[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, 21 Apr 2007 04:03:03 +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 21 Apr, 2007
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              218298
          Prefixes after maximum aggregation:                          116609
          Deaggregation factor:                                          1.87
          Unique aggregates announced to Internet:                     106012
      Total ASes present in the Internet Routing Table:                 24982
          Prefixes per ASN:                                              8.74
      Origin-only ASes present in the Internet Routing Table:           21749
      Origin ASes announcing only one prefix:                           10510
      Transit ASes present in the Internet Routing Table:                3233
      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:                                      21
          Max AS path prepend of ASN (20858)                               18
      Prefixes from unregistered ASNs in the Routing Table:                 7
          Unregistered ASNs in the Routing Table:                           8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             11
      Number of addresses announced to Internet:                   1710840640
          Equivalent to 101 /8s, 249 /16s and 91 /24s
          Percentage of available address space announced:               46.2
          Percentage of allocated address space announced:               62.7
          Percentage of available address space allocated:               73.7
      Total number of prefixes smaller than registry allocations:      113985
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    50264
          Total APNIC prefixes after maximum aggregation:               20187
          APNIC Deaggregation factor:                                    2.49
      Prefixes being announced from the APNIC address blocks:           47307
          Unique aggregates announced from the APNIC address blocks:    21138
      APNIC Region origin ASes present in the Internet Routing Table:    2920
          APNIC Prefixes per ASN:                                       16.20
      APNIC Region origin ASes announcing only one prefix:                785
      APNIC Region transit ASes present in the Internet Routing Table:    439
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              291868096
          Equivalent to 17 /8s, 101 /16s and 141 /24s
          Percentage of available APNIC address space announced:         72.3
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911
      APNIC Address Blocks   58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
                             210/7, 218/7, 220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    105906
          Total ARIN prefixes after maximum aggregation:                61843
          ARIN Deaggregation factor:                                     1.71
      Prefixes being announced from the ARIN address blocks:            78009
          Unique aggregates announced from the ARIN address blocks:     30289
      ARIN Region origin ASes present in the Internet Routing Table:    11507
          ARIN Prefixes per ASN:                                         6.78
      ARIN Region origin ASes announcing only one prefix:                4401
      ARIN Region transit ASes present in the Internet Routing Table:    1049
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               329029504
          Equivalent to 19 /8s, 156 /16s and 151 /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
      ARIN Address Blocks    24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     44985
          Total RIPE prefixes after maximum aggregation:                29464
          RIPE Deaggregation factor:                                     1.53
      Prefixes being announced from the RIPE address blocks:            41548
          Unique aggregates announced from the RIPE address blocks:     27764
      RIPE Region origin ASes present in the Internet Routing Table:     9506
          RIPE Prefixes per ASN:                                         4.37
      RIPE Region origin ASes announcing only one prefix:                5016
      RIPE Region transit ASes present in the Internet Routing Table:    1541
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               303291136
          Equivalent to 18 /8s, 19 /16s and 219 /24s
          Percentage of available RIPE address space announced:          75.3
      
      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
                             40960-43007
      RIPE Address Blocks    62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
                             212/7 and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   14589
          Total LACNIC prefixes after maximum aggregation:               4104
          LACNIC Deaggregation factor:                                   3.55
      Prefixes being announced from the LACNIC address blocks:          12688
          Unique aggregates announced from the LACNIC address blocks:    7071
      LACNIC Region origin ASes present in the Internet Routing Table:    779
          LACNIC Prefixes per ASN:                                      16.29
      LACNIC Region origin ASes announcing only one prefix:               249
      LACNIC Region transit ASes present in the Internet Routing Table:   138
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              38357760
          Equivalent to 2 /8s, 73 /16s and 75 /24s
          Percentage of available LACNIC address space announced:        57.2
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   2545
          Total AfriNIC prefixes after maximum aggregation:              1005
          AfriNIC Deaggregation factor:                                  2.53
      Prefixes being announced from the AfriNIC address blocks:          1922
          Unique aggregates announced from the AfriNIC address blocks:   1182
      AfriNIC Region origin ASes present in the Internet Routing Table:   189
          AfriNIC Prefixes per ASN:                                     10.17
      AfriNIC Region origin ASes announcing only one prefix:               59
      AfriNIC Region transit ASes present in the Internet Routing Table:   37
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              6041088
          Equivalent to 0 /8s, 92 /16s and 46 /24s
          Percentage of available AfriNIC address space announced:       18.0
      
      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
       4134     1274       9487         269   CHINANET-BACKBONE
       4755     1196        382          72   Videsh Sanchar Nigam Ltd. Aut
       9583     1094         79         375   Sify Limited
       9498      977        469          74   BHARTI BT INTERNET LTD.
       4766      782       4943         312   Korea Telecom (KIX)
      23577      779         35         708   Korea Telecom (ATM-MPLS)
      17488      666         43          36   Hathway IP Over Cable Interne
       7545      623        142          79   TPG Internet Pty Ltd
       1221      579       1956         448   Telstra Pty Ltd
      18101      529        116          26   Reliance Infocom Ltd Internet
       4668      505         68          10   LG-EDS Systems Inc.
      17676      503      10935          65   Softbank BB Corp.
       4812      461        795          73   China Telecom (Shanghai)
       9443      459        115          74   Primus Telecommunications
       7474      401        217         268   SingTel Optus Pty Ltd
       9829      359        274          14   BSNL National Internet Backbo
      17557      358         35         172   Pakistan Telecom
       4802      357         86         147   Wantree Development
       4837      343       4708         157   chinanet IDC center beijing n
      17974      343        129          14   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1500       6127         986   AT&T WorldNet Services
       4323     1268       1022         359   Time Warner Telecom
       2386     1100        530         742   AT&T Data Communications Serv
       6478     1096        335         151   AT&T Worldnet Services 
      11492     1037        102          17   Cable One 
       6197     1034        686         501   BellSouth Network Solutions, 
      18566      999        288           9   Covad Communications 
        174      950       6792         866   Cogent Communications
        701      942       6677         736   UUNET Technologies, Inc. 
       1239      824       2716         574   Sprint 
      20115      822        734         426   Charter Communications 
       7011      783        225         465   Citizens Utilities 
        209      717       3734         570   Qwest 
      19262      710       2554         173   Verizon Global Networks 
      22773      703       1871          40   Cox Communications, Inc.
        721      617      21756         274   DLA Systems Automation Center
        852      594       1096         376   Telus Advanced Communications
       5668      593        160          17   CenturyTel Internet Holdings,
       7029      574        456          81   Alltel Information Services, 
      19916      568         49          54   OLM LLC 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      519       1957         413   UUNET - Commercial IP service
      24863      342         47          32   LINKdotNET AS number
       3301      307       1455         287   TeliaNet Sweden
       3320      303       4993         251   Deutsche Telekom AG
       6746      273         95         250   Dynamic Network Technologies,
       8220      258        461         249   COLT Telecommunications
        680      255       2043         247   DFN-IP service G-WiN
       3215      239       2256          92   France Telecom Transpac
       8708      236        288         229   Romania Data Systems S.A.
       3269      214       2583          72   TELECOM ITALIA
       3246      208        340         197   Song Networks
       8551      206        196          30   Bezeq International
      30890      205         17          95   SC Kappa Invexim SRL
       3352      199       1799          33   Ibernet, Internet Access Netw
      20858      196         34           4   EgyNet
       1257      192       1180         170   SWIPnet Swedish IP Network
       9116      188        134          24   Goldenlines main autonomous s
      12479      185        578           6   Uni2 Autonomous System
       3300      184        171          89   AUCS Communications Services 
        786      178       1795         178   The JANET IP Service
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1047       1869         209   UniNet S.A. de C.V. 
      11830      483        299          19   Instituto Costarricense de El
      11172      364        116          64   Servicios Alestra S.A de C.V 
      16814      362         22           8   NSS, S.A. 
      22047      310        238          12   VTR PUNTO NET S.A. 
       7303      267        143          24   Telecom Argentina Stet-France
       6471      259         74          31   ENTEL CHILE S.A. 
      14117      242         17          14   Telefonica del Sur S.A. 
      11556      235        128           3   Cable-Wireless Panama 
       6147      226        176          23   Telefonica Del Peru 
       6503      213        171          85   AVANTEL, S.A. 
      20299      198         26          20   NEWCOM AMERICAS 
      10620      184         53          23   TVCABLE BOGOTA 
      10481      181         72           8   Prima S.A. 
      23216      158         19          42   RAMtelecom Telecomunicaciones
      21826      156         28          59   INTERCABLE 
       7910      153         11          30   ANDINET ON LINE 
      19429      148         92          39   E.T.B. 
      14522      146         22           5   SatNet S.A. 
      18822      146          9           6   TELEFONICA MANQUEHUE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      291        868         232   The Internet Solution 
       8452      216        188           7   TEDATA
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      137        309         112   Tertiary Education Network 
      15475      129         84           4   Nile Online
       5536      123          8          15   Internet Egypt Network
      33783      116          7           9   EEPAD TISP TELECOM & INTERNET
      24835       85         48           6   RAYA Telecom - Egypt
       2905       80        173          72   The Internetworking Company o
       2561       61          6           2   Egyptian Universities Network
      15706       51         12           4   Sudatel Internet Exchange Aut
      23889       49         16          13   MAURITIUS TELECOM
       5713       44        294          34   Telkom SA Ltd 
      33774       43         13          24   AS Number for Telecom Algeria
      16637       33         21          25   Johnnic e-Ventures 
       8524       30          2           6   AUCEGYPT Autonomous System
      33776       30          2           7   Starcomms Nigeria Limited
      33766       28          2           1   Nyala Communications Pty Ltd 
      21280       27          4           4   Swift Global Kenya Ltd.Is an 
      12455       24          6           3   Jambonet Autonomous system
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1196        1124      Videsh Sanchar Nigam Ltd. Aut
      11492      1037        1020      Cable One 
       4134      1274        1005      CHINANET-BACKBONE
      18566       999         990      Covad Communications 
       6478      1096         945      AT&T Worldnet Services 
       4323      1268         909      Time Warner Telecom
       9498       977         903      BHARTI BT INTERNET LTD.
       8151      1047         838      UniNet S.A. de C.V. 
       9583      1094         719      Sify Limited
      22773       703         663      Cox Communications, Inc.
      17488       666         630      Hathway IP Over Cable Interne
       5668       593         576      CenturyTel Internet Holdings,
       7545       623         544      TPG Internet Pty Ltd
      19262       710         537      Verizon Global Networks 
       6197      1034         533      BellSouth Network Solutions, 
      19916       568         514      OLM LLC 
      18101       529         503      Reliance Infocom Ltd Internet
        855       566         495      Canadian Research Network 
       4668       505         495      LG-EDS Systems Inc.
       7029       574         493      Alltel Information Services, 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
      64518   PRIVATE       125.18.63.0/24        7633       Software Technology 
      64807   PRIVATE       170.210.44.0/25       7303       Telecom Argentina St
      64810   PRIVATE       170.210.78.128/25     7303       Telecom Argentina St
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      64512   PRIVATE       208.103.63.0/24      32703       Indiana Fiber Networ
      22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia Business So
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      7.1.1.0/24            1239     Sprint 
      132.0.0.0/10           721     DLA Systems Automation Center
      137.0.0.0/13           721     DLA Systems Automation Center
      158.0.0.0/13           721     DLA Systems Automation Center
      172.33.1.0/24         7018     AT&T WorldNet Services
      192.0.10.0/24         9498     BHARTI BT INTERNET LTD.
      192.44.0.0/24         5501     Fraunhofer Gesellschaft
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.70.164.0/24      25689     National Research Council of 
      192.153.136.0/21       721     DLA Systems Automation Center
      192.172.0.0/19         721     DLA Systems Automation Center
      
      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       /10:13      /11:34      /12:122     
      /13:236     /14:447     /15:856     /16:9348    /17:3810    /18:6307    
      /19:13456   /20:15185   /21:13694   /22:17774   /23:19131   /24:115716  
      /25:765     /26:815     /27:486     /28:60      /29:6       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1087          1096      AT&T Worldnet Services 
      11492     1023          1037      Cable One 
      18566      981           999      Covad Communications 
       9583      933          1094      Sify Limited
       2386      819          1100      AT&T Data Communications Serv
       7018      815          1500      AT&T WorldNet Services
       6197      796          1034      BellSouth Network Solutions, 
      23577      765           779      Korea Telecom (ATM-MPLS)
       7011      686           783      Citizens Utilities 
       9498      640           977      BHARTI BT INTERNET LTD.
       4755      591          1196      Videsh Sanchar Nigam Ltd. Aut
       4766      588           782      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      529          1268      Time Warner Telecom
       4668      495           505      LG-EDS Systems Inc.
      15270      494           527      PaeTec.net -a division of Pae
      17488      487           666      Hathway IP Over Cable Interne
        855      464           566      Canadian Research Network 
       5668      459           593      CenturyTel Internet Holdings,
      18101      456           529      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         7:1         8:70        9:1        12:1793     15:19     
        16:3        17:3        18:8        20:37       24:950      25:1      
        32:53       38:298      40:57       41:123      44:2        47:4      
        52:4        55:1        56:3        57:26       58:368      59:369    
        60:268      61:918      62:924      63:1964     64:3117     65:2325   
        66:3258     67:799      68:647      69:1807     70:500      71:111    
        72:1258     73:1        74:380      75:257      76:37       77:150    
        80:855      81:805      82:611      83:379      84:430      85:746    
        86:444      87:460      88:245      89:835      90:21       91:266    
        97:1       116:24      121:174     122:525     123:88      124:782    
       125:939     128:272     129:219     130:121     131:348     132:52     
       133:10      134:193     135:39      136:179     137:83      138:194    
       139:63      140:480     141:149     142:369     143:210     144:289    
       145:43      146:323     147:146     148:399     149:142     150:115    
       151:124     152:94      153:121     154:4       155:251     156:152    
       157:183     158:161     159:154     160:104     161:88      162:236    
       163:146     164:453     165:402     166:233     167:278     168:496    
       169:120     170:398     171:15      172:1       189:263     190:569    
       192:5744    193:3778    194:3071    195:2209    196:928     198:3750   
       199:3284    200:4697    201:954     202:7220    203:7434    204:3938   
       205:2105    206:2396    207:2908    208:2615    209:3615    210:2459   
       211:930     212:1296    213:1448    214:390     215:40      216:4005   
       217:1153    218:353     219:356     220:937     221:395     222:270    
      
      
      End of report
      Report Website: http://thyme.apnic.net