[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, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 9 Jan 2010 04:43:43 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      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 09 Jan, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              307662
          Prefixes after maximum aggregation:                          143300
          Deaggregation factor:                                          2.15
          Unique aggregates announced to Internet:                     151565
      Total ASes present in the Internet Routing Table:                 33037
          Prefixes per ASN:                                              9.31
      Origin-only ASes present in the Internet Routing Table:           28698
      Origin ASes announcing only one prefix:                           14013
      Transit ASes present in the Internet Routing Table:                4339
      Transit-only ASes present in the Internet Routing Table:            103
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      22
          Max AS path prepend of ASN ( 9503)                               20
      Prefixes from unregistered ASNs in the Routing Table:               731
          Unregistered ASNs in the Routing Table:                         133
      Number of 32-bit ASNs allocated by the RIRs:                        385
      Prefixes from 32-bit ASNs in the Routing Table:                     335
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            186
      Number of addresses announced to Internet:                   2169545344
          Equivalent to 129 /8s, 80 /16s and 162 /24s
          Percentage of available address space announced:               58.5
          Percentage of allocated address space announced:               66.3
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               80.7
      Total number of prefixes smaller than registry allocations:      148143
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    73972
          Total APNIC prefixes after maximum aggregation:               25793
          APNIC Deaggregation factor:                                    2.87
      Prefixes being announced from the APNIC address blocks:           70662
          Unique aggregates announced from the APNIC address blocks:    31402
      APNIC Region origin ASes present in the Internet Routing Table:    3913
          APNIC Prefixes per ASN:                                       18.06
      APNIC Region origin ASes announcing only one prefix:               1071
      APNIC Region transit ASes present in the Internet Routing Table:    612
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         22
      Number of APNIC addresses announced to Internet:              486803488
          Equivalent to 29 /8s, 4 /16s and 8 /24s
          Percentage of available APNIC address space announced:         80.6
      
      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    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,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    129255
          Total ARIN prefixes after maximum aggregation:                67559
          ARIN Deaggregation factor:                                     1.91
      Prefixes being announced from the ARIN address blocks:           103380
          Unique aggregates announced from the ARIN address blocks:     39158
      ARIN Region origin ASes present in the Internet Routing Table:    13428
          ARIN Prefixes per ASN:                                         7.70
      ARIN Region origin ASes announcing only one prefix:                5201
      ARIN Region transit ASes present in the Internet Routing Table:    1323
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               735019296
          Equivalent to 43 /8s, 207 /16s and 129 /24s
          Percentage of available ARIN address space announced:          64.4
      
      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,  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,  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, 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:                     70912
          Total RIPE prefixes after maximum aggregation:                41459
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            64240
          Unique aggregates announced from the RIPE address blocks:     42763
      RIPE Region origin ASes present in the Internet Routing Table:    13948
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                7257
      RIPE Region transit ASes present in the Internet Routing Table:    2088
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               409561344
          Equivalent to 24 /8s, 105 /16s and 105 /24s
          Percentage of available RIPE address space announced:          76.3
      
      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,  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, 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:                   26966
          Total LACNIC prefixes after maximum aggregation:               6530
          LACNIC Deaggregation factor:                                   4.13
      Prefixes being announced from the LACNIC address blocks:          25329
          Unique aggregates announced from the LACNIC address blocks:   13780
      LACNIC Region origin ASes present in the Internet Routing Table:   1225
          LACNIC Prefixes per ASN:                                      20.68
      LACNIC Region origin ASes announcing only one prefix:               391
      LACNIC Region transit ASes present in the Internet Routing Table:   204
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        20
      Number of LACNIC addresses announced to Internet:              69899712
          Equivalent to 4 /8s, 42 /16s and 149 /24s
          Percentage of available LACNIC address space announced:        69.4
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   5994
          Total AfriNIC prefixes after maximum aggregation:              1610
          AfriNIC Deaggregation factor:                                  3.72
      Prefixes being announced from the AfriNIC address blocks:          4375
          Unique aggregates announced from the AfriNIC address blocks:   1592
      AfriNIC Region origin ASes present in the Internet Routing Table:   337
          AfriNIC Prefixes per ASN:                                     12.98
      AfriNIC Region origin ASes announcing only one prefix:               93
      AfriNIC Region transit ASes present in the Internet Routing Table:   69
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       21
      Number of AfriNIC addresses announced to Internet:             14742016
          Equivalent to 0 /8s, 224 /16s and 242 /24s
          Percentage of available AfriNIC address space announced:       43.9
      
      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     1831       7509         473   Korea Telecom (KIX)
      17488     1464        144         140   Hathway IP Over Cable Interne
       4755     1281        289         144   TATA Communications formerly 
      18101     1033        220          38   Reliance Infocom Ltd Internet
       4134     1018      19477         400   CHINANET-BACKBONE
       9583      998         74         503   Sify Limited
       7545      920        198          98   TPG Internet Pty Ltd
      17974      844        271          55   PT TELEKOMUNIKASI INDONESIA
       4808      836       1583         213   CNCGROUP IP network: China169
       9829      835        679          22   BSNL National Internet Backbo
      
      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     4165       3891         301   bellsouth.net, inc. 
       4323     3783       1068         400   Time Warner Telecom
       1785     1796        699         134   PaeTec Communications, Inc.
       7018     1589       5791        1028   AT&T WorldNet Services
      20115     1537       1487         666   Charter Communications 
       2386     1294        617         930   AT&T Data Communications Serv
       3356     1200      10929         423   Level 3 Communications, LLC 
      11492     1154        222          14   Cable One 
      22773     1124       2600          66   Cox Communications, Inc.
       6478     1092        241         298   AT&T Worldnet Services 
      
      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
      30890      516         98         206   Evolva Telecom
      35805      466         40           5   United Telecom of Georgia
       3292      448       1903         393   TDC Tele Danmark
       9198      426        202          13   Kazakhtelecom Data Network Ad
        702      419       1837         337   UUNET - Commercial IP service
       8551      396        353          37   Bezeq International
       8866      374        110          23   Bulgarian Telecommunication C
       3320      361       7068         307   Deutsche Telekom AG
       3301      352       1412         307   TeliaNet Sweden
       3215      350       3168         107   France Telecom Transpac
      
      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     1576       2899         232   UniNet S.A. de C.V. 
      10620     1004        224         130   TVCABLE BOGOTA 
      28573      832        674          85   NET Servicos de Comunicao S.A
       7303      668        352          98   Telecom Argentina Stet-France
      22047      546        302          14   VTR PUNTO NET S.A. 
      11830      472        308          59   Instituto Costarricense de El
       6503      446        163         185   AVANTEL, S.A. 
      11172      444         99          69   Servicios Alestra S.A de C.V 
      14117      436         29          11   Telefonica del Sur S.A. 
       3816      431        193          69   Empresa Nacional de Telecomun
      
      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     1017        444           8   TEDATA
      24863      719        143          53   LINKdotNET AS number
       3741      273        857         233   The Internet Solution 
       2018      178        196         100   Tertiary Education Network 
       6713      177        167          12   Itissalat Al-MAGHRIB
      29571      161         19           9   Ci Telecom Autonomous system 
      29975      134        506          15   Vodacom
      33776      123          7          11   Starcomms Nigeria Limited
       5536      121          8          18   Internet Egypt Network
       5713      114        505          68   Telkom SA Ltd 
      
      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     4165       3891         301   bellsouth.net, inc. 
       4323     3783       1068         400   Time Warner Telecom
       4766     1831       7509         473   Korea Telecom (KIX)
       1785     1796        699         134   PaeTec Communications, Inc.
       7018     1589       5791        1028   AT&T WorldNet Services
       8151     1576       2899         232   UniNet S.A. de C.V. 
      20115     1537       1487         666   Charter Communications 
      17488     1464        144         140   Hathway IP Over Cable Interne
       2386     1294        617         930   AT&T Data Communications Serv
       4755     1281        289         144   TATA Communications formerly 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      3783        3383      Time Warner Telecom
       1785      1796        1662      PaeTec Communications, Inc.
       4766      1831        1358      Korea Telecom (KIX)
       8151      1576        1344      UniNet S.A. de C.V. 
      17488      1464        1324      Hathway IP Over Cable Interne
      11492      1154        1140      Cable One 
       4755      1281        1137      TATA Communications formerly 
      22773      1124        1058      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
       8452      1017        1009      TEDATA
      
      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   12.39.159.0/24        7018       AT&T WorldNet Servic
      32326   UNALLOCATED   12.40.49.0/24         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
      2.0.0.0/16           12654     RIPE NCC RIS Project
      2.1.0.0/21           12654     RIPE NCC RIS Project
      2.1.24.0/24          12654     RIPE NCC RIS Project
      41.78.60.0/22         6762     Telecom Italia international 
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      46.0.0.0/16          12654     RIPE NCC RIS Project
      46.1.0.0/21          12654     RIPE NCC RIS Project
      46.1.24.0/24         12654     RIPE NCC RIS Project
      
      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      /11:65      /12:181     
      /13:382     /14:654     /15:1233    /16:10850   /17:5053    /18:8622    
      /19:17725   /20:21661   /21:21549   /22:27892   /23:28054   /24:160791  
      /25:915     /26:1147    /27:584     /28:221     /29:11      /30:8       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2723          4165      bellsouth.net, inc. 
       4323     2369          3783      Time Warner Telecom
       4766     1476          1831      Korea Telecom (KIX)
       1785     1263          1796      PaeTec Communications, Inc.
      17488     1230          1464      Hathway IP Over Cable Interne
      11492     1074          1154      Cable One 
      18566     1040          1059      Covad Communications 
       7018      960          1589      AT&T WorldNet Services
       8452      913          1017      TEDATA
      18101      913          1033      Reliance Infocom Ltd Internet
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:13        8:242      12:2007     13:9        15:22     
        16:3        17:8        20:38       24:1301     32:49       38:635    
        40:99       41:1881     44:3        46:1        47:29       52:6      
        55:2        56:2        57:23       58:640      59:596      60:446    
        61:968      62:956      63:2005     64:3774     65:2358     66:4100   
        67:1841     68:1047     69:2832     70:688      71:231      72:1878   
        73:3        74:2075     75:225      76:359      77:871      78:604    
        79:406      80:961      81:803      82:469      83:440      84:521    
        85:1015     86:376      87:692      88:433      89:1561     90:65     
        91:2674     92:434      93:1151     94:1293     95:799      96:194    
        97:290      98:488      99:23      109:206     110:263     111:413    
       112:168     113:216     114:304     115:404     116:1126    117:596    
       118:380     119:812     120:141     121:684     122:1385    123:830    
       124:1029    125:1305    128:198     129:203     130:134     131:461    
       132:84      133:16      134:193     135:41      136:228     137:175    
       138:236     139:81      140:462     141:121     142:377     143:349    
       144:393     145:51      146:390     147:175     148:565     149:196    
       150:151     151:172     152:225     153:162     154:2       155:270    
       156:178     157:329     158:98      159:355     160:304     161:175    
       162:271     163:189     164:309     165:472     166:493     167:387    
       168:758     169:158     170:568     171:42      172:1       173:425    
       174:519     175:20      180:273     183:200     184:3       186:258    
       187:211     188:1138    189:615     190:3423    192:5722    193:4390   
       194:3352    195:2786    196:1192    198:3550    199:3390    200:5256   
       201:1450    202:8076    203:8300    204:3981    205:2167    206:2401   
       207:3042    208:3924    209:3394    210:2518    211:1170    212:1657   
       213:1650    214:248     215:58      216:4425    217:1390    218:481    
       219:416     220:1137    221:461     222:303    
      
      End of report