[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, 31 May 2008 04:07:13 +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 31 May, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              256681
          Prefixes after maximum aggregation:                          127966
          Deaggregation factor:                                          2.01
          Unique aggregates announced to Internet:                     125823
      Total ASes present in the Internet Routing Table:                 28326
          Prefixes per ASN:                                              9.06
      Origin-only ASes present in the Internet Routing Table:           24711
      Origin ASes announcing only one prefix:                           11900
      Transit ASes present in the Internet Routing Table:                3615
      Transit-only ASes present in the Internet Routing Table:             74
      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:               626
          Unregistered ASNs in the Routing Table:                         236
      Number of 32-bit ASNs allocated by the RIRs:                         49
      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:            782
      Number of addresses announced to Internet:                   1874228320
          Equivalent to 111 /8s, 182 /16s and 116 /24s
          Percentage of available address space announced:               50.6
          Percentage of allocated address space announced:               61.4
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               72.0
      Total number of prefixes smaller than registry allocations:      123722
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    58811
          Total APNIC prefixes after maximum aggregation:               22049
          APNIC Deaggregation factor:                                    2.67
      Prefixes being announced from the APNIC address blocks:           55821
          Unique aggregates announced from the APNIC address blocks:    24827
      APNIC Region origin ASes present in the Internet Routing Table:    3252
          APNIC Prefixes per ASN:                                       17.17
      APNIC Region origin ASes announcing only one prefix:                854
      APNIC Region transit ASes present in the Internet Routing Table:    502
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              351187872
          Equivalent to 20 /8s, 238 /16s and 179 /24s
          Percentage of available APNIC address space announced:         74.8
      
      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:                    117915
          Total ARIN prefixes after maximum aggregation:                65206
          ARIN Deaggregation factor:                                     1.81
      Prefixes being announced from the ARIN address blocks:            87447
          Unique aggregates announced from the ARIN address blocks:     34419
      ARIN Region origin ASes present in the Internet Routing Table:    12183
          ARIN Prefixes per ASN:                                         7.18
      ARIN Region origin ASes announcing only one prefix:                4701
      ARIN Region transit ASes present in the Internet Routing Table:    1131
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               357844480
          Equivalent to 21 /8s, 84 /16s and 70 /24s
          Percentage of available ARIN address space announced:          73.5
      
      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, 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:                     55345
          Total RIPE prefixes after maximum aggregation:                33873
          RIPE Deaggregation factor:                                     1.63
      Prefixes being announced from the RIPE address blocks:            50545
          Unique aggregates announced from the RIPE address blocks:     33982
      RIPE Region origin ASes present in the Internet Routing Table:    11397
          RIPE Prefixes per ASN:                                         4.43
      RIPE Region origin ASes announcing only one prefix:                5957
      RIPE Region transit ASes present in the Internet Routing Table:    1722
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               359785600
          Equivalent to 21 /8s, 113 /16s and 228 /24s
          Percentage of available RIPE address space announced:          82.5
      
      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:                   20091
          Total LACNIC prefixes after maximum aggregation:               5118
          LACNIC Deaggregation factor:                                   3.93
      Prefixes being announced from the LACNIC address blocks:          18402
          Unique aggregates announced from the LACNIC address blocks:   10322
      LACNIC Region origin ASes present in the Internet Routing Table:    951
          LACNIC Prefixes per ASN:                                      19.35
      LACNIC Region origin ASes announcing only one prefix:               314
      LACNIC Region transit ASes present in the Internet Routing Table:   157
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        15
      Number of LACNIC addresses announced to Internet:              51751040
          Equivalent to 3 /8s, 21 /16s and 168 /24s
          Percentage of available LACNIC address space announced:        51.4
      
      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:                   3893
          Total AfriNIC prefixes after maximum aggregation:              1197
          AfriNIC Deaggregation factor:                                  3.25
      Prefixes being announced from the AfriNIC address blocks:          4182
          Unique aggregates announced from the AfriNIC address blocks:   1862
      AfriNIC Region origin ASes present in the Internet Routing Table:   240
          AfriNIC Prefixes per ASN:                                     17.43
      AfriNIC Region origin ASes announcing only one prefix:               74
      AfriNIC Region transit ASes present in the Internet Routing Table:   49
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12279808
          Equivalent to 0 /8s, 187 /16s and 96 /24s
          Percentage of available AfriNIC address space announced:       36.6
      
      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     1547        387          87   Videsh Sanchar Nigam Ltd. Aut
       9498     1165        549          61   BHARTI BT INTERNET LTD.
       9583     1101        110         410   Sify Limited
      17488     1084         71          76   Hathway IP Over Cable Interne
       4766      849       6006         343   Korea Telecom (KIX)
       4134      825      12917         323   CHINANET-BACKBONE
      23577      817         34         698   Korea Telecom (ATM-MPLS)
      18101      690        150          53   Reliance Infocom Ltd Internet
       9829      598        450          12   BSNL National Internet Backbo
       1221      548       1919         421   Telstra Pty Ltd
      
      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     1992       3087         178   bellsouth.net, inc. 
       4323     1462       1045         377   Time Warner Telecom
       2386     1438        659         873   AT&T Data Communications Serv
       7018     1377       5830         982   AT&T WorldNet Services
      11492     1223        148          12   Cable One 
       7011     1076        298         603   Citizens Utilities 
      18566     1044        296          10   Covad Communications 
       1785     1022        510         105   AppliedTheory Corporation 
       6197     1006        597         507   BellSouth Network Solutions, 
        174      973       6837         806   Cogent Communications
      
      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      409       1772         368   TDC Tele Danmark
       8452      347        188           7   TEDATA
       3301      339       1460         307   TeliaNet Sweden
       3320      317       7044         266   Deutsche Telekom AG
       8866      298         77          21   Bulgarian Telecommunication C
       5462      291        666          26   Telewest Broadband
       3215      285       2718          94   France Telecom Transpac
       8551      283        269          38   Bezeq International
        680      274       2047         264   DFN-IP service G-WiN
       9155      267         46          11   QualityNet AS number
      
      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     1233       2464         227   UniNet S.A. de C.V. 
      11830      603        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
       7303      464        228          69   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      414         85          46   ENTEL CHILE S.A. 
      11172      411        118          69   Servicios Alestra S.A de C.V 
      10620      392        100          63   TVCABLE BOGOTA 
      14117      375         23           9   Telefonica del Sur S.A. 
      20299      338         23          89   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      472         61          28   LINKdotNET AS number
       3741      288        853         223   The Internet Solution 
      20858      224         34           3   EgyNet
       2018      189        173          83   Tertiary Education Network 
       5713      168        575         102   Telkom SA Ltd 
       6713      145        136          12   Itissalat Al-MAGHRIB
      33783      134         10          12   EEPAD TISP TELECOM & INTERNET
       5536      121          8          16   Internet Egypt Network
      29571      100         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
       6389     1992       3087         178   bellsouth.net, inc. 
       4755     1547        387          87   Videsh Sanchar Nigam Ltd. Aut
       4323     1462       1045         377   Time Warner Telecom
       2386     1438        659         873   AT&T Data Communications Serv
       7018     1377       5830         982   AT&T WorldNet Services
       8151     1233       2464         227   UniNet S.A. de C.V. 
      11492     1223        148          12   Cable One 
       9498     1165        549          61   BHARTI BT INTERNET LTD.
       9583     1101        110         410   Sify Limited
      17488     1084         71          76   Hathway IP Over Cable Interne
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1547        1460      Videsh Sanchar Nigam Ltd. Aut
      11492      1223        1211      Cable One 
       9498      1165        1104      BHARTI BT INTERNET LTD.
       4323      1462        1085      Time Warner Telecom
      18566      1044        1034      Covad Communications 
      17488      1084        1008      Hathway IP Over Cable Interne
       8151      1233        1006      UniNet S.A. de C.V. 
       1785      1022         917      AppliedTheory Corporation 
      22773       945         883      Cox Communications, Inc.
       6478       948         797      AT&T Worldnet Services 
      
      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
      24.51.159.0/24        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
      62.61.220.0/24       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       /9:9       /10:16      /11:42      /12:142     
      /13:280     /14:513     /15:1019    /16:9933    /17:4373    /18:7283    
      /19:15509   /20:17927   /21:17339   /22:21799   /23:22883   /24:135257  
      /25:800     /26:948     /27:490     /28:81      /29:9       /30:1       
      /31:0       /32:9       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     1227          1992      bellsouth.net, inc. 
      11492     1205          1223      Cable One 
       2386     1136          1438      AT&T Data Communications Serv
      18566     1025          1044      Covad Communications 
       7011      964          1076      Citizens Utilities 
       9583      955          1101      Sify Limited
       6478      947           948      AT&T Worldnet Services 
       4755      936          1547      Videsh Sanchar Nigam Ltd. Aut
      17488      897          1084      Hathway IP Over Cable Interne
       9498      848          1165      BHARTI BT INTERNET LTD.
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:108      12:2048     13:1        15:20       16:3      
        17:5        18:13       20:35       24:1079     25:1        32:61     
        33:3        38:431      40:93       41:640      43:1        44:2      
        47:12       52:3        55:3        56:3        57:23       58:514    
        59:456      60:443      61:988      62:1115     63:1946     64:3337   
        65:2430     66:3668     67:1205     68:685      69:2253     70:629    
        71:125      72:1764     73:5        74:980      75:217      76:322    
        77:664      78:617      79:170      80:905      81:859      82:593    
        83:391      84:573      85:1007     86:421      87:671      88:325    
        89:1214     90:12       91:1264     92:187      93:502      96:32     
        97:21       98:178      99:3       114:17      116:657     117:331    
       118:142     119:430     120:45      121:524     122:772     123:344    
       124:832     125:1142    128:325     129:202     130:131     131:403    
       132:66      133:9       134:177     135:33      136:220     137:91     
       138:151     139:69      140:484     141:99      142:399     143:308    
       144:358     145:51      146:357     147:153     148:504     149:184    
       150:130     151:196     152:172     153:135     154:10      155:273    
       156:174     157:271     158:167     159:222     160:257     161:115    
       162:233     163:186     164:526     165:448     166:315     167:322    
       168:610     169:131     170:429     171:29      172:10      189:174    
       190:2025    192:5789    193:4094    194:3210    195:2451    196:1082   
       198:3746    199:3257    200:5628    201:1432    202:7586    203:7856   
       204:3989    205:2069    206:2400    207:2760    208:3360    209:3433   
       210:2516    211:1023    212:1394    213:1644    214:470     215:49     
       216:4363    217:1188    218:347     219:412     220:1081    221:462    
       222:308    
      
      End of report