[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, 28 Apr 2012 04:44:27 +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 28 Apr, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              407208
          Prefixes after maximum aggregation:                          172996
          Deaggregation factor:                                          2.35
          Unique aggregates announced to Internet:                     198106
      Total ASes present in the Internet Routing Table:                 40826
          Prefixes per ASN:                                              9.97
      Origin-only ASes present in the Internet Routing Table:           33106
      Origin ASes announcing only one prefix:                           15607
      Transit ASes present in the Internet Routing Table:                5451
      Transit-only ASes present in the Internet Routing Table:            135
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      64
          Max AS path prepend of ASN ( 9902)                               56
      Prefixes from unregistered ASNs in the Routing Table:               394
          Unregistered ASNs in the Routing Table:                         128
      Number of 32-bit ASNs allocated by the RIRs:                       2635
      Number of 32-bit ASNs visible in the Routing Table:                2269
      Prefixes from 32-bit ASNs in the Routing Table:                    5659
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            110
      Number of addresses announced to Internet:                   2540346576
          Equivalent to 151 /8s, 106 /16s and 156 /24s
          Percentage of available address space announced:               68.5
          Percentage of allocated address space announced:               68.6
          Percentage of available address space allocated:               99.9
          Percentage of address space in use by end-sites:               92.5
      Total number of prefixes smaller than registry allocations:      173699
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    99521
          Total APNIC prefixes after maximum aggregation:               32245
          APNIC Deaggregation factor:                                    3.09
      Prefixes being announced from the APNIC address blocks:           96009
          Unique aggregates announced from the APNIC address blocks:    39862
      APNIC Region origin ASes present in the Internet Routing Table:    4684
          APNIC Prefixes per ASN:                                       20.50
      APNIC Region origin ASes announcing only one prefix:               1238
      APNIC Region transit ASes present in the Internet Routing Table:    734
      Average APNIC Region AS path length visible:                        4.7
          Max APNIC Region AS path length visible:                         20
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    190
      Number of APNIC addresses announced to Internet:              644227680
          Equivalent to 38 /8s, 102 /16s and 34 /24s
          Percentage of available APNIC address space announced:         81.7
      
      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:                    150278
          Total ARIN prefixes after maximum aggregation:                76417
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           121331
          Unique aggregates announced from the ARIN address blocks:     50436
      ARIN Region origin ASes present in the Internet Routing Table:    15053
          ARIN Prefixes per ASN:                                         8.06
      ARIN Region origin ASes announcing only one prefix:                5724
      ARIN Region transit ASes present in the Internet Routing Table:    1581
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          30
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      17
      Number of ARIN addresses announced to Internet:               807268032
          Equivalent to 48 /8s, 29 /16s and 238 /24s
          Percentage of available ARIN address space announced:          64.4
      
      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:                    101788
          Total RIPE prefixes after maximum aggregation:                53879
          RIPE Deaggregation factor:                                     1.89
      Prefixes being announced from the RIPE address blocks:            93665
          Unique aggregates announced from the RIPE address blocks:     58385
      RIPE Region origin ASes present in the Internet Routing Table:    16520
          RIPE Prefixes per ASN:                                         5.67
      RIPE Region origin ASes announcing only one prefix:                8040
      RIPE Region transit ASes present in the Internet Routing Table:    2627
      Average RIPE Region AS path length visible:                         4.9
          Max RIPE Region AS path length visible:                          28
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1528
      Number of RIPE addresses announced to Internet:               510941832
          Equivalent to 30 /8s, 116 /16s and 90 /24s
          Percentage of available RIPE address space announced:          82.3
      
      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:                   40893
          Total LACNIC prefixes after maximum aggregation:               8250
          LACNIC Deaggregation factor:                                   4.96
      Prefixes being announced from the LACNIC address blocks:          40763
          Unique aggregates announced from the LACNIC address blocks:   20273
      LACNIC Region origin ASes present in the Internet Routing Table:   1592
          LACNIC Prefixes per ASN:                                      25.60
      LACNIC Region origin ASes announcing only one prefix:               439
      LACNIC Region transit ASes present in the Internet Routing Table:   300
      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:   529
      Number of LACNIC addresses announced to Internet:              99745160
          Equivalent to 5 /8s, 241 /16s and 253 /24s
          Percentage of available LACNIC address space announced:        66.1
      
      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:                   8894
          Total AfriNIC prefixes after maximum aggregation:              2137
          AfriNIC Deaggregation factor:                                  4.16
      Prefixes being announced from the AfriNIC address blocks:          6962
          Unique aggregates announced from the AfriNIC address blocks:   2224
      AfriNIC Region origin ASes present in the Internet Routing Table:   534
          AfriNIC Prefixes per ASN:                                     13.04
      AfriNIC Region origin ASes announcing only one prefix:              166
      AfriNIC Region transit ASes present in the Internet Routing Table:  120
      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:    5
      Number of AfriNIC addresses announced to Internet:             31785728
          Equivalent to 1 /8s, 229 /16s and 3 /24s
          Percentage of available AfriNIC address space announced:       47.4
      
      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     2485      11112        1010   Korea Telecom (KIX)
      17974     1822        509          71   PT TELEKOMUNIKASI INDONESIA
       7545     1679        301          88   TPG Internet Pty Ltd
       4755     1584        386         158   TATA Communications formerly 
       9829     1261       1069          30   BSNL National Internet Backbo
       7552     1169       1062          11   Vietel Corporation
       9583     1145         84         490   Sify Limited
       4808     1111       2050         319   CNCGROUP IP network: China169
      24560     1027        385         167   Bharti Airtel Ltd., Telemedia
       9498      954        291          65   BHARTI Airtel Ltd.
      
      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     3425       3807         194   bellsouth.net, inc. 
       7029     3368        986         158   Windstream Communications Inc
      18566     2091        382         179   Covad Communications 
       1785     1906        680         131   PaeTec Communications, Inc.
      20115     1639       1566         619   Charter Communications 
       4323     1599       1044         383   Time Warner Telecom
      22773     1580       2910         114   Cox Communications, Inc.
      30036     1420        261         768   Mediacom Communications Corp 
       7018     1249       9774         818   AT&T WorldNet Services
      11492     1186        216         364   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     1679        544          16   Corbina telecom
       2118     1304         97          14   EUnet/RELCOM Autonomous Syste
      31148      681         37           9   FreeNet ISP
      34984      681        188         173   BILISIM TELEKOM
       6830      655       2215         426   UPC Distribution Services
      12479      650        668          66   Uni2 Autonomous System
      20940      636        206         498   Akamai Technologies European 
       8551      571        360          80   Bezeq International
       3320      531       8441         397   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     1832        329         171   TVCABLE BOGOTA 
      28573     1804       1114          62   NET Servicos de Comunicao S.A
       6503     1533        418          65   AVANTEL, S.A. 
       8151     1486       3000         345   UniNet S.A. de C.V. 
       7303     1362        829         187   Telecom Argentina Stet-France
      26615      903        761          33   Tim Brasil S.A.
      27947      685         74          98   Telconet S.A
      11172      639         91          73   Servicios Alestra S.A de C.V 
      22047      582        326          15   VTR PUNTO NET S.A. 
       3816      572        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      840        274          35   LINKdotNET AS number
       6713      493        649          18   Itissalat Al-MAGHRIB
       3741      265        921         223   The Internet Solution 
      12258      197         28          62   Vodacom Internet Company 
      33776      195         12          24   Starcomms Nigeria Limited
      24835      179         80           8   RAYA Telecom - Egypt
      16637      174        666          83   MTN Network Solutions
      15706      169         32           6   Sudatel Internet Exchange Aut
      29571      157         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     3425       3807         194   bellsouth.net, inc. 
       7029     3368        986         158   Windstream Communications Inc
       4766     2485      11112        1010   Korea Telecom (KIX)
      18566     2091        382         179   Covad Communications 
       1785     1906        680         131   PaeTec Communications, Inc.
      10620     1832        329         171   TVCABLE BOGOTA 
      17974     1822        509          71   PT TELEKOMUNIKASI INDONESIA
      28573     1804       1114          62   NET Servicos de Comunicao S.A
       7545     1679        301          88   TPG Internet Pty Ltd
       8402     1679        544          16   Corbina telecom
      
      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      3368        3210      Windstream Communications Inc
      18566      2091        1912      Covad Communications 
       1785      1906        1775      PaeTec Communications, Inc.
      17974      1822        1751      PT TELEKOMUNIKASI INDONESIA
      28573      1804        1742      NET Servicos de Comunicao S.A
       8402      1679        1663      Corbina telecom
      10620      1832        1661      TVCABLE BOGOTA 
       7545      1679        1591      TPG Internet Pty Ltd
       4766      2485        1475      Korea Telecom (KIX)
       6503      1533        1468      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
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
      25639   UNALLOCATED  12.41.169.0/24        7018       AT&T WorldNet Servic
      13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic
      23502   UNALLOCATED  12.44.44.0/24         7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.103.0/24        7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.110.0/24         701       UUNET Technologies, 
      16476   UNALLOCATED  12.46.27.0/24         7018       AT&T WorldNet Servic
      32873   UNALLOCATED  12.46.100.0/23       10912       InterNAP Network Ser
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      128.0.0.0/21         12654     RIPE NCC RIS Project
      128.0.24.0/24        12654     RIPE NCC RIS Project
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      5.3.0.0/16           41733     JSC "Z-Telecom"
      5.8.184.0/21         29286     Skylogic Italia Autonomous Sy
      5.16.0.0/14          41733     JSC "Z-Telecom"
      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
      
      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     
      /13:460     /14:832     /15:1489    /16:12244   /17:6243    /18:10539   
      /19:20613   /20:29018   /21:30083   /22:40581   /23:38021   /24:213032  
      /25:1196    /26:1429    /27:784     /28:166     /29:67      /30:17      
      /31:0       /32:19      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     3026          3368      Windstream Communications Inc
       6389     2143          3425      bellsouth.net, inc. 
      18566     2040          2091      Covad Communications 
      10620     1709          1832      TVCABLE BOGOTA 
       8402     1657          1679      Corbina telecom
      30036     1364          1420      Mediacom Communications Corp 
       6503     1291          1533      AVANTEL, S.A. 
      11492     1149          1186      Cable One 
       8452     1105          1305      TEDATA
       1785     1072          1906      PaeTec Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:539       2:550       4:14        6:3         8:406      12:1999   
        13:1        14:611      15:12       16:3        17:5        20:23     
        23:167      24:1761     27:1273     31:952      32:57       33:2      
        34:2        36:8        37:421      38:800      40:120      41:3112   
        42:135      44:3        46:1481     47:3        49:404      50:538    
        52:13       54:8        55:11       56:3        57:31       58:965    
        59:520      60:254      61:1277     62:976      63:1990     64:4173   
        65:2255     66:4486     67:2021     68:1166     69:3189     70:903    
        71:466      72:1825     74:2602     75:494      76:318      77:941    
        78:1012     79:487      80:1209     81:902      82:673      83:550    
        84:482      85:1210     86:412      87:929      88:340      89:1630   
        90:291      91:4769     92:520      93:1507     94:1510     95:894    
        96:358      97:315      98:895      99:37      100:7       101:181    
       103:1030    106:102     107:191     108:268     109:1306    110:746    
       111:923     112:454     113:600     114:642     115:807     116:929    
       117:719     118:909     119:1230    120:354     121:692     122:1676   
       123:1104    124:1364    125:1243    128:562     129:196     130:255    
       131:626     132:180     133:22      134:242     135:62      136:214    
       137:177     138:355     139:163     140:492     141:242     142:407    
       143:392     144:523     145:74      146:495     147:279     148:768    
       149:306     150:159     151:181     152:464     153:172     154:12     
       155:399     156:215     157:375     158:179     159:539     160:338    
       161:262     162:348     163:191     164:580     165:399     166:573    
       167:468     168:820     169:128     170:859     171:127     172:2      
       173:1756    174:570     175:437     176:686     177:654     178:1349   
       180:1192    181:79      182:826     183:289     184:462     185:1      
       186:2247    187:1056    188:1239    189:1791    190:5513    192:6010   
       193:5539    194:4658    195:3600    196:1271    197:129     198:3660   
       199:4543    200:5806    201:1934    202:8518    203:8599    204:4327   
       205:2498    206:2746    207:2796    208:4057    209:3621    210:2736   
       211:1478    212:1983    213:1927    214:848     215:104     216:5131   
       217:1533    218:545     219:318     220:1230    221:558     222:323    
       223:336    
      
      End of report