[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, 12 Feb 2011 04:26:34 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • 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 <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 12 Feb, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              345778
          Prefixes after maximum aggregation:                          155766
          Deaggregation factor:                                          2.22
          Unique aggregates announced to Internet:                     170953
      Total ASes present in the Internet Routing Table:                 35854
          Prefixes per ASN:                                              9.64
      Origin-only ASes present in the Internet Routing Table:           30896
      Origin ASes announcing only one prefix:                           14961
      Transit ASes present in the Internet Routing Table:                4958
      Transit-only ASes present in the Internet Routing Table:            124
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      31
          Max AS path prepend of ASN (36992)                               29
      Prefixes from unregistered ASNs in the Routing Table:               332
          Unregistered ASNs in the Routing Table:                         131
      Number of 32-bit ASNs allocated by the RIRs:                       1110
      Prefixes from 32-bit ASNs in the Routing Table:                       1
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            205
      Number of addresses announced to Internet:                   2391302464
          Equivalent to 142 /8s, 136 /16s and 97 /24s
          Percentage of available address space announced:               64.5
          Percentage of allocated address space announced:               64.5
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               87.9
      Total number of prefixes smaller than registry allocations:      142918
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    85341
          Total APNIC prefixes after maximum aggregation:               28875
          APNIC Deaggregation factor:                                    2.96
      Prefixes being announced from the APNIC address blocks:           82125
          Unique aggregates announced from the APNIC address blocks:    35753
      APNIC Region origin ASes present in the Internet Routing Table:    4317
          APNIC Prefixes per ASN:                                       19.02
      APNIC Region origin ASes announcing only one prefix:               1203
      APNIC Region transit ASes present in the Internet Routing Table:    690
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              587134752
          Equivalent to 34 /8s, 254 /16s and 247 /24s
          Percentage of available APNIC address space announced:         74.5
      
      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:                    139230
          Total ARIN prefixes after maximum aggregation:                71212
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           110113
          Unique aggregates announced from the ARIN address blocks:     44882
      ARIN Region origin ASes present in the Internet Routing Table:    14196
          ARIN Prefixes per ASN:                                         7.76
      ARIN Region origin ASes announcing only one prefix:                5420
      ARIN Region transit ASes present in the Internet Routing Table:    1476
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN addresses announced to Internet:               786454144
          Equivalent to 46 /8s, 224 /16s and 86 /24s
          Percentage of available ARIN address space announced:          62.5
      
      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:                     81886
          Total RIPE prefixes after maximum aggregation:                46434
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            75207
          Unique aggregates announced from the RIPE address blocks:     48805
      RIPE Region origin ASes present in the Internet Routing Table:    15293
          RIPE Prefixes per ASN:                                         4.92
      RIPE Region origin ASes announcing only one prefix:                7772
      RIPE Region transit ASes present in the Internet Routing Table:    2377
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               459033920
          Equivalent to 27 /8s, 92 /16s and 77 /24s
          Percentage of available RIPE address space announced:          73.9
      
      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:                   31630
          Total LACNIC prefixes after maximum aggregation:               7330
          LACNIC Deaggregation factor:                                   4.32
      Prefixes being announced from the LACNIC address blocks:          30383
          Unique aggregates announced from the LACNIC address blocks:   15919
      LACNIC Region origin ASes present in the Internet Routing Table:   1430
          LACNIC Prefixes per ASN:                                      21.25
      LACNIC Region origin ASes announcing only one prefix:               434
      LACNIC Region transit ASes present in the Internet Routing Table:   258
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              80671104
          Equivalent to 4 /8s, 206 /16s and 241 /24s
          Percentage of available LACNIC address space announced:        53.4
      
      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:                   7471
          Total AfriNIC prefixes after maximum aggregation:              1804
          AfriNIC Deaggregation factor:                                  4.14
      Prefixes being announced from the AfriNIC address blocks:          5880
          Unique aggregates announced from the AfriNIC address blocks:   1832
      AfriNIC Region origin ASes present in the Internet Routing Table:   435
          AfriNIC Prefixes per ASN:                                     13.52
      AfriNIC Region origin ASes announcing only one prefix:              131
      AfriNIC Region transit ASes present in the Internet Routing Table:   93
      Average AfriNIC Region AS path length visible:                      5.3
          Max AfriNIC Region AS path length visible:                       31
      Number of AfriNIC addresses announced to Internet:             21855488
          Equivalent to 1 /8s, 77 /16s and 125 /24s
          Percentage of available AfriNIC address space announced:       32.6
      
      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     1991       9487         584   Korea Telecom (KIX)
       7545     1633        301          84   TPG Internet Pty Ltd
       4755     1412        633         161   TATA Communications formerly 
      17974     1408        467          28   PT TELEKOMUNIKASI INDONESIA
      24560     1108        323         181   Bharti Airtel Ltd., Telemedia
       4808     1042       2142         294   CNCGROUP IP network: China169
       9583     1042         76         487   Sify Limited
      17488      952        162         104   Hathway IP Over Cable Interne
      18101      929        117         144   Reliance Infocom Ltd Internet
       9829      898        763          42   BSNL National Internet Backbo
      
      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     3704       3855         264   bellsouth.net, inc. 
       4323     2625       1109         403   Time Warner Telecom
      19262     1842       4951         283   Verizon Global Networks 
       1785     1786        697         131   PaeTec Communications, Inc.
      20115     1529       1534         646   Charter Communications 
       6478     1500        296          62   AT&T Worldnet Services 
       7018     1353       6673         870   AT&T WorldNet Services
       2386     1299        553         936   AT&T Data Communications Serv
      11492     1282        236          73   Cable One 
      18566     1282        311         104   Covad Communications 
      
      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
       6830      511       1764         316   UPC Distribution Services
       9198      465        266          14   Kazakhtelecom Data Network Ad
      34984      456         97         137   BILISIM TELEKOM
       3292      445       1996         387   TDC Tele Danmark
       8866      440        133          23   Bulgarian Telecommunication C
       3320      406       7620         355   Deutsche Telekom AG
       8551      403        353          46   Bezeq International
      20940      401         93         308   Akamai Technologies European 
        702      395       1800         308   UUNET - Commercial IP service
       3301      383       1822         341   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     1371        255         165   TVCABLE BOGOTA 
       8151     1342       2663         359   UniNet S.A. de C.V. 
      28573     1237        961          82   NET Servicos de Comunicao S.A
       6503     1189        355          78   AVANTEL, S.A. 
       7303      872        445         142   Telecom Argentina Stet-France
      14420      638         57          92   CORPORACION NACIONAL DE TELEC
      22047      543        310          15   VTR PUNTO NET S.A. 
       3816      503        220          94   Empresa Nacional de Telecomun
       7738      478        922          30   Telecomunicacoes da Bahia S.A
      27947      458         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      771        445          11   TEDATA
      24863      763        147          39   LINKdotNET AS number
      36992      584        305          17   Etisalat MISR
       3741      264        987         226   The Internet Solution 
      15475      220         56           9   Nile Online
      24835      218         78          10   RAYA Telecom - Egypt
       6713      205        199          12   Itissalat Al-MAGHRIB
      33776      194         12          15   Starcomms Nigeria Limited
      29571      193         19          11   Ci Telecom Autonomous system 
      16637      147        422          83   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     3704       3855         264   bellsouth.net, inc. 
       4323     2625       1109         403   Time Warner Telecom
       4766     1991       9487         584   Korea Telecom (KIX)
      19262     1842       4951         283   Verizon Global Networks 
       1785     1786        697         131   PaeTec Communications, Inc.
       7545     1633        301          84   TPG Internet Pty Ltd
      20115     1529       1534         646   Charter Communications 
       6478     1500        296          62   AT&T Worldnet Services 
       4755     1412        633         161   TATA Communications formerly 
      17974     1408        467          28   PT TELEKOMUNIKASI INDONESIA
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2625        2222      Time Warner Telecom
       1785      1786        1655      PaeTec Communications, Inc.
      19262      1842        1559      Verizon Global Networks 
       7545      1633        1549      TPG Internet Pty Ltd
       6478      1500        1438      AT&T Worldnet Services 
       4766      1991        1407      Korea Telecom (KIX)
      17974      1408        1380      PT TELEKOMUNIKASI INDONESIA
       4755      1412        1251      TATA Communications formerly 
      11492      1282        1209      Cable One 
      10620      1371        1206      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED  12.0.252.0/23         7018       AT&T WorldNet Servic
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      13746   UNALLOCATED  12.24.56.0/24         7018       AT&T WorldNet Servic
      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
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      5.0.0.0/16           12654     RIPE NCC RIS Project
      5.1.0.0/21           12654     RIPE NCC RIS Project
      5.1.24.0/24          12654     RIPE NCC RIS Project
      24.129.192.0/19       7922     Continental Cablevision 
      31.28.0.0/19         29076     Hoster.RU autonomous system
      37.0.0.0/16          12654     RIPE NCC RIS Project
      37.1.0.0/21          12654     RIPE NCC RIS Project
      37.1.24.0/24         12654     RIPE NCC RIS Project
      39.0.0.0/8             237     Merit Network 
      41.57.192.0/18       22750     BCSNET
      
      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        /8:21       /9:10      /10:26      /11:71      /12:215     
      /13:444     /14:764     /15:1364    /16:11492   /17:5636    /18:9315    
      /19:18823   /20:24344   /21:24767   /22:32958   /23:31632   /24:181055  
      /25:986     /26:1087    /27:570     /28:171     /29:16      /30:3       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2283          3704      bellsouth.net, inc. 
       6478     1454          1500      AT&T Worldnet Services 
       4323     1414          2625      Time Warner Telecom
      10620     1262          1371      TVCABLE BOGOTA 
      18566     1260          1282      Covad Communications 
      11492     1239          1282      Cable One 
       7011     1062          1165      Citizens Utilities 
       1785     1055          1786      PaeTec Communications, Inc.
       6503      966          1189      AVANTEL, S.A. 
      19262      954          1842      Verizon Global Networks 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:177       2:45        4:13        5:1         8:331      12:2028   
        13:1        14:412      15:15       16:3        17:8        20:9      
        23:1        24:1480     27:579      32:61       33:5        34:2      
        37:1        38:701      40:101      41:2285     44:3        46:585    
        47:5        49:145      50:82       52:12       55:7        56:2      
        57:32       58:868      59:477      60:391      61:1114     62:1095   
        63:1944     64:3781     65:2363     66:4163     67:1761     68:1025   
        69:2914     70:739      71:400      72:2006     73:1        74:2324   
        75:292      76:345      77:864      78:705      79:444      80:1048   
        81:824      82:538      83:471      84:645      85:1052     86:553    
        87:740      88:355      89:1574     90:156      91:3462     92:494    
        93:1040     94:1200     95:754      96:428      97:251      98:792    
        99:33      101:27      107:3       108:88      109:955     110:471    
       111:695     112:311     113:360     114:502     115:640     116:934    
       117:679     118:668     119:1021    120:239     121:702     122:1634   
       123:1061    124:1270    125:1225    128:264     129:153     130:172    
       131:570     132:109     133:20      134:217     135:49      136:216    
       137:147     138:291     139:117     140:492     141:196     142:358    
       143:387     144:483     145:51      146:431     147:202     148:635    
       149:274     150:161     151:229     152:306     153:179     154:3      
       155:350     156:176     157:342     158:129     159:380     160:314    
       161:205     162:272     163:161     164:486     165:339     166:498    
       167:422     168:742     169:151     170:750     171:69      172:2      
       173:1289    174:519     175:315     176:1       177:4       178:758    
       180:796     182:350     183:240     184:209     186:988     187:809    
       188:908     189:1044    190:4340    192:5797    193:4799    194:3504   
       195:2955    196:1177    197:3       198:3576    199:3829    200:5573   
       201:1580    202:8272    203:8432    204:4115    205:2337    206:2631   
       207:3081    208:3899    209:3496    210:2650    211:1334    212:1886   
       213:1731    214:756     215:62      216:4885    217:1612    218:532    
       219:376     220:1203    221:449     222:313     223:97     
      
      End of report