[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, 12 May 2012 04:44:38 +1000 (EST)
  • Delivered-to: apops at mailman dot apnic dot net
  • List-archive: <http://mailman.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • Reply-to: pfsinoz@gmail.com
    • 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 12 May, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              407563
          Prefixes after maximum aggregation:                          173478
          Deaggregation factor:                                          2.35
          Unique aggregates announced to Internet:                     199037
      Total ASes present in the Internet Routing Table:                 40961
          Prefixes per ASN:                                              9.95
      Origin-only ASes present in the Internet Routing Table:           33155
      Origin ASes announcing only one prefix:                           15644
      Transit ASes present in the Internet Routing Table:                5484
      Transit-only ASes present in the Internet Routing Table:            137
      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:               374
          Unregistered ASNs in the Routing Table:                         130
      Number of 32-bit ASNs allocated by the RIRs:                       2687
      Number of 32-bit ASNs visible in the Routing Table:                2322
      Prefixes from 32-bit ASNs in the Routing Table:                    5860
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            108
      Number of addresses announced to Internet:                   2547853104
          Equivalent to 151 /8s, 221 /16s and 39 /24s
          Percentage of available address space announced:               68.7
          Percentage of allocated address space announced:               68.8
          Percentage of available address space allocated:               99.9
          Percentage of address space in use by end-sites:               92.6
      Total number of prefixes smaller than registry allocations:      173961
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   100290
          Total APNIC prefixes after maximum aggregation:               32360
          APNIC Deaggregation factor:                                    3.10
      Prefixes being announced from the APNIC address blocks:           96740
          Unique aggregates announced from the APNIC address blocks:    39871
      APNIC Region origin ASes present in the Internet Routing Table:    4683
          APNIC Prefixes per ASN:                                       20.66
      APNIC Region origin ASes announcing only one prefix:               1234
      APNIC Region transit ASes present in the Internet Routing Table:    729
      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:    203
      Number of APNIC addresses announced to Internet:              644595328
          Equivalent to 38 /8s, 107 /16s and 190 /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:                    150584
          Total ARIN prefixes after maximum aggregation:                76455
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           121585
          Unique aggregates announced from the ARIN address blocks:     50780
      ARIN Region origin ASes present in the Internet Routing Table:    15088
          ARIN Prefixes per ASN:                                         8.06
      ARIN Region origin ASes announcing only one prefix:                5739
      ARIN Region transit ASes present in the Internet Routing Table:    1596
      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:               812031680
          Equivalent to 48 /8s, 102 /16s and 158 /24s
          Percentage of available ARIN address space announced:          64.8
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                              29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                              40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                              53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                              65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                              72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                              98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
                             174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
                             208/8, 209/8, 214/8, 215/8, 216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                    100227
          Total RIPE prefixes after maximum aggregation:                54165
          RIPE Deaggregation factor:                                     1.85
      Prefixes being announced from the RIPE address blocks:            92408
          Unique aggregates announced from the RIPE address blocks:     58733
      RIPE Region origin ASes present in the Internet Routing Table:    16564
          RIPE Prefixes per ASN:                                         5.58
      RIPE Region origin ASes announcing only one prefix:                8064
      RIPE Region transit ASes present in the Internet Routing Table:    2649
      Average RIPE Region AS path length visible:                         5.0
          Max RIPE Region AS path length visible:                          30
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1551
      Number of RIPE addresses announced to Internet:               512885448
          Equivalent to 30 /8s, 146 /16s and 2 /24s
          Percentage of available RIPE address space announced:          82.6
      
      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:                   41419
          Total LACNIC prefixes after maximum aggregation:               8278
          LACNIC Deaggregation factor:                                   5.00
      Prefixes being announced from the LACNIC address blocks:          41394
          Unique aggregates announced from the LACNIC address blocks:   20500
      LACNIC Region origin ASes present in the Internet Routing Table:   1598
          LACNIC Prefixes per ASN:                                      25.90
      LACNIC Region origin ASes announcing only one prefix:               441
      LACNIC Region transit ASes present in the Internet Routing Table:   300
      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:   546
      Number of LACNIC addresses announced to Internet:             100238984
          Equivalent to 5 /8s, 249 /16s and 134 /24s
          Percentage of available LACNIC address space announced:        66.4
      
      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:                   8993
          Total AfriNIC prefixes after maximum aggregation:              2154
          AfriNIC Deaggregation factor:                                  4.18
      Prefixes being announced from the AfriNIC address blocks:          7041
          Unique aggregates announced from the AfriNIC address blocks:   2219
      AfriNIC Region origin ASes present in the Internet Routing Table:   532
          AfriNIC Prefixes per ASN:                                     13.23
      AfriNIC Region origin ASes announcing only one prefix:              166
      AfriNIC Region transit ASes present in the Internet Routing Table:  122
      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:             31782656
          Equivalent to 1 /8s, 228 /16s and 247 /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     2540      11114        1040   Korea Telecom (KIX)
      17974     1869        510          73   PT TELEKOMUNIKASI INDONESIA
       7545     1678        301          85   TPG Internet Pty Ltd
       4755     1593        388         162   TATA Communications formerly 
       9829     1283       1069          30   BSNL National Internet Backbo
       7552     1164       1062          11   Vietel Corporation
       9583     1156         86         500   Sify Limited
       4808     1104       2049         315   CNCGROUP IP network: China169
      24560     1027        385         167   Bharti Airtel Ltd., Telemedia
       9498      965        291          64   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     3415       3807         193   bellsouth.net, inc. 
       7029     3376        986         159   Windstream Communications Inc
      18566     2093        382         179   Covad Communications 
       1785     1903        681         131   PaeTec Communications, Inc.
      20115     1638       1566         620   Charter Communications 
       4323     1606       1044         383   Time Warner Telecom
      22773     1597       2911         115   Cox Communications, Inc.
      30036     1407        262         752   Mediacom Communications Corp 
       7018     1251      10038         820   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     1728        544          16   Corbina telecom
      34984      693        188         172   BILISIM TELEKOM
      31148      685         37           9   FreeNet ISP
      12479      679        671          69   Uni2 Autonomous System
      20940      657        216         511   Akamai Technologies European 
       6830      656       2215         426   UPC Distribution Services
       8551      573        360          80   Bezeq International
       3320      485       8442         401   Deutsche Telekom AG
       3292      473       2108         407   TDC Tele Danmark
       8866      436        134          27   Bulgarian Telecommunication C
      
      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     1869        334         175   TVCABLE BOGOTA 
      28573     1849       1137          58   NET Servicos de Comunicao S.A
       6503     1524        418          66   AVANTEL, S.A. 
       8151     1480       3003         342   UniNet S.A. de C.V. 
       7303     1371        837         188   Telecom Argentina Stet-France
      26615      903        761          33   Tim Brasil S.A.
      27947      693         74          98   Telconet S.A
      11172      642         91          73   Servicios Alestra S.A de C.V 
      22047      582        326          15   VTR PUNTO NET S.A. 
       3816      576        243          98   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     1307        958          13   TEDATA
      24863      845        274          35   LINKdotNET AS number
       6713      496        649          18   Itissalat Al-MAGHRIB
       3741      263        921         223   The Internet Solution 
      12258      197         28          62   Vodacom Internet Company 
      33776      197         12          21   Starcomms Nigeria Limited
      24835      179         80           8   RAYA Telecom - Egypt
      16637      170        666          83   MTN Network Solutions
      15706      169         32           6   Sudatel Internet Exchange Aut
      29571      158         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     3415       3807         193   bellsouth.net, inc. 
       7029     3376        986         159   Windstream Communications Inc
       4766     2540      11114        1040   Korea Telecom (KIX)
      18566     2093        382         179   Covad Communications 
       1785     1903        681         131   PaeTec Communications, Inc.
      10620     1869        334         175   TVCABLE BOGOTA 
      17974     1869        510          73   PT TELEKOMUNIKASI INDONESIA
      28573     1849       1137          58   NET Servicos de Comunicao S.A
       8402     1728        544          16   Corbina telecom
       7545     1678        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      3376        3217      Windstream Communications Inc
      18566      2093        1914      Covad Communications 
      17974      1869        1796      PT TELEKOMUNIKASI INDONESIA
      28573      1849        1791      NET Servicos de Comunicao S.A
       1785      1903        1772      PaeTec Communications, Inc.
       8402      1728        1712      Corbina telecom
      10620      1869        1694      TVCABLE BOGOTA 
       7545      1678        1593      TPG Internet Pty Ltd
       4766      2540        1500      Korea Telecom (KIX)
      22773      1597        1482      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
      5.32.168.0/21        15836     ARAX Autonomous System
      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
      27.112.114.0/24      23884     Proimage Engineering and Comm
      
      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      /10:29      /11:81      /12:235     
      /13:460     /14:831     /15:1496    /16:12241   /17:6253    /18:10573   
      /19:20706   /20:29319   /21:30533   /22:39962   /23:38226   /24:212903  
      /25:1197    /26:1433    /27:787     /28:164     /29:66      /30:17      
      /31:0       /32:20      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     3033          3376      Windstream Communications Inc
       6389     2134          3415      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
      10620     1715          1869      TVCABLE BOGOTA 
       8402     1706          1728      Corbina telecom
      30036     1348          1407      Mediacom Communications Corp 
       6503     1282          1524      AVANTEL, S.A. 
      11492     1149          1186      Cable One 
       8452     1108          1307      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)
      ----------------------------------------------
      
         1:543       2:704       4:14        5:2         6:3         8:411    
        12:2001     13:1        14:610      15:12       16:3        17:5      
        20:23       23:166      24:1769     27:1298     31:953      32:57     
        33:2        34:2        36:8        37:440      38:808      40:120    
        41:3115     42:136      44:3        46:1417     47:3        49:402    
        50:546      52:13       54:10       55:13       56:3        57:32     
        58:961      59:509      60:255      61:1280     62:986      63:2056   
        64:4181     65:2241     66:4468     67:2019     68:1166     69:3209   
        70:905      71:484      72:1818     74:2592     75:492      76:319    
        77:948      78:985      79:489      80:1215     81:909      82:667    
        83:554      84:487      85:1224     86:438      87:918      88:334    
        89:1694     90:292      91:4810     92:539      93:1469     94:1519   
        95:903      96:369      97:316      98:873      99:38      100:7      
       101:186     103:1059    106:103     107:187     108:284     109:1337   
       110:769     111:915     112:409     113:605     114:631     115:898    
       116:938     117:715     118:911     119:1236    120:352     121:805    
       122:1668    123:1102    124:1382    125:1246    128:561     129:197    
       130:252     131:629     132:179     133:22      134:247     135:62     
       136:214     137:178     138:334     139:183     140:493     141:243    
       142:413     143:432     144:526     145:70      146:497     147:282    
       148:772     149:306     150:157     151:176     152:466     153:172    
       154:12      155:400     156:219     157:381     158:179     159:545    
       160:338     161:260     162:347     163:191     164:588     165:386    
       166:572     167:467     168:859     169:126     170:770     171:131    
       172:2       173:1738    174:583     175:432     176:696     177:735    
       178:1361    180:1208    181:82      182:974     183:290     184:486    
       185:1       186:2282    187:1074    188:1264    189:1791    190:5572   
       192:6002    193:5288    194:3807    195:3217    196:1283    197:135    
       198:3640    199:4605    200:5855    201:1936    202:8565    203:8595   
       204:4327    205:2526    206:2763    207:2798    208:4078    209:3616   
       210:2752    211:1489    212:2026    213:1935    214:851     215:103    
       216:5104    217:1546    218:544     219:338     220:1231    221:558    
       222:322     223:339    
      
      End of report