[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, 2 Apr 2005 04:10:30 +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 02 Apr, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              158858
          Prefixes after maximum aggregation:                           92606
          Unique aggregates announced to Internet:                      76314
      Total ASes present in the Internet Routing Table:                 19277
      Origin-only ASes present in the Internet Routing Table:           16774
      Origin ASes announcing only one prefix:                            7827
      Transit ASes present in the Internet Routing Table:                2503
      Transit-only ASes present in the Internet Routing Table:             68
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      23
      Prefixes from unregistered ASNs in the Routing Table:                31
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             13
      Number of addresses announced to Internet:                   1394234240
          Equivalent to 83 /8s, 26 /16s and 83 /24s
          Percentage of available address space announced:               37.6
          Percentage of allocated address space announced:               59.1
          Percentage of available address space allocated:               63.7
      Total number of prefixes smaller than registry allocations:       74106
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    32310
          Total APNIC prefixes after maximum aggregation:               15324
      Prefixes being announced from the APNIC address blocks:           30240
          Unique aggregates announced from the APNIC address blocks:    15312
      APNIC Region origin ASes present in the Internet Routing Table:    2239
      APNIC Region origin ASes announcing only one prefix:                653
      APNIC Region transit ASes present in the Internet Routing Table:    338
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              180060544
          Equivalent to 10 /8s, 187 /16s and 129 /24s
          Percentage of available APNIC address space announced:         66.8
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
                             23552-24575
      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:                     86512
          Total ARIN prefixes after maximum aggregation:                52745
      Prefixes being announced from the ARIN address blocks:            67502
          Unique aggregates announced from the ARIN address blocks:     24656
      ARIN Region origin ASes present in the Internet Routing Table:     9794
      ARIN Region origin ASes announcing only one prefix:                3550
      ARIN Region transit ASes present in the Internet Routing Table:     926
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               243382272
          Equivalent to 14 /8s, 129 /16s and 184 /24s
          Percentage of available ARIN address space announced:          69.1
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
                             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
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/6, 198/7, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     30109
          Total RIPE prefixes after maximum aggregation:                20838
      Prefixes being announced from the RIPE address blocks:            27161
          Unique aggregates announced from the RIPE address blocks:     18075
      RIPE Region origin ASes present in the Internet Routing Table:     6476
      RIPE Region origin ASes announcing only one prefix:                3412
      RIPE Region transit ASes present in the Internet Routing Table:    1083
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          23
      Number of RIPE addresses announced to Internet:               199895488
          Equivalent to 11 /8s, 234 /16s and 41 /24s
          Percentage of available RIPE address space announced:          70.1
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
                             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, 88/8, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    8480
          Total LACNIC prefixes after maximum aggregation:               2996
      Prefixes being announced from the LACNIC address blocks:           6881
          Unique aggregates announced from the LACNIC address blocks:    4000
      LACNIC Region origin ASes present in the Internet Routing Table:    610
      LACNIC Region origin ASes announcing only one prefix:               188
      LACNIC Region transit ASes present in the Internet Routing Table:   109
      Average LACNIC Region AS path length visible:                       5.1
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              18006016
          Equivalent to 1 /8s, 18 /16s and 192 /24s
          Percentage of available LACNIC address space announced:        53.7
      
      LACNIC AS Blocks       26592-26623, 27648-28671
      LACNIC Address Blocks  200/7
      
      Emerging AfriNIC Region Analysis Summary
      ----------------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1411
          Total AfriNIC prefixes after maximum aggregation:               703
      Prefixes being announced from the AfriNIC address blocks:           907
          Unique aggregates announced from the AfriNIC address blocks:    729
      AfriNIC Region origin ASes present in the Internet Routing Table:    98
      AfriNIC Region origin ASes announcing only one prefix:               24
      AfriNIC Region transit ASes present in the Internet Routing Table:   14
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2190592
          Equivalent to 0 /8s, 33 /16s and 109 /24s
          Percentage of available AfriNIC address space announced:       13.1
      
      AfriNIC AS Blocks      <none>
      AfriNIC Address Blocks 196/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4134      897       4843         180   CHINANET-BACKBONE
       1221      783       1189         556   Telstra Pty Ltd
       9583      691         51          41   Sify Limited
       4766      586       3415         275   Korea Telecom (KIX)
       4755      521        243         114   Videsh Sanchar Nigam Ltd. Aut
       7545      469         86          69   TPG Internet Pty Ltd
      17676      427       6460          72   Softbank BB Corp.
       9443      370         77          76   Primus Telecommunications
       9929      358        175          45   China Netcom Corp.
       2907      342       1822         318   SINET Japan
      17557      341         24         159   Pakistan Telecom
      10036      306         28         279   C&M Communication Co. Ltd.
       4808      302        248         163   CNCGROUP IP network: China169
       7474      294        268         213   SingTel Optus Pty Ltd
       4802      283         47         167   Wantree Development
       9498      262         82          53   BHARTI BT INTERNET LTD.
       2764      253        238         202   AAPT Limited
        703      251        279         206   UUNET - Commercial IP service
       9800      235        386          69   CHINA UNICOM
      17974      235         63          12   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1483       6562         973   AT&T WorldNet Services
        721     1121      21763         314   DLA Systems Automation Center
       4323     1091        663         222   Time Warner Telecom
        701     1010       8282         860   UUNET Technologies, Inc. 
        174      995       5577         846   Cogent Communications
       1239      908       2865         657   Sprint 
       6197      883        384         412   BellSouth Network Solutions, 
       2386      835        500         617   AT&T Data Communications Serv
      18566      780        208           6   Covad Communications 
        209      646       3475         501   Qwest 
      20115      597        494         309   Charter Communications 
       3356      583      10852         431   Level 3 Communications, LLC 
       3561      539       2368         414   Savvis
        852      538       1095         397   Telus Advanced Communications
       6478      515        836         116   AT&T Worldnet Services 
       3602      507        121          93   Sprint Canada, Inc. 
       5668      477        115          25   CenturyTel Internet Holdings,
      22773      475       1188          21   Cox Communications, Inc.
       6198      469        541         199   BellSouth Network Solutions, 
      27364      464         43          18   Armstrong Cable Services 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      604       2003         494   UUNET - Commercial IP service
       3320      302       2993         236   Deutsche Telekom AG
       3301      297       1117         287   TeliaNet Sweden
       8220      277        468         271   COLT Telecommunications
        680      254       2041         239   DFN-IP service G-WiN
       3246      232        476         226   Song Networks
       8708      227        251         206   Romania Data Systems S.A.
       1257      201        712         177   SWIPnet Swedish IP Network
       5515      178        778         128   Sonera Solution Autonomous Sy
        786      176       1794         176   The JANET IP Service
       3269      167       1472          73   TELECOM ITALIA
       8866      166         21          12   Bulgarian Telecommunication C
       6746      162         47         142   Dynamic Network Technologies,
        719      157        322          99   LANLINK autonomous system
       3300      153        184          86   AUCS Communications Services 
       5400      144        281         127   BT Ignite European Backbone
      25186      139        137          97   France Telecom Transpac's Tra
       6830      137        513          27   UPC Distribution Services
       9051      128          8          34   INCONET Autonomous System
       2856      126       2304         113   BTnet UK Regional network
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      350        527         146   UniNet S.A. de C.V. 
      16814      233         14           6   NSS, S.A. 
      11172      214         99          52   Servicios Alestra S.A de C.V 
       6147      205        102          20   Telefonica Del Peru 
      19632      190         14           7   Metropolis Intercom S.A. 
      11664      151         19          23   Keytech SA 
       7303      148         67          28   Telecom Argentina Stet-France
       6505      131         90          87   Global One Communicaoes Ltda 
      14117      119          8           4   Telefonica del Sur S.A. 
      22047      116         96           6   VTR PUNTO NET S.A. 
       6503      106        146          75   AVANTEL, S.A. 
      18822      103          6          15   TELEFONICA MANQUEHUE 
      11556       99         49           5   Cable-Wireless Panama 
      13999       98         52           9   Mega Cable S.A. de C.V. 
      19169       94          6          16   Telconet 
      23216       87         24          23   RAMtelecom Telecomunicaciones
      11311       85          8          21   Sinectis S.A. 
       5639       84         12           9   Telecommunications Services o
      10481       82         32           7   Prima S.A. 
       4270       79         18           9   Red de Interconexion Universi
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      268        635         225   The Internet Solution 
       5536      116         15          19   Internet Egypt Network
      20928       91         16           2   Noor Advanced Technologies AS
       2018       90        295          87   Tertiary Education Network 
       2905       74        266          68   The Internetworking Company o
       8452       57         20           5   TEDATA
      24835       55         34           6   RAYA Telecom - Egypt
      12455       41          7           4   Jambonet Autonomous system
       9129       40          3           2   UUNET Kenya
       6713       37         54           9   Itissalat Al-MAGHRIB
       5713       35        141          28   Telkom SA Ltd 
       8524       24          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      15475       20         84           4   Nile Online
      10798       19          1          11   Standard Bank of South Africa
       7460       18          3           5   LIA Internet Access 
      12258       17          3          11   Vodacom Internet Company 
      21280       17          2           3   Swift Global Kenya Ltd.Is an 
      15808       16          1           1   Communication Solutions Ltd i
      21491       16          1           3   UTL On-line is RF broadband I
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
          0         0       65531      *
       4323      1091         869      Time Warner Telecom
        721      1121         807      DLA Systems Automation Center
      18566       780         774      Covad Communications 
       4134       897         717      CHINANET-BACKBONE
       9583       691         650      Sify Limited
       6197       883         471      BellSouth Network Solutions, 
      22773       475         454      Cox Communications, Inc.
       5668       477         452      CenturyTel Internet Holdings,
      27364       464         446      Armstrong Cable Services 
       3602       507         414      Sprint Canada, Inc. 
       4755       521         407      Videsh Sanchar Nigam Ltd. Aut
       7545       469         400      TPG Internet Pty Ltd
       6478       515         399      AT&T Worldnet Services 
       6467       423         388      E.Spire Communications, Inc. 
      17676       427         355      Softbank BB Corp.
       9929       358         313      China Netcom Corp.
       6140       383         312      ImpSat
       4766       586         311      Korea Telecom (KIX)
       9443       370         294      Primus Telecommunications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      35864   UNALLOCATED   38.117.202.0/24        174       Cogent Communication
      65535   PRIVATE       64.111.161.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.162.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.163.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.164.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.165.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.166.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.167.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.168.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.169.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.170.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.171.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.172.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.173.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.174.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.175.0/24      33205       KMC Telecom Solution
      64832   PRIVATE       64.193.112.0/21       7911       Williams Communicati
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      64500   RESERVED      85.114.96.0/21        1680       NetVision Ltd.
      65503   PRIVATE       193.125.183.0/24      3217       SIMBIRSK
      35857   UNALLOCATED   199.107.188.0/24      4323       Time Warner Telecom
      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
      65529   PRIVATE       216.21.199.0/24      14697       VDot.Net 
      65529   PRIVATE       216.152.237.0/24     14697       VDot.Net 
      
      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        /8:19       /9:3       /10:8       /11:15      /12:66      
      /13:150     /14:307     /15:577     /16:8330    /17:2509    /18:4288    
      /19:10145   /20:10902   /21:8737    /22:12073   /23:13137   /24:86697   
      /25:281     /26:268     /27:133     /28:60      /29:23      /30:87      
      /31:0       /32:43      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      765           780      Covad Communications 
       6197      724           883      BellSouth Network Solutions, 
       7018      657          1483      AT&T WorldNet Services
       2386      588           835      AT&T Data Communications Serv
       9583      510           691      Sify Limited
       4323      504          1091      Time Warner Telecom
      27364      449           464      Armstrong Cable Services 
       4766      402           586      Korea Telecom (KIX)
       5668      401           477      CenturyTel Internet Holdings,
       1239      376           908      Sprint 
        702      368           604      UUNET - Commercial IP service
       6198      338           469      BellSouth Network Solutions, 
       6467      314           423      E.Spire Communications, Inc. 
      10036      306           306      C&M Communication Co. Ltd.
       6517      291           314      Yipes Communications, Inc. 
       9929      282           358      China Netcom Corp.
       7011      280           329      Citizens Utilities 
      11456      264           311      Carolina Online, Inc. 
      15270      250           269      PaeTec.net -a division of Pae
       3320      247           302      Deutsche Telekom AG
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:12       12:1510     13:1        15:9        16:2      
        17:3        18:4        20:4        24:745      32:64       33:4      
        38:103      40:55       44:3        47:2        52:3        55:2      
        56:3        57:23       58:38       59:13       60:25       61:740    
        62:558      63:1873     64:2654     65:2075     66:2731     67:513    
        68:508      69:958      70:77       71:5        72:120      80:538    
        81:513      82:401      83:261      84:135      85:158     128:142    
       129:158     130:89      131:280     132:36      133:1       134:144    
       135:40      136:191     137:67      138:160     139:52      140:193    
       141:106     142:137     143:130     144:173     145:32      146:280    
       147:101     148:294     149:167     150:96      151:63      152:107    
       153:87      154:4       155:143     156:68      157:87      158:167    
       159:171     160:73      161:60      162:200     163:83      164:205    
       165:161     166:153     167:230     168:413     169:137     170:311    
       171:8       172:1       192:5663    193:3119    194:2313    195:1548   
       196:634     198:3933    199:3271    200:3992    201:64      202:5385   
       203:6121    204:3780    205:2029    206:2399    207:2710    208:2073   
       209:3252    210:1684    211:828     212:1192    213:1272    214:244    
       215:31      216:3677    217:1155    218:188     219:99      220:371    
       221:147     222:73     
      
      End of report