[pacnog] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org, sanog at sanog dot org, pacnog at pacnog dot org
  • Subject: [pacnog] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 7 Apr 2012 04:47:53 +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,
      TRNOG, 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 07 Apr, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              404580
          Prefixes after maximum aggregation:                          171963
          Deaggregation factor:                                          2.35
          Unique aggregates announced to Internet:                     196184
      Total ASes present in the Internet Routing Table:                 40624
          Prefixes per ASN:                                              9.96
      Origin-only ASes present in the Internet Routing Table:           32993
      Origin ASes announcing only one prefix:                           15464
      Transit ASes present in the Internet Routing Table:                5440
      Transit-only ASes present in the Internet Routing Table:            139
      Average AS path length visible in the Internet Routing Table:       4.4
          Max AS path length visible:                                      32
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:               670
          Unregistered ASNs in the Routing Table:                         296
      Number of 32-bit ASNs allocated by the RIRs:                       2347
      Number of 32-bit ASNs visible in the Routing Table:                2191
      Prefixes from 32-bit ASNs in the Routing Table:                    5373
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:           1411
      Number of addresses announced to Internet:                   2533675600
          Equivalent to 151 /8s, 4 /16s and 210 /24s
          Percentage of available address space announced:               68.4
          Percentage of allocated address space announced:               68.4
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               92.1
      Total number of prefixes smaller than registry allocations:      171899
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    99031
          Total APNIC prefixes after maximum aggregation:               32155
          APNIC Deaggregation factor:                                    3.08
      Prefixes being announced from the APNIC address blocks:           95427
          Unique aggregates announced from the APNIC address blocks:    39280
      APNIC Region origin ASes present in the Internet Routing Table:    4678
          APNIC Prefixes per ASN:                                       20.40
      APNIC Region origin ASes announcing only one prefix:               1237
      APNIC Region transit ASes present in the Internet Routing Table:    730
      Average APNIC Region AS path length visible:                        4.6
          Max APNIC Region AS path length visible:                         19
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    172
      Number of APNIC addresses announced to Internet:              642926944
          Equivalent to 38 /8s, 82 /16s and 73 /24s
          Percentage of available APNIC address space announced:         81.5
      
      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:                    149419
          Total ARIN prefixes after maximum aggregation:                75874
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           120748
          Unique aggregates announced from the ARIN address blocks:     50004
      ARIN Region origin ASes present in the Internet Routing Table:    14948
          ARIN Prefixes per ASN:                                         8.08
      ARIN Region origin ASes announcing only one prefix:                5685
      ARIN Region transit ASes present in the Internet Routing Table:    1571
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          22
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      17
      Number of ARIN addresses announced to Internet:               805818560
          Equivalent to 48 /8s, 7 /16s and 208 /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:                    100976
          Total RIPE prefixes after maximum aggregation:                53317
          RIPE Deaggregation factor:                                     1.89
      Prefixes being announced from the RIPE address blocks:            92174
          Unique aggregates announced from the RIPE address blocks:     57205
      RIPE Region origin ASes present in the Internet Routing Table:    16359
          RIPE Prefixes per ASN:                                         5.63
      RIPE Region origin ASes announcing only one prefix:                7947
      RIPE Region transit ASes present in the Internet Routing Table:    2636
      Average RIPE Region AS path length visible:                         4.7
          Max RIPE Region AS path length visible:                          32
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1480
      Number of RIPE addresses announced to Internet:               502244616
          Equivalent to 29 /8s, 239 /16s and 165 /24s
          Percentage of available RIPE address space announced:          80.9
      
      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:                   40366
          Total LACNIC prefixes after maximum aggregation:               8212
          LACNIC Deaggregation factor:                                   4.92
      Prefixes being announced from the LACNIC address blocks:          39937
          Unique aggregates announced from the LACNIC address blocks:   19771
      LACNIC Region origin ASes present in the Internet Routing Table:   1569
          LACNIC Prefixes per ASN:                                      25.45
      LACNIC Region origin ASes announcing only one prefix:               431
      LACNIC Region transit ASes present in the Internet Routing Table:   295
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   517
      Number of LACNIC addresses announced to Internet:              98728072
          Equivalent to 5 /8s, 226 /16s and 120 /24s
          Percentage of available LACNIC address space announced:        65.4
      
      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:                   8950
          Total AfriNIC prefixes after maximum aggregation:              2118
          AfriNIC Deaggregation factor:                                  4.23
      Prefixes being announced from the AfriNIC address blocks:          7001
          Unique aggregates announced from the AfriNIC address blocks:   2160
      AfriNIC Region origin ASes present in the Internet Routing Table:   526
          AfriNIC Prefixes per ASN:                                     13.31
      AfriNIC Region origin ASes announcing only one prefix:              164
      AfriNIC Region transit ASes present in the Internet Routing Table:  118
      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:    5
      Number of AfriNIC addresses announced to Internet:             31531520
          Equivalent to 1 /8s, 225 /16s and 34 /24s
          Percentage of available AfriNIC address space announced:       47.0
      
      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     2476      11110         997   Korea Telecom (KIX)
      17974     1782        503          63   PT TELEKOMUNIKASI INDONESIA
       7545     1658        301          85   TPG Internet Pty Ltd
       4755     1575        386         157   TATA Communications formerly 
       9583     1237         94         541   Sify Limited
       9829     1235       1041          30   BSNL National Internet Backbo
       7552     1167       1062          11   Vietel Corporation
       4808     1105       2050         316   CNCGROUP IP network: China169
      24560     1021        385         167   Bharti Airtel Ltd., Telemedia
      18101      947        131         159   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     3432       3807         196   bellsouth.net, inc. 
       7029     3381        990         156   Windstream Communications Inc
      18566     2092        383         179   Covad Communications 
       1785     1893        680         129   PaeTec Communications, Inc.
      20115     1637       1561         617   Charter Communications 
       4323     1598       1044         380   Time Warner Telecom
      22773     1568       2910         111   Cox Communications, Inc.
      30036     1461        265         742   Mediacom Communications Corp 
       7018     1279       9774         828   AT&T WorldNet Services
      11492     1185        216         365   Cable One 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8402     1773        544          16   Corbina telecom
       2118     1394         97          14   EUnet/RELCOM Autonomous Syste
      31148      679         37           9   FreeNet ISP
      34984      676        188         173   BILISIM TELEKOM
      12479      656        658          57   Uni2 Autonomous System
      20940      651        206         500   Akamai Technologies European 
       6830      639       1943         410   UPC Distribution Services
       8551      574        360          81   Bezeq International
       3320      532       8442         398   Deutsche Telekom AG
       2578      501         33           7   Demos, Moscow, Russia
      
      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     1794        326         167   TVCABLE BOGOTA 
      28573     1773       1105          61   NET Servicos de Comunicao S.A
       6503     1531        418          64   AVANTEL, S.A. 
       8151     1481       2998         354   UniNet S.A. de C.V. 
       7303     1353        827         189   Telecom Argentina Stet-France
      26615      847        697          32   Tim Brasil S.A.
      27947      687         74         102   Telconet S.A
      11172      637        107          74   Servicios Alestra S.A de C.V 
      22047      584        326          15   VTR PUNTO NET S.A. 
       3816      570        242         100   Empresa Nacional de Telecomun
      
      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     1305        958          13   TEDATA
      24863      848        274          35   LINKdotNET AS number
       6713      493        649          18   Itissalat Al-MAGHRIB
       3741      266        921         224   The Internet Solution 
      33776      208         12          21   Starcomms Nigeria Limited
      12258      197         28          62   Vodacom Internet Company 
      24835      178         80           8   RAYA Telecom - Egypt
      15706      168         32           6   Sudatel Internet Exchange Aut
      16637      165        666          83   MTN Network Solutions
      29571      161         15          16   Ci Telecom Autonomous system 
      
      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     3432       3807         196   bellsouth.net, inc. 
       7029     3381        990         156   Windstream Communications Inc
       4766     2476      11110         997   Korea Telecom (KIX)
      18566     2092        383         179   Covad Communications 
       1785     1893        680         129   PaeTec Communications, Inc.
      10620     1794        326         167   TVCABLE BOGOTA 
      17974     1782        503          63   PT TELEKOMUNIKASI INDONESIA
       8402     1773        544          16   Corbina telecom
      28573     1773       1105          61   NET Servicos de Comunicao S.A
       7545     1658        301          85   TPG Internet Pty Ltd
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7029      3381        3225      Windstream Communications Inc
      18566      2092        1913      Covad Communications 
       1785      1893        1764      PaeTec Communications, Inc.
       8402      1773        1757      Corbina telecom
      17974      1782        1719      PT TELEKOMUNIKASI INDONESIA
      28573      1773        1712      NET Servicos de Comunicao S.A
      10620      1794        1627      TVCABLE BOGOTA 
       7545      1658        1573      TPG Internet Pty Ltd
       4766      2476        1479      Korea Telecom (KIX)
       6503      1531        1467      AVANTEL, S.A. 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      54439   UNALLOCATED  8.25.174.0/24        17378       DBS International 
      54470   UNALLOCATED  8.30.171.0/24         3356       Level 3 Communicatio
      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, 
      
      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
      14.192.0.0/22        45464     Room 201, TGU Bldg
      14.192.4.0/22        45464     Room 201, TGU Bldg
      14.192.8.0/22        45464     Room 201, TGU Bldg
      14.192.12.0/22       45464     Room 201, TGU Bldg
      14.192.16.0/22       45464     Room 201, TGU Bldg
      14.192.20.0/22       45464     Room 201, TGU Bldg
      14.192.24.0/22       45464     Room 201, TGU Bldg
      14.192.28.0/22       45464     Room 201, TGU Bldg
      23.27.0.0/20         54500     EGIHosting
      23.27.16.0/20        54500     EGIHosting
      
      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      /10:28      /11:81      /12:235     
      /13:459     /14:832     /15:1485    /16:12182   /17:6284    /18:10499   
      /19:20616   /20:28820   /21:29800   /22:40437   /23:37608   /24:211529  
      /25:1182    /26:1430    /27:784     /28:163     /29:59      /30:17      
      /31:0       /32:19      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     3040          3381      Windstream Communications Inc
       6389     2149          3432      bellsouth.net, inc. 
      18566     2041          2092      Covad Communications 
       8402     1750          1773      Corbina telecom
      10620     1689          1794      TVCABLE BOGOTA 
      30036     1401          1461      Mediacom Communications Corp 
       6503     1290          1531      AVANTEL, S.A. 
      11492     1148          1185      Cable One 
       8452     1114          1305      TEDATA
       1785     1067          1893      PaeTec Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:532       2:754       4:14        6:3         8:396      12:1999   
        13:1        14:599      15:12       16:3        17:7        20:8      
        23:161      24:1768     27:1267     31:966      32:58       33:2      
        34:2        36:8        37:319      38:786      40:120      41:3114   
        42:129      44:3        46:1467     47:3        49:350      50:536    
        52:13       54:7        55:9        56:3        57:31       58:958    
        59:494      60:280      61:1203     62:973      63:1997     64:4167   
        65:2260     66:4500     67:2017     68:1152     69:3172     70:908    
        71:467      72:1833     74:2599     75:494      76:313      77:968    
        78:1006     79:498      80:1210     81:899      82:662      83:548    
        84:489      85:1195     86:404      87:908      88:351      89:1635   
        90:297      91:4683     92:520      93:1375     94:1476     95:1137   
        96:378      97:318      98:880      99:37      100:6       101:167    
       103:956     106:74      107:181     108:229     109:1272    110:757    
       111:900     112:448     113:590     114:621     115:796     116:911    
       117:721     118:903     119:1209    120:341     121:695     122:1667   
       123:1104    124:1368    125:1249    128:558     129:190     130:257    
       131:596     132:173     133:21      134:244     135:62      136:207    
       137:176     138:354     139:145     140:494     141:243     142:386    
       143:399     144:512     145:64      146:481     147:272     148:765    
       149:299     150:159     151:176     152:462     153:172     154:7      
       155:428     156:216     157:379     158:175     159:522     160:342    
       161:256     162:347     163:189     164:572     165:388     166:562    
       167:464     168:820     169:127     170:844     171:126     172:4      
       173:1735    174:576     175:429     176:459     177:640     178:1317   
       180:1181    181:73      182:787     183:284     184:451     185:1      
       186:2118    187:1029    188:1184    189:1792    190:5459    192:5990   
       193:5599    194:4615    195:3600    196:1291    197:129     198:3630   
       199:4481    200:5785    201:1902    202:8477    203:8590    204:4339   
       205:2484    206:2746    207:2783    208:4062    209:3581    210:2749   
       211:1476    212:1993    213:1907    214:886     215:109     216:5078   
       217:1521    218:542     219:323     220:1228    221:554     222:322    
       223:331    
      
      End of report