[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, 20 Aug 2011 05:08:03 +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 20 Aug, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              368024
          Prefixes after maximum aggregation:                          166632
          Deaggregation factor:                                          2.21
          Unique aggregates announced to Internet:                     182554
      Total ASes present in the Internet Routing Table:                 38538
          Prefixes per ASN:                                              9.55
      Origin-only ASes present in the Internet Routing Table:           31989
      Origin ASes announcing only one prefix:                           15372
      Transit ASes present in the Internet Routing Table:                5224
      Transit-only ASes present in the Internet Routing Table:            144
      Average AS path length visible in the Internet Routing Table:       4.4
          Max AS path length visible:                                      34
          Max AS path prepend of ASN (22394)                               31
      Prefixes from unregistered ASNs in the Routing Table:              1107
          Unregistered ASNs in the Routing Table:                         630
      Number of 32-bit ASNs allocated by the RIRs:                       1659
      Number of 32-bit ASNs visible in the Routing Table:                1325
      Prefixes from 32-bit ASNs in the Routing Table:                    3080
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            112
      Number of addresses announced to Internet:                   2469201344
          Equivalent to 147 /8s, 45 /16s and 5 /24s
          Percentage of available address space announced:               66.6
          Percentage of allocated address space announced:               66.6
          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:      153512
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    92411
          Total APNIC prefixes after maximum aggregation:               30460
          APNIC Deaggregation factor:                                    3.03
      Prefixes being announced from the APNIC address blocks:           88936
          Unique aggregates announced from the APNIC address blocks:    37698
      APNIC Region origin ASes present in the Internet Routing Table:    4537
          APNIC Prefixes per ASN:                                       19.60
      APNIC Region origin ASes announcing only one prefix:               1245
      APNIC Region transit ASes present in the Internet Routing Table:    716
      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:     73
      Number of APNIC addresses announced to Internet:              624234272
          Equivalent to 37 /8s, 53 /16s and 15 /24s
          Percentage of available APNIC address space announced:         79.2
      
      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:                    142440
          Total ARIN prefixes after maximum aggregation:                73359
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           114314
          Unique aggregates announced from the ARIN address blocks:     47154
      ARIN Region origin ASes present in the Internet Routing Table:    14593
          ARIN Prefixes per ASN:                                         7.83
      ARIN Region origin ASes announcing only one prefix:                5613
      ARIN Region transit ASes present in the Internet Routing Table:    1545
      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:               803789568
          Equivalent to 47 /8s, 232 /16s and 219 /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:                     87511
          Total RIPE prefixes after maximum aggregation:                49738
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            80704
          Unique aggregates announced from the RIPE address blocks:     53464
      RIPE Region origin ASes present in the Internet Routing Table:    15904
          RIPE Prefixes per ASN:                                         5.07
      RIPE Region origin ASes announcing only one prefix:                7918
      RIPE Region transit ASes present in the Internet Routing Table:    2507
      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:     949
      Number of RIPE addresses announced to Internet:               487724544
          Equivalent to 29 /8s, 18 /16s and 22 /24s
          Percentage of available RIPE address space announced:          78.6
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-52223, 56320-58367
                             196608-198655
      RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                              62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                             176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
                             213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   34083
          Total LACNIC prefixes after maximum aggregation:               7645
          LACNIC Deaggregation factor:                                   4.46
      Prefixes being announced from the LACNIC address blocks:          33332
          Unique aggregates announced from the LACNIC address blocks:   17319
      LACNIC Region origin ASes present in the Internet Routing Table:   1503
          LACNIC Prefixes per ASN:                                      22.18
      LACNIC Region origin ASes announcing only one prefix:               444
      LACNIC Region transit ASes present in the Internet Routing Table:   276
      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:   287
      Number of LACNIC addresses announced to Internet:              87644928
          Equivalent to 5 /8s, 57 /16s and 91 /24s
          Percentage of available LACNIC address space announced:        58.0
      
      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:                   8326
          Total AfriNIC prefixes after maximum aggregation:              2041
          AfriNIC Deaggregation factor:                                  4.08
      Prefixes being announced from the AfriNIC address blocks:          6423
          Unique aggregates announced from the AfriNIC address blocks:   2088
      AfriNIC Region origin ASes present in the Internet Routing Table:   483
          AfriNIC Prefixes per ASN:                                     13.30
      AfriNIC Region origin ASes announcing only one prefix:              152
      AfriNIC Region transit ASes present in the Internet Routing Table:  106
      Average AfriNIC Region AS path length visible:                      5.7
          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:             26893056
          Equivalent to 1 /8s, 154 /16s and 91 /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     2498      11046         950   Korea Telecom (KIX)
      17974     1821        516          31   PT TELEKOMUNIKASI INDONESIA
       7545     1576        301          83   TPG Internet Pty Ltd
       4755     1534        635         169   TATA Communications formerly 
       7552     1412       1064           7   Vietel Corporation
      24560     1199        336         187   Bharti Airtel Ltd., Telemedia
       9829     1153        989          28   BSNL National Internet Backbo
       9583     1076         79         496   Sify Limited
       4808     1067       2098         306   CNCGROUP IP network: China169
      17488     1002        188         139   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     3585       3817         227   bellsouth.net, inc. 
      18566     1912        364         240   Covad Communications 
       1785     1819        680         123   PaeTec Communications, Inc.
       4323     1618       1086         401   Time Warner Telecom
      20115     1586       1537         630   Charter Communications 
       7029     1576        991         229   Windstream Communications Inc
      22773     1434       2903          97   Cox Communications, Inc.
      19262     1406       4778         396   Verizon Global Networks 
       7018     1351       7050         882   AT&T WorldNet Services
       2386     1230        516         892   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      541        107         183   BILISIM TELEKOM
       6830      512       1788         317   UPC Distribution Services
      20940      475        135         368   Akamai Technologies European 
       3292      469       2080         404   TDC Tele Danmark
       8866      458        133          26   Bulgarian Telecommunication C
      12479      456        593           7   Uni2 Autonomous System
       3320      425       8151         371   Deutsche Telekom AG
      29049      424         31          55   AzerSat LLC.
       8551      404        354          44   Bezeq International
       3301      398       1855         347   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     1591        294         163   TVCABLE BOGOTA 
       8151     1401       2770         354   UniNet S.A. de C.V. 
      28573     1266        996          67   NET Servicos de Comunicao S.A
       7303     1064        578         176   Telecom Argentina Stet-France
       6503      743        450          75   AVANTEL, S.A. 
      14420      705         56          85   CORPORACION NACIONAL DE TELEC
      22047      578        322          17   VTR PUNTO NET S.A. 
       3816      532        232          96   Empresa Nacional de Telecomun
      27947      518         53          54   Telconet S.A
       7738      515        986          31   Telecomunicacoes da Bahia S.A
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      808        145          59   LINKdotNET AS number
       8452      639        445          11   TEDATA
      15475      512         74           8   Nile Online
      36992      302        415          14   Etisalat MISR
       3741      265        937         226   The Internet Solution 
       6713      244        519          14   Itissalat Al-MAGHRIB
      33776      226         13           8   Starcomms Nigeria Limited
      15706      219         32           6   Sudatel Internet Exchange Aut
      12258      194         28          61   Vodacom Internet Company 
      24835      179         78          10   RAYA Telecom - Egypt
      
      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     3585       3817         227   bellsouth.net, inc. 
      23456     3080        733        1651   32-bit ASN transition
       4766     2498      11046         950   Korea Telecom (KIX)
      18566     1912        364         240   Covad Communications 
      17974     1821        516          31   PT TELEKOMUNIKASI INDONESIA
       1785     1819        680         123   PaeTec Communications, Inc.
       4323     1618       1086         401   Time Warner Telecom
      10620     1591        294         163   TVCABLE BOGOTA 
      20115     1586       1537         630   Charter Communications 
       7029     1576        991         229   Windstream Communications Inc
      
      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      1821        1790      PT TELEKOMUNIKASI INDONESIA
       1785      1819        1696      PaeTec Communications, Inc.
      18566      1912        1672      Covad Communications 
       4766      2498        1548      Korea Telecom (KIX)
       7545      1576        1493      TPG Internet Pty Ltd
      23456      3080        1429      32-bit ASN transition
      10620      1591        1428      TVCABLE BOGOTA 
       7552      1412        1405      Vietel Corporation
       4755      1534        1365      TATA Communications formerly 
       7029      1576        1347      Windstream 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        /8:19       /9:12      /10:27      /11:81      /12:233     
      /13:460     /14:796     /15:1418    /16:11935   /17:5924    /18:9961    
      /19:19532   /20:26588   /21:26596   /22:35566   /23:34251   /24:191318  
      /25:1098    /26:1303    /27:739     /28:158     /29:4       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2217          3585      bellsouth.net, inc. 
      18566     1868          1912      Covad Communications 
      23456     1507          3080      32-bit ASN transition
      10620     1486          1591      TVCABLE BOGOTA 
       7029     1277          1576      Windstream Communications Inc
      11492     1102          1148      Cable One 
       7011     1058          1161      Citizens Utilities 
       1785     1052          1819      PaeTec Communications, Inc.
      22773      930          1434      Cox Communications, Inc.
      30036      911           935      Mediacom Communications Corp 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:358       2:46        4:15        5:1         6:3         8:343    
        12:1954     13:1        14:505      15:15       16:3        17:5      
        20:10       23:27       24:1683     27:875      31:517      32:64     
        33:4        34:2        36:4        38:733      40:107      41:2458   
        42:45       44:3        46:1059     47:3        49:219      50:409    
        52:13       54:2        55:9        56:2        57:35       58:864    
        59:499      60:376      61:1179     62:1084     63:1928     64:3996   
        65:2300     66:3930     67:1916     68:1112     69:3085     70:779    
        71:372      72:1845     74:2437     75:329      76:339      77:861    
        78:710      79:479      80:1129     81:831      82:492      83:476    
        84:686      85:1078     86:499      87:839      88:335      89:1537   
        90:224      91:4037     92:526      93:1133     94:1339     95:872    
        96:419      97:267      98:924      99:37      101:78      103:212    
       106:69      107:32      108:74      109:1009    110:627     111:731    
       112:305     113:412     114:558     115:696     116:997     117:675    
       118:877     119:1225    120:314     121:689     122:1615    123:984    
       124:1317    125:1319    128:246     129:176     130:169     131:580    
       132:116     133:21      134:213     135:51      136:216     137:137    
       138:296     139:116     140:488     141:277     142:382     143:439    
       144:484     145:58      146:462     147:216     148:645     149:252    
       150:201     151:190     152:441     153:185     154:5       155:401    
       156:200     157:330     158:133     159:458     160:319     161:207    
       162:328     163:163     164:516     165:367     166:533     167:433    
       168:747     169:153     170:844     171:81      172:1       173:1652   
       174:613     175:393     176:153     177:229     178:957     180:936    
       181:26      182:528     183:242     184:364     185:1       186:1365   
       187:743     188:933     189:929     190:5131    192:5921    193:4984   
       194:3511    195:3038    196:1230    197:126     198:3591    199:4039   
       200:5517    201:1490    202:8410    203:8483    204:4248    205:2339   
       206:2672    207:2808    208:3998    209:3416    210:2706    211:1461   
       212:2085    213:1766    214:782     215:70      216:4865    217:1607   
       218:553     219:354     220:1220    221:515     222:354     223:241    
      
      
      End of report