[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, 16 Jul 2005 04:06:51 +1000 (EST)
  • Cc:
  • List-archive: <http://www.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • 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 16 Jul, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              166896
          Prefixes after maximum aggregation:                           96467
          Unique aggregates announced to Internet:                      81009
      Total ASes present in the Internet Routing Table:                 20080
      Origin-only ASes present in the Internet Routing Table:           17496
      Origin ASes announcing only one prefix:                            8218
      Transit ASes present in the Internet Routing Table:                2584
      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:                18
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             15
      Number of addresses announced to Internet:                   1394583136
          Equivalent to 83 /8s, 31 /16s and 166 /24s
          Percentage of available address space announced:               37.6
          Percentage of allocated address space announced:               56.7
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       79203
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    34754
          Total APNIC prefixes after maximum aggregation:               16139
      Prefixes being announced from the APNIC address blocks:           32622
          Unique aggregates announced from the APNIC address blocks:    16618
      APNIC Region origin ASes present in the Internet Routing Table:    2313
      APNIC Region origin ASes announcing only one prefix:                673
      APNIC Region transit ASes present in the Internet Routing Table:    356
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              190697344
          Equivalent to 11 /8s, 93 /16s and 207 /24s
          Percentage of available APNIC address space announced:         70.8
      
      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:                     89316
          Total ARIN prefixes after maximum aggregation:                54483
      Prefixes being announced from the ARIN address blocks:            69778
          Unique aggregates announced from the ARIN address blocks:     25819
      ARIN Region origin ASes present in the Internet Routing Table:    10085
      ARIN Region origin ASes announcing only one prefix:                3711
      ARIN Region transit ASes present in the Internet Routing Table:     939
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               252904960
          Equivalent to 15 /8s, 19 /16s and 6 /24s
          Percentage of available ARIN address space announced:          62.8
      
      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:                     32031
          Total RIPE prefixes after maximum aggregation:                21901
      Prefixes being announced from the RIPE address blocks:            29041
          Unique aggregates announced from the RIPE address blocks:     19493
      RIPE Region origin ASes present in the Internet Routing Table:     6859
      RIPE Region origin ASes announcing only one prefix:                3609
      RIPE Region transit ASes present in the Internet Routing Table:    1126
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               211826880
          Equivalent to 12 /8s, 160 /16s and 56 /24s
          Percentage of available RIPE address space announced:          63.1
      
      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:                    9130
          Total LACNIC prefixes after maximum aggregation:               3170
      Prefixes being announced from the LACNIC address blocks:           7483
          Unique aggregates announced from the LACNIC address blocks:    4338
      LACNIC Region origin ASes present in the Internet Routing Table:    624
      LACNIC Region origin ASes announcing only one prefix:               188
      LACNIC Region transit ASes present in the Internet Routing Table:   116
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              20440864
          Equivalent to 1 /8s, 55 /16s and 231 /24s
          Percentage of available LACNIC address space announced:        30.5
      
      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:                   1641
          Total AfriNIC prefixes after maximum aggregation:               774
      Prefixes being announced from the AfriNIC address blocks:          1025
          Unique aggregates announced from the AfriNIC address blocks:    789
      AfriNIC Region origin ASes present in the Internet Routing Table:   131
      AfriNIC Region origin ASes announcing only one prefix:               37
      AfriNIC Region transit ASes present in the Internet Routing Table:   16
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2327296
          Equivalent to 0 /8s, 35 /16s and 131 /24s
          Percentage of available AfriNIC address space announced:        6.9
      
      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      927       5566         194   CHINANET-BACKBONE
       9583      762         57          86   Sify Limited
       1221      759       1454         534   Telstra Pty Ltd
       4755      659        248         147   Videsh Sanchar Nigam Ltd. Aut
       4766      591       3413         279   Korea Telecom (KIX)
       7545      508        106          74   TPG Internet Pty Ltd
      17676      437       6590          76   Softbank BB Corp.
       9443      375         78          76   Primus Telecommunications
       9929      367        223          49   China Netcom Corp.
       2907      337       1789         314   SINET Japan
       9498      336         83          61   BHARTI BT INTERNET LTD.
      17557      327         23         154   Pakistan Telecom
       7474      309        272         213   SingTel Optus Pty Ltd
       4802      288         50         165   Wantree Development
       4808      283        243         166   CNCGROUP IP network: China169
       9837      279         80         183   Powertel Ltd
      10036      278         59         244   C&M Communication Co. Ltd.
      18302      276        109         156   SK Global co., Ltd
      17974      270         65          14   PT TELEKOMUNIKASI INDONESIA
      17488      264         15          18   Hathway IP Over Cable Interne
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1499       6417         973   AT&T WorldNet Services
        174     1140       5808        1061   Cogent Communications
       4323     1131        664         222   Time Warner Telecom
        721     1096      21787         311   DLA Systems Automation Center
        701     1014       8168         857   UUNET Technologies, Inc. 
       6197      939        522         433   BellSouth Network Solutions, 
       2386      896        529         661   AT&T Data Communications Serv
       1239      885       2876         637   Sprint 
      18566      827        224           7   Covad Communications 
      20115      649        498         320   Charter Communications 
        209      626       3507         496   Qwest 
       3356      565      10779         434   Level 3 Communications, LLC 
      27364      554         44          18   Armstrong Cable Services 
       3602      544        123         104   Sprint Canada, Inc. 
        852      542       1094         388   Telus Advanced Communications
       3561      537       2384         421   Savvis
       7725      505         64          17   MediaOne 
      22773      502       1188          23   Cox Communications, Inc.
       5668      493        114          25   CenturyTel Internet Holdings,
       6198      466        396         224   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      592       1999         483   UUNET - Commercial IP service
       3320      303       3232         242   Deutsche Telekom AG
       3301      300       1081         286   TeliaNet Sweden
       8220      265        472         261   COLT Telecommunications
        680      245       2041         241   DFN-IP service G-WiN
       3246      230        469         223   Song Networks
       8708      224        253         210   Romania Data Systems S.A.
       1257      194        712         172   SWIPnet Swedish IP Network
       5515      180        778         127   Sonera Solution Autonomous Sy
        786      175       1794         175   The JANET IP Service
       5400      173        286         146   BT Ignite European Backbone
       6746      173         49         151   Dynamic Network Technologies,
       3269      169       1520          72   TELECOM ITALIA
        719      168        340         100   LANLINK autonomous system
       8866      162         21          11   Bulgarian Telecommunication C
       3300      153        184          86   AUCS Communications Services 
       6830      149        537          31   UPC Distribution Services
       9121      148        271          34   TTnet Autonomous System
      25186      142        145          99   France Telecom Transpac's Tra
       3352      139       1272          35   Ibernet, Internet Access Netw
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      379        599         159   UniNet S.A. de C.V. 
      16814      265         16           7   NSS, S.A. 
      11172      232         99          59   Servicios Alestra S.A de C.V 
      11664      210         20          22   Keytech SA 
       6147      190        110          21   Telefonica Del Peru 
      14117      152          9           5   Telefonica del Sur S.A. 
       7303      150         69          18   Telecom Argentina Stet-France
      19632      142         14           5   Metropolis Intercom S.A. 
      22047      132        112           7   VTR PUNTO NET S.A. 
      11556      131         64           3   Cable-Wireless Panama 
       6505      130         90          87   Global One Communicaoes Ltda 
       6503      115        147          73   AVANTEL, S.A. 
      19169      115          7          22   Telconet 
      13999      111         52           9   Mega Cable S.A. de C.V. 
      18822      110          7          14   TELEFONICA MANQUEHUE 
      10481      101         40           7   Prima S.A. 
      23216       99         24          23   RAMtelecom Telecomunicaciones
       5639       96         12           9   Telecommunications Services o
      22927       96         73          25   TELEFONICA DE ARGENTINA 
      21826       95         13          20   INTERCABLE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      264        621         222   The Internet Solution 
       5536      120         15          17   Internet Egypt Network
       2018       95        295          86   Tertiary Education Network 
       8452       92         28           6   TEDATA
       2905       75        266          67   The Internetworking Company o
      24835       57         34           6   RAYA Telecom - Egypt
       6713       51         54           8   Itissalat Al-MAGHRIB
      15475       49         84           4   Nile Online
      20928       46         16           2   Noor Advanced Technologies AS
       9129       43          3           3   UUNET Kenya
      12455       38          6           3   Jambonet Autonomous system
       5713       36        142          29   Telkom SA Ltd 
      15706       31          8           3   Sudatel Internet Exchange Aut
       8524       25          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      23889       20          5           9   MAURITIUS TELECOM
      10798       19          1          11   Standard Bank of South Africa
      21491       18          1           1   UTL On-line is RF broadband I
      12258       17          3          11   Vodacom Internet Company 
      15808       17          2           2   Communication Solutions Ltd i
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1131         909      Time Warner Telecom
      18566       827         820      Covad Communications 
        721      1096         785      DLA Systems Automation Center
       4134       927         733      CHINANET-BACKBONE
       9583       762         676      Sify Limited
      27364       554         536      Armstrong Cable Services 
       4755       659         512      Videsh Sanchar Nigam Ltd. Aut
       6197       939         506      BellSouth Network Solutions, 
       7725       505         488      MediaOne 
      22773       502         479      Cox Communications, Inc.
       5668       493         468      CenturyTel Internet Holdings,
       3602       544         440      Sprint Canada, Inc. 
       7545       508         434      TPG Internet Pty Ltd
      17676       437         361      Softbank BB Corp.
       6467       381         347      E.Spire Communications, Inc. 
      20115       649         329      Charter Communications 
       9929       367         318      China Netcom Corp.
       4766       591         312      Korea Telecom (KIX)
      19262       431         312      Verizon Global Networks 
       9443       375         299      Primus Telecommunications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65050   PRIVATE       168.96.148.0/24       6140       ImpSat
      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
      65004   PRIVATE       200.4.7.0/24         28477       Universidad Autonoma
      65142   PRIVATE       200.32.76.0/24        6140       ImpSat
      65142   PRIVATE       200.32.77.0/24        6140       ImpSat
      64512   PRIVATE       200.61.48.0/20       11664       Keytech SA 
      64512   PRIVATE       200.61.58.0/23       11664       Keytech SA 
      64512   PRIVATE       200.80.148.0/23      11664       Keytech SA 
      65201   PRIVATE       201.30.243.0/24       4230       Embratel 
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      50.160.0.0/13         1221     Telstra Pty Ltd
      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
      192.169.0.0/23        3970     RGnet, Inc. 
      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       /11:15      /12:75      
      /13:162     /14:313     /15:602     /16:8440    /17:2637    /18:4526    
      /19:10487   /20:11409   /21:9463    /22:12925   /23:13874   /24:90893   
      /25:361     /26:311     /27:182     /28:59      /29:27      /30:79      
      /31:0       /32:28      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      811           827      Covad Communications 
       6197      765           939      BellSouth Network Solutions, 
       7018      708          1499      AT&T WorldNet Services
       2386      610           896      AT&T Data Communications Serv
       9583      579           762      Sify Limited
      27364      545           554      Armstrong Cable Services 
       4323      536          1131      Time Warner Telecom
       7725      475           505      MediaOne 
       4766      409           591      Korea Telecom (KIX)
       5668      401           493      CenturyTel Internet Holdings,
       1239      371           885      Sprint 
        702      365           592      UUNET - Commercial IP service
       6198      341           466      BellSouth Network Solutions, 
       7011      324           375      Citizens Utilities 
      15270      296           321      PaeTec.net -a division of Pae
       6517      291           314      Yipes Communications, Inc. 
       9929      282           367      China Netcom Corp.
      20115      281           649      Charter Communications 
      11456      274           313      Carolina Online, Inc. 
        701      268          1014      UUNET Technologies, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:6         8:23        9:1        12:1553     13:1        15:9      
        16:2        17:3        18:3        20:4        24:1178     30:2      
        32:69       33:3        38:137      40:54       44:3        47:2      
        52:4        55:2        56:3        57:23       58:151      59:51     
        60:64       61:779      62:625      63:1888     64:2782     65:2076   
        66:2905     67:623      68:552      69:1101     70:145      71:10     
        72:268      80:595      81:571      82:431      83:287      84:213    
        85:283      86:57       87:17      128:179     129:169     130:88     
       131:294     132:41      133:1       134:145     135:43      136:137    
       137:74      138:166     139:60      140:300     141:106     142:153    
       143:139     144:201     145:33      146:289     147:109     148:305    
       149:175     150:107     151:65      152:108     153:88      154:4      
       155:142     156:78      157:100     158:160     159:169     160:78     
       161:71      162:217     163:93      164:195     165:187     166:157    
       167:245     168:437     169:146     170:320     171:8       172:1      
       190:1       192:5704    193:3212    194:2428    195:1589    196:673    
       198:3900    199:3287    200:4049    201:205     202:5905    203:6395   
       204:3797    205:2010    206:2446    207:2808    208:2047    209:3291   
       210:1759    211:832     212:1254    213:1334    214:267     215:31     
       216:3494    217:1126    218:206     219:153     220:394     221:234    
       222:120    
      
      End of report