[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, 18 Dec 2010 04:26:08 +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 18 Dec, 2010
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              338766
          Prefixes after maximum aggregation:                          153020
          Deaggregation factor:                                          2.21
          Unique aggregates announced to Internet:                     166625
      Total ASes present in the Internet Routing Table:                 35498
          Prefixes per ASN:                                              9.54
      Origin-only ASes present in the Internet Routing Table:           30573
      Origin ASes announcing only one prefix:                           14921
      Transit ASes present in the Internet Routing Table:                4925
      Transit-only ASes present in the Internet Routing Table:            119
      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:               325
          Unregistered ASNs in the Routing Table:                         127
      Number of 32-bit ASNs allocated by the RIRs:                        960
      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:            191
      Number of addresses announced to Internet:                   2341188448
          Equivalent to 139 /8s, 139 /16s and 179 /24s
          Percentage of available address space announced:               63.2
          Percentage of allocated address space announced:               65.2
          Percentage of available address space allocated:               96.8
          Percentage of address space in use by end-sites:               86.7
      Total number of prefixes smaller than registry allocations:      139416
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    83366
          Total APNIC prefixes after maximum aggregation:               28387
          APNIC Deaggregation factor:                                    2.94
      Prefixes being announced from the APNIC address blocks:           80309
          Unique aggregates announced from the APNIC address blocks:    34993
      APNIC Region origin ASes present in the Internet Routing Table:    4272
          APNIC Prefixes per ASN:                                       18.80
      APNIC Region origin ASes announcing only one prefix:               1204
      APNIC Region transit ASes present in the Internet Routing Table:    693
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         20
      Number of APNIC addresses announced to Internet:              575398688
          Equivalent to 34 /8s, 75 /16s and 227 /24s
          Percentage of available APNIC address space announced:         77.9
      
      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:                    136919
          Total ARIN prefixes after maximum aggregation:                69999
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           108053
          Unique aggregates announced from the ARIN address blocks:     43916
      ARIN Region origin ASes present in the Internet Routing Table:    14079
          ARIN Prefixes per ASN:                                         7.67
      ARIN Region origin ASes announcing only one prefix:                5392
      ARIN Region transit ASes present in the Internet Routing Table:    1489
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN addresses announced to Internet:               743817600
          Equivalent to 44 /8s, 85 /16s and 193 /24s
          Percentage of available ARIN address space announced:          62.4
      
      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,  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, 100/8,
                             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:                     79524
          Total RIPE prefixes after maximum aggregation:                45494
          RIPE Deaggregation factor:                                     1.75
      Prefixes being announced from the RIPE address blocks:            73010
          Unique aggregates announced from the RIPE address blocks:     47168
      RIPE Region origin ASes present in the Internet Routing Table:    15132
          RIPE Prefixes per ASN:                                         4.82
      RIPE Region origin ASes announcing only one prefix:                7752
      RIPE Region transit ASes present in the Internet Routing Table:    2342
      Average RIPE Region AS path length visible:                         4.5
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               451844992
          Equivalent to 26 /8s, 238 /16s and 155 /24s
          Percentage of available RIPE address space announced:          74.8
      
      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,   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, 193/8, 194/8, 195/8, 212/8, 213/8,
                             217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   30995
          Total LACNIC prefixes after maximum aggregation:               7106
          LACNIC Deaggregation factor:                                   4.36
      Prefixes being announced from the LACNIC address blocks:          29743
          Unique aggregates announced from the LACNIC address blocks:   15445
      LACNIC Region origin ASes present in the Internet Routing Table:   1404
          LACNIC Prefixes per ASN:                                      21.18
      LACNIC Region origin ASes announcing only one prefix:               436
      LACNIC Region transit ASes present in the Internet Routing Table:   252
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              78639552
          Equivalent to 4 /8s, 175 /16s and 241 /24s
          Percentage of available LACNIC address space announced:        58.6
      
      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:                   7724
          Total AfriNIC prefixes after maximum aggregation:              1916
          AfriNIC Deaggregation factor:                                  4.03
      Prefixes being announced from the AfriNIC address blocks:          6024
          Unique aggregates announced from the AfriNIC address blocks:   1777
      AfriNIC Region origin ASes present in the Internet Routing Table:   430
          AfriNIC Prefixes per ASN:                                     14.01
      AfriNIC Region origin ASes announcing only one prefix:              137
      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:             21619712
          Equivalent to 1 /8s, 73 /16s and 228 /24s
          Percentage of available AfriNIC address space announced:       43.0
      
      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     1867       9453         519   Korea Telecom (KIX)
       7545     1558        299          76   TPG Internet Pty Ltd
       4755     1406        651         138   TATA Communications formerly 
      17974     1342        459          28   PT TELEKOMUNIKASI INDONESIA
      24560     1042        312         175   Bharti Airtel Ltd., Telemedia
       9583     1041         76         488   Sify Limited
       4808      996       1717         273   CNCGROUP IP network: China169
      17488      954        157         111   Hathway IP Over Cable Interne
      18101      909        116         139   Reliance Infocom Ltd Internet
       9829      823        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     3734       3872         270   bellsouth.net, inc. 
       4323     2641       1077         399   Time Warner Telecom
      19262     1836       4873         283   Verizon Global Networks 
       1785     1788        697         132   PaeTec Communications, Inc.
      20115     1514       1531         640   Charter Communications 
       6478     1437        290          52   AT&T Worldnet Services 
       7018     1361       5652         872   AT&T WorldNet Services
       2386     1313        570         933   AT&T Data Communications Serv
      11492     1271        233          75   Cable One 
      22773     1257       2864          74   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
       6830      503       1763         310   UPC Distribution Services
       3292      443       2010         386   TDC Tele Danmark
      34984      440         96         133   BILISIM TELEKOM
       8866      439        133          23   Bulgarian Telecommunication C
       9121      435       1690          29   TTnet Autonomous System
       9198      417        202          13   Kazakhtelecom Data Network Ad
       8551      402        353          46   Bezeq International
        702      397       1864         311   UUNET - Commercial IP service
      12479      393        577           6   Uni2 Autonomous System
       3320      392       7609         344   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     1347       2617         363   UniNet S.A. de C.V. 
      10620     1343        250         154   TVCABLE BOGOTA 
      28573     1225        933          79   NET Servicos de Comunicao S.A
       6503     1187        355          80   AVANTEL, S.A. 
       7303      832        441         109   Telecom Argentina Stet-France
      14420      584         49          88   CORPORACION NACIONAL DE TELEC
      22047      565        310          15   VTR PUNTO NET S.A. 
       3816      494        216         101   Empresa Nacional de Telecomun
       7738      478        922          30   Telecomunicacoes da Bahia S.A
      14117      452         32          30   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     1125        445          10   TEDATA
      24863      746        147          39   LINKdotNET AS number
      36992      658        276         158   Etisalat MISR
       3741      263        986         225   The Internet Solution 
      24835      217         78          10   RAYA Telecom - Egypt
       6713      203        199          12   Itissalat Al-MAGHRIB
      29571      199         19          11   Ci Telecom Autonomous system 
       2018      196        277          64   Tertiary Education Network 
      33776      184         12          14   Starcomms Nigeria Limited
      16637      161        440          88   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     3734       3872         270   bellsouth.net, inc. 
       4323     2641       1077         399   Time Warner Telecom
       4766     1867       9453         519   Korea Telecom (KIX)
      19262     1836       4873         283   Verizon Global Networks 
       1785     1788        697         132   PaeTec Communications, Inc.
       7545     1558        299          76   TPG Internet Pty Ltd
      20115     1514       1531         640   Charter Communications 
       6478     1437        290          52   AT&T Worldnet Services 
       4755     1406        651         138   TATA Communications formerly 
       7018     1361       5652         872   AT&T WorldNet Services
      
      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      2641        2242      Time Warner Telecom
       1785      1788        1656      PaeTec Communications, Inc.
      19262      1836        1553      Verizon Global Networks 
       7545      1558        1482      TPG Internet Pty Ltd
       6478      1437        1385      AT&T Worldnet Services 
       4766      1867        1348      Korea Telecom (KIX)
      17974      1342        1314      PT TELEKOMUNIKASI INDONESIA
       4755      1406        1268      TATA Communications formerly 
      11492      1271        1196      Cable One 
      10620      1343        1189      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 
      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
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      46.211.0.0/16        15895     Kyivstar GSM
      
      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      /12:212     
      /13:431     /14:753     /15:1346    /16:11410   /17:5526    /18:9208    
      /19:18676   /20:23969   /21:24284   /22:31827   /23:30881   /24:177306  
      /25:991     /26:1065    /27:579     /28:155     /29:12      /30:2       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2306          3734      bellsouth.net, inc. 
       4323     1429          2641      Time Warner Telecom
       6478     1394          1437      AT&T Worldnet Services 
      10620     1235          1343      TVCABLE BOGOTA 
      11492     1226          1271      Cable One 
      18566     1076          1095      Covad Communications 
       7011     1071          1174      Citizens Utilities 
       1785     1062          1788      PaeTec Communications, Inc.
       8452     1021          1125      TEDATA
       6503      972          1187      AVANTEL, S.A. 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:140       2:11        4:13        5:1         8:317      12:2034   
        13:6        14:94       15:17       16:3        17:8        20:9      
        24:1447     27:491      32:61       33:5        34:2        36:1      
        37:1        38:714      40:102      41:2716     42:1        44:3      
        46:387      47:4        49:73       50:27       52:12       55:3      
        56:2        57:29       58:858      59:502      60:393      61:1105   
        62:1047     63:1941     64:3718     65:2322     66:4082     67:1757   
        68:991      69:2815     70:714      71:389      72:1946     73:1      
        74:2283     75:289      76:319      77:852      78:746      79:434    
        80:1042     81:786      82:516      83:444      84:631      85:1053   
        86:514      87:708      88:406      89:1586     90:143      91:3342   
        92:473      93:1010     94:1129     95:698      96:409      97:247    
        98:709      99:33      101:3       107:2       108:77      109:813    
       110:474     111:671     112:309     113:321     114:478     115:639    
       116:890     117:655     118:608     119:1014    120:199     121:725    
       122:1570    123:1025    124:1232    125:1211    128:230     129:153    
       130:170     131:564     132:234     133:20      134:206     135:50     
       136:212     137:148     138:290     139:109     140:481     141:197    
       142:352     143:358     144:480     145:52      146:424     147:190    
       148:629     149:327     150:150     151:230     152:297     153:172    
       154:3       155:372     156:166     157:338     158:126     159:369    
       160:315     161:198     162:276     163:164     164:434     165:334    
       166:470     167:417     168:738     169:151     170:726     171:67     
       172:2       173:1142    174:475     175:264     176:1       177:2      
       178:654     180:726     182:467     183:241     184:190     186:839    
       187:773     188:889     189:1041    190:4225    192:5781    193:4795   
       194:3474    195:2888    196:1191    197:1       198:3535    199:3682   
       200:5543    201:1581    202:8252    203:8380    204:4048    205:2331   
       206:2522    207:2971    208:3857    209:3486    210:2559    211:1314   
       212:1887    213:1705    214:744     215:62      216:4791    217:1622   
       218:524     219:386     220:1175    221:443     222:342     223:81     
      
      
      End of report