[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, pacnog at pacnog dot org, lacnog at lacnic dot net, caribnog-discuss at caribnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 16 Oct 2010 04:29:12 +1000 (EST)
  • Delivered-to: apops at mailman dot apnic dot net
  • List-archive: <http://mailman.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • 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 16 Oct, 2010
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              333673
          Prefixes after maximum aggregation:                          153173
          Deaggregation factor:                                          2.18
          Unique aggregates announced to Internet:                     163976
      Total ASes present in the Internet Routing Table:                 34973
          Prefixes per ASN:                                              9.54
      Origin-only ASes present in the Internet Routing Table:           30332
      Origin ASes announcing only one prefix:                           14721
      Transit ASes present in the Internet Routing Table:                4641
      Transit-only ASes present in the Internet Routing Table:            102
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (41664)                               21
      Prefixes from unregistered ASNs in the Routing Table:               334
          Unregistered ASNs in the Routing Table:                         124
      Number of 32-bit ASNs allocated by the RIRs:                        819
      Prefixes from 32-bit ASNs in the Routing Table:                    1161
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            216
      Number of addresses announced to Internet:                   2280874400
          Equivalent to 135 /8s, 243 /16s and 97 /24s
          Percentage of available address space announced:               61.5
          Percentage of allocated address space announced:               65.7
          Percentage of available address space allocated:               93.7
          Percentage of address space in use by end-sites:               85.3
      Total number of prefixes smaller than registry allocations:      137157
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    81624
          Total APNIC prefixes after maximum aggregation:               27931
          APNIC Deaggregation factor:                                    2.92
      Prefixes being announced from the APNIC address blocks:           78535
          Unique aggregates announced from the APNIC address blocks:    34462
      APNIC Region origin ASes present in the Internet Routing Table:    4204
          APNIC Prefixes per ASN:                                       18.68
      APNIC Region origin ASes announcing only one prefix:               1175
      APNIC Region transit ASes present in the Internet Routing Table:    644
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              551962912
          Equivalent to 32 /8s, 230 /16s and 73 /24s
          Percentage of available APNIC address space announced:         78.3
      
      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,  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:                    136292
          Total ARIN prefixes after maximum aggregation:                70287
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           108891
          Unique aggregates announced from the ARIN address blocks:     43464
      ARIN Region origin ASes present in the Internet Routing Table:    13949
          ARIN Prefixes per ASN:                                         7.81
      ARIN Region origin ASes announcing only one prefix:                5337
      ARIN Region transit ASes present in the Internet Routing Table:    1381
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               737739008
          Equivalent to 43 /8s, 249 /16s and 1 /24s
          Percentage of available ARIN address space announced:          62.8
      
      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:                     76685
          Total RIPE prefixes after maximum aggregation:                44471
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            70114
          Unique aggregates announced from the RIPE address blocks:     45929
      RIPE Region origin ASes present in the Internet Routing Table:    14880
          RIPE Prefixes per ASN:                                         4.71
      RIPE Region origin ASes announcing only one prefix:                7660
      RIPE Region transit ASes present in the Internet Routing Table:    2244
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               441326464
          Equivalent to 26 /8s, 78 /16s and 27 /24s
          Percentage of available RIPE address space announced:          77.4
      
      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:                   30306
          Total LACNIC prefixes after maximum aggregation:               7173
          LACNIC Deaggregation factor:                                   4.23
      Prefixes being announced from the LACNIC address blocks:          28998
          Unique aggregates announced from the LACNIC address blocks:   15164
      LACNIC Region origin ASes present in the Internet Routing Table:   1368
          LACNIC Prefixes per ASN:                                      21.20
      LACNIC Region origin ASes announcing only one prefix:               429
      LACNIC Region transit ASes present in the Internet Routing Table:   237
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              76206464
          Equivalent to 4 /8s, 138 /16s and 209 /24s
          Percentage of available LACNIC address space announced:        56.8
      
      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:                   7350
          Total AfriNIC prefixes after maximum aggregation:              1867
          AfriNIC Deaggregation factor:                                  3.94
      Prefixes being announced from the AfriNIC address blocks:          5664
          Unique aggregates announced from the AfriNIC address blocks:   1769
      AfriNIC Region origin ASes present in the Internet Routing Table:   405
          AfriNIC Prefixes per ASN:                                     13.99
      AfriNIC Region origin ASes announcing only one prefix:              120
      AfriNIC Region transit ASes present in the Internet Routing Table:   92
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       17
      Number of AfriNIC addresses announced to Internet:             20834560
          Equivalent to 1 /8s, 61 /16s and 233 /24s
          Percentage of available AfriNIC address space announced:       62.1
      
      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     1872       9437         510   Korea Telecom (KIX)
       7545     1412        297          80   TPG Internet Pty Ltd
       4755     1373        382         157   TATA Communications formerly 
      17488     1364        156         121   Hathway IP Over Cable Interne
      17974     1246        303          79   PT TELEKOMUNIKASI INDONESIA
       9583     1034         77         497   Sify Limited
      24560     1020        303         179   Bharti Airtel Ltd., Telemedia
       4808      977       1739         267   CNCGROUP IP network: China169
      18101      888        100         134   Reliance Infocom Ltd Internet
       9829      822        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     3770       3667         279   bellsouth.net, inc. 
       4323     2616       1119         393   Time Warner Telecom
       1785     1797        698         130   PaeTec Communications, Inc.
      19262     1777       4833         279   Verizon Global Networks 
      20115     1505       1526         647   Charter Communications 
       7018     1462       5728         935   AT&T WorldNet Services
       6478     1384        280         121   AT&T Worldnet Services 
       2386     1307        555         923   AT&T Data Communications Serv
      11492     1235        231          74   Cable One 
      22773     1205       2858          61   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      449       2028         390   TDC Tele Danmark
       8866      422        119          24   Bulgarian Telecommunication C
        702      404       1869         318   UUNET - Commercial IP service
       8551      402        353          46   Bezeq International
      34984      381         91         184   BILISIM TELEKOM
       3320      380       7332         331   Deutsche Telekom AG
       3301      379       1688         335   TeliaNet Sweden
      30890      375         80         204   Evolva Telecom
      12479      374        576           5   Uni2 Autonomous System
      31148      357         19          78   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
       8151     1341       2581         371   UniNet S.A. de C.V. 
      10620     1332        247         150   TVCABLE BOGOTA 
      28573     1182        909          88   NET Servicos de Comunicao S.A
       7303      831        441         107   Telecom Argentina Stet-France
       6503      761        223         259   AVANTEL, S.A. 
      22047      559        310          15   VTR PUNTO NET S.A. 
      14420      544         39          76   CORPORACION NACIONAL DE TELEC
       3816      484        210          95   Empresa Nacional de Telecomun
       7738      478        922          30   Telecomunicacoes da Bahia S.A
      14117      448         32          27   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      976        445          10   TEDATA
      24863      712        146          44   LINKdotNET AS number
      36992      641        278         167   Etisalat MISR
       3741      266        906         224   The Internet Solution 
       6713      203        199          12   Itissalat Al-MAGHRIB
      29571      203         19          11   Ci Telecom Autonomous system 
       2018      197        277          64   Tertiary Education Network 
      33776      196         12          14   Starcomms Nigeria Limited
      24835      174         78           9   RAYA Telecom - Egypt
      16637      154        440          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     3770       3667         279   bellsouth.net, inc. 
       4323     2616       1119         393   Time Warner Telecom
       4766     1872       9437         510   Korea Telecom (KIX)
       1785     1797        698         130   PaeTec Communications, Inc.
      19262     1777       4833         279   Verizon Global Networks 
      20115     1505       1526         647   Charter Communications 
       7018     1462       5728         935   AT&T WorldNet Services
       7545     1412        297          80   TPG Internet Pty Ltd
       6478     1384        280         121   AT&T Worldnet Services 
       4755     1373        382         157   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      2616        2223      Time Warner Telecom
       1785      1797        1667      PaeTec Communications, Inc.
      19262      1777        1498      Verizon Global Networks 
       4766      1872        1362      Korea Telecom (KIX)
       7545      1412        1332      TPG Internet Pty Ltd
       6478      1384        1263      AT&T Worldnet Services 
      17488      1364        1243      Hathway IP Over Cable Interne
       4755      1373        1216      TATA Communications formerly 
      10620      1332        1182      TVCABLE BOGOTA 
      17974      1246        1167      PT TELEKOMUNIKASI INDONESIA
      
      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        7018       AT&T WorldNet Servic
      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
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      46.20.224.0/20       39451     Melbourne Network Solutions c
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      64.21.192.0/20       11610     Internet Nebraska Corporation
      64.21.212.0/22       11610     Internet Nebraska Corporation
      
      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        /8:19       /9:10      /10:25      /11:67      /12:203     
      /13:420     /14:735     /15:1330    /16:11315   /17:5488    /18:9329    
      /19:18494   /20:23679   /21:23911   /22:31328   /23:30531   /24:173949  
      /25:983     /26:1102    /27:581     /28:153     /29:12      /30:2       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2334          3770      bellsouth.net, inc. 
       4323     1407          2616      Time Warner Telecom
       6478     1346          1384      AT&T Worldnet Services 
      10620     1220          1332      TVCABLE BOGOTA 
      11492     1192          1235      Cable One 
       1785     1077          1797      PaeTec Communications, Inc.
      18566     1069          1088      Covad Communications 
       7011     1056          1156      Citizens Utilities 
      19262      903          1777      Verizon Global Networks 
       8452      882           976      TEDATA
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:87        2:14        4:13        8:311      12:2011     13:8      
        14:34       15:20       16:3        17:9        20:9        24:1383   
        27:389      31:1        32:61       33:12       38:695      40:97     
        41:2454     44:3        46:163      47:11       49:4        50:1      
        52:12       55:3        56:2        57:29       58:832      59:500    
        60:479      61:1111     62:1027     63:1964     64:3746     65:2336   
        66:4062     67:1850     68:1144     69:2846     70:758      71:375    
        72:1940     73:2        74:2321     75:293      76:324      77:869    
        78:698      79:445      80:1043     81:805      82:493      83:450    
        84:685      85:1035     86:431      87:689      88:322      89:1556   
        90:105      91:3107     92:427      93:1020     94:1107     95:739    
        96:389      97:223      98:639      99:32      101:3       108:64     
       109:699     110:423     111:583     112:298     113:296     114:477    
       115:606     116:1115    117:658     118:541     119:979     120:196    
       121:722     122:1589    123:917     124:1228    125:1269    128:227    
       129:158     130:170     131:557     132:274     133:20      134:207    
       135:46      136:207     137:140     138:278     139:109     140:478    
       141:197     142:348     143:386     144:500     145:54      146:429    
       147:190     148:619     149:306     150:146     151:232     152:294    
       153:174     154:3       155:369     156:169     157:333     158:113    
       159:357     160:312     161:198     162:269     163:166     164:423    
       165:349     166:470     167:418     168:678     169:154     170:716    
       171:63      172:2       173:1029    174:554     175:212     176:1      
       177:1       178:537     180:683     181:1       182:244     183:231    
       184:131     186:733     187:513     188:842     189:806     190:4133   
       192:5771    193:4738    194:3430    195:2828    196:1205    198:3544   
       199:3615    200:5421    201:1582    202:8138    203:8299    204:4033   
       205:2326    206:2566    207:3036    208:3899    209:3478    210:2554   
       211:1282    212:1780    213:1706    214:678     215:66      216:4809   
       217:1561    218:522     219:401     220:1177    221:429     222:342    
       223:53     
      
      End of report