[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, 22 Oct 2011 05:16:46 +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 22 Oct, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              380496
          Prefixes after maximum aggregation:                          169790
          Deaggregation factor:                                          2.24
          Unique aggregates announced to Internet:                     185657
      Total ASes present in the Internet Routing Table:                 39145
          Prefixes per ASN:                                              9.72
      Origin-only ASes present in the Internet Routing Table:           32357
      Origin ASes announcing only one prefix:                           15520
      Transit ASes present in the Internet Routing Table:                5252
      Transit-only ASes present in the Internet Routing Table:            137
      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:              1488
          Unregistered ASNs in the Routing Table:                         824
      Number of 32-bit ASNs allocated by the RIRs:                       1876
      Number of 32-bit ASNs visible in the Routing Table:                1536
      Prefixes from 32-bit ASNs in the Routing Table:                    3535
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             90
      Number of addresses announced to Internet:                   2485983008
          Equivalent to 148 /8s, 45 /16s and 23 /24s
          Percentage of available address space announced:               67.1
          Percentage of allocated address space announced:               67.1
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.5
      Total number of prefixes smaller than registry allocations:      160795
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    94637
          Total APNIC prefixes after maximum aggregation:               30888
          APNIC Deaggregation factor:                                    3.06
      Prefixes being announced from the APNIC address blocks:           91103
          Unique aggregates announced from the APNIC address blocks:    37995
      APNIC Region origin ASes present in the Internet Routing Table:    4582
          APNIC Prefixes per ASN:                                       19.88
      APNIC Region origin ASes announcing only one prefix:               1263
      APNIC Region transit ASes present in the Internet Routing Table:    714
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     95
      Number of APNIC addresses announced to Internet:              628909152
          Equivalent to 37 /8s, 124 /16s and 100 /24s
          Percentage of available APNIC address space announced:         79.8
      
      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:                    145635
          Total ARIN prefixes after maximum aggregation:                74451
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           117542
          Unique aggregates announced from the ARIN address blocks:     48144
      ARIN Region origin ASes present in the Internet Routing Table:    14743
          ARIN Prefixes per ASN:                                         7.97
      ARIN Region origin ASes announcing only one prefix:                5665
      ARIN Region transit ASes present in the Internet Routing Table:    1556
      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:               804723200
          Equivalent to 47 /8s, 247 /16s and 26 /24s
          Percentage of available ARIN address space announced:          64.0
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                              29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                              40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                              53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                              65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                              72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                              98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
                             174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
                             208/8, 209/8, 214/8, 215/8, 216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     92842
          Total RIPE prefixes after maximum aggregation:                50711
          RIPE Deaggregation factor:                                     1.83
      Prefixes being announced from the RIPE address blocks:            85517
          Unique aggregates announced from the RIPE address blocks:     54134
      RIPE Region origin ASes present in the Internet Routing Table:    16065
          RIPE Prefixes per ASN:                                         5.32
      RIPE Region origin ASes announcing only one prefix:                7986
      RIPE Region transit ASes present in the Internet Routing Table:    2526
      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:    1077
      Number of RIPE addresses announced to Internet:               491110080
          Equivalent to 29 /8s, 69 /16s and 190 /24s
          Percentage of available RIPE address space announced:          79.1
      
      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:                   35142
          Total LACNIC prefixes after maximum aggregation:               7851
          LACNIC Deaggregation factor:                                   4.48
      Prefixes being announced from the LACNIC address blocks:          34589
          Unique aggregates announced from the LACNIC address blocks:   18057
      LACNIC Region origin ASes present in the Internet Routing Table:   1541
          LACNIC Prefixes per ASN:                                      22.45
      LACNIC Region origin ASes announcing only one prefix:               446
      LACNIC Region transit ASes present in the Internet Routing Table:   278
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   348
      Number of LACNIC addresses announced to Internet:              91696512
          Equivalent to 5 /8s, 119 /16s and 45 /24s
          Percentage of available LACNIC address space announced:        60.7
      
      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:                   8532
          Total AfriNIC prefixes after maximum aggregation:              2017
          AfriNIC Deaggregation factor:                                  4.23
      Prefixes being announced from the AfriNIC address blocks:          6607
          Unique aggregates announced from the AfriNIC address blocks:   1982
      AfriNIC Region origin ASes present in the Internet Routing Table:   493
          AfriNIC Prefixes per ASN:                                     13.40
      AfriNIC Region origin ASes announcing only one prefix:              160
      AfriNIC Region transit ASes present in the Internet Routing Table:  109
      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:             27836672
          Equivalent to 1 /8s, 168 /16s and 193 /24s
          Percentage of available AfriNIC address space announced:       41.5
      
      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     2502      11095         963   Korea Telecom (KIX)
      17974     1888        519          33   PT TELEKOMUNIKASI INDONESIA
       7545     1610        303          85   TPG Internet Pty Ltd
       4755     1538        636         172   TATA Communications formerly 
       7552     1389       1064           8   Vietel Corporation
       9829     1166        989          28   BSNL National Internet Backbo
       9583     1094         80         498   Sify Limited
       4808     1082       2101         308   CNCGROUP IP network: China169
      24560      966        343         220   Bharti Airtel Ltd., Telemedia
      18101      952        166         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     3545       3814         220   bellsouth.net, inc. 
       7029     2287       1016         197   Windstream Communications Inc
      18566     2098        383         177   Covad Communications 
       1785     1839        680         122   PaeTec Communications, Inc.
       4323     1628       1084         393   Time Warner Telecom
      20115     1589       1542         623   Charter Communications 
      22773     1462       2907         100   Cox Communications, Inc.
      19262     1395       4728         400   Verizon Global Networks 
      30036     1395        251         672   Mediacom Communications Corp 
       7018     1322       7030         866   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
       3352     2203       2317          51   Ibernet, Internet Access Netw
       8402     1484        352          13   Corbina telecom
       6830      653       1927         415   UPC Distribution Services
      34984      584        108         180   BILISIM TELEKOM
      20940      548        182         422   Akamai Technologies European 
       3320      504       8169         384   Deutsche Telekom AG
       3292      481       2080         408   TDC Tele Danmark
      12479      478        593           7   Uni2 Autonomous System
       8866      459        133          26   Bulgarian Telecommunication C
      29049      423         31          55   AzerSat LLC.
      
      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     1694        313         155   TVCABLE BOGOTA 
      28573     1442       1032          69   NET Servicos de Comunicao S.A
       8151     1430       2913         352   UniNet S.A. de C.V. 
       7303     1227        747         177   Telecom Argentina Stet-France
      27947      588         72          83   Telconet S.A
      22047      580        322          17   VTR PUNTO NET S.A. 
       6503      569        450          69   AVANTEL, S.A. 
       7738      552       1050          31   Telecomunicacoes da Bahia S.A
       3816      541        233          96   Empresa Nacional de Telecomun
      11172      522         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      802        146          36   LINKdotNET AS number
       8452      641        446          12   TEDATA
      15475      443         74           8   Nile Online
      36992      297        415          21   Etisalat MISR
       3741      280        939         229   The Internet Solution 
       6713      244        519          14   Itissalat Al-MAGHRIB
      15706      240         32           6   Sudatel Internet Exchange Aut
      29571      217         17          13   Ci Telecom Autonomous system 
      33776      208         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     3545       3814         220   bellsouth.net, inc. 
       4766     2502      11095         963   Korea Telecom (KIX)
       7029     2287       1016         197   Windstream Communications Inc
       3352     2203       2317          51   Ibernet, Internet Access Netw
      18566     2098        383         177   Covad Communications 
      17974     1888        519          33   PT TELEKOMUNIKASI INDONESIA
       1785     1839        680         122   PaeTec Communications, Inc.
      10620     1694        313         155   TVCABLE BOGOTA 
       4323     1628       1084         393   Time Warner Telecom
       7545     1610        303          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
       3352      2203        2152      Ibernet, Internet Access Netw
       7029      2287        2090      Windstream Communications Inc
      18566      2098        1921      Covad Communications 
      17974      1888        1855      PT TELEKOMUNIKASI INDONESIA
       1785      1839        1717      PaeTec Communications, Inc.
       4766      2502        1539      Korea Telecom (KIX)
      10620      1694        1539      TVCABLE BOGOTA 
       7545      1610        1525      TPG Internet Pty Ltd
       8402      1484        1471      Corbina telecom
       7552      1389        1381      Vietel Corporation
      
      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
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.225.128.0/18      36377     Comcast Telecommunications, I
      24.225.192.0/23      36377     Comcast Telecommunications, I
      24.225.192.0/18      36377     Comcast Telecommunications, I
      24.225.224.0/21      36377     Comcast Telecommunications, I
      24.225.237.0/24      36377     Comcast Telecommunications, I
      24.225.248.0/21      36377     Comcast Telecommunications, I
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      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      /12:235     
      /13:464     /14:808     /15:1425    /16:12014   /17:6038    /18:10044   
      /19:19947   /20:27466   /21:27612   /22:37390   /23:35908   /24:197611  
      /25:1158    /26:1332    /27:739     /28:157     /29:4       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2185          3545      bellsouth.net, inc. 
      18566     2047          2098      Covad Communications 
       7029     1959          2287      Windstream Communications Inc
       3352     1751          2203      Ibernet, Internet Access Netw
      10620     1589          1694      TVCABLE BOGOTA 
       8402     1460          1484      Corbina telecom
      30036     1357          1395      Mediacom Communications Corp 
      11492     1118          1156      Cable One 
       1785     1057          1839      PaeTec Communications, Inc.
       7011     1048          1166      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:407       2:482       4:15        5:1         6:3         8:361    
        12:1955     13:1        14:540      15:11       16:3        17:7      
        20:9        23:59       24:1676     27:964      31:604      32:65     
        33:4        34:2        36:4        38:755      40:110      41:2668   
        42:53       44:3        46:999      47:3        49:296      50:441    
        52:13       55:6        56:2        57:37       58:880      59:493    
        60:362      61:1180     62:1085     63:1956     64:4048     65:2310   
        66:4285     67:1980     68:1152     69:3193     70:892      71:379    
        72:1802     74:2573     75:389      76:320      77:888      78:861    
        79:481      80:1590     81:941      82:494      83:575      84:621    
        85:1119     86:405      87:894      88:418      89:1598     90:235    
        91:4210     92:527      93:1536     94:1308     95:1078     96:437    
        97:284      98:918      99:37      101:211     103:390     106:70     
       107:73      108:72      109:1050    110:671     111:789     112:331    
       113:488     114:610     115:706     116:881     117:720     118:900    
       119:1251    120:340     121:692     122:1569    123:1018    124:1355   
       125:1384    128:249     129:177     130:165     131:593     132:145    
       133:21      134:219     135:54      136:213     137:140     138:284    
       139:123     140:488     141:298     142:387     143:432     144:494    
       145:63      146:469     147:215     148:641     149:267     150:166    
       151:192     152:447     153:178     154:7       155:386     156:206    
       157:362     158:153     159:479     160:324     161:214     162:340    
       163:172     164:509     165:369     166:537     167:438     168:742    
       169:146     170:872     171:86      172:4       173:1703    174:684    
       175:426     176:271     177:338     178:1064    180:1092    181:36     
       182:649     183:218     184:385     185:1       186:1299    187:704    
       188:934     189:875     190:5096    192:5916    193:5039    194:3562   
       195:3102    196:1253    197:164     198:3625    199:4167    200:5485   
       201:1650    202:8546    203:8491    204:4293    205:2364    206:2687   
       207:2829    208:4029    209:3573    210:2693    211:1452    212:2079   
       213:1800    214:786     215:96      216:4925    217:1617    218:564    
       219:343     220:1243    221:514     222:345     223:274    
      
      End of report