[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, 28 Jun 2008 04:08:39 +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 28 Jun, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              261031
          Prefixes after maximum aggregation:                          128186
          Deaggregation factor:                                          2.04
          Unique aggregates announced to Internet:                     127105
      Total ASes present in the Internet Routing Table:                 28561
          Prefixes per ASN:                                              9.14
      Origin-only ASes present in the Internet Routing Table:           24896
      Origin ASes announcing only one prefix:                           12051
      Transit ASes present in the Internet Routing Table:                3665
      Transit-only ASes present in the Internet Routing Table:             80
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      18
          Max AS path prepend of ASN (43380)                               13
      Prefixes from unregistered ASNs in the Routing Table:               612
          Unregistered ASNs in the Routing Table:                         221
      Number of 32-bit ASNs allocated by the RIRs:                         48
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            778
      Number of addresses announced to Internet:                   1864217696
          Equivalent to 111 /8s, 29 /16s and 180 /24s
          Percentage of available address space announced:               50.3
          Percentage of allocated address space announced:               61.1
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               72.4
      Total number of prefixes smaller than registry allocations:      127006
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    59718
          Total APNIC prefixes after maximum aggregation:               22124
          APNIC Deaggregation factor:                                    2.70
      Prefixes being announced from the APNIC address blocks:           56731
          Unique aggregates announced from the APNIC address blocks:    25012
      APNIC Region origin ASes present in the Internet Routing Table:    3284
          APNIC Prefixes per ASN:                                       17.27
      APNIC Region origin ASes announcing only one prefix:                878
      APNIC Region transit ASes present in the Internet Routing Table:    512
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              359769888
          Equivalent to 21 /8s, 113 /16s and 167 /24s
          Percentage of available APNIC address space announced:         76.6
      
      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, 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:                    119970
          Total ARIN prefixes after maximum aggregation:                64949
          ARIN Deaggregation factor:                                     1.85
      Prefixes being announced from the ARIN address blocks:            89671
          Unique aggregates announced from the ARIN address blocks:     34705
      ARIN Region origin ASes present in the Internet Routing Table:    12240
          ARIN Prefixes per ASN:                                         7.33
      ARIN Region origin ASes announcing only one prefix:                4741
      ARIN Region transit ASes present in the Internet Routing Table:    1144
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               353360032
          Equivalent to 21 /8s, 15 /16s and 216 /24s
          Percentage of available ARIN address space announced:          72.6
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
      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, 173/8, 174/8,
                             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:                     56335
          Total RIPE prefixes after maximum aggregation:                34205
          RIPE Deaggregation factor:                                     1.65
      Prefixes being announced from the RIPE address blocks:            51535
          Unique aggregates announced from the RIPE address blocks:     34513
      RIPE Region origin ASes present in the Internet Routing Table:    11539
          RIPE Prefixes per ASN:                                         4.47
      RIPE Region origin ASes announcing only one prefix:                6041
      RIPE Region transit ASes present in the Internet Routing Table:    1742
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               361948800
          Equivalent to 21 /8s, 146 /16s and 230 /24s
          Percentage of available RIPE address space announced:          83.0
      
      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, 47104-48127
      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, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   20337
          Total LACNIC prefixes after maximum aggregation:               5198
          LACNIC Deaggregation factor:                                   3.91
      Prefixes being announced from the LACNIC address blocks:          18584
          Unique aggregates announced from the LACNIC address blocks:   10491
      LACNIC Region origin ASes present in the Internet Routing Table:    960
          LACNIC Prefixes per ASN:                                      19.36
      LACNIC Region origin ASes announcing only one prefix:               315
      LACNIC Region transit ASes present in the Internet Routing Table:   160
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        15
      Number of LACNIC addresses announced to Internet:              52687360
          Equivalent to 3 /8s, 35 /16s and 242 /24s
          Percentage of available LACNIC address space announced:        52.3
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 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:                   4062
          Total AfriNIC prefixes after maximum aggregation:              1204
          AfriNIC Deaggregation factor:                                  3.37
      Prefixes being announced from the AfriNIC address blocks:          4339
          Unique aggregates announced from the AfriNIC address blocks:   1880
      AfriNIC Region origin ASes present in the Internet Routing Table:   240
          AfriNIC Prefixes per ASN:                                     18.08
      AfriNIC Region origin ASes announcing only one prefix:               76
      AfriNIC Region transit ASes present in the Internet Routing Table:   47
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             12233216
          Equivalent to 0 /8s, 186 /16s and 170 /24s
          Percentage of available AfriNIC address space announced:       36.5
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4755     1668        387          90   Videsh Sanchar Nigam Ltd. Aut
      17488     1188         82          91   Hathway IP Over Cable Interne
       9583     1163        111         420   Sify Limited
       9498     1078        550          62   BHARTI BT INTERNET LTD.
       4766      846       6006         343   Korea Telecom (KIX)
       4134      829      12995         328   CHINANET-BACKBONE
      23577      824         35         704   Korea Telecom (ATM-MPLS)
       4780      704        351          63   Digital United Inc.
      18101      688        167          35   Reliance Infocom Ltd Internet
       9829      598        450          12   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
        209     3013       3874         622   Qwest 
       6389     2671       3260         199   bellsouth.net, inc. 
       2386     1496        663         877   AT&T Data Communications Serv
       4323     1469       1044         376   Time Warner Telecom
       7018     1395       5822         976   AT&T WorldNet Services
      11492     1231        150          12   Cable One 
       1785     1080        510         104   AppliedTheory Corporation 
      20115     1048       1068         561   Charter Communications 
      18566     1045        296          10   Covad Communications 
       7011     1015        287         554   Citizens Utilities 
      
      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
       3292      414       1788         372   TDC Tele Danmark
       8452      344        188          11   TEDATA
       3301      335       1460         305   TeliaNet Sweden
       3320      319       7046         268   Deutsche Telekom AG
       8866      319         77          21   Bulgarian Telecommunication C
       5462      296        666          27   Telewest Broadband
       8551      287        269          38   Bezeq International
       3215      286       2742          89   France Telecom Transpac
        680      274       2047         264   DFN-IP service G-WiN
       6746      268        126         243   Dynamic Network Technologies,
      
      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     1273       2464         227   UniNet S.A. de C.V. 
      11830      604        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
       7303      469        231          65   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      411         85          48   ENTEL CHILE S.A. 
      11172      408        118          70   Servicios Alestra S.A de C.V 
      10620      397        101          68   TVCABLE BOGOTA 
      14117      375         23           9   Telefonica del Sur S.A. 
      20299      334         23          98   NEWCOM AMERICAS 
      
      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      475         61          30   LINKdotNET AS number
      20858      397         34           3   EgyNet
       3741      273        853         224   The Internet Solution 
       2018      201        205          85   Tertiary Education Network 
       5713      156        558          94   Telkom SA Ltd 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      133          9          17   EEPAD TISP TELECOM & INTERNET
       5536      121          8          16   Internet Egypt Network
      29571      102         13           8   Ci Telecom Autonomous system 
      33776      100          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
        209     3013       3874         622   Qwest 
       6389     2671       3260         199   bellsouth.net, inc. 
       4755     1668        387          90   Videsh Sanchar Nigam Ltd. Aut
       2386     1496        663         877   AT&T Data Communications Serv
       4323     1469       1044         376   Time Warner Telecom
       7018     1395       5822         976   AT&T WorldNet Services
       8151     1273       2464         227   UniNet S.A. de C.V. 
      11492     1231        150          12   Cable One 
      17488     1188         82          91   Hathway IP Over Cable Interne
       9583     1163        111         420   Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       6389      2671        2472      bellsouth.net, inc. 
       4755      1668        1578      Videsh Sanchar Nigam Ltd. Aut
      11492      1231        1219      Cable One 
      17488      1188        1097      Hathway IP Over Cable Interne
       4323      1469        1093      Time Warner Telecom
       8151      1273        1046      UniNet S.A. de C.V. 
      18566      1045        1035      Covad Communications 
       9498      1078        1016      BHARTI BT INTERNET LTD.
       1785      1080         976      AppliedTheory Corporation 
      22773       966         904      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          701       UUNET Technologies, 
      22492   UNALLOCATED   12.2.46.0/24          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
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.31.25.0/24         6517       Yipes Communications
      27220   UNALLOCATED   12.35.204.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.48.244.0/23        7843     Adelphia Corp. 
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.23.0/24         7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.75.192.0/18        7843     Adelphia Corp. 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      
      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        /8:18       /9:9       /10:16      /11:44      /12:143     
      /13:281     /14:514     /15:1037    /16:9958    /17:4325    /18:7368    
      /19:15727   /20:18361   /21:17999   /22:22360   /23:23307   /24:136792  
      /25:859     /26:1032    /27:783     /28:81      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        209     1769          3013      Qwest 
       6389     1670          2671      bellsouth.net, inc. 
      11492     1211          1231      Cable One 
       2386     1191          1496      AT&T Data Communications Serv
      18566     1026          1045      Covad Communications 
       9583     1013          1163      Sify Limited
       4755     1009          1668      Videsh Sanchar Nigam Ltd. Aut
      17488     1002          1188      Hathway IP Over Cable Interne
       6298      976           991      Cox Communicatons 
       6478      947           956      AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:7         8:118      12:2060     13:2        15:22       16:3      
        17:5        18:13       20:35       24:1071     25:1        32:62     
        38:446      40:92       41:651      43:1        44:2        47:6      
        52:3        55:3        56:3        57:24       58:501      59:501    
        60:448      61:1001     62:1188     63:2031     64:3288     65:2386   
        66:3533     67:1229     68:694      69:2278     70:681      71:121    
        72:1821     73:5        74:1028     75:159      76:299      77:738    
        78:710      79:199      80:950      81:848      82:612      83:393    
        84:577      85:1024     86:417      87:701      88:335      89:1285   
        90:14       91:1301     92:205      93:590      94:52       96:37     
        97:27       98:168      99:3       112:1       113:1       114:58     
       116:762     117:329     118:182     119:446     120:49      121:554    
       122:793     123:360     124:858     125:1153    128:362     129:202    
       130:131     131:409     132:67      133:9       134:177     135:33     
       136:220     137:87      138:145     139:93      140:489     141:99     
       142:415     143:311     144:365     145:51      146:364     147:154    
       148:511     149:197     150:120     151:191     152:131     153:136    
       154:10      155:277     156:174     157:277     158:186     159:240    
       160:276     161:114     162:239     163:187     164:523     165:449    
       166:319     167:327     168:620     169:136     170:428     171:30     
       172:10      189:242     190:2141    192:5787    193:4104    194:3221   
       195:2511    196:1048    198:3730    199:3274    200:5545    201:1456   
       202:7622    203:8020    204:3970    205:2131    206:2391    207:2772   
       208:3388    209:3520    210:2571    211:1051    212:1430    213:1631   
       214:148     215:49      216:4396    217:1199    218:339     219:412    
       220:1068    221:471     222:309    
      
      End of report