[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, 24 Sep 2011 05:29:58 +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: pfsinoz@gmail.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 <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 24 Sep, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              374059
          Prefixes after maximum aggregation:                          168238
          Deaggregation factor:                                          2.22
          Unique aggregates announced to Internet:                     184911
      Total ASes present in the Internet Routing Table:                 38886
          Prefixes per ASN:                                              9.62
      Origin-only ASes present in the Internet Routing Table:           32232
      Origin ASes announcing only one prefix:                           15494
      Transit ASes present in the Internet Routing Table:                5223
      Transit-only ASes present in the Internet Routing Table:            138
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      35
          Max AS path prepend of ASN (23456)                               31
      Prefixes from unregistered ASNs in the Routing Table:              1402
          Unregistered ASNs in the Routing Table:                         772
      Number of 32-bit ASNs allocated by the RIRs:                       1762
      Number of 32-bit ASNs visible in the Routing Table:                1431
      Prefixes from 32-bit ASNs in the Routing Table:                    3276
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             97
      Number of addresses announced to Internet:                   2479145472
          Equivalent to 147 /8s, 196 /16s and 194 /24s
          Percentage of available address space announced:               66.9
          Percentage of allocated address space announced:               66.9
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.4
      Total number of prefixes smaller than registry allocations:      156426
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    93852
          Total APNIC prefixes after maximum aggregation:               30727
          APNIC Deaggregation factor:                                    3.05
      Prefixes being announced from the APNIC address blocks:           90378
          Unique aggregates announced from the APNIC address blocks:    37990
      APNIC Region origin ASes present in the Internet Routing Table:    4575
          APNIC Prefixes per ASN:                                       19.75
      APNIC Region origin ASes announcing only one prefix:               1262
      APNIC Region transit ASes present in the Internet Routing Table:    709
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     88
      Number of APNIC addresses announced to Internet:              627667040
          Equivalent to 37 /8s, 105 /16s and 112 /24s
          Percentage of available APNIC address space announced:         79.6
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                             58368-59391, 131072-132095, 132096-133119
      APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                              49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                             106/8, 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:                    143860
          Total ARIN prefixes after maximum aggregation:                73754
          ARIN Deaggregation factor:                                     1.95
      Prefixes being announced from the ARIN address blocks:           115959
          Unique aggregates announced from the ARIN address blocks:     48009
      ARIN Region origin ASes present in the Internet Routing Table:    14685
          ARIN Prefixes per ASN:                                         7.90
      ARIN Region origin ASes announcing only one prefix:                5659
      ARIN Region transit ASes present in the Internet Routing Table:    1562
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          25
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               804997888
          Equivalent to 47 /8s, 251 /16s and 75 /24s
          Percentage of available ARIN address space announced:          64.0
      
      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,  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,  45/8,  47/8,  48/8,  50/8,  52/8,
                              53/8,  54/8,  55/8,  56/8,  57/8,  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, 104/8, 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:                     89445
          Total RIPE prefixes after maximum aggregation:                50349
          RIPE Deaggregation factor:                                     1.78
      Prefixes being announced from the RIPE address blocks:            82150
          Unique aggregates announced from the RIPE address blocks:     54043
      RIPE Region origin ASes present in the Internet Routing Table:    15994
          RIPE Prefixes per ASN:                                         5.14
      RIPE Region origin ASes announcing only one prefix:                7970
      RIPE Region transit ASes present in the Internet Routing Table:    2509
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1018
      Number of RIPE addresses announced to Internet:               489770368
          Equivalent to 29 /8s, 49 /16s and 77 /24s
          Percentage of available RIPE address space announced:          78.9
      
      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, 56320-58367
                             196608-198655
      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, 185/8, 193/8, 194/8, 195/8, 212/8,
                             213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   34957
          Total LACNIC prefixes after maximum aggregation:               7779
          LACNIC Deaggregation factor:                                   4.49
      Prefixes being announced from the LACNIC address blocks:          34257
          Unique aggregates announced from the LACNIC address blocks:   17926
      LACNIC Region origin ASes present in the Internet Routing Table:   1527
          LACNIC Prefixes per ASN:                                      22.43
      LACNIC Region origin ASes announcing only one prefix:               447
      LACNIC Region transit ASes present in the Internet Routing Table:   273
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   310
      Number of LACNIC addresses announced to Internet:              89159552
          Equivalent to 5 /8s, 80 /16s and 119 /24s
          Percentage of available LACNIC address space announced:        59.0
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 179/8, 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:                   8500
          Total AfriNIC prefixes after maximum aggregation:              1993
          AfriNIC Deaggregation factor:                                  4.26
      Prefixes being announced from the AfriNIC address blocks:          6578
          Unique aggregates announced from the AfriNIC address blocks:   1995
      AfriNIC Region origin ASes present in the Internet Routing Table:   488
          AfriNIC Prefixes per ASN:                                     13.48
      AfriNIC Region origin ASes announcing only one prefix:              156
      AfriNIC Region transit ASes present in the Internet Routing Table:  102
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       25
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    3
      Number of AfriNIC addresses announced to Internet:             26803968
          Equivalent to 1 /8s, 152 /16s and 255 /24s
          Percentage of available AfriNIC address space announced:       39.9
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 102/8, 105/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     2503      11048         956   Korea Telecom (KIX)
      17974     2004        519          33   PT TELEKOMUNIKASI INDONESIA
       7545     1599        303          86   TPG Internet Pty Ltd
       4755     1555        639         169   TATA Communications formerly 
       7552     1397       1064           7   Vietel Corporation
      24560     1182        337         194   Bharti Airtel Ltd., Telemedia
       9829     1158        989          28   BSNL National Internet Backbo
       9583     1085         80         502   Sify Limited
       4808     1074       2098         304   CNCGROUP IP network: China169
      18101      950        117         142   Reliance Infocom Ltd Internet
      
      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     3561       3817         226   bellsouth.net, inc. 
      18566     1913        365         238   Covad Communications 
       1785     1826        680         123   PaeTec Communications, Inc.
       7029     1706       1008         194   Windstream Communications Inc
       4323     1623       1082         391   Time Warner Telecom
      20115     1597       1543         633   Charter Communications 
      22773     1458       2907          99   Cox Communications, Inc.
      30036     1420        264         677   Mediacom Communications Corp 
      19262     1396       4728         400   Verizon Global Networks 
       7018     1332       7050         869   AT&T WorldNet Services
      
      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
       8402      967        352          13   Corbina telecom
      34984      566        108         181   BILISIM TELEKOM
      20940      542        181         420   Akamai Technologies European 
       6830      533       1813         325   UPC Distribution Services
       3320      493       8167         381   Deutsche Telekom AG
       3292      477       2082         407   TDC Tele Danmark
      12479      476        594           8   Uni2 Autonomous System
       8866      462        133          26   Bulgarian Telecommunication C
      29049      424         31          55   AzerSat LLC.
       3301      405       1904         354   TeliaNet Sweden
      
      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     1679        309         156   TVCABLE BOGOTA 
       8151     1416       2795         354   UniNet S.A. de C.V. 
      28573     1362       1013          70   NET Servicos de Comunicao S.A
       7303     1161        681         173   Telecom Argentina Stet-France
      14420      734         58          88   CORPORACION NACIONAL DE TELEC
       6503      582        450          69   AVANTEL, S.A. 
      22047      580        322          17   VTR PUNTO NET S.A. 
      27947      566         55          79   Telconet S.A
       3816      535        232          98   Empresa Nacional de Telecomun
      11172      516         85          91   Servicios Alestra S.A de C.V 
      
      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
      24863      812        147          43   LINKdotNET AS number
       8452      710        445          11   TEDATA
      15475      451         74           8   Nile Online
      36992      291        415          14   Etisalat MISR
       3741      274        938         229   The Internet Solution 
      15706      244         32           6   Sudatel Internet Exchange Aut
       6713      242        519          14   Itissalat Al-MAGHRIB
      33776      239         13           8   Starcomms Nigeria Limited
      12258      198         28          58   Vodacom Internet Company 
      29571      190         17          11   Ci Telecom Autonomous system 
      
      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     3561       3817         226   bellsouth.net, inc. 
      23456     3276        774        1775   32-bit ASN transition
       4766     2503      11048         956   Korea Telecom (KIX)
      17974     2004        519          33   PT TELEKOMUNIKASI INDONESIA
      18566     1913        365         238   Covad Communications 
       1785     1826        680         123   PaeTec Communications, Inc.
       7029     1706       1008         194   Windstream Communications Inc
      10620     1679        309         156   TVCABLE BOGOTA 
       4323     1623       1082         391   Time Warner Telecom
       7545     1599        303          86   TPG Internet Pty Ltd
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      17974      2004        1971      PT TELEKOMUNIKASI INDONESIA
       1785      1826        1703      PaeTec Communications, Inc.
      18566      1913        1675      Covad Communications 
       4766      2503        1547      Korea Telecom (KIX)
      10620      1679        1523      TVCABLE BOGOTA 
       7545      1599        1513      TPG Internet Pty Ltd
       7029      1706        1512      Windstream Communications Inc
      23456      3276        1501      32-bit ASN transition
       7552      1397        1390      Vietel Corporation
       4755      1555        1386      TATA Communications formerly 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      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
      13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic
      23502   UNALLOCATED  12.44.44.0/24         7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.225.128.0/18      36377     Comcast Telecommunications, I
      24.225.192.0/23      36377     Comcast Telecommunications, I
      24.225.192.0/18      36377     Comcast Telecommunications, I
      24.225.224.0/21      36377     Comcast Telecommunications, I
      24.225.237.0/24      36377     Comcast Telecommunications, I
      24.225.248.0/21      36377     Comcast Telecommunications, I
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      46.18.104.0/21       23456     32-bit ASN transition
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      
      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       /9:12      /10:27      /11:81      /12:234     
      /13:464     /14:801     /15:1416    /16:11985   /17:5990    /18:10025   
      /19:19811   /20:27043   /21:27104   /22:36625   /23:34934   /24:194103  
      /25:1117    /26:1336    /27:752     /28:171     /29:4       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2198          3561      bellsouth.net, inc. 
      18566     1869          1913      Covad Communications 
      10620     1574          1679      TVCABLE BOGOTA 
      23456     1564          3276      32-bit ASN transition
       7029     1403          1706      Windstream Communications Inc
      30036     1377          1420      Mediacom Communications Corp 
      11492     1114          1152      Cable One 
       7011     1057          1182      Citizens Utilities 
       1785     1053          1826      PaeTec Communications, Inc.
      22773      947          1458      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:384       2:297       4:15        5:1         6:3         8:351    
        12:1956     13:1        14:543      15:13       16:3        17:7      
        20:10       23:35       24:1681     27:945      31:543      32:64     
        33:4        34:2        36:4        38:742      40:108      41:2586   
        42:48       44:3        46:992      47:3        49:257      50:421    
        52:13       54:2        55:4        56:2        57:35       58:875    
        59:492      60:340      61:1179     62:1093     63:1940     64:4048   
        65:2303     66:3968     67:1951     68:1116     69:3188     70:814    
        71:377      72:1856     74:2455     75:349      76:341      77:870    
        78:790      79:479      80:1126     81:838      82:505      83:517    
        84:622      85:1086     86:409      87:873      88:351      89:1581   
        90:267      91:4120     92:524      93:1289     94:1325     95:904    
        96:437      97:276      98:931      99:37      101:210     103:316    
       106:70      107:52      108:79      109:1026    110:669     111:784    
       112:324     113:446     114:566     115:688     116:864     117:711    
       118:891     119:1210    120:334     121:686     122:1609    123:1003   
       124:1359    125:1358    128:244     129:179     130:165     131:583    
       132:120     133:21      134:216     135:54      136:212     137:139    
       138:289     139:120     140:494     141:287     142:387     143:411    
       144:486     145:58      146:471     147:215     148:639     149:259    
       150:153     151:191     152:446     153:177     154:6       155:395    
       156:203     157:359     158:146     159:463     160:325     161:207    
       162:339     163:177     164:507     165:373     166:534     167:432    
       168:751     169:146     170:860     171:83      172:1       173:1653   
       174:643     175:400     176:212     177:275     178:998     180:1079   
       181:30      182:626     183:219     184:378     185:1       186:1458   
       187:669     188:944     189:868     190:5164    192:5906    193:5018   
       194:3529    195:3069    196:1250    197:175     198:3591    199:4124   
       200:5520    201:1636    202:8518    203:8483    204:4254    205:2341   
       206:2677    207:2827    208:4030    209:3455    210:2670    211:1464   
       212:2087    213:1776    214:781     215:76      216:4879    217:1609   
       218:559     219:339     220:1227    221:513     222:342     223:263    
      
      
      End of report