[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, 6 Nov 2010 04:27:50 +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 06 Nov, 2010
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              335410
          Prefixes after maximum aggregation:                          153270
          Deaggregation factor:                                          2.19
          Unique aggregates announced to Internet:                     164621
      Total ASes present in the Internet Routing Table:                 35162
          Prefixes per ASN:                                              9.54
      Origin-only ASes present in the Internet Routing Table:           30330
      Origin ASes announcing only one prefix:                           14792
      Transit ASes present in the Internet Routing Table:                4832
      Transit-only ASes present in the Internet Routing Table:            116
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      30
          Max AS path prepend of ASN (41664)                               21
      Prefixes from unregistered ASNs in the Routing Table:               299
          Unregistered ASNs in the Routing Table:                         127
      Number of 32-bit ASNs allocated by the RIRs:                        867
      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:            194
      Number of addresses announced to Internet:                   2328157088
          Equivalent to 138 /8s, 196 /16s and 219 /24s
          Percentage of available address space announced:               62.8
          Percentage of allocated address space announced:               66.4
          Percentage of available address space allocated:               94.6
          Percentage of address space in use by end-sites:               85.8
      Total number of prefixes smaller than registry allocations:      137579
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    82365
          Total APNIC prefixes after maximum aggregation:               28058
          APNIC Deaggregation factor:                                    2.94
      Prefixes being announced from the APNIC address blocks:           79257
          Unique aggregates announced from the APNIC address blocks:    34526
      APNIC Region origin ASes present in the Internet Routing Table:    4225
          APNIC Prefixes per ASN:                                       18.76
      APNIC Region origin ASes announcing only one prefix:               1176
      APNIC Region transit ASes present in the Internet Routing Table:    677
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              560267808
          Equivalent to 33 /8s, 101 /16s and 2 /24s
          Percentage of available APNIC address space announced:         75.9
      
      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,  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:                    137613
          Total ARIN prefixes after maximum aggregation:                71343
          ARIN Deaggregation factor:                                     1.93
      Prefixes being announced from the ARIN address blocks:           108974
          Unique aggregates announced from the ARIN address blocks:     43620
      ARIN Region origin ASes present in the Internet Routing Table:    14020
          ARIN Prefixes per ASN:                                         7.77
      ARIN Region origin ASes announcing only one prefix:                5368
      ARIN Region transit ASes present in the Internet Routing Table:    1482
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN addresses announced to Internet:               739981824
          Equivalent to 44 /8s, 27 /16s and 58 /24s
          Percentage of available ARIN address space announced:          63.0
      
      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,  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:                     77520
          Total RIPE prefixes after maximum aggregation:                44665
          RIPE Deaggregation factor:                                     1.74
      Prefixes being announced from the RIPE address blocks:            71009
          Unique aggregates announced from the RIPE address blocks:     46311
      RIPE Region origin ASes present in the Internet Routing Table:    14943
          RIPE Prefixes per ASN:                                         4.75
      RIPE Region origin ASes announcing only one prefix:                7688
      RIPE Region transit ASes present in the Internet Routing Table:    2300
      Average RIPE Region AS path length visible:                         4.4
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               443477760
          Equivalent to 26 /8s, 110 /16s and 239 /24s
          Percentage of available RIPE address space announced:          77.7
      
      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:                   30074
          Total LACNIC prefixes after maximum aggregation:               7209
          LACNIC Deaggregation factor:                                   4.17
      Prefixes being announced from the LACNIC address blocks:          28751
          Unique aggregates announced from the LACNIC address blocks:   15206
      LACNIC Region origin ASes present in the Internet Routing Table:   1378
          LACNIC Prefixes per ASN:                                      20.86
      LACNIC Region origin ASes announcing only one prefix:               429
      LACNIC Region transit ASes present in the Internet Routing Table:   238
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        26
      Number of LACNIC addresses announced to Internet:              76695296
          Equivalent to 4 /8s, 146 /16s and 71 /24s
          Percentage of available LACNIC address space announced:        57.1
      
      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:                   7608
          Total AfriNIC prefixes after maximum aggregation:              1876
          AfriNIC Deaggregation factor:                                  4.06
      Prefixes being announced from the AfriNIC address blocks:          5911
          Unique aggregates announced from the AfriNIC address blocks:   1715
      AfriNIC Region origin ASes present in the Internet Routing Table:   416
          AfriNIC Prefixes per ASN:                                     14.21
      AfriNIC Region origin ASes announcing only one prefix:              131
      AfriNIC Region transit ASes present in the Internet Routing Table:   90
      Average AfriNIC Region AS path length visible:                      5.1
          Max AfriNIC Region AS path length visible:                       21
      Number of AfriNIC addresses announced to Internet:             21476608
          Equivalent to 1 /8s, 71 /16s and 181 /24s
          Percentage of available AfriNIC address space announced:       64.0
      
      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     1858       9453         512   Korea Telecom (KIX)
       7545     1420        299          77   TPG Internet Pty Ltd
       4755     1381        379         158   TATA Communications formerly 
      17488     1364        156         121   Hathway IP Over Cable Interne
      17974     1282        304          89   PT TELEKOMUNIKASI INDONESIA
      24560     1055        309         173   Bharti Airtel Ltd., Telemedia
       9583     1032         76         491   Sify Limited
       4808      978       1721         266   CNCGROUP IP network: China169
      18101      897        116         135   Reliance Infocom Ltd Internet
       9829      826        694          27   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     3761       3922         279   bellsouth.net, inc. 
       4323     2652       1105         397   Time Warner Telecom
       1785     1794        698         130   PaeTec Communications, Inc.
      19262     1779       4836         281   Verizon Global Networks 
      20115     1505       1528         642   Charter Communications 
       7018     1412       5660         903   AT&T WorldNet Services
       6478     1395        280         111   AT&T Worldnet Services 
       2386     1307        555         925   AT&T Data Communications Serv
      11492     1251        232          65   Cable One 
      22773     1227       2859          62   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
       3292      446       2028         390   TDC Tele Danmark
       8866      435        133          25   Bulgarian Telecommunication C
       8551      402        353          46   Bezeq International
        702      397       1866         311   UUNET - Commercial IP service
      34984      382         91         189   BILISIM TELEKOM
       3320      378       7332         331   Deutsche Telekom AG
       3301      377       1688         334   TeliaNet Sweden
      30890      377         95         123   Evolva Telecom
      12479      370        576           5   Uni2 Autonomous System
      31148      349         18          83   FreeNet ISP
      
      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     1333        249         154   TVCABLE BOGOTA 
       8151     1331       2599         368   UniNet S.A. de C.V. 
      28573     1183        928          84   NET Servicos de Comunicao S.A
       7303      830        441         107   Telecom Argentina Stet-France
       6503      806        225         258   AVANTEL, S.A. 
      22047      565        310          15   VTR PUNTO NET S.A. 
      14420      559         44          74   CORPORACION NACIONAL DE TELEC
       3816      487        212          96   Empresa Nacional de Telecomun
       7738      478        922          30   Telecomunicacoes da Bahia S.A
      14117      453         32          28   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     1114        445          10   TEDATA
      24863      741        147          39   LINKdotNET AS number
      36992      648        277         159   Etisalat MISR
       3741      263        907         225   The Internet Solution 
      24835      206         78          10   RAYA Telecom - Egypt
       6713      203        199          12   Itissalat Al-MAGHRIB
      29571      203         19          11   Ci Telecom Autonomous system 
       2018      197        277          64   Tertiary Education Network 
      33776      195         12          14   Starcomms Nigeria Limited
      16637      154        441          91   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     3761       3922         279   bellsouth.net, inc. 
       4323     2652       1105         397   Time Warner Telecom
       4766     1858       9453         512   Korea Telecom (KIX)
       1785     1794        698         130   PaeTec Communications, Inc.
      19262     1779       4836         281   Verizon Global Networks 
      20115     1505       1528         642   Charter Communications 
       7545     1420        299          77   TPG Internet Pty Ltd
       7018     1412       5660         903   AT&T WorldNet Services
       6478     1395        280         111   AT&T Worldnet Services 
       4755     1381        379         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      2652        2255      Time Warner Telecom
       1785      1794        1664      PaeTec Communications, Inc.
      19262      1779        1498      Verizon Global Networks 
       4766      1858        1346      Korea Telecom (KIX)
       7545      1420        1343      TPG Internet Pty Ltd
       6478      1395        1284      AT&T Worldnet Services 
      17488      1364        1243      Hathway IP Over Cable Interne
       4755      1381        1223      TATA Communications formerly 
      17974      1282        1193      PT TELEKOMUNIKASI INDONESIA
      11492      1251        1186      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
      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
      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
      36.0.0.0/8           38639     NTT Communications Corporatio
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      42.0.0.0/8           38639     NTT Communications Corporatio
      46.21.144.0/20       35017     Neoworld Ltd. Autonomous Syst
      46.21.156.0/22       35017     Neoworld Ltd. Autonomous Syst
      46.148.64.0/20       35491     TPNETS
      
      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      /10:25      /11:68      /12:206     
      /13:421     /14:746     /15:1347    /16:11386   /17:5572    /18:9338    
      /19:18553   /20:23931   /21:23896   /22:31584   /23:30514   /24:174963  
      /25:975     /26:1098    /27:582     /28:153     /29:12      /30:2       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2324          3761      bellsouth.net, inc. 
       4323     1425          2652      Time Warner Telecom
       6478     1356          1395      AT&T Worldnet Services 
      10620     1225          1333      TVCABLE BOGOTA 
      11492     1208          1251      Cable One 
       1785     1074          1794      PaeTec Communications, Inc.
      18566     1071          1090      Covad Communications 
       7011     1058          1159      Citizens Utilities 
       8452     1012          1114      TEDATA
      19262      903          1779      Verizon Global Networks 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:93        2:13        4:13        8:313      12:2008     13:8      
        14:55       15:18       16:3        17:8        20:9        24:1415   
        27:424      31:1        32:61       33:10       38:716      40:101    
        41:2628     44:3        46:246      47:10       49:4        50:6      
        52:12       55:6        56:2        57:29       58:837      59:480    
        60:496      61:1137     62:1014     63:1965     64:3752     65:2332   
        66:4078     67:1821     68:1121     69:2890     70:754      71:374    
        72:1897     73:2        74:2330     75:289      76:324      77:855    
        78:669      79:448      80:1059     81:796      82:500      83:465    
        84:683      85:1017     86:478      87:698      88:331      89:1573   
        90:113      91:3148     92:445      93:987      94:1120     95:705    
        96:399      97:225      98:629      99:33      101:3       107:1      
       108:64      109:739     110:412     111:618     112:314     113:312    
       114:474     115:616     116:1131    117:660     118:564     119:1001   
       120:136     121:709     122:1609    123:970     124:1226    125:1271   
       128:229     129:150     130:166     131:556     132:278     133:20     
       134:207     135:46      136:210     137:142     138:281     139:110    
       140:473     141:197     142:348     143:358     144:493     145:55     
       146:427     147:184     148:621     149:323     150:146     151:231    
       152:291     153:174     154:3       155:364     156:163     157:338    
       158:114     159:365     160:313     161:199     162:275     163:164    
       164:427     165:349     166:469     167:426     168:684     169:155    
       170:719     171:63      172:2       173:1085    174:407     175:241    
       176:1       178:599     180:684     182:246     183:243     184:164    
       186:755     187:587     188:879     189:808     190:4177    192:5768   
       193:4768    194:3450    195:2841    196:1200    198:3537    199:3638   
       200:5411    201:1585    202:8208    203:8280    204:4032    205:2336   
       206:2566    207:3020    208:3887    209:3458    210:2550    211:1289   
       212:1813    213:1723    214:699     215:66      216:4751    217:1583   
       218:547     219:400     220:1227    221:421     222:343     223:68     
      
      
      End of report