[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, 17 Sep 2005 04:06:49 +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 17 Sep, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              170386
          Prefixes after maximum aggregation:                           97174
          Unique aggregates announced to Internet:                      81546
      Total ASes present in the Internet Routing Table:                 20513
      Origin-only ASes present in the Internet Routing Table:           17842
      Origin ASes announcing only one prefix:                            8441
      Transit ASes present in the Internet Routing Table:                2671
      Transit-only ASes present in the Internet Routing Table:             71
      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:                26
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1424234304
          Equivalent to 84 /8s, 228 /16s and 23 /24s
          Percentage of available address space announced:               38.4
          Percentage of allocated address space announced:               57.9
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       81067
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    35251
          Total APNIC prefixes after maximum aggregation:               15514
      Prefixes being announced from the APNIC address blocks:           33121
          Unique aggregates announced from the APNIC address blocks:    15669
      APNIC Region origin ASes present in the Internet Routing Table:    2360
      APNIC Region origin ASes announcing only one prefix:                696
      APNIC Region transit ASes present in the Internet Routing Table:    360
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              199764992
          Equivalent to 11 /8s, 232 /16s and 44 /24s
          Percentage of available APNIC address space announced:         74.1
      
      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, 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:                     90936
          Total ARIN prefixes after maximum aggregation:                55234
      Prefixes being announced from the ARIN address blocks:            71100
          Unique aggregates announced from the ARIN address blocks:     26179
      ARIN Region origin ASes present in the Internet Routing Table:    10223
      ARIN Region origin ASes announcing only one prefix:                3772
      ARIN Region transit ASes present in the Internet Routing Table:     955
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               268101888
          Equivalent to 15 /8s, 250 /16s and 233 /24s
          Percentage of available ARIN address space announced:          66.6
      
      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
      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:                     32911
          Total RIPE prefixes after maximum aggregation:                22417
      Prefixes being announced from the RIPE address blocks:            29968
          Unique aggregates announced from the RIPE address blocks:     20184
      RIPE Region origin ASes present in the Internet Routing Table:     7092
      RIPE Region origin ASes announcing only one prefix:                3732
      RIPE Region transit ASes present in the Internet Routing Table:    1184
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               217836160
          Equivalent to 12 /8s, 251 /16s and 234 /24s
          Percentage of available RIPE address space announced:          64.9
      
      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
      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:                    9520
          Total LACNIC prefixes after maximum aggregation:               3197
      Prefixes being announced from the LACNIC address blocks:           7876
          Unique aggregates announced from the LACNIC address blocks:    4588
      LACNIC Region origin ASes present in the Internet Routing Table:    636
      LACNIC Region origin ASes announcing only one prefix:               199
      LACNIC Region transit ASes present in the Internet Routing Table:   121
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              22039808
          Equivalent to 1 /8s, 80 /16s and 77 /24s
          Percentage of available LACNIC address space announced:        32.8
      
      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:                   1738
          Total AfriNIC prefixes after maximum aggregation:               812
      Prefixes being announced from the AfriNIC address blocks:          1056
          Unique aggregates announced from the AfriNIC address blocks:    799
      AfriNIC Region origin ASes present in the Internet Routing Table:   139
      AfriNIC Region origin ASes announcing only one prefix:               42
      AfriNIC Region transit ASes present in the Internet Routing Table:   18
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2660608
          Equivalent to 0 /8s, 40 /16s and 153 /24s
          Percentage of available AfriNIC address space announced:        7.9
      
      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      965       5948         201   CHINANET-BACKBONE
       9583      788         77          14   Sify Limited
       1221      745       1328         514   Telstra Pty Ltd
       4755      713        259          63   Videsh Sanchar Nigam Ltd. Aut
       4766      608       3927         287   Korea Telecom (KIX)
       7545      516        108          73   TPG Internet Pty Ltd
      17676      468       6787         101   Softbank BB Corp.
       9443      386         84          79   Primus Telecommunications
       9498      337        147          59   BHARTI BT INTERNET LTD.
       9929      335        224          46   China Netcom Corp.
       2907      332       1756         309   SINET Japan
      17557      328         23         156   Pakistan Telecom
      17488      320         19           8   Hathway IP Over Cable Interne
       7474      314        257         217   SingTel Optus Pty Ltd
       4802      301         60         152   Wantree Development
      18302      294        109         154   SK Global co., Ltd
       9837      278         80         179   Powertel Ltd
      17974      272         65          14   PT TELEKOMUNIKASI INDONESIA
        703      254        263         206   UUNET - Commercial IP service
       9800      251        394          66   CHINA UNICOM
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1500       6374         981   AT&T WorldNet Services
       4323     1173        706         229   Time Warner Telecom
        721     1083      21922         310   DLA Systems Automation Center
        174     1082       5851        1014   Cogent Communications
        701      999       8120         841   UUNET Technologies, Inc. 
       6197      940        389         480   BellSouth Network Solutions, 
       2386      915        515         677   AT&T Data Communications Serv
       1239      867       2852         611   Sprint 
      18566      848        225          23   Covad Communications 
      20115      647        509         327   Charter Communications 
        209      628       3441         494   Qwest 
       3356      576      10661         445   Level 3 Communications, LLC 
       3602      557        131         110   Sprint Canada, Inc. 
      27364      554         44          18   Armstrong Cable Services 
       3561      541       2409         421   Savvis
      22773      529       1352          28   Cox Communications, Inc.
       5668      495        115          23   CenturyTel Internet Holdings,
       6198      472        417         228   BellSouth Network Solutions, 
       7132      462       4949         395   SBC Internet Services
      19262      453       1374         121   Verizon Global Networks 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      593       1994         480   UUNET - Commercial IP service
       3301      300       1081         286   TeliaNet Sweden
       3320      291       3230         241   Deutsche Telekom AG
       8220      266        474         261   COLT Telecommunications
        680      244       2040         240   DFN-IP service G-WiN
       8708      236        262         216   Romania Data Systems S.A.
       3246      229        476         222   Song Networks
       9121      200        292          40   TTnet Autonomous System
       1257      195        712         173   SWIPnet Swedish IP Network
       6746      184         50         160   Dynamic Network Technologies,
       5515      181        778         127   Sonera Solution Autonomous Sy
       3269      176       1606          69   TELECOM ITALIA
        786      174       1795         174   The JANET IP Service
       5400      168        289         141   BT Ignite European Backbone
       8866      167         37           9   Bulgarian Telecommunication C
       6830      157        669          33   UPC Distribution Services
       3300      156        185          91   AUCS Communications Services 
      25186      143        145         100   France Telecom Transpac's Tra
      24863      138         37           6   LINKdotNET AS number
       3215      136       1165          80   France Telecom Transpac
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      397        650         168   UniNet S.A. de C.V. 
      16814      298         18           7   NSS, S.A. 
      11172      248         83          60   Servicios Alestra S.A de C.V 
       6147      191        118          21   Telefonica Del Peru 
      11664      191         20          24   Keytech SA 
      19632      183         14           5   Metropolis Intercom S.A. 
      22047      172        128           7   VTR PUNTO NET S.A. 
      14117      153         10           5   Telefonica del Sur S.A. 
       7303      148         70          13   Telecom Argentina Stet-France
      11556      129         64           2   Cable-Wireless Panama 
       6505      121         89          85   Global One Communicaoes Ltda 
      10481      120         48           8   Prima S.A. 
      19169      120          8          28   Telconet 
      13999      116         52           9   Mega Cable S.A. de C.V. 
       6503      114        148          75   AVANTEL, S.A. 
      18822      111          7          15   TELEFONICA MANQUEHUE 
      21826      104         13          15   INTERCABLE 
       5639      103         12           9   Telecommunications Services o
      11311       97          8          14   Sinectis S.A. 
      23216       96         24          19   RAMtelecom Telecomunicaciones
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      266        708         223   The Internet Solution 
       5536      123          8          12   Internet Egypt Network
       8452      106         32           7   TEDATA
       2018       96        295          87   Tertiary Education Network 
      15475       92         84           4   Nile Online
       2905       77        210          69   The Internetworking Company o
      20928       59         16           2   Noor Advanced Technologies AS
      24835       58         34           7   RAYA Telecom - Egypt
       6713       51         54           8   Itissalat Al-MAGHRIB
       5713       38        149          33   Telkom SA Ltd 
      12455       36          6           3   Jambonet Autonomous system
      15706       31          8           3   Sudatel Internet Exchange Aut
      33774       30          4          20   AS Number for Telecom Algeria
       8524       24          1           4   AUCEGYPT Autonomous System
      23889       23          5           9   MAURITIUS TELECOM
      16637       22         10          19   Johnnic e-Ventures 
      21280       22          4           5   Swift Global Kenya Ltd.Is an 
      10798       21          1          12   Standard Bank of South Africa
      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      1173         944      Time Warner Telecom
      18566       848         825      Covad Communications 
       9583       788         774      Sify Limited
        721      1083         773      DLA Systems Automation Center
       4134       965         764      CHINANET-BACKBONE
       4755       713         650      Videsh Sanchar Nigam Ltd. Aut
      27364       554         536      Armstrong Cable Services 
      22773       529         501      Cox Communications, Inc.
       5668       495         472      CenturyTel Internet Holdings,
       6197       940         460      BellSouth Network Solutions, 
       3602       557         447      Sprint Canada, Inc. 
       7545       516         443      TPG Internet Pty Ltd
      17676       468         367      Softbank BB Corp.
       6467       399         349      E.Spire Communications, Inc. 
      19262       453         332      Verizon Global Networks 
      11492       335         327      Cable One 
       4766       608         321      Korea Telecom (KIX)
      20115       647         320      Charter Communications 
      17488       320         312      Hathway IP Over Cable Interne
      15270       337         310      PaeTec.net -a division of Pae
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65506   PRIVATE       64.151.117.0/24      26228       ServePath, LLC 
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      65511   PRIVATE       65.77.145.0/24       16605       Aaro Broadband Wirel
      65205   PRIVATE       152.163.5.0/24        2056       America Online 
      65111   PRIVATE       194.165.131.0/24      8697       Jordan Telecommunica
      65430   PRIVATE       196.44.128.0/19      20459       Telecom Namibia 
      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
      24413   UNALLOCATED   202.46.32.0/19       17623       China Netcom Corp.
      65500   PRIVATE       202.93.233.0/24       4795       INDOSATNET-ASN
      65500   PRIVATE       202.93.234.0/24       4795       INDOSATNET-ASN
      65500   PRIVATE       202.93.235.0/24       4795       INDOSATNET-ASN
      65500   PRIVATE       202.93.236.0/24       4795       INDOSATNET-ASN
      65500   PRIVATE       202.93.237.0/24       4795       INDOSATNET-ASN
      65500   PRIVATE       202.93.238.0/24       4795       INDOSATNET-ASN
      18428   UNALLOCATED   203.91.0.0/24         9505       Taiwan Internet Gate
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      65500   PRIVATE       211.158.36.0/22      23851       Chongqing Broadband 
      65500   PRIVATE       211.158.40.0/22      23851       Chongqing Broadband 
      65500   PRIVATE       211.158.44.0/22      23851       Chongqing Broadband 
      
      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
      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        /8:18       /9:5       /10:8       /11:17      /12:80      
      /13:175     /14:323     /15:627     /16:8522    /17:2742    /18:4675    
      /19:10744   /20:11804   /21:9854    /22:13211   /23:14085   /24:92579   
      /25:325     /26:271     /27:169     /28:45      /29:14      /30:60      
      /31:3       /32:30      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      833           848      Covad Communications 
       6197      769           940      BellSouth Network Solutions, 
       7018      710          1500      AT&T WorldNet Services
       2386      626           915      AT&T Data Communications Serv
       9583      611           788      Sify Limited
       4323      561          1173      Time Warner Telecom
      27364      545           554      Armstrong Cable Services 
       4766      425           608      Korea Telecom (KIX)
       5668      403           495      CenturyTel Internet Holdings,
        702      369           593      UUNET - Commercial IP service
       1239      369           867      Sprint 
       7011      368           423      Citizens Utilities 
      19916      363           369      OLM LLC 
       6198      345           472      BellSouth Network Solutions, 
      11492      327           335      Cable One 
       6517      310           336      Yipes Communications, Inc. 
      15270      307           337      PaeTec.net -a division of Pae
        701      285           999      UUNET Technologies, Inc. 
      18302      279           294      SK Global co., Ltd
      20115      270           647      Charter Communications 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:23       12:1589     13:1        15:10       16:2      
        17:3        18:3        20:21       24:1070     30:3        32:61     
        38:149      40:55       44:4        47:2        52:4        55:1      
        56:3        57:23       58:156      59:68       60:122      61:726    
        62:759      63:1890     64:2875     65:2076     66:2910     67:614    
        68:612      69:1225     70:185      71:17       72:382      80:602    
        81:552      82:469      83:307      84:245      85:306      86:110    
        87:16      125:1       128:158     129:167     130:94      131:293    
       132:36      133:1       134:145     135:43      136:151     137:66     
       138:164     139:62      140:429     141:105     142:145     143:141    
       144:217     145:34      146:295     147:118     148:302     149:182    
       150:107     151:71      152:112     153:93      154:5       155:147    
       156:80      157:112     158:164     159:170     160:85      161:73     
       162:231     163:135     164:183     165:183     166:155     167:243    
       168:438     169:142     170:320     171:8       190:1       192:5709   
       193:3295    194:2402    195:1552    196:677     198:3881    199:3296   
       200:4179    201:327     202:6102    203:6384    204:3797    205:2069   
       206:2451    207:2821    208:2040    209:3355    210:1655    211:794    
       212:1214    213:1357    214:296     215:36      216:3669    217:1120   
       218:220     219:138     220:479     221:276     222:126    
      
      End of report