[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, 12 Nov 2011 05:18:23 +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 12 Nov, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              381658
          Prefixes after maximum aggregation:                          166539
          Deaggregation factor:                                          2.29
          Unique aggregates announced to Internet:                     187635
      Total ASes present in the Internet Routing Table:                 39286
          Prefixes per ASN:                                              9.71
      Origin-only ASes present in the Internet Routing Table:           32382
      Origin ASes announcing only one prefix:                           15485
      Transit ASes present in the Internet Routing Table:                5290
      Transit-only ASes present in the Internet Routing Table:            133
      Average AS path length visible in the Internet Routing Table:       4.4
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:              1677
          Unregistered ASNs in the Routing Table:                         881
      Number of 32-bit ASNs allocated by the RIRs:                       1940
      Number of 32-bit ASNs visible in the Routing Table:                1614
      Prefixes from 32-bit ASNs in the Routing Table:                    3721
      Special use prefixes present in the Routing Table:                    3
      Prefixes being announced from unallocated address space:             87
      Number of addresses announced to Internet:                   2490142976
          Equivalent to 148 /8s, 108 /16s and 145 /24s
          Percentage of available address space announced:               67.2
          Percentage of allocated address space announced:               67.2
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.6
      Total number of prefixes smaller than registry allocations:      161365
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    95008
          Total APNIC prefixes after maximum aggregation:               31143
          APNIC Deaggregation factor:                                    3.05
      Prefixes being announced from the APNIC address blocks:           91456
          Unique aggregates announced from the APNIC address blocks:    38380
      APNIC Region origin ASes present in the Internet Routing Table:    4602
          APNIC Prefixes per ASN:                                       19.87
      APNIC Region origin ASes announcing only one prefix:               1269
      APNIC Region transit ASes present in the Internet Routing Table:    720
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         21
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    107
      Number of APNIC addresses announced to Internet:              629934432
          Equivalent to 37 /8s, 140 /16s and 9 /24s
          Percentage of available APNIC address space announced:         79.9
      
      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:                    146101
          Total ARIN prefixes after maximum aggregation:                74287
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           118152
          Unique aggregates announced from the ARIN address blocks:     48520
      ARIN Region origin ASes present in the Internet Routing Table:    14740
          ARIN Prefixes per ASN:                                         8.02
      ARIN Region origin ASes announcing only one prefix:                5637
      ARIN Region transit ASes present in the Internet Routing Table:    1565
      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:               804207808
          Equivalent to 47 /8s, 239 /16s and 60 /24s
          Percentage of available ARIN address space announced:          63.9
      
      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:                     92019
          Total RIPE prefixes after maximum aggregation:                51066
          RIPE Deaggregation factor:                                     1.80
      Prefixes being announced from the RIPE address blocks:            84487
          Unique aggregates announced from the RIPE address blocks:     54587
      RIPE Region origin ASes present in the Internet Routing Table:    16107
          RIPE Prefixes per ASN:                                         5.25
      RIPE Region origin ASes announcing only one prefix:                7977
      RIPE Region transit ASes present in the Internet Routing Table:    2539
      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:    1119
      Number of RIPE addresses announced to Internet:               491921856
          Equivalent to 29 /8s, 82 /16s and 33 /24s
          Percentage of available RIPE address space announced:          79.2
      
      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:                   36135
          Total LACNIC prefixes after maximum aggregation:               7921
          LACNIC Deaggregation factor:                                   4.56
      Prefixes being announced from the LACNIC address blocks:          35567
          Unique aggregates announced from the LACNIC address blocks:   18567
      LACNIC Region origin ASes present in the Internet Routing Table:   1549
          LACNIC Prefixes per ASN:                                      22.96
      LACNIC Region origin ASes announcing only one prefix:               446
      LACNIC Region transit ASes present in the Internet Routing Table:   286
      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:   372
      Number of LACNIC addresses announced to Internet:              92919936
          Equivalent to 5 /8s, 137 /16s and 216 /24s
          Percentage of available LACNIC address space announced:        61.5
      
      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:                   8487
          Total AfriNIC prefixes after maximum aggregation:              2043
          AfriNIC Deaggregation factor:                                  4.15
      Prefixes being announced from the AfriNIC address blocks:          6576
          Unique aggregates announced from the AfriNIC address blocks:   2022
      AfriNIC Region origin ASes present in the Internet Routing Table:   496
          AfriNIC Prefixes per ASN:                                     13.26
      AfriNIC Region origin ASes announcing only one prefix:              156
      AfriNIC Region transit ASes present in the Internet Routing Table:  106
      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:    4
      Number of AfriNIC addresses announced to Internet:             27687168
          Equivalent to 1 /8s, 166 /16s and 121 /24s
          Percentage of available AfriNIC address space announced:       41.3
      
      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     2510      11108         968   Korea Telecom (KIX)
      17974     1649        511          36   PT TELEKOMUNIKASI INDONESIA
       7545     1625        303          88   TPG Internet Pty Ltd
       4755     1544        377         172   TATA Communications formerly 
       7552     1394       1064           7   Vietel Corporation
       9829     1166        989          28   BSNL National Internet Backbo
       9583     1116         83         512   Sify Limited
       4808     1093       2095         313   CNCGROUP IP network: China169
      24560      964        343         218   Bharti Airtel Ltd., Telemedia
      18101      953        119         149   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     3544       3814         219   bellsouth.net, inc. 
       7029     2918       1016         199   Windstream Communications Inc
      18566     2093        383         177   Covad Communications 
       1785     1847        680         122   PaeTec Communications, Inc.
       4323     1622       1077         387   Time Warner Telecom
      20115     1595       1545         624   Charter Communications 
      22773     1495       2909         102   Cox Communications, Inc.
      30036     1415        255         671   Mediacom Communications Corp 
      19262     1395       4728         400   Verizon Global Networks 
       7018     1314       7029         862   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     1519        416          14   Corbina telecom
       6830      646       1927         411   UPC Distribution Services
      34984      596        110         184   BILISIM TELEKOM
      20940      551        182         433   Akamai Technologies European 
       3320      503       8168         388   Deutsche Telekom AG
       3292      479       2074         407   TDC Tele Danmark
      12479      479        596           9   Uni2 Autonomous System
       8866      463        133          26   Bulgarian Telecommunication C
      31148      408         22         114   FreeNet ISP
       8551      402        354          43   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     1706        316         157   TVCABLE BOGOTA 
      28573     1490       1043          79   NET Servicos de Comunicao S.A
       8151     1446       2937         346   UniNet S.A. de C.V. 
       7303     1238        751         173   Telecom Argentina Stet-France
      27947      591         72          84   Telconet S.A
      22047      580        322          17   VTR PUNTO NET S.A. 
       6503      566        434          68   AVANTEL, S.A. 
       7738      553       1050          31   Telecomunicacoes da Bahia S.A
       3816      539        234          96   Empresa Nacional de Telecomun
      11172      525         85          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
      24863      716        146          36   LINKdotNET AS number
       8452      665        446          12   TEDATA
      15475      444         74           8   Nile Online
      36992      285        415          20   Etisalat MISR
       3741      281        939         230   The Internet Solution 
      15706      240         32           6   Sudatel Internet Exchange Aut
      33776      239         13           8   Starcomms Nigeria Limited
       6713      235        519          14   Itissalat Al-MAGHRIB
      29571      218         17          13   Ci Telecom Autonomous system 
      12258      196         28          57   Vodacom Internet Company 
      
      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     3544       3814         219   bellsouth.net, inc. 
       7029     2918       1016         199   Windstream Communications Inc
       4766     2510      11108         968   Korea Telecom (KIX)
      18566     2093        383         177   Covad Communications 
       1785     1847        680         122   PaeTec Communications, Inc.
      10620     1706        316         157   TVCABLE BOGOTA 
      17974     1649        511          36   PT TELEKOMUNIKASI INDONESIA
       7545     1625        303          88   TPG Internet Pty Ltd
       4323     1622       1077         387   Time Warner Telecom
      20115     1595       1545         624   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      2918        2719      Windstream Communications Inc
      18566      2093        1916      Covad Communications 
       1785      1847        1725      PaeTec Communications, Inc.
      17974      1649        1613      PT TELEKOMUNIKASI INDONESIA
      10620      1706        1549      TVCABLE BOGOTA 
       4766      2510        1542      Korea Telecom (KIX)
       7545      1625        1537      TPG Internet Pty Ltd
       8402      1519        1505      Corbina telecom
      28573      1490        1411      NET Servicos de Comunicao S.A
      22773      1495        1393      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
      128.0.0.0/16         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
      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       37345     MEDALLION Communications
      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 
      
      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     /14:808     /15:1422    /16:12006   /17:6064    /18:10089   
      /19:19963   /20:27615   /21:27723   /22:37556   /23:35208   /24:198912  
      /25:1154    /26:1364    /27:759     /28:166     /29:4       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2548          2918      Windstream Communications Inc
       6389     2185          3544      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
      10620     1601          1706      TVCABLE BOGOTA 
       8402     1495          1519      Corbina telecom
      30036     1375          1415      Mediacom Communications Corp 
      11492     1117          1154      Cable One 
       1785     1057          1847      PaeTec Communications, Inc.
       7011     1051          1168      Citizens Utilities 
      22773      958          1495      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:408       2:484       4:15        5:1         6:3         8:356    
        12:1966     13:1        14:547      15:11       16:3        17:7      
        20:9        23:63       24:1683     27:1031     31:675      32:65     
        33:2        34:2        36:4        38:756      39:1        40:110    
        41:2681     42:59       43:1        44:3        46:1050     47:3      
        49:298      50:449      52:13       55:8        56:2        57:47     
        58:920      59:496      60:362      61:1131     62:1094     63:1970   
        64:4065     65:2302     66:4319     67:2019     68:1174     69:3142   
        70:905      71:387      72:1820     74:2633     75:430      76:319    
        77:881      78:887      79:479      80:1133     81:836      82:516    
        83:518      84:621      85:1154     86:400      87:931      88:356    
        89:1591     90:235      91:4257     92:536      93:1553     94:1303   
        95:1089     96:427      97:286      98:943      99:37      101:233    
       103:459     106:7       107:91      108:76      109:1184    110:671    
       111:807     112:362     113:480     114:623     115:715     116:881    
       117:722     118:889     119:1266    120:345     121:681     122:1574   
       123:1019    124:1353    125:1355    128:246     129:184     130:164    
       131:616     132:151     133:21      134:221     135:54      136:213    
       137:142     138:287     139:121     140:494     141:253     142:389    
       143:401     144:495     145:64      146:470     147:219     148:638    
       149:270     150:164     151:194     152:449     153:172     154:7      
       155:387     156:208     157:361     158:155     159:489     160:331    
       161:214     162:374     163:173     164:506     165:368     166:544    
       167:443     168:820     169:145     170:881     171:87      172:4      
       173:1742    174:702     175:432     176:297     177:367     178:1100   
       180:1145    181:38      182:652     183:236     184:393     185:1      
       186:1401    187:774     188:963     189:1157    190:5188    192:5923   
       193:5050    194:3554    195:3109    196:1268    197:170     198:3617   
       199:4206    200:5475    201:1704    202:8553    203:8538    204:4311   
       205:2370    206:2668    207:2816    208:4025    209:3584    210:2711   
       211:1463    212:2074    213:1804    214:777     215:96      216:4930   
       217:1601    218:560     219:343     220:1257    221:515     222:324    
       223:272    
      
      End of report