[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 27 Nov 2010 05:40:29 +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 27 Nov, 2010
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              336618
          Prefixes after maximum aggregation:                          152156
          Deaggregation factor:                                          2.21
          Unique aggregates announced to Internet:                     165085
      Total ASes present in the Internet Routing Table:                 35344
          Prefixes per ASN:                                              9.52
      Origin-only ASes present in the Internet Routing Table:           30444
      Origin ASes announcing only one prefix:                           14895
      Transit ASes present in the Internet Routing Table:                4900
      Transit-only ASes present in the Internet Routing Table:            121
      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:               494
          Unregistered ASNs in the Routing Table:                         223
      Number of 32-bit ASNs allocated by the RIRs:                        921
      Prefixes from 32-bit ASNs in the Routing Table:                       4
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            188
      Number of addresses announced to Internet:                   2311338848
          Equivalent to 137 /8s, 196 /16s and 59 /24s
          Percentage of available address space announced:               62.4
          Percentage of allocated address space announced:               65.6
          Percentage of available address space allocated:               95.0
          Percentage of address space in use by end-sites:               86.2
      Total number of prefixes smaller than registry allocations:      138184
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    83261
          Total APNIC prefixes after maximum aggregation:               28210
          APNIC Deaggregation factor:                                    2.95
      Prefixes being announced from the APNIC address blocks:           80180
          Unique aggregates announced from the APNIC address blocks:    34447
      APNIC Region origin ASes present in the Internet Routing Table:    4251
          APNIC Prefixes per ASN:                                       18.86
      APNIC Region origin ASes announcing only one prefix:               1194
      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:                         18
      Number of APNIC addresses announced to Internet:              571809824
          Equivalent to 34 /8s, 21 /16s and 32 /24s
          Percentage of available APNIC address space announced:         77.5
      
      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,  42/8,  43/8,  49/8,
                              58/8,  59/8,  60/8,  61/8, 101/8, 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:                    136335
          Total ARIN prefixes after maximum aggregation:                69801
          ARIN Deaggregation factor:                                     1.95
      Prefixes being announced from the ARIN address blocks:           107499
          Unique aggregates announced from the ARIN address blocks:     43805
      ARIN Region origin ASes present in the Internet Routing Table:    14036
          ARIN Prefixes per ASN:                                         7.66
      ARIN Region origin ASes announcing only one prefix:                5381
      ARIN Region transit ASes present in the Internet Routing Table:    1487
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN addresses announced to Internet:               741285376
          Equivalent to 44 /8s, 47 /16s and 30 /24s
          Percentage of available ARIN address space announced:          64.0
      
      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,  24/8,  26/8,  28/8,  29/8,
                              30/8,  32/8,  33/8,  34/8,  35/8,  38/8,  40/8,
                              44/8,  47/8,  48/8,  50/8,  52/8,  54/8,  55/8,
                              56/8,  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, 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:                     78369
          Total RIPE prefixes after maximum aggregation:                45055
          RIPE Deaggregation factor:                                     1.74
      Prefixes being announced from the RIPE address blocks:            71927
          Unique aggregates announced from the RIPE address blocks:     46615
      RIPE Region origin ASes present in the Internet Routing Table:    15053
          RIPE Prefixes per ASN:                                         4.78
      RIPE Region origin ASes announcing only one prefix:                7742
      RIPE Region transit ASes present in the Internet Routing Table:    2334
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               446006976
          Equivalent to 26 /8s, 149 /16s and 134 /24s
          Percentage of available RIPE address space announced:          78.2
      
      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, 196608-197631
      RIPE Address Blocks      2/8,  25/8,  31/8,  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,
                             193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   30746
          Total LACNIC prefixes after maximum aggregation:               7098
          LACNIC Deaggregation factor:                                   4.33
      Prefixes being announced from the LACNIC address blocks:          29454
          Unique aggregates announced from the LACNIC address blocks:   15267
      LACNIC Region origin ASes present in the Internet Routing Table:   1400
          LACNIC Prefixes per ASN:                                      21.04
      LACNIC Region origin ASes announcing only one prefix:               442
      LACNIC Region transit ASes present in the Internet Routing Table:   245
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              78080512
          Equivalent to 4 /8s, 167 /16s and 106 /24s
          Percentage of available LACNIC address space announced:        58.2
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 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:                   7665
          Total AfriNIC prefixes after maximum aggregation:              1872
          AfriNIC Deaggregation factor:                                  4.09
      Prefixes being announced from the AfriNIC address blocks:          5958
          Unique aggregates announced from the AfriNIC address blocks:   1751
      AfriNIC Region origin ASes present in the Internet Routing Table:   419
          AfriNIC Prefixes per ASN:                                     14.22
      AfriNIC Region origin ASes announcing only one prefix:              136
      AfriNIC Region transit ASes present in the Internet Routing Table:   93
      Average AfriNIC Region AS path length visible:                      5.2
          Max AfriNIC Region AS path length visible:                       31
      Number of AfriNIC addresses announced to Internet:             21409792
          Equivalent to 1 /8s, 70 /16s and 176 /24s
          Percentage of available AfriNIC address space announced:       42.5
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 105/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1873       9470         522   Korea Telecom (KIX)
       7545     1453        299          80   TPG Internet Pty Ltd
       4755     1385        639         158   TATA Communications formerly 
      17488     1368        157         121   Hathway IP Over Cable Interne
      17974     1316        427          27   PT TELEKOMUNIKASI INDONESIA
       9583     1035         75         487   Sify Limited
      24560     1030        309         166   Bharti Airtel Ltd., Telemedia
       4808      982       1714         265   CNCGROUP IP network: China169
      18101      908        116         141   Reliance Infocom Ltd Internet
       9829      836        696          31   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     3742       3890         273   bellsouth.net, inc. 
       4323     2653       1088         402   Time Warner Telecom
      19262     1839       4868         283   Verizon Global Networks 
       1785     1803        697         132   PaeTec Communications, Inc.
      20115     1512       1532         640   Charter Communications 
       6478     1413        285          80   AT&T Worldnet Services 
       7018     1395       5670         891   AT&T WorldNet Services
       2386     1312        572         930   AT&T Data Communications Serv
      11492     1260        233          62   Cable One 
      22773     1255       2864          72   Cox 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
       3215      477       3238          97   France Telecom Transpac
       3292      445       2010         387   TDC Tele Danmark
       8866      438        134          24   Bulgarian Telecommunication C
       9198      416        202          13   Kazakhtelecom Data Network Ad
       8551      401        353          46   Bezeq International
      34984      401         92         192   BILISIM TELEKOM
        702      397       1865         311   UUNET - Commercial IP service
       3301      383       1696         336   TeliaNet Sweden
      12479      382        576           5   Uni2 Autonomous System
       3320      381       7317         334   Deutsche Telekom AG
      
      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
       8151     1342       2625         365   UniNet S.A. de C.V. 
      10620     1335        249         158   TVCABLE BOGOTA 
      28573     1186        932          79   NET Servicos de Comunicao S.A
       6503     1158        355          80   AVANTEL, S.A. 
       7303      827        441         105   Telecom Argentina Stet-France
      14420      575         49          83   CORPORACION NACIONAL DE TELEC
      22047      564        310          15   VTR PUNTO NET S.A. 
       3816      489        214          96   Empresa Nacional de Telecomun
       7738      478        922          30   Telecomunicacoes da Bahia S.A
      14117      450         32          29   Telefonica del Sur 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     1122        445          10   TEDATA
      24863      742        147          39   LINKdotNET AS number
      36992      653        278         161   Etisalat MISR
       3741      264        923         226   The Internet Solution 
       6713      203        199          12   Itissalat Al-MAGHRIB
      24835      198         78          10   RAYA Telecom - Egypt
      29571      197         19          11   Ci Telecom Autonomous system 
       2018      196        277          64   Tertiary Education Network 
      33776      195         12          14   Starcomms Nigeria Limited
      16637      153        423          87   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     3742       3890         273   bellsouth.net, inc. 
       4323     2653       1088         402   Time Warner Telecom
       4766     1873       9470         522   Korea Telecom (KIX)
      19262     1839       4868         283   Verizon Global Networks 
       1785     1803        697         132   PaeTec Communications, Inc.
      20115     1512       1532         640   Charter Communications 
       7545     1453        299          80   TPG Internet Pty Ltd
       6478     1413        285          80   AT&T Worldnet Services 
       7018     1395       5670         891   AT&T WorldNet Services
       4755     1385        639         158   TATA Communications formerly 
      
      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      2653        2251      Time Warner Telecom
       1785      1803        1671      PaeTec Communications, Inc.
      19262      1839        1556      Verizon Global Networks 
       7545      1453        1373      TPG Internet Pty Ltd
       4766      1873        1351      Korea Telecom (KIX)
       6478      1413        1333      AT&T Worldnet Services 
      17974      1316        1289      PT TELEKOMUNIKASI INDONESIA
      17488      1368        1247      Hathway IP Over Cable Interne
       4755      1385        1227      TATA Communications formerly 
      11492      1260        1198      Cable One 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      46164   UNALLOCATED  4.23.88.0/24          7018       AT&T WorldNet Servic
      46164   UNALLOCATED  4.23.89.0/24          7018       AT&T WorldNet Servic
      46164   UNALLOCATED  4.23.92.0/23          7018       AT&T WorldNet Servic
      46164   UNALLOCATED  4.23.94.0/23          7018       AT&T WorldNet Servic
      46164   UNALLOCATED  4.38.0.0/21           7018       AT&T WorldNet Servic
      46164   UNALLOCATED  4.38.8.0/21           7018       AT&T WorldNet Servic
      46164   UNALLOCATED  4.43.50.0/24          7018       AT&T WorldNet Servic
      46164   UNALLOCATED  4.43.51.0/24          7018       AT&T WorldNet Servic
      46164   UNALLOCATED  4.67.96.0/21          7018       AT&T WorldNet Servic
      46164   UNALLOCATED  4.67.104.0/21         7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      31.0.0.0/16          12654     RIPE NCC RIS Project
      31.1.0.0/21          12654     RIPE NCC RIS Project
      31.1.24.0/24         12654     RIPE NCC RIS Project
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      46.22.128.0/20       39122     Blacknight Internet Solutions
      46.142.0.0/16        25295     Autonomous System of KielNET 
      46.162.64.0/18       29518     Labs2
      46.182.120.0/22      16265     LeaseWeb AS Macro
      62.61.220.0/24       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       /9:10      /10:25      /11:70      /12:208     
      /13:426     /14:749     /15:1332    /16:11325   /17:5490    /18:9197    
      /19:18485   /20:23713   /21:24084   /22:31717   /23:30443   /24:176498  
      /25:981     /26:1081    /27:585     /28:158     /29:12      /30:2       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2310          3742      bellsouth.net, inc. 
       4323     1432          2653      Time Warner Telecom
       6478     1371          1413      AT&T Worldnet Services 
      10620     1227          1335      TVCABLE BOGOTA 
      11492     1217          1260      Cable One 
       1785     1078          1803      PaeTec Communications, Inc.
      18566     1073          1092      Covad Communications 
       7011     1060          1161      Citizens Utilities 
       8452      985          1122      TEDATA
      19262      958          1839      Verizon Global Networks 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:101       2:29        4:13        8:316      12:2023     13:6      
        14:69       15:17       16:3        17:8        20:9        24:1418   
        27:461      31:1        32:61       33:8        34:2        36:1      
        38:717      40:101      41:2655     42:1        44:3        46:289    
        47:10       49:30       50:13       52:12       55:5        56:2      
        57:29       58:852      59:499      60:499      61:1145     62:1013   
        63:1941     64:3716     65:2329     66:4086     67:1793     68:996    
        69:2809     70:719      71:382      72:1920     74:2281     75:285    
        76:319      77:869      78:678      79:437      80:1043     81:791    
        82:524      83:440      84:627      85:1019     86:484      87:700    
        88:381      89:1583     90:161      91:3235     92:541      93:1007   
        94:1127     95:667      96:403      97:241      98:688      99:33     
       101:3       107:2       108:69      109:769     110:425     111:661    
       112:305     113:324     114:473     115:635     116:1131    117:660    
       118:575     119:995     120:161     121:711     122:1586    123:963    
       124:1238    125:1270    128:227     129:151     130:169     131:556    
       132:235     133:20      134:207     135:46      136:210     137:146    
       138:287     139:109     140:475     141:195     142:348     143:512    
       144:484     145:54      146:430     147:170     148:640     149:319    
       150:151     151:231     152:294     153:175     154:3       155:365    
       156:166     157:342     158:122     159:367     160:311     161:199    
       162:276     163:165     164:434     165:331     166:465     167:429    
       168:709     169:152     170:720     171:67      172:2       173:1111   
       174:443     175:254     176:1       178:635     180:709     182:518    
       183:243     184:186     186:853     187:744     188:858     189:1022   
       190:4226    192:5772    193:4795    194:3469    195:2875    196:1211   
       197:1       198:3527    199:3656    200:5455    201:1576    202:8221   
       203:8323    204:4051    205:2353    206:2519    207:2983    208:3874   
       209:3459    210:2538    211:1297    212:1812    213:1715    214:682    
       215:62      216:4738    217:1607    218:565     219:398     220:1223   
       221:422     222:342     223:76     
      
      End of report