[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, 5 May 2012 04:45:36 +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 05 May, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              406993
          Prefixes after maximum aggregation:                          173163
          Deaggregation factor:                                          2.35
          Unique aggregates announced to Internet:                     198390
      Total ASes present in the Internet Routing Table:                 40878
          Prefixes per ASN:                                              9.96
      Origin-only ASes present in the Internet Routing Table:           33126
      Origin ASes announcing only one prefix:                           15619
      Transit ASes present in the Internet Routing Table:                5471
      Transit-only ASes present in the Internet Routing Table:            141
      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:               402
          Unregistered ASNs in the Routing Table:                         131
      Number of 32-bit ASNs allocated by the RIRs:                       2663
      Number of 32-bit ASNs visible in the Routing Table:                2281
      Prefixes from 32-bit ASNs in the Routing Table:                    5694
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            114
      Number of addresses announced to Internet:                   2544196464
          Equivalent to 151 /8s, 165 /16s and 91 /24s
          Percentage of available address space announced:               68.6
          Percentage of allocated address space announced:               68.7
          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:      174082
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    99714
          Total APNIC prefixes after maximum aggregation:               32251
          APNIC Deaggregation factor:                                    3.09
      Prefixes being announced from the APNIC address blocks:           96165
          Unique aggregates announced from the APNIC address blocks:    39795
      APNIC Region origin ASes present in the Internet Routing Table:    4682
          APNIC Prefixes per ASN:                                       20.54
      APNIC Region origin ASes announcing only one prefix:               1239
      APNIC Region transit ASes present in the Internet Routing Table:    728
      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:    197
      Number of APNIC addresses announced to Internet:              644332128
          Equivalent to 38 /8s, 103 /16s and 186 /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:                    150460
          Total ARIN prefixes after maximum aggregation:                76455
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           121468
          Unique aggregates announced from the ARIN address blocks:     50615
      ARIN Region origin ASes present in the Internet Routing Table:    15067
          ARIN Prefixes per ASN:                                         8.06
      ARIN Region origin ASes announcing only one prefix:                5733
      ARIN Region transit ASes present in the Internet Routing Table:    1593
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          24
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      17
      Number of ARIN addresses announced to Internet:               810105536
          Equivalent to 48 /8s, 73 /16s and 58 /24s
          Percentage of available ARIN address space announced:          64.6
      
      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:                    100875
          Total RIPE prefixes after maximum aggregation:                53982
          RIPE Deaggregation factor:                                     1.87
      Prefixes being announced from the RIPE address blocks:            92742
          Unique aggregates announced from the RIPE address blocks:     58472
      RIPE Region origin ASes present in the Internet Routing Table:    16538
          RIPE Prefixes per ASN:                                         5.61
      RIPE Region origin ASes announcing only one prefix:                8041
      RIPE Region transit ASes present in the Internet Routing Table:    2638
      Average RIPE Region AS path length visible:                         5.0
          Max RIPE Region AS path length visible:                          28
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1535
      Number of RIPE addresses announced to Internet:               511625288
          Equivalent to 30 /8s, 126 /16s and 200 /24s
          Percentage of available RIPE address space announced:          82.4
      
      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:                   41119
          Total LACNIC prefixes after maximum aggregation:               8257
          LACNIC Deaggregation factor:                                   4.98
      Prefixes being announced from the LACNIC address blocks:          41000
          Unique aggregates announced from the LACNIC address blocks:   20353
      LACNIC Region origin ASes present in the Internet Routing Table:   1595
          LACNIC Prefixes per ASN:                                      25.71
      LACNIC Region origin ASes announcing only one prefix:               437
      LACNIC Region transit ASes present in the Internet Routing Table:   301
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   527
      Number of LACNIC addresses announced to Internet:             100055944
          Equivalent to 5 /8s, 246 /16s and 187 /24s
          Percentage of available LACNIC address space announced:        66.3
      
      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:                   8955
          Total AfriNIC prefixes after maximum aggregation:              2151
          AfriNIC Deaggregation factor:                                  4.16
      Prefixes being announced from the AfriNIC address blocks:          6977
          Unique aggregates announced from the AfriNIC address blocks:   2233
      AfriNIC Region origin ASes present in the Internet Routing Table:   536
          AfriNIC Prefixes per ASN:                                     13.02
      AfriNIC Region origin ASes announcing only one prefix:              169
      AfriNIC Region transit ASes present in the Internet Routing Table:  126
      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:             31795968
          Equivalent to 1 /8s, 229 /16s and 43 /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     2506      11113        1012   Korea Telecom (KIX)
      17974     1866        510          73   PT TELEKOMUNIKASI INDONESIA
       7545     1678        301          86   TPG Internet Pty Ltd
       4755     1575        385         155   TATA Communications formerly 
       9829     1281       1069          30   BSNL National Internet Backbo
       7552     1178       1062          11   Vietel Corporation
       9583     1149         85         494   Sify Limited
       4808     1110       2050         318   CNCGROUP IP network: China169
      24560     1027        385         167   Bharti Airtel Ltd., Telemedia
       9498      962        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     3373        986         159   Windstream Communications Inc
      18566     2092        382         179   Covad Communications 
       1785     1895        680         130   PaeTec Communications, Inc.
      20115     1640       1566         619   Charter Communications 
       4323     1606       1044         383   Time Warner Telecom
      22773     1591       2911         115   Cox Communications, Inc.
      30036     1423        261         761   Mediacom Communications Corp 
       7018     1247      10038         817   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     1719        544          16   Corbina telecom
      34984      687        188         172   BILISIM TELEKOM
      31148      683         37           9   FreeNet ISP
      12479      672        669          68   Uni2 Autonomous System
       6830      655       2215         426   UPC Distribution Services
      20940      642        208         502   Akamai Technologies European 
       8551      573        360          80   Bezeq International
       3320      534       8442         399   Deutsche Telekom AG
       2578      500         33           7   Demos, Moscow, Russia
       3292      472       2108         406   TDC Tele Danmark
      
      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     1854        332         179   TVCABLE BOGOTA 
      28573     1825       1130          59   NET Servicos de Comunicao S.A
       6503     1525        418          65   AVANTEL, S.A. 
       8151     1476       2999         340   UniNet S.A. de C.V. 
       7303     1371        837         188   Telecom Argentina Stet-France
      26615      904        761          33   Tim Brasil S.A.
      27947      685         74          98   Telconet S.A
      11172      643         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     1309        958          13   TEDATA
      24863      843        274          35   LINKdotNET AS number
       6713      493        649          18   Itissalat Al-MAGHRIB
       3741      263        921         223   The Internet Solution 
      12258      197         28          62   Vodacom Internet Company 
      33776      186         12          21   Starcomms Nigeria Limited
      24835      179         80           8   RAYA Telecom - Egypt
      15706      169         32           6   Sudatel Internet Exchange Aut
      16637      158        666          83   MTN Network Solutions
      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     3373        986         159   Windstream Communications Inc
       4766     2506      11113        1012   Korea Telecom (KIX)
      18566     2092        382         179   Covad Communications 
       1785     1895        680         130   PaeTec Communications, Inc.
      17974     1866        510          73   PT TELEKOMUNIKASI INDONESIA
      10620     1854        332         179   TVCABLE BOGOTA 
      28573     1825       1130          59   NET Servicos de Comunicao S.A
       8402     1719        544          16   Corbina telecom
       7545     1678        301          86   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      3373        3214      Windstream Communications Inc
      18566      2092        1913      Covad Communications 
      17974      1866        1793      PT TELEKOMUNIKASI INDONESIA
      28573      1825        1766      NET Servicos de Comunicao S.A
       1785      1895        1765      PaeTec Communications, Inc.
       8402      1719        1703      Corbina telecom
      10620      1854        1675      TVCABLE BOGOTA 
       7545      1678        1592      TPG Internet Pty Ltd
       4766      2506        1494      Korea Telecom (KIX)
      22773      1591        1476      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
      128.0.24.0/24        12654     RIPE NCC RIS Project
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      5.22.160.0/19        31042     Serbia Broadband Autonomous s
      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
      24.135.0.0/16        31042     Serbia Broadband Autonomous s
      
      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      /11:82      /12:235     
      /13:460     /14:831     /15:1494    /16:12241   /17:6244    /18:10575   
      /19:20631   /20:29133   /21:30148   /22:40724   /23:38145   /24:212321  
      /25:1192    /26:1428    /27:782     /28:165     /29:67      /30:17      
      /31:0       /32:19      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     3030          3373      Windstream Communications Inc
       6389     2143          3425      bellsouth.net, inc. 
      18566     2041          2092      Covad Communications 
      10620     1712          1854      TVCABLE BOGOTA 
       8402     1697          1719      Corbina telecom
      30036     1367          1423      Mediacom Communications Corp 
       6503     1284          1525      AVANTEL, S.A. 
      11492     1149          1186      Cable One 
       8452     1110          1309      TEDATA
       7011     1069          1184      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:537       2:651       4:14        6:3         8:406      12:1994   
        13:1        14:610      15:12       16:3        17:5        20:23     
        23:164      24:1762     27:1292     31:950      32:57       33:2      
        34:2        36:8        37:426      38:803      40:120      41:3083   
        42:135      44:3        46:1419     47:3        49:414      50:548    
        52:13       54:10       55:12       56:3        57:31       58:958    
        59:488      60:254      61:1208     62:986      63:2036     64:4166   
        65:2252     66:4477     67:2037     68:1160     69:3173     70:905    
        71:485      72:1829     74:2612     75:494      76:317      77:941    
        78:981      79:490      80:1213     81:907      82:680      83:546    
        84:483      85:1210     86:417      87:919      88:338      89:1666   
        90:291      91:4779     92:521      93:1489     94:1507     95:892    
        96:367      97:316      98:864      99:37      100:7       101:185    
       103:1037    106:101     107:191     108:276     109:1331    110:759    
       111:919     112:453     113:601     114:630     115:807     116:925    
       117:722     118:906     119:1232    120:354     121:691     122:1656   
       123:1105    124:1383    125:1247    128:560     129:194     130:252    
       131:623     132:179     133:22      134:245     135:62      136:215    
       137:173     138:356     139:183     140:494     141:242     142:409    
       143:429     144:521     145:70      146:500     147:282     148:770    
       149:306     150:157     151:179     152:466     153:172     154:12     
       155:400     156:217     157:376     158:175     159:544     160:338    
       161:260     162:347     163:191     164:581     165:397     166:573    
       167:465     168:822     169:128     170:860     171:127     172:2      
       173:1763    174:578     175:431     176:649     177:682     178:1356   
       180:1213    181:82      182:962     183:292     184:476     185:1      
       186:2249    187:1070    188:1232    189:1780    190:5536    192:6013   
       193:5292    194:3959    195:3408    196:1274    197:133     198:3655   
       199:4583    200:5835    201:1933    202:8549    203:8611    204:4343   
       205:2504    206:2749    207:2796    208:4045    209:3621    210:2732   
       211:1479    212:1993    213:1932    214:858     215:103     216:5112   
       217:1542    218:543     219:319     220:1232    221:557     222:323    
       223:337    
      
      End of report