[pacnog] 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: [pacnog] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 28 May 2011 05:01:06 +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 28 May, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              358362
          Prefixes after maximum aggregation:                          162138
          Deaggregation factor:                                          2.21
          Unique aggregates announced to Internet:                     177469
      Total ASes present in the Internet Routing Table:                 37701
          Prefixes per ASN:                                              9.51
      Origin-only ASes present in the Internet Routing Table:           31497
      Origin ASes announcing only one prefix:                           15121
      Transit ASes present in the Internet Routing Table:                5100
      Transit-only ASes present in the Internet Routing Table:            139
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      36
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:               705
          Unregistered ASNs in the Routing Table:                         376
      Number of 32-bit ASNs allocated by the RIRs:                       1389
      Number of 32-bit ASNs visible in the Routing Table:                1104
      Prefixes from 32-bit ASNs in the Routing Table:                    2503
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            289
      Number of addresses announced to Internet:                   2437036992
          Equivalent to 145 /8s, 66 /16s and 59 /24s
          Percentage of available address space announced:               65.8
          Percentage of allocated address space announced:               65.8
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.0
      Total number of prefixes smaller than registry allocations:      149159
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    89221
          Total APNIC prefixes after maximum aggregation:               30038
          APNIC Deaggregation factor:                                    2.97
      Prefixes being announced from the APNIC address blocks:           85654
          Unique aggregates announced from the APNIC address blocks:    36698
      APNIC Region origin ASes present in the Internet Routing Table:    4461
          APNIC Prefixes per ASN:                                       19.20
      APNIC Region origin ASes announcing only one prefix:               1245
      APNIC Region transit ASes present in the Internet Routing Table:    703
      Average APNIC Region AS path length visible:                        4.6
          Max APNIC Region AS path length visible:                         20
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     48
      Number of APNIC addresses announced to Internet:              616629792
          Equivalent to 36 /8s, 193 /16s and 6 /24s
          Percentage of available APNIC address space announced:         78.2
      
      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,  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:                    140454
          Total ARIN prefixes after maximum aggregation:                71446
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           112718
          Unique aggregates announced from the ARIN address blocks:     45895
      ARIN Region origin ASes present in the Internet Routing Table:    14398
          ARIN Prefixes per ASN:                                         7.83
      ARIN Region origin ASes announcing only one prefix:                5492
      ARIN Region transit ASes present in the Internet Routing Table:    1508
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               801841408
          Equivalent to 47 /8s, 203 /16s and 33 /24s
          Percentage of available ARIN address space announced:          63.7
      
      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:                     84958
          Total RIPE prefixes after maximum aggregation:                48453
          RIPE Deaggregation factor:                                     1.75
      Prefixes being announced from the RIPE address blocks:            78225
          Unique aggregates announced from the RIPE address blocks:     51823
      RIPE Region origin ASes present in the Internet Routing Table:    15639
          RIPE Prefixes per ASN:                                         5.00
      RIPE Region origin ASes announcing only one prefix:                7820
      RIPE Region transit ASes present in the Internet Routing Table:    2461
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          36
      Number of RIPE region 32-bit ASNs visible in the Routing Table:     815
      Number of RIPE addresses announced to Internet:               474301952
          Equivalent to 28 /8s, 69 /16s and 70 /24s
          Percentage of available RIPE address space announced:          76.4
      
      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, 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:                   32990
          Total LACNIC prefixes after maximum aggregation:               7492
          LACNIC Deaggregation factor:                                   4.40
      Prefixes being announced from the LACNIC address blocks:          32033
          Unique aggregates announced from the LACNIC address blocks:   16834
      LACNIC Region origin ASes present in the Internet Routing Table:   1458
          LACNIC Prefixes per ASN:                                      21.97
      LACNIC Region origin ASes announcing only one prefix:               427
      LACNIC Region transit ASes present in the Internet Routing Table:   263
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   224
      Number of LACNIC addresses announced to Internet:              83999744
          Equivalent to 5 /8s, 1 /16s and 188 /24s
          Percentage of available LACNIC address space announced:        55.6
      
      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:                   8016
          Total AfriNIC prefixes after maximum aggregation:              1888
          AfriNIC Deaggregation factor:                                  4.25
      Prefixes being announced from the AfriNIC address blocks:          6339
          Unique aggregates announced from the AfriNIC address blocks:   1891
      AfriNIC Region origin ASes present in the Internet Routing Table:   452
          AfriNIC Prefixes per ASN:                                     14.02
      AfriNIC Region origin ASes announcing only one prefix:              137
      AfriNIC Region transit ASes present in the Internet Routing Table:  102
      Average AfriNIC Region AS path length visible:                      4.8
          Max AfriNIC Region AS path length visible:                       24
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    5
      Number of AfriNIC addresses announced to Internet:             23157760
          Equivalent to 1 /8s, 97 /16s and 92 /24s
          Percentage of available AfriNIC address space announced:       34.5
      
      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     2461       9500         922   Korea Telecom (KIX)
      17974     1852        516          32   PT TELEKOMUNIKASI INDONESIA
       7545     1534        301          85   TPG Internet Pty Ltd
       4755     1473        635         169   TATA Communications formerly 
      24560     1155        337         187   Bharti Airtel Ltd., Telemedia
       7552     1140       1064           7   Vietel Corporation
       4808     1081       2141         302   CNCGROUP IP network: China169
       9583     1076         79         507   Sify Limited
       9829     1035        873          54   BSNL National Internet Backbo
      18101      931        116         141   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     3641       3822         254   bellsouth.net, inc. 
       4323     1972       1081         399   Time Warner Telecom
      18566     1875        355         271   Covad Communications 
       1785     1789        681         123   PaeTec Communications, Inc.
       6478     1704        317          50   AT&T Worldnet Services 
      20115     1535       1540         633   Charter Communications 
      19262     1480       4916         330   Verizon Global Networks 
       7018     1363       7068         887   AT&T WorldNet Services
      22773     1335       2897          88   Cox Communications, Inc.
      11492     1280        240          15   Cable One 
      
      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      516       1780         319   UPC Distribution Services
      34984      516        106         179   BILISIM TELEKOM
       3292      462       2078         397   TDC Tele Danmark
      20940      456        133         350   Akamai Technologies European 
      29049      451         33          48   AzerSat LLC.
       8866      445        134          26   Bulgarian Telecommunication C
      12479      430        577           6   Uni2 Autonomous System
       3320      426       8152         371   Deutsche Telekom AG
       8551      406        355          45   Bezeq International
       3301      398       1839         347   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     1492        274         156   TVCABLE BOGOTA 
       8151     1379       2710         364   UniNet S.A. de C.V. 
      28573     1321        991          88   NET Servicos de Comunicao S.A
       7303      958        504         150   Telecom Argentina Stet-France
       6503      727        354          70   AVANTEL, S.A. 
      14420      670         54          91   CORPORACION NACIONAL DE TELEC
      22047      565        310          15   VTR PUNTO NET S.A. 
       3816      539        227         101   Empresa Nacional de Telecomun
      13489      515        262         121   Orbitel S.A. E.S.P. 
      11172      495         84          84   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
       8452      871        445          11   TEDATA
      24863      787        147          37   LINKdotNET AS number
      15475      543         90           8   Nile Online
      36992      290        315          18   Etisalat MISR
       3741      263        937         226   The Internet Solution 
       6713      241        215          13   Itissalat Al-MAGHRIB
      24835      208         78          10   RAYA Telecom - Egypt
      33776      202         11           8   Starcomms Nigeria Limited
      29571      163         19          12   Ci Telecom Autonomous system 
      16637      150        441          86   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     3641       3822         254   bellsouth.net, inc. 
      23456     2503        631        1363   32-bit ASN transition
       4766     2461       9500         922   Korea Telecom (KIX)
       4323     1972       1081         399   Time Warner Telecom
      18566     1875        355         271   Covad Communications 
      17974     1852        516          32   PT TELEKOMUNIKASI INDONESIA
       1785     1789        681         123   PaeTec Communications, Inc.
       6478     1704        317          50   AT&T Worldnet Services 
      20115     1535       1540         633   Charter Communications 
       7545     1534        301          85   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      1852        1820      PT TELEKOMUNIKASI INDONESIA
       1785      1789        1666      PaeTec Communications, Inc.
       6478      1704        1654      AT&T Worldnet Services 
      18566      1875        1604      Covad Communications 
       4323      1972        1573      Time Warner Telecom
       4766      2461        1539      Korea Telecom (KIX)
       7545      1534        1449      TPG Internet Pty Ltd
      10620      1492        1336      TVCABLE BOGOTA 
       4755      1473        1304      TATA Communications formerly 
      11492      1280        1265      Cable One 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      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
      27.0.128.0/17         7514     Media Exchange, Inc.
      41.190.32.0/23       31856     CABSAS
      41.190.34.0/23       31856     CABSAS
      41.190.36.0/23       31856     CABSAS
      
      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       /9:12      /10:28      /11:79      /12:228     
      /13:460     /14:794     /15:1394    /16:11758   /17:5834    /18:9760    
      /19:19296   /20:25693   /21:25898   /22:34097   /23:33118   /24:186639  
      /25:1090    /26:1269    /27:713     /28:166     /29:8       /30:2       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2242          3641      bellsouth.net, inc. 
      18566     1838          1875      Covad Communications 
       6478     1658          1704      AT&T Worldnet Services 
      10620     1382          1492      TVCABLE BOGOTA 
      11492     1226          1280      Cable One 
      23456     1220          2503      32-bit ASN transition
       7011     1061          1160      Citizens Utilities 
       1785     1051          1789      PaeTec Communications, Inc.
       4323      885          1972      Time Warner Telecom
      22773      850          1335      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:279       2:48        4:16        5:1         6:3         8:353    
        12:1984     13:1        14:461      15:15       16:3        17:8      
        20:10       23:7        24:1645     27:774      31:351      32:60     
        33:4        34:2        37:1        38:739      40:101      41:2527   
        42:5        44:3        46:930      47:3        49:195      50:422    
        52:13       54:2        55:6        56:2        57:30       58:846    
        59:479      60:387      61:1235     62:1044     63:1940     64:3947   
        65:2293     66:4148     67:1873     68:1085     69:2992     70:706    
        71:352      72:1891     73:1        74:2358     75:302      76:341    
        77:870      78:706      79:464      80:1083     81:823      82:494    
        83:437      84:677      85:1061     86:593      87:754      88:330    
        89:1527     90:203      91:3788     92:517      93:1049     94:1280   
        95:802      96:506      97:249      98:850      99:35      101:58     
       103:28      106:1       107:7       108:84      109:949     110:600    
       111:712     112:304     113:400     114:535     115:671     116:946    
       117:693     118:827     119:1146    120:308     121:670     122:1621   
       123:999     124:1262    125:1230    128:262     129:173     130:164    
       131:571     132:109     133:19      134:213     135:48      136:214    
       137:143     138:300     139:112     140:482     141:239     142:403    
       143:400     144:483     145:54      146:447     147:209     148:590    
       149:242     150:168     151:186     152:325     153:177     154:3      
       155:397     156:194     157:354     158:137     159:387     160:317    
       161:207     162:282     163:164     164:498     165:355     166:515    
       167:428     168:733     169:155     170:805     171:77      172:1      
       173:1560    174:550     175:370     176:129     177:135     178:988    
       180:848     181:17      182:453     183:209     184:285     185:1      
       186:1174    187:770     188:842     189:903     190:4816    192:5840   
       193:4893    194:3500    195:2985    196:1224    197:19      198:3576   
       199:3905    200:5537    201:1484    202:8317    203:8405    204:4172   
       205:2328    206:2677    207:2874    208:3966    209:3471    210:2737   
       211:1394    212:1989    213:1735    214:729     215:72      216:4905   
       217:1632    218:565     219:363     220:1201    221:491     222:341    
       223:147    
      
      End of report