[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, 31 Jul 2010 04:10:38 +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.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 31 Jul, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              327096
          Prefixes after maximum aggregation:                          150524
          Deaggregation factor:                                          2.17
          Unique aggregates announced to Internet:                     159810
      Total ASes present in the Internet Routing Table:                 34482
          Prefixes per ASN:                                              9.49
      Origin-only ASes present in the Internet Routing Table:           29935
      Origin ASes announcing only one prefix:                           14512
      Transit ASes present in the Internet Routing Table:                4547
      Transit-only ASes present in the Internet Routing Table:            101
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      38
          Max AS path prepend of ASN (22394)                               35
      Prefixes from unregistered ASNs in the Routing Table:               306
          Unregistered ASNs in the Routing Table:                         113
      Number of 32-bit ASNs allocated by the RIRs:                        716
      Prefixes from 32-bit ASNs in the Routing Table:                     874
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            165
      Number of addresses announced to Internet:                   2281256256
          Equivalent to 135 /8s, 249 /16s and 53 /24s
          Percentage of available address space announced:               61.5
          Percentage of allocated address space announced:               66.4
          Percentage of available address space allocated:               92.8
          Percentage of address space in use by end-sites:               84.0
      Total number of prefixes smaller than registry allocations:      155817
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    79192
          Total APNIC prefixes after maximum aggregation:               27270
          APNIC Deaggregation factor:                                    2.90
      Prefixes being announced from the APNIC address blocks:           76117
          Unique aggregates announced from the APNIC address blocks:    33644
      APNIC Region origin ASes present in the Internet Routing Table:    4145
          APNIC Prefixes per ASN:                                       18.36
      APNIC Region origin ASes announcing only one prefix:               1154
      APNIC Region transit ASes present in the Internet Routing Table:    633
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              536013088
          Equivalent to 31 /8s, 242 /16s and 233 /24s
          Percentage of available APNIC address space announced:         79.9
      
      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,  43/8,  58/8,  59/8,  60/8,
                              61/8, 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:                    134849
          Total ARIN prefixes after maximum aggregation:                69675
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           107709
          Unique aggregates announced from the ARIN address blocks:     42178
      ARIN Region origin ASes present in the Internet Routing Table:    13823
          ARIN Prefixes per ASN:                                         7.79
      ARIN Region origin ASes announcing only one prefix:                5299
      ARIN Region transit ASes present in the Internet Routing Table:    1367
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          38
      Number of ARIN addresses announced to Internet:               730011936
          Equivalent to 43 /8s, 131 /16s and 25 /24s
          Percentage of available ARIN address space announced:          62.2
      
      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,  45/8,  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:                     75230
          Total RIPE prefixes after maximum aggregation:                43549
          RIPE Deaggregation factor:                                     1.73
      Prefixes being announced from the RIPE address blocks:            68351
          Unique aggregates announced from the RIPE address blocks:     44695
      RIPE Region origin ASes present in the Internet Routing Table:    14643
          RIPE Prefixes per ASN:                                         4.67
      RIPE Region origin ASes announcing only one prefix:                7534
      RIPE Region transit ASes present in the Internet Routing Table:    2180
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               433696384
          Equivalent to 25 /8s, 217 /16s and 174 /24s
          Percentage of available RIPE address space announced:          76.0
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-52223, 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:                   29324
          Total LACNIC prefixes after maximum aggregation:               6984
          LACNIC Deaggregation factor:                                   4.20
      Prefixes being announced from the LACNIC address blocks:          27836
          Unique aggregates announced from the LACNIC address blocks:   14618
      LACNIC Region origin ASes present in the Internet Routing Table:   1317
          LACNIC Prefixes per ASN:                                      21.14
      LACNIC Region origin ASes announcing only one prefix:               406
      LACNIC Region transit ASes present in the Internet Routing Table:   232
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        26
      Number of LACNIC addresses announced to Internet:              75899776
          Equivalent to 4 /8s, 134 /16s and 35 /24s
          Percentage of available LACNIC address space announced:        56.5
      
      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:                   7377
          Total AfriNIC prefixes after maximum aggregation:              1867
          AfriNIC Deaggregation factor:                                  3.95
      Prefixes being announced from the AfriNIC address blocks:          5682
          Unique aggregates announced from the AfriNIC address blocks:   1606
      AfriNIC Region origin ASes present in the Internet Routing Table:   384
          AfriNIC Prefixes per ASN:                                     14.80
      AfriNIC Region origin ASes announcing only one prefix:              119
      AfriNIC Region transit ASes present in the Internet Routing Table:   88
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             19798016
          Equivalent to 1 /8s, 46 /16s and 24 /24s
          Percentage of available AfriNIC address space announced:       59.0
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1856       8409         488   Korea Telecom (KIX)
       4755     1477        298         164   TATA Communications formerly 
       7545     1371        234          87   TPG Internet Pty Ltd
      17488     1343        151         126   Hathway IP Over Cable Interne
      17974     1186        287          60   PT TELEKOMUNIKASI INDONESIA
       9583     1003         74         486   Sify Limited
      24560      994        305         183   Bharti Airtel Ltd., Telemedia
       4808      833       1582         225   CNCGROUP IP network: China169
       9829      817        686          33   BSNL National Internet Backbo
       4134      784      21996         412   CHINANET-BACKBONE
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3881       3716         284   bellsouth.net, inc. 
       4323     2735       1116         397   Time Warner Telecom
      19262     1947       4567         278   Verizon Global Networks 
       1785     1782        698         129   PaeTec Communications, Inc.
      20115     1488       1522         653   Charter Communications 
       7018     1467       5733         953   AT&T WorldNet Services
       2386     1286        554         908   AT&T Data Communications Serv
       6478     1266        253         175   AT&T Worldnet Services 
      22773     1174       2858          61   Cox Communications, Inc.
      11492     1160        209          90   Cable One 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      35805      654         56           6   United Telecom of Georgia
       9198      499        202          13   Kazakhtelecom Data Network Ad
       3292      448       2026         389   TDC Tele Danmark
      30890      444        111         206   Evolva Telecom
        702      412       1853         324   UUNET - Commercial IP service
       8866      403        117          18   Bulgarian Telecommunication C
       8551      401        353          46   Bezeq International
       3320      375       7329         327   Deutsche Telekom AG
       3301      372       1414         327   TeliaNet Sweden
      34984      364         89         183   BILISIM TELEKOM
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1523       3048         247   UniNet S.A. de C.V. 
      10620     1072        240         149   TVCABLE BOGOTA 
      28573     1028        818         100   NET Servicos de Comunicao S.A
       7303      775        396         104   Telecom Argentina Stet-France
       6503      719        178         222   AVANTEL, S.A. 
      22047      555        310          15   VTR PUNTO NET S.A. 
      14420      537         34          74   CORPORACION NACIONAL DE TELEC
       3816      494        210          90   Empresa Nacional de Telecomun
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      11172      448         99          76   Servicios Alestra S.A de C.V 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452     1177        445          10   TEDATA
      24863      726        147          39   LINKdotNET AS number
      36992      654        279         185   Etisalat MISR
       3741      270        898         232   The Internet Solution 
      33776      220         12          12   Starcomms Nigeria Limited
       2018      213        277          64   Tertiary Education Network 
       6713      195        186          16   Itissalat Al-MAGHRIB
      29571      191         19          10   Ci Telecom Autonomous system 
      24835      189         78           9   RAYA Telecom - Egypt
      16637      140        440          95   MTN Network Solutions
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3881       3716         284   bellsouth.net, inc. 
       4323     2735       1116         397   Time Warner Telecom
      19262     1947       4567         278   Verizon Global Networks 
       4766     1856       8409         488   Korea Telecom (KIX)
       1785     1782        698         129   PaeTec Communications, Inc.
       8151     1523       3048         247   UniNet S.A. de C.V. 
      20115     1488       1522         653   Charter Communications 
       4755     1477        298         164   TATA Communications formerly 
       7018     1467       5733         953   AT&T WorldNet Services
       7545     1371        234          87   TPG Internet Pty Ltd
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2735        2338      Time Warner Telecom
      19262      1947        1669      Verizon Global Networks 
       1785      1782        1653      PaeTec Communications, Inc.
       4766      1856        1368      Korea Telecom (KIX)
       4755      1477        1313      TATA Communications formerly 
       7545      1371        1284      TPG Internet Pty Ltd
       8151      1523        1276      UniNet S.A. de C.V. 
      17488      1343        1217      Hathway IP Over Cable Interne
       8452      1177        1167      TEDATA
      17974      1186        1126      PT TELEKOMUNIKASI INDONESIA
      
      Complete listing at http://thyme.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        7018       AT&T WorldNet Servic
      13746   UNALLOCATED  12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.25.107.0/24        7018       AT&T WorldNet Servic
      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.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.38.240.0/21       33287     Comcast Cable Communications,
      24.38.248.0/21       33287     Comcast Cable Communications,
      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<<
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24       6453     Teleglobe Inc. 
      41.223.196.0/24      36990     Alkan Telecom Ltd
      
      Complete listing at http://thyme.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      /10:25      /11:67      /12:198     
      /13:410     /14:709     /15:1296    /16:11182   /17:5376    /18:9196    
      /19:18500   /20:23144   /21:23148   /22:30166   /23:29780   /24:170707  
      /25:1051    /26:1192    /27:740     /28:118     /29:47      /30:6       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2485          3881      bellsouth.net, inc. 
       4766     1486          1856      Korea Telecom (KIX)
       4323     1398          2735      Time Warner Telecom
       1785     1244          1782      PaeTec Communications, Inc.
      17488     1085          1343      Hathway IP Over Cable Interne
      11492     1069          1160      Cable One 
      18566     1069          1088      Covad Communications 
       8452     1066          1177      TEDATA
      10620      988          1072      TVCABLE BOGOTA 
      19262      913          1947      Verizon Global Networks 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:37        2:2         4:13        8:292      12:2016     13:7      
        14:1        15:21       16:3        17:8        20:6        24:1436   
        27:271      31:1        32:59       33:12       38:688      40:98     
        41:2487     44:3        46:17       47:16       52:9        55:6      
        56:2        57:28       58:770      59:508      60:462      61:1068   
        62:1038     63:1969     64:3713     65:2346     66:4052     67:1826   
        68:1096     69:2724     70:712      71:444      72:1944     73:2      
        74:2282     75:254      76:324      77:900      78:620      79:428    
        80:996      81:779      82:494      83:450      84:682      85:1043   
        86:466      87:686      88:332      89:1558     90:96       91:2896   
        92:507      93:1009     94:1410     95:666      96:529      97:210    
        98:618      99:33      100:1       108:105     109:587     110:434    
       111:515     112:273     113:314     114:434     115:573     116:1059   
       117:649     118:483     119:881     120:136     121:724     122:1517   
       123:950     124:1115    125:1304    128:226     129:163     130:196    
       131:558     132:247     133:16      134:196     135:45      136:240    
       137:135     138:267     139:104     140:480     141:197     142:340    
       143:370     144:469     145:52      146:446     147:170     148:673    
       149:299     150:153     151:228     152:297     153:168     154:2      
       155:356     156:160     157:324     158:110     159:360     160:315    
       161:182     162:255     163:173     164:410     165:366     166:460    
       167:413     168:645     169:157     170:716     171:59      172:2      
       173:959     174:505     175:161     176:1       178:329     180:478    
       182:163     183:242     184:122     186:529     187:409     188:1040   
       189:773     190:3861    192:5746    193:4719    194:3405    195:2818   
       196:1183    198:3571    199:3496    200:5355    201:1578    202:7963   
       203:8284    204:4042    205:2404    206:2506    207:3077    208:3874   
       209:3465    210:2549    211:1289    212:1714    213:1655    214:647    
       215:69      216:4729    217:1527    218:500     219:378     220:1143   
       221:399     222:313     223:2      
      
      End of report