[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, 11 Apr 2009 04:12:53 +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 11 Apr, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              284772
          Prefixes after maximum aggregation:                          134860
          Deaggregation factor:                                          2.11
          Unique aggregates announced to Internet:                     140279
      Total ASes present in the Internet Routing Table:                 30988
          Prefixes per ASN:                                              9.19
      Origin-only ASes present in the Internet Routing Table:           26974
      Origin ASes announcing only one prefix:                           13104
      Transit ASes present in the Internet Routing Table:                4014
      Transit-only ASes present in the Internet Routing Table:             96
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      28
          Max AS path prepend of ASN (12445)                               18
      Prefixes from unregistered ASNs in the Routing Table:               466
          Unregistered ASNs in the Routing Table:                         154
      Number of 32-bit ASNs allocated by the RIRs:                        141
      Prefixes from 32-bit ASNs in the Routing Table:                      21
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            216
      Number of addresses announced to Internet:                   2028311744
          Equivalent to 120 /8s, 229 /16s and 148 /24s
          Percentage of available address space announced:               54.7
          Percentage of allocated address space announced:               64.0
          Percentage of available address space allocated:               85.5
          Percentage of address space in use by end-sites:               76.3
      Total number of prefixes smaller than registry allocations:      140014
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    66071
          Total APNIC prefixes after maximum aggregation:               23545
          APNIC Deaggregation factor:                                    2.81
      Prefixes being announced from the APNIC address blocks:           62831
          Unique aggregates announced from the APNIC address blocks:    28740
      APNIC Region origin ASes present in the Internet Routing Table:    3599
          APNIC Prefixes per ASN:                                       17.46
      APNIC Region origin ASes announcing only one prefix:                972
      APNIC Region transit ASes present in the Internet Routing Table:    552
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              410009632
          Equivalent to 24 /8s, 112 /16s and 64 /24s
          Percentage of available APNIC address space announced:         81.5
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    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,
                             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:                    124382
          Total ARIN prefixes after maximum aggregation:                65792
          ARIN Deaggregation factor:                                     1.89
      Prefixes being announced from the ARIN address blocks:            93794
          Unique aggregates announced from the ARIN address blocks:     36496
      ARIN Region origin ASes present in the Internet Routing Table:    12905
          ARIN Prefixes per ASN:                                         7.27
      ARIN Region origin ASes announcing only one prefix:                4975
      ARIN Region transit ASes present in the Internet Routing Table:    1248
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               423891200
          Equivalent to 25 /8s, 68 /16s and 17 /24s
          Percentage of available ARIN address space announced:          81.5
      
      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
      ARIN Address Blocks     24/8,  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, 216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     65290
          Total RIPE prefixes after maximum aggregation:                37961
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            59837
          Unique aggregates announced from the RIPE address blocks:     39912
      RIPE Region origin ASes present in the Internet Routing Table:    12866
          RIPE Prefixes per ASN:                                         4.65
      RIPE Region origin ASes announcing only one prefix:                6724
      RIPE Region transit ASes present in the Internet Routing Table:    1940
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               392731424
          Equivalent to 23 /8s, 104 /16s and 155 /24s
          Percentage of available RIPE address space announced:          83.6
      
      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
      RIPE Address Blocks     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:                   23758
          Total LACNIC prefixes after maximum aggregation:               5825
          LACNIC Deaggregation factor:                                   4.08
      Prefixes being announced from the LACNIC address blocks:          21967
          Unique aggregates announced from the LACNIC address blocks:   11938
      LACNIC Region origin ASes present in the Internet Routing Table:   1089
          LACNIC Prefixes per ASN:                                      20.17
      LACNIC Region origin ASes announcing only one prefix:               346
      LACNIC Region transit ASes present in the Internet Routing Table:   174
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        28
      Number of LACNIC addresses announced to Internet:              62202240
          Equivalent to 3 /8s, 181 /16s and 33 /24s
          Percentage of available LACNIC address space announced:        61.8
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247
                             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:                   4843
          Total AfriNIC prefixes after maximum aggregation:              1393
          AfriNIC Deaggregation factor:                                  3.48
      Prefixes being announced from the AfriNIC address blocks:          4481
          Unique aggregates announced from the AfriNIC address blocks:   1360
      AfriNIC Region origin ASes present in the Internet Routing Table:   289
          AfriNIC Prefixes per ASN:                                     15.51
      AfriNIC Region origin ASes announcing only one prefix:               87
      AfriNIC Region transit ASes present in the Internet Routing Table:   55
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             10201344
          Equivalent to 0 /8s, 155 /16s and 169 /24s
          Percentage of available AfriNIC address space announced:       30.4
      
      AfriNIC AS Blocks      36864-37887 & 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     1691       6929         395   Korea Telecom (KIX)
      17488     1537        122          96   Hathway IP Over Cable Interne
       4755     1180        405         180   TATA Communications formerly 
       9583     1087         86         539   Sify Limited
       4134      891      16388         368   CHINANET-BACKBONE
       7545      785        164         106   TPG Internet Pty Ltd
      18101      755        216          30   Reliance Infocom Ltd Internet
      24560      681        228         174   Bharti Airtel Ltd.
       9498      664        296          50   BHARTI BT INTERNET LTD.
       9829      638        491          20   BSNL National Internet Backbo
      
      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     4305       3669         345   bellsouth.net, inc. 
        209     2644       4151         622   Qwest 
       4323     1827       1049         376   Time Warner Telecom
       1785     1744        717         138   PaeTec Communications, Inc.
      20115     1593       1425         723   Charter Communications 
       7018     1445       5895        1018   AT&T WorldNet Services
       6478     1317        297         483   AT&T Worldnet Services 
       2386     1249        681         898   AT&T Data Communications Serv
      11492     1211        192          11   Cable One 
       3356     1193      10979         452   Level 3 Communications, LLC 
      
      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
       8452     1193        188           7   TEDATA
      30890      544         88         199   SC Kappa Invexim SRL
       3292      450       1764         388   TDC Tele Danmark
      12479      401        578           6   Uni2 Autonomous System
       3320      343       7081         294   Deutsche Telekom AG
       3215      340       3025         108   France Telecom Transpac
       3301      340       1685         305   TeliaNet Sweden
       8866      337        109          22   Bulgarian Telecommunication C
      29049      320         26           3   AzerSat LLC.
      35805      316         24           4   United Telecom of Georgia
      
      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     1442       2848         232   UniNet S.A. de C.V. 
      10620      854        194         102   TVCABLE BOGOTA 
      22047      604        302          14   VTR PUNTO NET S.A. 
      16814      589         31          10   NSS, S.A. 
       7303      520        265          72   Telecom Argentina Stet-France
      11830      518        294          42   Instituto Costarricense de El
       6471      442         96          31   ENTEL CHILE S.A. 
      11172      411        102          72   Servicios Alestra S.A de C.V 
      28573      399        526          25   NET Servicos de Comunicao S.A
       7738      397        794          28   Telecomunicacoes da Bahia 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
      24863      852         77          36   LINKdotNET AS number
      20858      296         34           4   This AS will be used to conne
       3741      277        860         237   The Internet Solution 
       2018      242        215         142   Tertiary Education Network 
       6713      159        150          15   Itissalat Al-MAGHRIB
      33783      148         10           8   EEPAD TISP TELECOM & INTERNET
      29571      138         15           9   Ci Telecom Autonomous system 
       5536      123          8           9   Internet Egypt Network
       5713      115        507          66   Telkom SA Ltd 
      33776      109          6           3   Starcomms Nigeria Limited
      
      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     4305       3669         345   bellsouth.net, inc. 
        209     2644       4151         622   Qwest 
       4323     1827       1049         376   Time Warner Telecom
       1785     1744        717         138   PaeTec Communications, Inc.
       4766     1691       6929         395   Korea Telecom (KIX)
      20115     1593       1425         723   Charter Communications 
      17488     1537        122          96   Hathway IP Over Cable Interne
       7018     1445       5895        1018   AT&T WorldNet Services
       8151     1442       2848         232   UniNet S.A. de C.V. 
       6478     1317        297         483   AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2644        2022      Qwest 
       1785      1744        1606      PaeTec Communications, Inc.
       4323      1827        1451      Time Warner Telecom
      17488      1537        1441      Hathway IP Over Cable Interne
       4766      1691        1296      Korea Telecom (KIX)
       8151      1442        1210      UniNet S.A. de C.V. 
      11492      1211        1200      Cable One 
       8452      1193        1186      TEDATA
      18566      1060        1050      Covad Communications 
       4755      1180        1000      TATA Communications formerly 
      
      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
      24.75.116.0/22       10796     ServiceCo LLC - Road Runner 
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      41.220.16.0/20        8668     TelOne Zimbabwe P/L
      41.223.112.0/22       5713     Telkom SA Ltd 
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      
      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        /8:19       /9:10      /10:20      /11:57      /12:163     
      /13:334     /14:588     /15:1148    /16:10423   /17:4676    /18:8037    
      /19:17039   /20:20250   /21:20014   /22:25589   /23:25339   /24:149117  
      /25:644     /26:792     /27:341     /28:117     /29:37      /30:10      
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2806          4305      bellsouth.net, inc. 
       4766     1393          1691      Korea Telecom (KIX)
        209     1350          2644      Qwest 
      17488     1306          1537      Hathway IP Over Cable Interne
       8452     1172          1193      TEDATA
      11492     1160          1211      Cable One 
       1785     1152          1744      PaeTec Communications, Inc.
      18566     1041          1060      Covad Communications 
       4323      953          1827      Time Warner Telecom
       2386      949          1249      AT&T Data Communications Serv
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:13        8:178      12:2196     13:3        15:19       16:3      
        17:4        20:35       24:1100     32:51       38:549      40:97     
        41:1940     43:1        44:2        45:1        47:22       52:3      
        55:2        56:3        57:25       58:565      59:622      60:460    
        61:1107     62:1068     63:2023     64:3629     65:2410     66:3602   
        67:1490     68:706      69:2546     70:527      71:132      72:1645   
        73:2        74:1481     75:167      76:311      77:836      78:553    
        79:311      80:971      81:821      82:527      83:409      84:613    
        85:1020     86:393      87:634      88:358      89:1446     90:42     
        91:2132     92:334      93:1104     94:1191     95:1023     96:105    
        97:185      98:226      99:17      109:1       110:58      112:93     
       113:94      114:214     115:227     116:1150    117:493     118:283    
       119:704     120:149     121:713     122:997     123:537     124:957    
       125:1306    128:224     129:227     130:129     131:414     132:74     
       133:9       134:183     135:38      136:242     137:150     138:148    
       139:77      140:423     141:103     142:391     143:323     144:331    
       145:45      146:370     147:152     148:519     149:235     150:145    
       151:199     152:150     153:130     154:11      155:269     156:171    
       157:300     158:127     159:273     160:282     161:134     162:273    
       163:149     164:483     165:531     166:268     167:360     168:692    
       169:161     170:473     171:38      172:10      173:266     174:168    
       178:1       186:8       187:74      188:11      189:343     190:2746   
       192:5795    193:4233    194:3322    195:2682    196:1061    198:3738   
       199:3311    200:5504    201:1362    202:7902    203:8097    204:3796   
       205:2158    206:2390    207:2804    208:3902    209:3407    210:2649   
       211:1097    212:1521    213:1729    214:71      215:30      216:4554   
       217:1257    218:361     219:413     220:1210    221:452     222:289    
      
      
      End of report