[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
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at apnic dot net>
  • Date: Sat, 13 Aug 2005 04:06:36 +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
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 13 Aug, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              167995
          Prefixes after maximum aggregation:                           96653
          Unique aggregates announced to Internet:                      81488
      Total ASes present in the Internet Routing Table:                 20273
      Origin-only ASes present in the Internet Routing Table:           17669
      Origin ASes announcing only one prefix:                            8344
      Transit ASes present in the Internet Routing Table:                2604
      Transit-only ASes present in the Internet Routing Table:             74
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      26
      Prefixes from unregistered ASNs in the Routing Table:                23
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             13
      Number of addresses announced to Internet:                   1403683221
          Equivalent to 83 /8s, 170 /16s and 129 /24s
          Percentage of available address space announced:               37.9
          Percentage of allocated address space announced:               57.0
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       79603
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    34867
          Total APNIC prefixes after maximum aggregation:               15760
      Prefixes being announced from the APNIC address blocks:           32728
          Unique aggregates announced from the APNIC address blocks:    16456
      APNIC Region origin ASes present in the Internet Routing Table:    2330
      APNIC Region origin ASes announcing only one prefix:                689
      APNIC Region transit ASes present in the Internet Routing Table:    345
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              192817280
          Equivalent to 11 /8s, 126 /16s and 40 /24s
          Percentage of available APNIC address space announced:         71.6
      
      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, 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:                     89765
          Total ARIN prefixes after maximum aggregation:                54780
      Prefixes being announced from the ARIN address blocks:            70157
          Unique aggregates announced from the ARIN address blocks:     26041
      ARIN Region origin ASes present in the Internet Routing Table:    10138
      ARIN Region origin ASes announcing only one prefix:                3737
      ARIN Region transit ASes present in the Internet Routing Table:     940
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               257546005
          Equivalent to 15 /8s, 89 /16s and 215 /24s
          Percentage of available ARIN address space announced:          64.0
      
      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
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
                             198/7, 204/6, 208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     32477
          Total RIPE prefixes after maximum aggregation:                22163
      Prefixes being announced from the RIPE address blocks:            29468
          Unique aggregates announced from the RIPE address blocks:     19819
      RIPE Region origin ASes present in the Internet Routing Table:     6975
      RIPE Region origin ASes announcing only one prefix:                3684
      RIPE Region transit ASes present in the Internet Routing Table:    1147
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               214968064
          Equivalent to 12 /8s, 208 /16s and 39 /24s
          Percentage of available RIPE address space announced:          64.1
      
      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
      RIPE Address Blocks    62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    9205
          Total LACNIC prefixes after maximum aggregation:               3166
      Prefixes being announced from the LACNIC address blocks:           7562
          Unique aggregates announced from the LACNIC address blocks:    4381
      LACNIC Region origin ASes present in the Internet Routing Table:    631
      LACNIC Region origin ASes announcing only one prefix:               196
      LACNIC Region transit ASes present in the Internet Routing Table:   117
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        23
      Number of LACNIC addresses announced to Internet:              20834560
          Equivalent to 1 /8s, 61 /16s and 233 /24s
          Percentage of available LACNIC address space announced:        31.0
      
      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:                   1652
          Total AfriNIC prefixes after maximum aggregation:               784
      Prefixes being announced from the AfriNIC address blocks:          1012
          Unique aggregates announced from the AfriNIC address blocks:    777
      AfriNIC Region origin ASes present in the Internet Routing Table:   134
      AfriNIC Region origin ASes announcing only one prefix:               38
      AfriNIC Region transit ASes present in the Internet Routing Table:   16
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2358272
          Equivalent to 0 /8s, 35 /16s and 252 /24s
          Percentage of available AfriNIC address space announced:        7.0
      
      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      957       5524         194   CHINANET-BACKBONE
       1221      770       1327         528   Telstra Pty Ltd
       9583      750         77          14   Sify Limited
       4755      682        259          65   Videsh Sanchar Nigam Ltd. Aut
       4766      593       3413         279   Korea Telecom (KIX)
       7545      515        108          72   TPG Internet Pty Ltd
      17676      464       6723          99   Softbank BB Corp.
       9443      382         82          77   Primus Telecommunications
       9498      339         83          61   BHARTI BT INTERNET LTD.
       2907      337       1789         314   SINET Japan
       9929      337        224          46   China Netcom Corp.
      17557      327         23         153   Pakistan Telecom
       7474      317        273         218   SingTel Optus Pty Ltd
      17488      298         17          18   Hathway IP Over Cable Interne
       4802      295         53         159   Wantree Development
      18302      290         93         158   SK Global co., Ltd
       9837      277         79         180   Powertel Ltd
      17974      271         65          14   PT TELEKOMUNIKASI INDONESIA
        703      255        262         207   UUNET - Commercial IP service
       9800      250        390          64   CHINA UNICOM
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1510       6404         979   AT&T WorldNet Services
       4323     1144        704         221   Time Warner Telecom
        174     1126       5821        1036   Cogent Communications
        721     1085      21795         314   DLA Systems Automation Center
        701     1008       8155         857   UUNET Technologies, Inc. 
       6197      939        497         449   BellSouth Network Solutions, 
       2386      893        528         656   AT&T Data Communications Serv
       1239      868       2863         627   Sprint 
      18566      834        224           7   Covad Communications 
      20115      653        502         325   Charter Communications 
        209      617       3470         488   Qwest 
       3356      581      10695         445   Level 3 Communications, LLC 
      27364      554         44          18   Armstrong Cable Services 
       3602      550        125         106   Sprint Canada, Inc. 
       3561      533       2385         422   Savvis
      22773      514       1349          25   Cox Communications, Inc.
       5668      501        115          23   CenturyTel Internet Holdings,
       6198      468        396         224   BellSouth Network Solutions, 
       7132      452       4947         386   SBC Internet Services
        852      445       1093         384   Telus Advanced Communications
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      591       1999         482   UUNET - Commercial IP service
       3301      299       1081         285   TeliaNet Sweden
       3320      291       3232         240   Deutsche Telekom AG
       8220      263        474         259   COLT Telecommunications
        680      245       2041         241   DFN-IP service G-WiN
       3246      230        469         223   Song Networks
       8708      228        262         214   Romania Data Systems S.A.
       1257      197        712         175   SWIPnet Swedish IP Network
       5515      181        778         127   Sonera Solution Autonomous Sy
       6746      179         49         155   Dynamic Network Technologies,
       5400      177        289         149   BT Ignite European Backbone
        786      174       1794         174   The JANET IP Service
        719      169        340         100   LANLINK autonomous system
       3269      169       1518          71   TELECOM ITALIA
       8866      163         20           7   Bulgarian Telecommunication C
       9121      160        276          43   TTnet Autonomous System
       3300      155        184          89   AUCS Communications Services 
       6830      155        665          32   UPC Distribution Services
      25186      144        145         101   France Telecom Transpac's Tra
       8551      139        120          20   Bezeq International
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      380        599         160   UniNet S.A. de C.V. 
      16814      265         16           7   NSS, S.A. 
      11172      242         99          59   Servicios Alestra S.A de C.V 
       6147      192        110          21   Telefonica Del Peru 
      11664      185         20          23   Keytech SA 
      14117      152          9           5   Telefonica del Sur S.A. 
       7303      145         69          16   Telecom Argentina Stet-France
      19632      143         14           5   Metropolis Intercom S.A. 
      22047      143        112           7   VTR PUNTO NET S.A. 
      11556      131         64           3   Cable-Wireless Panama 
       6505      130         90          87   Global One Communicaoes Ltda 
      19169      120          8          26   Telconet 
      13999      113         52           9   Mega Cable S.A. de C.V. 
      18822      110          7          14   TELEFONICA MANQUEHUE 
      21826      102         13          19   INTERCABLE 
       5639      101         12           9   Telecommunications Services o
      10481      101         40           7   Prima S.A. 
       6503       98        146          72   AVANTEL, S.A. 
      11311       97          8          14   Sinectis S.A. 
      23216       95         24          20   RAMtelecom Telecomunicaciones
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      263        621         221   The Internet Solution 
       5536      123         16          14   Internet Egypt Network
       8452      103         32           7   TEDATA
       2018       96        295          87   Tertiary Education Network 
       2905       76        266          68   The Internetworking Company o
      20928       57         16           2   Noor Advanced Technologies AS
      24835       57         34           6   RAYA Telecom - Egypt
       6713       51         54           8   Itissalat Al-MAGHRIB
      15475       47         84           4   Nile Online
       9129       42          3           3   UUNET Kenya
       5713       40        148          31   Telkom SA Ltd 
      12455       37          6           3   Jambonet Autonomous system
      15706       31          8           3   Sudatel Internet Exchange Aut
       8524       24          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      10798       21          1          12   Standard Bank of South Africa
      23889       20          5           9   MAURITIUS TELECOM
      12258       17          3          11   Vodacom Internet Company 
      15808       17          2           2   Communication Solutions Ltd i
      21491       17          1           1   UTL On-line is RF broadband I
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1144         923      Time Warner Telecom
      18566       834         827      Covad Communications 
        721      1085         771      DLA Systems Automation Center
       4134       957         763      CHINANET-BACKBONE
       9583       750         736      Sify Limited
       4755       682         617      Videsh Sanchar Nigam Ltd. Aut
      27364       554         536      Armstrong Cable Services 
       6197       939         490      BellSouth Network Solutions, 
      22773       514         489      Cox Communications, Inc.
       5668       501         478      CenturyTel Internet Holdings,
       3602       550         444      Sprint Canada, Inc. 
       7545       515         443      TPG Internet Pty Ltd
      17676       464         365      Softbank BB Corp.
       6467       436         363      E.Spire Communications, Inc. 
      20115       653         328      Charter Communications 
      19262       443         324      Verizon Global Networks 
       4766       593         314      Korea Telecom (KIX)
      11492       315         309      Cable One 
       9443       382         305      Primus Telecommunications
       6140       415         293      ImpSat
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      65511   PRIVATE       65.77.145.0/24       16605       Aaro Broadband Wirel
      65511   PRIVATE       65.77.146.0/24       16605       Aaro Broadband Wirel
      65511   PRIVATE       65.77.147.0/24       16605       Aaro Broadband Wirel
      65511   PRIVATE       65.77.151.0/24       16605       Aaro Broadband Wirel
      65021   PRIVATE       128.216.1.0/24         619       Department of Navy 
      65021   PRIVATE       128.216.2.0/24         619       Department of Navy 
      65021   PRIVATE       128.216.3.0/24         619       Department of Navy 
      65021   PRIVATE       128.216.4.0/24         619       Department of Navy 
      65050   PRIVATE       168.96.148.0/24       6140       ImpSat
      65535   PRIVATE       168.96.250.0/27       3597       Asociacion Civil Cie
      65507   PRIVATE       200.0.64.0/24        27750       Cooperación Latino A
      65004   PRIVATE       200.0.113.0/24       28477       Universidad Autonoma
      65004   PRIVATE       200.4.0.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.1.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.2.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.3.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.4.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.5.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.6.0/24         28477       Universidad Autonoma
      64943   PRIVATE       202.41.14.0/24       24110       Security Mail Pty Lt
      64942   PRIVATE       202.41.15.0/24       24110       Security Mail Pty Lt
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      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
      172.32.0.0/24         7011     Citizens Utilities 
      192.43.230.0/24       7575     Australian Academic and Rease
      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 
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T WorldNet Services
      192.172.0.0/19         721     DLA Systems Automation Center
      192.200.100.0/24      7018     AT&T WorldNet Services
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:17       /9:3       /10:8       /11:16      /12:74      
      /13:169     /14:319     /15:607     /16:8472    /17:2682    /18:4561    
      /19:10588   /20:11590   /21:9648    /22:13037   /23:13916   /24:91250   
      /25:353     /26:314     /27:181     /28:50      /29:27      /30:77      
      /31:0       /32:36      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      818           834      Covad Communications 
       6197      766           939      BellSouth Network Solutions, 
       7018      713          1510      AT&T WorldNet Services
       2386      602           893      AT&T Data Communications Serv
       9583      567           750      Sify Limited
       4323      545          1144      Time Warner Telecom
      27364      545           554      Armstrong Cable Services 
       4766      411           593      Korea Telecom (KIX)
       5668      405           501      CenturyTel Internet Holdings,
        702      364           591      UUNET - Commercial IP service
      19916      363           370      OLM LLC 
       1239      361           868      Sprint 
       6198      343           468      BellSouth Network Solutions, 
       7011      332           384      Citizens Utilities 
      11492      307           315      Cable One 
       6517      299           321      Yipes Communications, Inc. 
      15270      298           322      PaeTec.net -a division of Pae
       6467      290           436      E.Spire Communications, Inc. 
      20115      283           653      Charter Communications 
      11456      276           314      Carolina Online, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:7         8:23       11:1        12:1560     13:1        15:9      
        16:2        17:3        18:3        20:5        24:961      30:2      
        32:70       33:1        38:140      40:56       44:4        47:2      
        52:4        55:2        56:3        57:23       58:149      59:60     
        60:107      61:730      62:685      63:1887     64:2831     65:2075   
        66:2897     67:584      68:572      69:1129     70:158      71:13     
        72:313      80:601      81:556      82:450      83:290      84:229    
        85:295      86:78       87:25      128:153     129:168     130:88     
       131:299     132:38      133:1       134:144     135:42      136:149    
       137:69      138:161     139:61      140:402     141:105     142:144    
       143:140     144:194     145:34      146:292     147:110     148:292    
       149:177     150:107     151:62      152:108     153:89      154:5      
       155:141     156:76      157:99      158:167     159:166     160:82     
       161:72      162:219     163:96      164:189     165:183     166:154    
       167:245     168:436     169:145     170:314     171:8       172:1      
       190:1       192:5749    193:3244    194:2416    195:1584    196:654    
       198:3881    199:3284    200:4106    201:234     202:5983    203:6399   
       204:3787    205:2033    206:2457    207:2832    208:2055    209:3355   
       210:1643    211:745     212:1258    213:1305    214:287     215:35     
       216:3623    217:1113    218:213     219:167     220:422     221:237    
       222:125    
      
      End of report