49:198      50:442    
        52:13       54:2        55:4        56:2        57:35       58:860    
        59:479      60:386      61:1180     62:1036     63:1935     64:3942   
        65:2294     66:3869     67:1897     68:1091     69:3040     70:758    
        71:389      72:1886     74:2389     75:316      76:341      77:888    
        78:712      79:461      80:1116     81:839      82:498      83:456    
        84:692      85:1073     86:554      87:759      88:335      89:1531   
        90:223      91:3946     92:533      93:1052     94:1334     95:855    
        96:446      97:256      98:891      99:37      101:77      103:115    
       106:10      107:21      108:70      109:1028    110:614     111:706    
       112:304     113:400     114:534     115:674     116:962     117:667    
       118:857     119:1161    120:312     121:675     122:1581    123:973    
       124:1304    125:1231    128:246     129:172     130:168     131:578    
       132:112     133:21      134:214     135:48      136:216     137:136    
       138:299     139:116     140:477     141:240     142:403     143:416    
       144:483     145:54      146:449     147:215     148:661     149:248    
       150:164     151:189     152:331     153:182     154:4       155:398    
       156:198     157:354     158:138     159:450     160:311     161:201    
       162:309     163:165     164:503     165:358     166:530     167:431    
       168:740     169:155     170:847     171:78      172:1       173:1642   
       174:610     175:379     176:141     177:163     178:988     180:880    
       181:23      182:488     183:204     184:342     185:1       186:1273   
       187:682     188:878     189:934     190:4949    192:5883    193:4968   
       194:3520    195:3032    196:1237    197:41      198:3573    199:3955   
       200:5534    201:1490    202:8396    203:8425    204:4215    205:2306   
       206:2677    207:2810    208:3965    209:3444    210:2681    211:1465   
       212:2097    213:1742    214:782     215:70      216:4937    217:1639   
       218:537     219:359     220:1189    221:492     222:357     223:185    
      
      
      End of report