[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, 10 Dec 2011 05:22:50 +1000 (EST)
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    • 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 10 Dec, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              384553
          Prefixes after maximum aggregation:                          167591
          Deaggregation factor:                                          2.29
          Unique aggregates announced to Internet:                     188778
      Total ASes present in the Internet Routing Table:                 39528
          Prefixes per ASN:                                              9.73
      Origin-only ASes present in the Internet Routing Table:           32469
      Origin ASes announcing only one prefix:                           15507
      Transit ASes present in the Internet Routing Table:                5346
      Transit-only ASes present in the Internet Routing Table:            144
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:              1864
          Unregistered ASNs in the Routing Table:                         973
      Number of 32-bit ASNs allocated by the RIRs:                       2059
      Number of 32-bit ASNs visible in the Routing Table:                1713
      Prefixes from 32-bit ASNs in the Routing Table:                    4069
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:             82
      Number of addresses announced to Internet:                   2499466496
          Equivalent to 148 /8s, 250 /16s and 213 /24s
          Percentage of available address space announced:               67.4
          Percentage of allocated address space announced:               67.4
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.7
      Total number of prefixes smaller than registry allocations:      162332
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    95338
          Total APNIC prefixes after maximum aggregation:               31228
          APNIC Deaggregation factor:                                    3.05
      Prefixes being announced from the APNIC address blocks:           91808
          Unique aggregates announced from the APNIC address blocks:    38427
      APNIC Region origin ASes present in the Internet Routing Table:    4601
          APNIC Prefixes per ASN:                                       19.95
      APNIC Region origin ASes announcing only one prefix:               1248
      APNIC Region transit ASes present in the Internet Routing Table:    727
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    119
      Number of APNIC addresses announced to Internet:              631071072
          Equivalent to 37 /8s, 157 /16s and 97 /24s
          Percentage of available APNIC address space announced:         80.0
      
      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:                    146344
          Total ARIN prefixes after maximum aggregation:                74781
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           118441
          Unique aggregates announced from the ARIN address blocks:     48663
      ARIN Region origin ASes present in the Internet Routing Table:    14799
          ARIN Prefixes per ASN:                                         8.00
      ARIN Region origin ASes announcing only one prefix:                5662
      ARIN Region transit ASes present in the Internet Routing Table:    1579
      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:               803365568
          Equivalent to 47 /8s, 226 /16s and 98 /24s
          Percentage of available ARIN address space announced:          63.8
      
      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,  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:                     93411
          Total RIPE prefixes after maximum aggregation:                51508
          RIPE Deaggregation factor:                                     1.81
      Prefixes being announced from the RIPE address blocks:            85799
          Unique aggregates announced from the RIPE address blocks:     55001
      RIPE Region origin ASes present in the Internet Routing Table:    16170
          RIPE Prefixes per ASN:                                         5.31
      RIPE Region origin ASes announcing only one prefix:                7996
      RIPE Region transit ASes present in the Internet Routing Table:    2557
      Average RIPE Region AS path length visible:                         4.7
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1199
      Number of RIPE addresses announced to Internet:               493969856
          Equivalent to 29 /8s, 113 /16s and 97 /24s
          Percentage of available RIPE address space announced:          79.6
      
      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:                   36815
          Total LACNIC prefixes after maximum aggregation:               7940
          LACNIC Deaggregation factor:                                   4.64
      Prefixes being announced from the LACNIC address blocks:          36277
          Unique aggregates announced from the LACNIC address blocks:   18889
      LACNIC Region origin ASes present in the Internet Routing Table:   1556
          LACNIC Prefixes per ASN:                                      23.31
      LACNIC Region origin ASes announcing only one prefix:               441
      LACNIC Region transit ASes present in the Internet Routing Table:   289
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   379
      Number of LACNIC addresses announced to Internet:              94673024
          Equivalent to 5 /8s, 164 /16s and 152 /24s
          Percentage of available LACNIC address space announced:        62.7
      
      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:                   8406
          Total AfriNIC prefixes after maximum aggregation:              2062
          AfriNIC Deaggregation factor:                                  4.08
      Prefixes being announced from the AfriNIC address blocks:          6460
          Unique aggregates announced from the AfriNIC address blocks:   2059
      AfriNIC Region origin ASes present in the Internet Routing Table:   503
          AfriNIC Prefixes per ASN:                                     12.84
      AfriNIC Region origin ASes announcing only one prefix:              160
      AfriNIC Region transit ASes present in the Internet Routing Table:  110
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       25
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
      Number of AfriNIC addresses announced to Internet:             30395392
          Equivalent to 1 /8s, 207 /16s and 204 /24s
          Percentage of available AfriNIC address space announced:       45.3
      
      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     2509      11104         970   Korea Telecom (KIX)
      17974     1694        503          38   PT TELEKOMUNIKASI INDONESIA
       7545     1631        303          86   TPG Internet Pty Ltd
       4755     1511        385         158   TATA Communications formerly 
       7552     1392       1064           7   Vietel Corporation
       9829     1170        989          28   BSNL National Internet Backbo
       9583     1099         81         496   Sify Limited
       4808     1076       2034         303   CNCGROUP IP network: China169
      24560      982        381         162   Bharti Airtel Ltd., Telemedia
      18101      960        122         155   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     3481       3814         218   bellsouth.net, inc. 
       7029     2916       1017         200   Windstream Communications Inc
      18566     2093        383         177   Covad Communications 
       1785     1855        680         121   PaeTec Communications, Inc.
       4323     1617       1073         385   Time Warner Telecom
      20115     1602       1548         628   Charter Communications 
      22773     1505       2909         104   Cox Communications, Inc.
      30036     1443        258         675   Mediacom Communications Corp 
      19262     1388       4683         401   Verizon Global Networks 
       7018     1309       7029         858   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     1581        480          15   Corbina telecom
       6830      644       1927         412   UPC Distribution Services
      34984      624        132         201   BILISIM TELEKOM
       2118      550         99          14   EUnet/RELCOM Autonomous Syste
      20940      544        174         434   Akamai Technologies European 
       3320      528       8161         394   Deutsche Telekom AG
      12479      493        601          12   Uni2 Autonomous System
       3292      480       2106         407   TDC Tele Danmark
       8866      462        133          26   Bulgarian Telecommunication C
       8551      423        366          45   Bezeq International
      
      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     1720        318         155   TVCABLE BOGOTA 
      28573     1549       1059          72   NET Servicos de Comunicao S.A
       8151     1459       2985         349   UniNet S.A. de C.V. 
       7303     1239        751         174   Telecom Argentina Stet-France
      27947      617         72          91   Telconet S.A
      22047      582        322          17   VTR PUNTO NET S.A. 
       6503      554        434          68   AVANTEL, S.A. 
       7738      553       1050          31   Telecomunicacoes da Bahia S.A
       3816      547        237          89   Empresa Nacional de Telecomun
      11172      528         86          95   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      963        958          13   TEDATA
      24863      785        146          35   LINKdotNET AS number
       3741      281        939         230   The Internet Solution 
      15706      242         32           6   Sudatel Internet Exchange Aut
      33776      240         13           8   Starcomms Nigeria Limited
       6713      235        519          14   Itissalat Al-MAGHRIB
      29571      217         17          13   Ci Telecom Autonomous system 
      12258      195         28          60   Vodacom Internet Company 
      24835      193         80           8   RAYA Telecom - Egypt
      16637      164        664          83   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     3481       3814         218   bellsouth.net, inc. 
       7029     2916       1017         200   Windstream Communications Inc
       4766     2509      11104         970   Korea Telecom (KIX)
      18566     2093        383         177   Covad Communications 
       1785     1855        680         121   PaeTec Communications, Inc.
      10620     1720        318         155   TVCABLE BOGOTA 
      17974     1694        503          38   PT TELEKOMUNIKASI INDONESIA
       7545     1631        303          86   TPG Internet Pty Ltd
       4323     1617       1073         385   Time Warner Telecom
      20115     1602       1548         628   Charter Communications 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7029      2916        2716      Windstream Communications Inc
      18566      2093        1916      Covad Communications 
       1785      1855        1734      PaeTec Communications, Inc.
      17974      1694        1656      PT TELEKOMUNIKASI INDONESIA
       8402      1581        1566      Corbina telecom
      10620      1720        1565      TVCABLE BOGOTA 
       7545      1631        1545      TPG Internet Pty Ltd
       4766      2509        1539      Korea Telecom (KIX)
      28573      1549        1477      NET Servicos de Comunicao S.A
      22773      1505        1401      Cox Communications, Inc.
      
      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
      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
      17300   UNALLOCATED  12.45.103.0/24        7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.110.0/24         701       UUNET Technologies, 
      16476   UNALLOCATED  12.46.27.0/24         7018       AT&T WorldNet Servic
      32873   UNALLOCATED  12.46.100.0/23       10912       InterNAP Network Ser
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      128.0.0.0/21         12654     RIPE NCC RIS Project
      128.0.24.0/24        12654     RIPE NCC RIS Project
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      37.0.24.0/21         50794     AS Levira
      37.1.88.0/21         50763     MCKAYCOM LTD
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      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
      64.21.216.0/21       11610     Internet Nebraska Corporation
      66.171.32.0/20         705     UUNET Technologies, Inc. 
      
      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      /12:236     
      /13:465     /14:812     /15:1442    /16:12042   /17:6104    /18:10146   
      /19:20068   /20:27797   /21:28040   /22:38213   /23:35782   /24:199713  
      /25:1176    /26:1417    /27:783     /28:170     /29:3       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2545          2916      Windstream Communications Inc
       6389     2124          3481      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
      10620     1615          1720      TVCABLE BOGOTA 
       8402     1556          1581      Corbina telecom
      30036     1403          1443      Mediacom Communications Corp 
      11492     1116          1153      Cable One 
       1785     1060          1855      PaeTec Communications, Inc.
       7011     1050          1166      Citizens Utilities 
      22773      966          1505      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:445       2:483       4:15        5:1         6:3         8:360    
        12:1944     13:1        14:557      15:11       16:3        17:7      
        20:9        23:72       24:1699     27:1113     31:721      32:67     
        33:2        34:2        36:4        38:771      39:1        40:114    
        41:2895     42:69       43:1        44:3        46:1127     47:3      
        49:228      50:459      52:13       55:5        56:2        57:45     
        58:945      59:487      60:342      61:1176     62:912      63:1970   
        64:4079     65:2307     66:4364     67:2004     68:1178     69:3141   
        70:916      71:362      72:1776     74:2639     75:431      76:319    
        77:937      78:886      79:439      80:1142     81:847      82:521    
        83:529      84:470      85:1169     86:409      87:910      88:353    
        89:1589     90:247      91:4340     92:539      93:1408     94:1324   
        95:1131     96:395      97:285      98:784      99:38      101:122    
       103:538     106:8       107:106     108:95      109:1096    110:670    
       111:823     112:375     113:485     114:617     115:703     116:876    
       117:712     118:878     119:1240    120:343     121:681     122:1557   
       123:1022    124:1365    125:1341    128:275     129:189     130:181    
       131:579     132:158     133:21      134:221     135:55      136:212    
       137:147     138:286     139:123     140:491     141:254     142:382    
       143:404     144:505     145:66      146:474     147:222     148:638    
       149:272     150:165     151:192     152:445     153:171     154:7      
       155:380     156:209     157:358     158:156     159:503     160:334    
       161:221     162:363     163:183     164:523     165:387     166:542    
       167:459     168:818     169:146     170:823     171:90      172:4      
       173:1786    174:591     175:415     176:339     177:429     178:1138   
       180:1173    181:38      182:675     183:253     184:399     185:1      
       186:1480    187:785     188:939     189:1173    190:5288    192:5969   
       193:5121    194:3797    195:3366    196:1273    197:172     198:3618   
       199:4216    200:5543    201:1702    202:8486    203:8523    204:4328   
       205:2404    206:2670    207:2842    208:4015    209:3558    210:2755   
       211:1469    212:1982    213:1795    214:822     215:92      216:4934   
       217:1488    218:578     219:344     220:1250    221:529     222:326    
       223:262    
      
      End of report