[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, 7 Apr 2007 04:02:56 +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 07 Apr, 2007
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              217445
          Prefixes after maximum aggregation:                          116217
          Deaggregation factor:                                          1.87
          Unique aggregates announced to Internet:                     104542
      Total ASes present in the Internet Routing Table:                 24844
          Prefixes per ASN:                                              8.75
      Origin-only ASes present in the Internet Routing Table:           21659
      Origin ASes announcing only one prefix:                           10450
      Transit ASes present in the Internet Routing Table:                3185
      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:                                      24
          Max AS path prepend of ASN (16327)                               21
      Prefixes from unregistered ASNs in the Routing Table:                 3
          Unregistered ASNs in the Routing Table:                           5
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1705019720
          Equivalent to 101 /8s, 160 /16s and 137 /24s
          Percentage of available address space announced:               46.0
          Percentage of allocated address space announced:               62.5
          Percentage of available address space allocated:               73.7
      Total number of prefixes smaller than registry allocations:      113403
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    49833
          Total APNIC prefixes after maximum aggregation:               20069
          APNIC Deaggregation factor:                                    2.48
      Prefixes being announced from the APNIC address blocks:           46877
          Unique aggregates announced from the APNIC address blocks:    21084
      APNIC Region origin ASes present in the Internet Routing Table:    2909
      APNIC Region origin ASes announcing only one prefix:                779
      APNIC Region transit ASes present in the Internet Routing Table:    428
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              290876352
          Equivalent to 17 /8s, 86 /16s and 107 /24s
          Percentage of available APNIC address space announced:         72.1
      
      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:                    105650
          Total ARIN prefixes after maximum aggregation:                61744
          ARIN Deaggregation factor:                                     1.71
      Prefixes being announced from the ARIN address blocks:            77656
          Unique aggregates announced from the ARIN address blocks:     30162
      ARIN Region origin ASes present in the Internet Routing Table:    11463
      ARIN Region origin ASes announcing only one prefix:                4385
      ARIN Region transit ASes present in the Internet Routing Table:    1045
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               327721344
          Equivalent to 19 /8s, 136 /16s and 161 /24s
          Percentage of available ARIN address space announced:          72.3
      
      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:                     44899
          Total RIPE prefixes after maximum aggregation:                29324
          RIPE Deaggregation factor:                                     1.53
      Prefixes being announced from the RIPE address blocks:            41481
          Unique aggregates announced from the RIPE address blocks:     26508
      RIPE Region origin ASes present in the Internet Routing Table:     9436
      RIPE Region origin ASes announcing only one prefix:                4974
      RIPE Region transit ASes present in the Internet Routing Table:    1509
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               299437056
          Equivalent to 17 /8s, 217 /16s and 12 /24s
          Percentage of available RIPE address space announced:          74.4
      
      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:                   14521
          Total LACNIC prefixes after maximum aggregation:               4089
          LACNIC Deaggregation factor:                                   3.55
      Prefixes being announced from the LACNIC address blocks:          12617
          Unique aggregates announced from the LACNIC address blocks:    7086
      LACNIC Region origin ASes present in the Internet Routing Table:    777
      LACNIC Region origin ASes announcing only one prefix:               254
      LACNIC Region transit ASes present in the Internet Routing Table:   134
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              38813952
          Equivalent to 2 /8s, 80 /16s and 65 /24s
          Percentage of available LACNIC address space announced:        57.8
      
      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:                   2538
          Total AfriNIC prefixes after maximum aggregation:               987
          AfriNIC Deaggregation factor:                                  2.57
      Prefixes being announced from the AfriNIC address blocks:          1889
          Unique aggregates announced from the AfriNIC address blocks:   1168
      AfriNIC Region origin ASes present in the Internet Routing Table:   184
      AfriNIC Region origin ASes announcing only one prefix:               58
      AfriNIC Region transit ASes present in the Internet Routing Table:   36
      Average AfriNIC Region AS path length visible:                      3.6
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              5964288
          Equivalent to 0 /8s, 91 /16s and 2 /24s
          Percentage of available AfriNIC address space announced:       17.8
      
      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     1286       9438         280   CHINANET-BACKBONE
       4755     1177        383          77   Videsh Sanchar Nigam Ltd. Aut
       9583     1100         78         379   Sify Limited
       9498      969        469          70   BHARTI BT INTERNET LTD.
       4766      788       4943         314   Korea Telecom (KIX)
      23577      786         35         711   Korea Telecom (ATM-MPLS)
      17488      626         41          32   Hathway IP Over Cable Interne
       7545      610        142          77   TPG Internet Pty Ltd
       1221      571       1956         445   Telstra Pty Ltd
      18101      538        116          27   Reliance Infocom Ltd Internet
      17676      503      10935          65   Softbank BB Corp.
       4668      502         68          10   LG-EDS Systems Inc.
       4812      457        791          72   China Telecom (Shanghai)
       9443      453        111          73   Primus Telecommunications
       7474      385        216         260   SingTel Optus Pty Ltd
      17557      369         35         175   Pakistan Telecom
       4802      359         86         150   Wantree Development
       4837      342       4596         157   chinanet IDC center beijing n
      17974      342        129          14   PT TELEKOMUNIKASI INDONESIA
       2907      338       1749         311   SINET Japan
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1500       6127         983   AT&T WorldNet Services
       4323     1271       1021         353   Time Warner Telecom
       2386     1089        558         731   AT&T Data Communications Serv
       6478     1085        333         152   AT&T Worldnet Services 
       6197     1033        682         500   BellSouth Network Solutions, 
      11492     1023        102          12   Cable One 
      18566      999        288           9   Covad Communications 
        174      941       6791         860   Cogent Communications
        701      926       6658         727   UUNET Technologies, Inc. 
       1239      820       2715         571   Sprint 
      20115      811        722         426   Charter Communications 
       7011      780        225         463   Citizens Utilities 
      19262      723       2566         164   Verizon Global Networks 
        209      721       3733         572   Qwest 
      22773      696       1871          42   Cox Communications, Inc.
        721      619      21756         274   DLA Systems Automation Center
        852      591       1096         378   Telus Advanced Communications
       5668      582        160          17   CenturyTel Internet Holdings,
      19916      568         49          54   OLM LLC 
        855      565        250          71   Canadian Research Network 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      520       1941         414   UUNET - Commercial IP service
      24863      340         47          32   LINKdotNET AS number
       3301      309       1455         289   TeliaNet Sweden
       3320      303       4993         251   Deutsche Telekom AG
       6746      275         95         252   Dynamic Network Technologies,
       8220      265        463         255   COLT Telecommunications
        680      257       2044         250   DFN-IP service G-WiN
       5416      249         15          15   BATELCO-BH
       3215      239       2256          92   France Telecom Transpac
       8708      233        287         226   Romania Data Systems S.A.
       1257      222       1180         168   SWIPnet Swedish IP Network
       3269      216       2583          73   TELECOM ITALIA
       3246      208        354         197   Song Networks
       8551      206        196          30   Bezeq International
      30890      205         17          93   SC Kappa Invexim SRL
      20858      199         34           4   EgyNet
       3352      196       1795          36   Ibernet, Internet Access Netw
      12479      185        578           6   Uni2 Autonomous System
       3300      184        171          89   AUCS Communications Services 
        786      175       1795         175   The JANET IP Service
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1073       2009         211   UniNet S.A. de C.V. 
      11830      483        299          19   Instituto Costarricense de El
      11172      361        116          66   Servicios Alestra S.A de C.V 
      16814      361         22           8   NSS, S.A. 
      22047      310        238          12   VTR PUNTO NET S.A. 
       7303      265        143          24   Telecom Argentina Stet-France
       6471      259         74          31   ENTEL CHILE S.A. 
      14117      242         17          14   Telefonica del Sur S.A. 
      11556      237        128           4   Cable-Wireless Panama 
       6147      227        180          24   Telefonica Del Peru 
       6503      212        171          84   AVANTEL, S.A. 
      20299      182         25          23   NEWCOM AMERICAS 
      10481      181         72           8   Prima S.A. 
      10620      164         48          22   TVCABLE BOGOTA 
      21826      156         28          59   INTERCABLE 
      23216      156         19          47   RAMtelecom Telecomunicaciones
       7910      154         11          29   ANDINET ON LINE 
      19429      148         91          38   E.T.B. 
      14522      147         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      209        188           7   TEDATA
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      138        309         113   Tertiary Education Network 
      15475      128         84           4   Nile Online
       5536      123          8          15   Internet Egypt Network
      33783      113          7           7   EEPAD TISP TELECOM & INTERNET
       2905       85        176          74   The Internetworking Company o
      24835       85         48           6   RAYA Telecom - Egypt
       2561       61          6           2   Egyptian Universities Network
      15706       55         12           4   Sudatel Internet Exchange Aut
      23889       49         16          13   MAURITIUS TELECOM
       5713       44        294          34   Telkom SA Ltd 
      33774       42         13          23   AS Number for Telecom Algeria
      16637       33         21          25   Johnnic e-Ventures 
      33766       33          2           1   Nyala Communications Pty Ltd 
       8524       30          2           6   AUCEGYPT Autonomous System
      21280       27          4           4   Swift Global Kenya Ltd.Is an 
      33776       27          2           5   Starcomms Nigeria Limited
      12455       25          6           3   Jambonet Autonomous system
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1177        1100      Videsh Sanchar Nigam Ltd. Aut
      11492      1023        1011      Cable One 
       4134      1286        1006      CHINANET-BACKBONE
      18566       999         990      Covad Communications 
       6478      1085         933      AT&T Worldnet Services 
       4323      1271         918      Time Warner Telecom
       9498       969         899      BHARTI BT INTERNET LTD.
       8151      1073         862      UniNet S.A. de C.V. 
       9583      1100         721      Sify Limited
      22773       696         654      Cox Communications, Inc.
      17488       626         594      Hathway IP Over Cable Interne
       5668       582         565      CenturyTel Internet Holdings,
      19262       723         559      Verizon Global Networks 
       6197      1033         533      BellSouth Network Solutions, 
       7545       610         533      TPG Internet Pty Ltd
      19916       568         514      OLM LLC 
      18101       538         511      Reliance Infocom Ltd Internet
        855       565         494      Canadian Research Network 
       4668       502         492      LG-EDS Systems Inc.
       7029       565         484      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 
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      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
      180.190.0.0/16       24003     JUBILANT ORGANOSYS LTD., INDI
      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        /8:20       /9:9       /10:12      /11:34      /12:122     
      /13:235     /14:445     /15:851     /16:9340    /17:3802    /18:6278    
      /19:13423   /20:15066   /21:13615   /22:17683   /23:19065   /24:115168  
      /25:775     /26:810     /27:483     /28:60      /29:40      /30:69      
      /31:0       /32:40      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1076          1085      AT&T Worldnet Services 
      11492     1009          1023      Cable One 
      18566      981           999      Covad Communications 
       9583      940          1100      Sify Limited
       7018      817          1500      AT&T WorldNet Services
       2386      811          1089      AT&T Data Communications Serv
       6197      796          1033      BellSouth Network Solutions, 
      23577      772           786      Korea Telecom (ATM-MPLS)
       7011      683           780      Citizens Utilities 
       9498      632           969      BHARTI BT INTERNET LTD.
       4766      593           788      Korea Telecom (KIX)
       4755      573          1177      Videsh Sanchar Nigam Ltd. Aut
      19916      563           568      OLM LLC 
       4323      529          1271      Time Warner Telecom
       4668      492           502      LG-EDS Systems Inc.
      15270      486           518      PaeTec.net -a division of Pae
        855      463           565      Canadian Research Network 
      18101      462           538      Reliance Infocom Ltd Internet
       5668      450           582      CenturyTel Internet Holdings,
      17488      448           626      Hathway IP Over Cable Interne
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         7:1         8:65        9:1        12:1797     15:19     
        16:3        17:3        18:8        20:36       24:948      25:1      
        32:53       38:294      40:57       41:112      44:2        47:4      
        52:4        55:1        56:3        57:25       58:366      59:360    
        60:228      61:906      62:991      63:1968     64:3111     65:2314   
        66:3223     67:775      68:645      69:1785     70:490      71:111    
        72:1247     73:1        74:326      75:175      76:31       77:156    
        80:810      81:788      82:663      83:380      84:473      85:758    
        86:381      87:462      88:251      89:887      90:19       91:261    
        97:1       116:10      121:163     122:521     123:64      124:759    
       125:915     128:273     129:223     130:124     131:350     132:51     
       133:10      134:192     135:38      136:175     137:87      138:191    
       139:55      140:482     141:142     142:369     143:213     144:281    
       145:43      146:323     147:146     148:381     149:179     150:115    
       151:124     152:92      153:121     154:5       155:252     156:152    
       157:181     158:160     159:154     160:103     161:90      162:235    
       163:141     164:452     165:401     166:247     167:293     168:499    
       169:117     170:393     171:15      172:1       189:243     190:548    
       192:5741    193:3780    194:3076    195:2197    196:917     198:3749   
       199:3282    200:4651    201:1008    202:7250    203:7418    204:3948   
       205:2107    206:2413    207:2880    208:2615    209:3604    210:2387   
       211:933     212:1287    213:1423    214:406     215:39      216:3996   
       217:1167    218:355     219:301     220:896     221:390     222:269    
      
      
      End of report
      Report Website: http://thyme.apnic.net