[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, 19 Nov 2011 05:19:52 +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 19 Nov, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              382518
          Prefixes after maximum aggregation:                          166913
          Deaggregation factor:                                          2.29
          Unique aggregates announced to Internet:                     187922
      Total ASes present in the Internet Routing Table:                 39344
          Prefixes per ASN:                                              9.72
      Origin-only ASes present in the Internet Routing Table:           32426
      Origin ASes announcing only one prefix:                           15480
      Transit ASes present in the Internet Routing Table:                5275
      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:              1738
          Unregistered ASNs in the Routing Table:                         898
      Number of 32-bit ASNs allocated by the RIRs:                       1966
      Number of 32-bit ASNs visible in the Routing Table:                1643
      Prefixes from 32-bit ASNs in the Routing Table:                    3811
      Special use prefixes present in the Routing Table:                    3
      Prefixes being announced from unallocated address space:             85
      Number of addresses announced to Internet:                   2491183488
          Equivalent to 148 /8s, 124 /16s and 113 /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:      161662
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    95270
          Total APNIC prefixes after maximum aggregation:               31163
          APNIC Deaggregation factor:                                    3.06
      Prefixes being announced from the APNIC address blocks:           91712
          Unique aggregates announced from the APNIC address blocks:    38427
      APNIC Region origin ASes present in the Internet Routing Table:    4610
          APNIC Prefixes per ASN:                                       19.89
      APNIC Region origin ASes announcing only one prefix:               1269
      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:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    110
      Number of APNIC addresses announced to Internet:              630281568
          Equivalent to 37 /8s, 145 /16s and 85 /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:                    145957
          Total ARIN prefixes after maximum aggregation:                74487
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           118097
          Unique aggregates announced from the ARIN address blocks:     48616
      ARIN Region origin ASes present in the Internet Routing Table:    14749
          ARIN Prefixes per ASN:                                         8.01
      ARIN Region origin ASes announcing only one prefix:                5633
      ARIN Region transit ASes present in the Internet Routing Table:    1567
      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:      13
      Number of ARIN addresses announced to Internet:               803282880
          Equivalent to 47 /8s, 225 /16s and 31 /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:                     92363
          Total RIPE prefixes after maximum aggregation:                51229
          RIPE Deaggregation factor:                                     1.80
      Prefixes being announced from the RIPE address blocks:            84633
          Unique aggregates announced from the RIPE address blocks:     54540
      RIPE Region origin ASes present in the Internet Routing Table:    16120
          RIPE Prefixes per ASN:                                         5.25
      RIPE Region origin ASes announcing only one prefix:                7983
      RIPE Region transit ASes present in the Internet Routing Table:    2536
      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:    1143
      Number of RIPE addresses announced to Internet:               492243904
          Equivalent to 29 /8s, 87 /16s and 11 /24s
          Percentage of available RIPE address space announced:          79.3
      
      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:                   36318
          Total LACNIC prefixes after maximum aggregation:               7909
          LACNIC Deaggregation factor:                                   4.59
      Prefixes being announced from the LACNIC address blocks:          35776
          Unique aggregates announced from the LACNIC address blocks:   18643
      LACNIC Region origin ASes present in the Internet Routing Table:   1547
          LACNIC Prefixes per ASN:                                      23.13
      LACNIC Region origin ASes announcing only one prefix:               439
      LACNIC Region transit ASes present in the Internet Routing Table:   283
      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:   373
      Number of LACNIC addresses announced to Internet:              93166208
          Equivalent to 5 /8s, 141 /16s and 154 /24s
          Percentage of available LACNIC address space announced:        61.7
      
      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:                   8616
          Total AfriNIC prefixes after maximum aggregation:              2052
          AfriNIC Deaggregation factor:                                  4.20
      Prefixes being announced from the AfriNIC address blocks:          6675
          Unique aggregates announced from the AfriNIC address blocks:   2049
      AfriNIC Region origin ASes present in the Internet Routing Table:   499
          AfriNIC Prefixes per ASN:                                     13.38
      AfriNIC Region origin ASes announcing only one prefix:              156
      AfriNIC Region transit ASes present in the Internet Routing Table:  108
      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:             27745280
          Equivalent to 1 /8s, 167 /16s and 92 /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     2506      11072         963   Korea Telecom (KIX)
      17974     1647        511          36   PT TELEKOMUNIKASI INDONESIA
       7545     1627        303          87   TPG Internet Pty Ltd
       4755     1528        378         169   TATA Communications formerly 
       7552     1394       1064           7   Vietel Corporation
       9829     1166        989          28   BSNL National Internet Backbo
       4808     1097       2073         310   CNCGROUP IP network: China169
       9583     1094         80         494   Sify Limited
      24560      965        343         218   Bharti Airtel Ltd., Telemedia
      18101      952        119         148   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     3543       3814         219   bellsouth.net, inc. 
       7029     2906       1016         199   Windstream Communications Inc
      18566     2093        383         177   Covad Communications 
       1785     1848        680         121   PaeTec Communications, Inc.
       4323     1613       1077         387   Time Warner Telecom
      20115     1596       1546         624   Charter Communications 
      22773     1500       2909         103   Cox Communications, Inc.
      30036     1428        257         670   Mediacom Communications Corp 
      19262     1387       4683         401   Verizon Global Networks 
       7018     1312       7029         860   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     1548        416          14   Corbina telecom
       6830      646       1927         411   UPC Distribution Services
      34984      601        112         188   BILISIM TELEKOM
      20940      553        182         435   Akamai Technologies European 
       3320      512       8168         389   Deutsche Telekom AG
      12479      484        596           9   Uni2 Autonomous System
       3292      480       2106         408   TDC Tele Danmark
       8866      462        133          26   Bulgarian Telecommunication C
       8551      415        366          45   Bezeq International
      31148      409         22         114   FreeNet ISP
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      10620     1706        316         157   TVCABLE BOGOTA 
      28573     1500       1044          70   NET Servicos de Comunicao S.A
       8151     1448       2972         345   UniNet S.A. de C.V. 
       7303     1238        751         173   Telecom Argentina Stet-France
      27947      602         72          86   Telconet S.A
      22047      580        322          17   VTR PUNTO NET S.A. 
       6503      557        434          68   AVANTEL, S.A. 
       7738      553       1050          31   Telecomunicacoes da Bahia S.A
       3816      540        234          96   Empresa Nacional de Telecomun
      11172      529         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      778        146          36   LINKdotNET AS number
       8452      685        446          12   TEDATA
      15475      444         74           8   Nile Online
      36992      283        415          21   Etisalat MISR
       3741      281        939         230   The Internet Solution 
      15706      242         32           6   Sudatel Internet Exchange Aut
       6713      235        519          14   Itissalat Al-MAGHRIB
      29571      218         17          13   Ci Telecom Autonomous system 
      33776      212         13          14   Starcomms Nigeria Limited
      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     3543       3814         219   bellsouth.net, inc. 
       7029     2906       1016         199   Windstream Communications Inc
       4766     2506      11072         963   Korea Telecom (KIX)
      18566     2093        383         177   Covad Communications 
       1785     1848        680         121   PaeTec Communications, Inc.
      10620     1706        316         157   TVCABLE BOGOTA 
      17974     1647        511          36   PT TELEKOMUNIKASI INDONESIA
       7545     1627        303          87   TPG Internet Pty Ltd
       4323     1613       1077         387   Time Warner Telecom
      20115     1596       1546         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      2906        2707      Windstream Communications Inc
      18566      2093        1916      Covad Communications 
       1785      1848        1727      PaeTec Communications, Inc.
      17974      1647        1611      PT TELEKOMUNIKASI INDONESIA
      10620      1706        1549      TVCABLE BOGOTA 
       4766      2506        1543      Korea Telecom (KIX)
       7545      1627        1540      TPG Internet Pty Ltd
       8402      1548        1534      Corbina telecom
      28573      1500        1430      NET Servicos de Comunicao S.A
      22773      1500        1397      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     /14:807     /15:1426    /16:12011   /17:6087    /18:10125   
      /19:20002   /20:27673   /21:27853   /22:37927   /23:35487   /24:198837  
      /25:1153    /26:1361    /27:758     /28:162     /29:4       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2535          2906      Windstream Communications Inc
       6389     2185          3543      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
      10620     1601          1706      TVCABLE BOGOTA 
       8402     1524          1548      Corbina telecom
      30036     1388          1428      Mediacom Communications Corp 
      11492     1117          1154      Cable One 
       1785     1058          1848      PaeTec Communications, Inc.
       7011     1050          1167      Citizens Utilities 
      22773      960          1500      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:411       2:487       4:15        5:1         6:3         8:355    
        12:1959     13:1        14:551      15:11       16:3        17:7      
        20:9        23:63       24:1688     27:1027     31:697      32:65     
        33:2        34:2        36:4        38:762      39:1        40:109    
        41:2689     42:61       43:1        44:3        46:1051     47:3      
        49:295      50:455      52:13       55:8        56:2        57:49     
        58:927      59:479      60:360      61:1143     62:1095     63:1965   
        64:4075     65:2301     66:4334     67:2000     68:1170     69:3146   
        70:904      71:384      72:1816     74:2640     75:429      76:320    
        77:892      78:891      79:439      80:1123     81:838      82:513    
        83:518      84:622      85:1150     86:405      87:907      88:357    
        89:1597     90:235      91:4274     92:539      93:1446     94:1306   
        95:1115     96:428      97:285      98:805      99:37      101:240    
       103:489     106:1       107:94      108:81      109:1188    110:674    
       111:805     112:363     113:497     114:595     115:715     116:879    
       117:720     118:894     119:1271    120:353     121:670     122:1576   
       123:1028    124:1367    125:1352    128:247     129:184     130:176    
       131:630     132:155     133:21      134:228     135:54      136:212    
       137:146     138:285     139:122     140:492     141:251     142:389    
       143:400     144:489     145:65      146:470     147:219     148:632    
       149:263     150:161     151:192     152:449     153:172     154:7      
       155:390     156:208     157:358     158:158     159:494     160:330    
       161:215     162:368     163:175     164:511     165:369     166:542    
       167:444     168:823     169:145     170:879     171:87      172:4      
       173:1745    174:592     175:432     176:297     177:393     178:1117   
       180:1147    181:39      182:656     183:239     184:394     185:1      
       186:1409    187:779     188:980     189:1159    190:5209    192:5933   
       193:5038    194:3544    195:3108    196:1276    197:166     198:3623   
       199:4216    200:5533    201:1704    202:8546    203:8549    204:4307   
       205:2398    206:2592    207:2820    208:4030    209:3577    210:2740   
       211:1465    212:2010    213:1807    214:815     215:97      216:4923   
       217:1601    218:577     219:339     220:1253    221:520     222:327    
       223:279    
      
      End of report