[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, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 10 Oct 2009 04:27:22 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 10 Oct, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              299909
          Prefixes after maximum aggregation:                          140664
          Deaggregation factor:                                          2.13
          Unique aggregates announced to Internet:                     148721
      Total ASes present in the Internet Routing Table:                 32379
          Prefixes per ASN:                                              9.26
      Origin-only ASes present in the Internet Routing Table:           28138
      Origin ASes announcing only one prefix:                           13738
      Transit ASes present in the Internet Routing Table:                4241
      Transit-only ASes present in the Internet Routing Table:            102
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (12026)                               22
      Prefixes from unregistered ASNs in the Routing Table:               560
          Unregistered ASNs in the Routing Table:                         127
      Number of 32-bit ASNs allocated by the RIRs:                        292
      Prefixes from 32-bit ASNs in the Routing Table:                     213
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            190
      Number of addresses announced to Internet:                   2112370016
          Equivalent to 125 /8s, 232 /16s and 53 /24s
          Percentage of available address space announced:               57.0
          Percentage of allocated address space announced:               64.6
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               79.3
      Total number of prefixes smaller than registry allocations:      144194
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    71884
          Total APNIC prefixes after maximum aggregation:               25318
          APNIC Deaggregation factor:                                    2.84
      Prefixes being announced from the APNIC address blocks:           68393
          Unique aggregates announced from the APNIC address blocks:    30300
      APNIC Region origin ASes present in the Internet Routing Table:    3816
          APNIC Prefixes per ASN:                                       17.92
      APNIC Region origin ASes announcing only one prefix:               1047
      APNIC Region transit ASes present in the Internet Routing Table:    587
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              461684000
          Equivalent to 27 /8s, 132 /16s and 189 /24s
          Percentage of available APNIC address space announced:         78.6
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks    43/8,  58/8,  59/8,  60/8,  61/8, 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, 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,
                            
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    126884
          Total ARIN prefixes after maximum aggregation:                66823
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:           101398
          Unique aggregates announced from the ARIN address blocks:     38471
      ARIN Region origin ASes present in the Internet Routing Table:    13278
          ARIN Prefixes per ASN:                                         7.64
      ARIN Region origin ASes announcing only one prefix:                5135
      ARIN Region transit ASes present in the Internet Routing Table:    1301
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:               706797568
          Equivalent to 42 /8s, 32 /16s and 224 /24s
          Percentage of available ARIN address space announced:          62.0
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  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,  52/8,  54/8,  55/8,
                              56/8,  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, 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:                     68963
          Total RIPE prefixes after maximum aggregation:                40347
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            62540
          Unique aggregates announced from the RIPE address blocks:     41940
      RIPE Region origin ASes present in the Internet Routing Table:    13579
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                7080
      RIPE Region transit ASes present in the Internet Routing Table:    2043
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               401178048
          Equivalent to 23 /8s, 233 /16s and 125 /24s
          Percentage of available RIPE address space announced:          74.7
      
      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, 196608-197631
      RIPE Address Blocks      2/8,  25/8,  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, 178/8, 193/8, 194/8,
                             195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   25802
          Total LACNIC prefixes after maximum aggregation:               6344
          LACNIC Deaggregation factor:                                   4.07
      Prefixes being announced from the LACNIC address blocks:          24098
          Unique aggregates announced from the LACNIC address blocks:   13510
      LACNIC Region origin ASes present in the Internet Routing Table:   1190
          LACNIC Prefixes per ASN:                                      20.25
      LACNIC Region origin ASes announcing only one prefix:               380
      LACNIC Region transit ASes present in the Internet Routing Table:   192
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              67013376
          Equivalent to 3 /8s, 254 /16s and 139 /24s
          Percentage of available LACNIC address space announced:        66.6
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   5925
          Total AfriNIC prefixes after maximum aggregation:              1561
          AfriNIC Deaggregation factor:                                  3.80
      Prefixes being announced from the AfriNIC address blocks:          4303
          Unique aggregates announced from the AfriNIC address blocks:   1546
      AfriNIC Region origin ASes present in the Internet Routing Table:   325
          AfriNIC Prefixes per ASN:                                     13.24
      AfriNIC Region origin ASes announcing only one prefix:               96
      AfriNIC Region transit ASes present in the Internet Routing Table:   67
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             12557568
          Equivalent to 0 /8s, 191 /16s and 157 /24s
          Percentage of available AfriNIC address space announced:       37.4
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1766       6996         458   Korea Telecom (KIX)
      17488     1460        137         144   Hathway IP Over Cable Interne
       4755     1261        292         145   TATA Communications formerly 
       9583     1101         87         530   Sify Limited
       4134     1010      18168         391   CHINANET-BACKBONE
      18101      979        204          33   Reliance Infocom Ltd Internet
       7545      893        199         102   TPG Internet Pty Ltd
       9829      816        629          21   BSNL National Internet Backbo
      17974      790        248          93   PT TELEKOMUNIKASI INDONESIA
      24560      775        285         164   Bharti Airtel Ltd., Telemedia
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4161       3626         313   bellsouth.net, inc. 
       4323     3697       1037         385   Time Warner Telecom
       1785     1762        714         138   PaeTec Communications, Inc.
       7018     1543       5860        1057   AT&T WorldNet Services
      20115     1484       1480         673   Charter Communications 
       6478     1405        280         340   AT&T Worldnet Services 
       2386     1308        641         947   AT&T Data Communications Serv
       3356     1221      10963         433   Level 3 Communications, LLC 
      11492     1133        208          12   Cable One 
      22773     1111       2604          67   Cox Communications, Inc.
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      30890      509         94         207   Evolva Telecom
       3292      450       1908         394   TDC Tele Danmark
      35805      445         40           5   United Telecom of Georgia
      12479      427        578           6   Uni2 Autonomous System
        702      422       1822         340   UUNET - Commercial IP service
       9198      390        138          12   Kazakhtelecom Data Network Ad
       8866      356        110          21   Bulgarian Telecommunication C
       3320      352       7067         303   Deutsche Telekom AG
       3301      351       1412         308   TeliaNet Sweden
       3215      349       3144         111   France Telecom Transpac
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1482       2899         243   UniNet S.A. de C.V. 
      10620     1020        227          95   TVCABLE BOGOTA 
      28573      762        651          87   NET Servicos de Comunicao S.A
       7303      656        346          97   Telecom Argentina Stet-France
      22047      545        302          14   VTR PUNTO NET S.A. 
      11830      475        310          61   Instituto Costarricense de El
      11172      440         99          70   Servicios Alestra S.A de C.V 
      14117      436         29          11   Telefonica del Sur S.A. 
       7738      428        858          29   Telecomunicacoes da Bahia S.A
       6471      421         96          31   ENTEL CHILE S.A. 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452      984        188           7   TEDATA
      24863      926         95          68   LINKdotNET AS number
       3741      278        857         239   The Internet Solution 
       2018      192        187         118   Tertiary Education Network 
       6713      176        167          12   Itissalat Al-MAGHRIB
      29571      140         14           6   Ci Telecom Autonomous system 
      33776      125          7          11   Starcomms Nigeria Limited
      24835      123         46           9   RAYA Telecom - Egypt
       5536      122          8          13   Internet Egypt Network
       5713      116        508          67   Telkom SA Ltd 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4161       3626         313   bellsouth.net, inc. 
       4323     3697       1037         385   Time Warner Telecom
       4766     1766       6996         458   Korea Telecom (KIX)
       1785     1762        714         138   PaeTec Communications, Inc.
       7018     1543       5860        1057   AT&T WorldNet Services
      20115     1484       1480         673   Charter Communications 
       8151     1482       2899         243   UniNet S.A. de C.V. 
      17488     1460        137         144   Hathway IP Over Cable Interne
       6478     1405        280         340   AT&T Worldnet Services 
       2386     1308        641         947   AT&T Data Communications Serv
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      3697        3312      Time Warner Telecom
       1785      1762        1624      PaeTec Communications, Inc.
      17488      1460        1316      Hathway IP Over Cable Interne
       4766      1766        1308      Korea Telecom (KIX)
       8151      1482        1239      UniNet S.A. de C.V. 
      11492      1133        1121      Cable One 
       4755      1261        1116      TATA Communications formerly 
       6478      1405        1065      AT&T Worldnet Services 
      18566      1062        1052      Covad Communications 
      22773      1111        1044      Cox Communications, Inc.
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.159.0/24        7018       AT&T WorldNet Servic
      32326   UNALLOCATED   12.40.49.0/24         7018       AT&T WorldNet Servic
      25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      2.0.0.0/16           12654     RIPE NCC RIS Project
      2.1.0.0/21           12654     RIPE NCC RIS Project
      2.1.24.0/24          12654     RIPE NCC RIS Project
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.189.0/24      26452     Local Communications Networks
      43.245.0.0/16         7502     Internetwork Kyoto
      46.0.0.0/16          12654     RIPE NCC RIS Project
      46.1.0.0/21          12654     RIPE NCC RIS Project
      46.1.24.0/24         12654     RIPE NCC RIS Project
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      
      Complete listing at http://thyme.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        /8:20       /9:10      /10:24      /11:63      /12:176     
      /13:354     /14:628     /15:1202    /16:10682   /17:4892    /18:8410    
      /19:17500   /20:21007   /21:21008   /22:27238   /23:26831   /24:157108  
      /25:932     /26:1091    /27:554     /28:154     /29:8       /30:9       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2694          4161      bellsouth.net, inc. 
       4323     2353          3697      Time Warner Telecom
       4766     1438          1766      Korea Telecom (KIX)
       1785     1228          1762      PaeTec Communications, Inc.
      17488     1220          1460      Hathway IP Over Cable Interne
      11492     1058          1133      Cable One 
      18566     1043          1062      Covad Communications 
       9583      953          1101      Sify Limited
      10620      926          1020      TVCABLE BOGOTA 
       8452      912           984      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:14        8:226      12:2147     13:7        15:22     
        16:3        17:5        20:36       24:1168     32:52       34:2      
        38:601      40:97       41:1735     43:1        44:2        45:1      
        46:1        47:21       52:6        55:2        56:2        57:25     
        58:606      59:642      60:443      61:1078     62:1011     63:2012   
        64:3638     65:2382     66:4094     67:1795     68:985      69:2777   
        70:573      71:154      72:1668     73:2        74:1934     75:182    
        76:350      77:871      78:583      79:390      80:910      81:814    
        82:504      83:431      84:527      85:1003     86:381      87:688    
        88:386      89:1498     90:62       91:2590     92:412      93:1217   
        94:1258     95:1132     96:171      97:271      98:326      99:30     
       109:51      110:222     111:451     112:143     113:152     114:265    
       115:428     116:1097    117:552     118:350     119:778     120:135    
       121:784     122:1287    123:788     124:1044    125:1360    128:220    
       129:211     130:131     131:415     132:77      133:10      134:182    
       135:42      136:224     137:168     138:173     139:84      140:440    
       141:123     142:381     143:336     144:364     145:48      146:393    
       147:168     148:550     149:204     150:151     151:176     152:215    
       153:156     154:2       155:271     156:166     157:309     158:100    
       159:356     160:292     161:168     162:279     163:170     164:279    
       165:517     166:472     167:390     168:799     169:168     170:469    
       171:43      172:2       173:414     174:364     175:1       178:1      
       180:57      182:1       186:143     187:154     188:1134    189:603    
       190:3101    192:5756    193:4267    194:3295    195:2753    196:1159   
       198:3550    199:3346    200:5205    201:1351    202:7868    203:8227   
       204:3926    205:2190    206:2416    207:2976    208:3958    209:3491   
       210:2561    211:1127    212:1592    213:1620    214:189     215:40     
       216:4429    217:1336    218:411     219:457     220:1135    221:449    
       222:316    
      
      End of report