[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, 26 May 2012 05:03:50 +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 26 May, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              411471
          Prefixes after maximum aggregation:                          174357
          Deaggregation factor:                                          2.36
          Unique aggregates announced to Internet:                     200214
      Total ASes present in the Internet Routing Table:                 41122
          Prefixes per ASN:                                             10.01
      Origin-only ASes present in the Internet Routing Table:           33227
      Origin ASes announcing only one prefix:                           15654
      Transit ASes present in the Internet Routing Table:                5503
      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:                                      29
          Max AS path prepend of ASN ( 2115)                               25
      Prefixes from unregistered ASNs in the Routing Table:               385
          Unregistered ASNs in the Routing Table:                         134
      Number of 32-bit ASNs allocated by the RIRs:                       2738
      Number of 32-bit ASNs visible in the Routing Table:                2392
      Prefixes from 32-bit ASNs in the Routing Table:                    6078
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            116
      Number of addresses announced to Internet:                   2553429168
          Equivalent to 152 /8s, 50 /16s and 60 /24s
          Percentage of available address space announced:               68.9
          Percentage of allocated address space announced:               69.0
          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:      175392
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   100470
          Total APNIC prefixes after maximum aggregation:               32508
          APNIC Deaggregation factor:                                    3.09
      Prefixes being announced from the APNIC address blocks:           96903
          Unique aggregates announced from the APNIC address blocks:    40056
      APNIC Region origin ASes present in the Internet Routing Table:    4698
          APNIC Prefixes per ASN:                                       20.63
      APNIC Region origin ASes announcing only one prefix:               1245
      APNIC Region transit ASes present in the Internet Routing Table:    732
      Average APNIC Region AS path length visible:                        4.7
          Max APNIC Region AS path length visible:                         25
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    217
      Number of APNIC addresses announced to Internet:              646675008
          Equivalent to 38 /8s, 139 /16s and 122 /24s
          Percentage of available APNIC address space announced:         82.0
      
      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:                    151368
          Total ARIN prefixes after maximum aggregation:                76847
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           121901
          Unique aggregates announced from the ARIN address blocks:     51066
      ARIN Region origin ASes present in the Internet Routing Table:    15130
          ARIN Prefixes per ASN:                                         8.06
      ARIN Region origin ASes announcing only one prefix:                5742
      ARIN Region transit ASes present in the Internet Routing Table:    1602
      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:               812317120
          Equivalent to 48 /8s, 106 /16s and 249 /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:                    102332
          Total RIPE prefixes after maximum aggregation:                54493
          RIPE Deaggregation factor:                                     1.88
      Prefixes being announced from the RIPE address blocks:            94402
          Unique aggregates announced from the RIPE address blocks:     59288
      RIPE Region origin ASes present in the Internet Routing Table:    16590
          RIPE Prefixes per ASN:                                         5.69
      RIPE Region origin ASes announcing only one prefix:                8060
      RIPE Region transit ASes present in the Internet Routing Table:    2655
      Average RIPE Region AS path length visible:                         5.0
          Max RIPE Region AS path length visible:                          29
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1591
      Number of RIPE addresses announced to Internet:               514347400
          Equivalent to 30 /8s, 168 /16s and 81 /24s
          Percentage of available RIPE address space announced:          82.9
      
      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:                   41693
          Total LACNIC prefixes after maximum aggregation:               8266
          LACNIC Deaggregation factor:                                   5.04
      Prefixes being announced from the LACNIC address blocks:          41798
          Unique aggregates announced from the LACNIC address blocks:   20439
      LACNIC Region origin ASes present in the Internet Routing Table:   1597
          LACNIC Prefixes per ASN:                                      26.17
      LACNIC Region origin ASes announcing only one prefix:               440
      LACNIC Region transit ASes present in the Internet Routing Table:   308
      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:   563
      Number of LACNIC addresses announced to Internet:             101399432
          Equivalent to 6 /8s, 11 /16s and 59 /24s
          Percentage of available LACNIC address space announced:        67.2
      
      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:                   9337
          Total AfriNIC prefixes after maximum aggregation:              2175
          AfriNIC Deaggregation factor:                                  4.29
      Prefixes being announced from the AfriNIC address blocks:          7389
          Unique aggregates announced from the AfriNIC address blocks:   2197
      AfriNIC Region origin ASes present in the Internet Routing Table:   541
          AfriNIC Prefixes per ASN:                                     13.66
      AfriNIC Region origin ASes announcing only one prefix:              167
      AfriNIC Region transit ASes present in the Internet Routing Table:  119
      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:    4
      Number of AfriNIC addresses announced to Internet:             31746304
          Equivalent to 1 /8s, 228 /16s and 105 /24s
          Percentage of available AfriNIC address space announced:       47.3
      
      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     2635      11114        1120   Korea Telecom (KIX)
      17974     1925        530          80   PT TELEKOMUNIKASI INDONESIA
       7545     1671        301          87   TPG Internet Pty Ltd
       4755     1577        385         155   TATA Communications formerly 
       9829     1298       1085          28   BSNL National Internet Backbo
       7552     1173       1062          11   Vietel Corporation
       9583     1156         87         503   Sify Limited
       4808     1105       2050         317   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     3413       3807         193   bellsouth.net, inc. 
       7029     3335        986         159   Windstream Communications Inc
      18566     2093        382         181   Covad Communications 
       1785     1909        681         131   PaeTec Communications, Inc.
      20115     1639       1566         616   Charter Communications 
      22773     1608       2911         121   Cox Communications, Inc.
       4323     1566       1040         379   Time Warner Telecom
      30036     1401        260         760   Mediacom Communications Corp 
       7018     1224      10031         821   AT&T WorldNet Services
       7011     1188        317         681   Citizens Utilities 
      
      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     1718        544          16   Corbina telecom
       2118     1312         97          14   EUnet/RELCOM Autonomous Syste
      34984      697        188         172   BILISIM TELEKOM
      12479      692        678          70   Uni2 Autonomous System
      31148      684         37           9   FreeNet ISP
      20940      669        221         522   Akamai Technologies European 
       6830      655       2215         426   UPC Distribution Services
       8551      577        362          71   Bezeq International
       3320      489       8442         402   Deutsche Telekom AG
       3292      471       2108         407   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     1917        340         202   TVCABLE BOGOTA 
      28573     1891       1171          59   NET Servicos de Comunicao S.A
       6503     1539        418          65   AVANTEL, S.A. 
       8151     1483       3054         337   UniNet S.A. de C.V. 
       7303     1435        901         191   Telecom Argentina Stet-France
      26615      902        760          32   Tim Brasil S.A.
      27947      689         73          95   Telconet S.A
      11172      642         91          73   Servicios Alestra S.A de C.V 
       3816      584        247          89   Empresa Nacional de Telecomun
      22047      582        326          15   VTR PUNTO NET S.A. 
      
      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     1367        957          12   TEDATA
      24863      846        274          35   LINKdotNET AS number
       6713      496        649          18   Itissalat Al-MAGHRIB
      24835      321         80           8   RAYA Telecom - Egypt
       3741      262        905         223   The Internet Solution 
      33776      205         12          21   Starcomms Nigeria Limited
      12258      197         28          62   Vodacom Internet Company 
      16637      171        666          83   MTN Network Solutions
      15706      164         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     3413       3807         193   bellsouth.net, inc. 
       7029     3335        986         159   Windstream Communications Inc
       4766     2635      11114        1120   Korea Telecom (KIX)
      18566     2093        382         181   Covad Communications 
      17974     1925        530          80   PT TELEKOMUNIKASI INDONESIA
      10620     1917        340         202   TVCABLE BOGOTA 
       1785     1909        681         131   PaeTec Communications, Inc.
      28573     1891       1171          59   NET Servicos de Comunicao S.A
       8402     1718        544          16   Corbina telecom
       7545     1671        301          87   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      3335        3176      Windstream Communications Inc
      18566      2093        1912      Covad Communications 
      17974      1925        1845      PT TELEKOMUNIKASI INDONESIA
      28573      1891        1832      NET Servicos de Comunicao S.A
       1785      1909        1778      PaeTec Communications, Inc.
      10620      1917        1715      TVCABLE BOGOTA 
       8402      1718        1702      Corbina telecom
       7545      1671        1584      TPG Internet Pty Ltd
       4766      2635        1515      Korea Telecom (KIX)
      22773      1608        1487      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
      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
      32873   UNALLOCATED  12.46.102.0/24       10912       InterNAP Network Ser
      14764   UNALLOCATED  12.108.237.0/24       7018       AT&T WorldNet Servic
      
      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
      5.44.40.0/21         23456     32-bit ASN transition
      5.44.96.0/22         31342     AS from Clanotopia IT-Service
      5.44.100.0/22        31342     AS from Clanotopia IT-Service
      5.44.104.0/22        29066     velia.net
      5.44.184.0/21        23456     32-bit ASN transition
      5.44.216.0/21        51109     CAMELHOST SIA
      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
      
      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     
      /13:462     /14:832     /15:1502    /16:12299   /17:6299    /18:10615   
      /19:20778   /20:29474   /21:30834   /22:40476   /23:38421   /24:215321  
      /25:1229    /26:1457    /27:821     /28:169     /29:67      /30:17      
      /31:0       /32:22      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2995          3335      Windstream Communications Inc
       6389     2132          3413      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
      10620     1734          1917      TVCABLE BOGOTA 
       8402     1696          1718      Corbina telecom
      30036     1342          1401      Mediacom Communications Corp 
       6503     1293          1539      AVANTEL, S.A. 
       8452     1169          1367      TEDATA
      11492     1149          1186      Cable One 
       7011     1073          1188      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:547       2:744       4:13        5:35        6:3         8:420    
        12:2006     13:1        14:618      15:12       16:3        17:5      
        20:23       23:173      24:1773     27:1319     31:1025     32:57     
        33:2        34:2        36:8        37:623      38:807      40:121    
        41:3203     42:137      44:3        46:1415     47:3        49:452    
        50:548      52:13       54:12       55:9        56:3        57:33     
        58:961      59:496      60:254      61:1217     62:1003     63:2036   
        64:4237     65:2249     66:4480     67:2008     68:1160     69:3196   
        70:933      71:494      72:1824     74:2599     75:493      76:328    
        77:952      78:984      79:492      80:1222     81:936      82:659    
        83:543      84:491      85:1221     86:438      87:907      88:340    
        89:1718     90:289      91:4854     92:550      93:1333     94:1517   
        95:1171     96:368      97:313      98:860      99:38      100:7      
       101:192     103:1105    106:104     107:185     108:307     109:1342   
       110:753     111:923     112:409     113:591     114:628     115:838    
       116:936     117:724     118:906     119:1236    120:357     121:698    
       122:1663    123:1103    124:1379    125:1254    128:554     129:195    
       130:245     131:631     132:287     133:22      134:248     135:59     
       136:214     137:187     138:359     139:186     140:496     141:243    
       142:417     143:555     144:535     145:70      146:506     147:286    
       148:775     149:298     150:191     151:177     152:468     153:172    
       154:12      155:401     156:223     157:381     158:186     159:556    
       160:340     161:265     162:345     163:190     164:606     165:397    
       166:593     167:466     168:862     169:126     170:875     171:131    
       172:4       173:1746    174:578     175:431     176:526     177:797    
       178:1380    180:1211    181:85      182:1005    183:226     184:497    
       185:1       186:2284    187:1098    188:1276    189:1804    190:5536   
       192:5996    193:5562    194:4526    195:3418    196:1208    197:148    
       198:3659    199:4650    200:5857    201:1940    202:8585    203:8607   
       204:4340    205:2550    206:2763    207:2802    208:4059    209:3629   
       210:2766    211:1534    212:2031    213:1934    214:863     215:103    
       216:5096    217:1550    218:553     219:314     220:1240    221:563    
       222:325     223:359    
      
      End of report