[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 Apr 2005 04:07:16 +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 16 Apr, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              159923
          Prefixes after maximum aggregation:                           93150
          Unique aggregates announced to Internet:                      76898
      Total ASes present in the Internet Routing Table:                 19422
      Origin-only ASes present in the Internet Routing Table:           16899
      Origin ASes announcing only one prefix:                            7905
      Transit ASes present in the Internet Routing Table:                2523
      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:                13
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             14
      Number of addresses announced to Internet:                   1381478720
          Equivalent to 82 /8s, 87 /16s and 177 /24s
          Percentage of available address space announced:               37.3
          Percentage of allocated address space announced:               58.5
          Percentage of available address space allocated:               63.7
      Total number of prefixes smaller than registry allocations:       74677
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    32657
          Total APNIC prefixes after maximum aggregation:               15410
      Prefixes being announced from the APNIC address blocks:           30588
          Unique aggregates announced from the APNIC address blocks:    15419
      APNIC Region origin ASes present in the Internet Routing Table:    2240
      APNIC Region origin ASes announcing only one prefix:                652
      APNIC Region transit ASes present in the Internet Routing Table:    340
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              181601920
          Equivalent to 10 /8s, 211 /16s and 6 /24s
          Percentage of available APNIC address space announced:         67.4
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  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:                     86956
          Total ARIN prefixes after maximum aggregation:                53107
      Prefixes being announced from the ARIN address blocks:            67784
          Unique aggregates announced from the ARIN address blocks:     24901
      ARIN Region origin ASes present in the Internet Routing Table:     9862
      ARIN Region origin ASes announcing only one prefix:                3573
      ARIN Region transit ASes present in the Internet Routing Table:     929
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               244720640
          Equivalent to 14 /8s, 150 /16s and 36 /24s
          Percentage of available ARIN address space announced:          69.5
      
      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, 198/7, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     30300
          Total RIPE prefixes after maximum aggregation:                20946
      Prefixes being announced from the RIPE address blocks:            27340
          Unique aggregates announced from the RIPE address blocks:     18226
      RIPE Region origin ASes present in the Internet Routing Table:     6543
      RIPE Region origin ASes announcing only one prefix:                3457
      RIPE Region transit ASes present in the Internet Routing Table:    1092
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          23
      Number of RIPE addresses announced to Internet:               201347264
          Equivalent to 12 /8s, 0 /16s and 80 /24s
          Percentage of available RIPE address space announced:          70.6
      
      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, 88/8, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    8565
          Total LACNIC prefixes after maximum aggregation:               2979
      Prefixes being announced from the LACNIC address blocks:           6989
          Unique aggregates announced from the LACNIC address blocks:    4043
      LACNIC Region origin ASes present in the Internet Routing Table:    611
      LACNIC Region origin ASes announcing only one prefix:               196
      LACNIC Region transit ASes present in the Internet Routing Table:   115
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              18093568
          Equivalent to 1 /8s, 20 /16s and 22 /24s
          Percentage of available LACNIC address space announced:        53.9
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1428
          Total AfriNIC prefixes after maximum aggregation:               708
      Prefixes being announced from the AfriNIC address blocks:           929
          Unique aggregates announced from the AfriNIC address blocks:    738
      AfriNIC Region origin ASes present in the Internet Routing Table:   101
      AfriNIC Region origin ASes announcing only one prefix:               27
      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:              2205952
          Equivalent to 0 /8s, 33 /16s and 169 /24s
          Percentage of available AfriNIC address space announced:        6.6
      
      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      901       4845         181   CHINANET-BACKBONE
       1221      775       1193         552   Telstra Pty Ltd
       9583      708         52          46   Sify Limited
       4766      586       3415         275   Korea Telecom (KIX)
       4755      545        243         112   Videsh Sanchar Nigam Ltd. Aut
       7545      484         86          70   TPG Internet Pty Ltd
      17676      430       6508          72   Softbank BB Corp.
       9443      369         77          75   Primus Telecommunications
       9929      358        175          45   China Netcom Corp.
       2907      345       1838         319   SINET Japan
      17557      336         24         152   Pakistan Telecom
      10036      313         28         284   C&M Communication Co. Ltd.
       4808      310        251         169   CNCGROUP IP network: China169
       7474      296        268         213   SingTel Optus Pty Ltd
       4802      279         47         164   Wantree Development
       9498      268         82          52   BHARTI BT INTERNET LTD.
       2764      260        238         198   AAPT Limited
        703      256        279         210   UUNET - Commercial IP service
       9800      238        386          69   CHINA UNICOM
      17974      238         63          12   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1481       6530         963   AT&T WorldNet Services
        174     1143       5589         974   Cogent Communications
        721     1117      21747         313   DLA Systems Automation Center
       4323     1093        647         220   Time Warner Telecom
        701     1011       8282         859   UUNET Technologies, Inc. 
       1239      915       2877         662   Sprint 
       6197      892        384         414   BellSouth Network Solutions, 
       2386      842        532         623   AT&T Data Communications Serv
      18566      789        224           7   Covad Communications 
        209      636       3442         492   Qwest 
      20115      604        499         313   Charter Communications 
       3356      588      10854         437   Level 3 Communications, LLC 
       3561      544       2369         417   Savvis
        852      532       1095         394   Telus Advanced Communications
      27364      517         43          18   Armstrong Cable Services 
       3602      507        121          92   Sprint Canada, Inc. 
       5668      489        115          25   CenturyTel Internet Holdings,
      22773      477       1188          21   Cox Communications, Inc.
       6198      458        380         215   BellSouth Network Solutions, 
       6467      438        143          35   E.Spire Communications, Inc. 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      598       2003         489   UUNET - Commercial IP service
       3320      303       2993         237   Deutsche Telekom AG
       3301      295       1116         285   TeliaNet Sweden
       8220      278        472         271   COLT Telecommunications
        680      253       2041         238   DFN-IP service G-WiN
       3246      232        491         227   Song Networks
       8708      227        251         208   Romania Data Systems S.A.
       1257      198        695         174   SWIPnet Swedish IP Network
       5515      178        778         128   Sonera Solution Autonomous Sy
        786      174       1778         174   The JANET IP Service
       3269      167       1472          73   TELECOM ITALIA
       8866      164         21          12   Bulgarian Telecommunication C
       6746      161         47         141   Dynamic Network Technologies,
        719      159        340         101   LANLINK autonomous system
       3300      149        184          84   AUCS Communications Services 
       5400      144        281         127   BT Ignite European Backbone
      25186      139        137          97   France Telecom Transpac's Tra
       6830      138        513          27   UPC Distribution Services
       9051      128          8          34   INCONET Autonomous System
       2856      127       2305         115   BTnet UK Regional network
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      351        533         145   UniNet S.A. de C.V. 
      16814      265         16           7   NSS, S.A. 
      11172      222         99          54   Servicios Alestra S.A de C.V 
       6147      205        102          20   Telefonica Del Peru 
      19632      190         14           7   Metropolis Intercom S.A. 
       7303      157         68          21   Telecom Argentina Stet-France
      11664      153         19          23   Keytech SA 
       6505      131         90          88   Global One Communicaoes Ltda 
      22047      122         96           6   VTR PUNTO NET S.A. 
      14117      119          8           4   Telefonica del Sur S.A. 
       6503      105        146          74   AVANTEL, S.A. 
      18822      104          7          16   TELEFONICA MANQUEHUE 
      13999      103         52           9   Mega Cable S.A. de C.V. 
      11556       99         49           5   Cable-Wireless Panama 
      19169       95          6          16   Telconet 
      23216       89         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      118         15          17   Internet Egypt Network
       2018       90        295          87   Tertiary Education Network 
      20928       90         16           2   Noor Advanced Technologies AS
       2905       75        267          69   The Internetworking Company o
       8452       64         20           5   TEDATA
      24835       59         34           6   RAYA Telecom - Egypt
       9129       43          3           3   UUNET Kenya
      12455       43          7           4   Jambonet Autonomous system
       5713       35        141          28   Telkom SA Ltd 
       6713       35         54           9   Itissalat Al-MAGHRIB
       8524       24          1           4   AUCEGYPT Autonomous System
      15475       23         84           4   Nile Online
      16637       22         10          19   Johnnic e-Ventures 
      10798       19          1          11   Standard Bank of South Africa
       7460       17          3           4   LIA Internet Access 
      12258       17          3          11   Vodacom Internet Company 
      15808       16          1           1   Communication Solutions Ltd i
      21491       16          1           3   UTL On-line is RF broadband I
      15706       15          4           2   Sudatel Internet Exchange Aut
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
          0         0       65531      *
       4323      1093         873      Time Warner Telecom
        721      1117         804      DLA Systems Automation Center
      18566       789         782      Covad Communications 
       4134       901         720      CHINANET-BACKBONE
       9583       708         662      Sify Limited
      27364       517         499      Armstrong Cable Services 
       6197       892         478      BellSouth Network Solutions, 
       5668       489         464      CenturyTel Internet Holdings,
      22773       477         456      Cox Communications, Inc.
       4755       545         433      Videsh Sanchar Nigam Ltd. Aut
       3602       507         415      Sprint Canada, Inc. 
       7545       484         414      TPG Internet Pty Ltd
       6467       438         403      E.Spire Communications, Inc. 
      17676       430         358      Softbank BB Corp.
       6140       399         327      ImpSat
       9929       358         313      China Netcom Corp.
       4766       586         311      Korea Telecom (KIX)
       9443       369         294      Primus Telecommunications
      20115       604         291      Charter Communications 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65503   PRIVATE       193.125.183.0/24      3217       SIMBIRSK
      30999   UNALLOCATED   196.192.80.0/24       6774       BELGACOM
      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
      65444   PRIVATE       212.25.125.0/24       8551       Bezeq International
      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 
      172.122.28.0/24        210     Utah Education Network 
      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       /9:3       /10:8       /11:15      /12:67      
      /13:152     /14:308     /15:578     /16:8351    /17:2518    /18:4313    
      /19:10199   /20:10936   /21:8802    /22:12150   /23:13219   /24:87403   
      /25:285     /26:263     /27:139     /28:67      /29:38      /30:63      
      /31:0       /32:28      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      773           789      Covad Communications 
       6197      733           892      BellSouth Network Solutions, 
       7018      662          1481      AT&T WorldNet Services
       2386      597           842      AT&T Data Communications Serv
       9583      527           708      Sify Limited
       4323      511          1093      Time Warner Telecom
      27364      505           517      Armstrong Cable Services 
       5668      407           489      CenturyTel Internet Holdings,
       4766      402           586      Korea Telecom (KIX)
       1239      383           915      Sprint 
        702      365           598      UUNET - Commercial IP service
       6198      336           458      BellSouth Network Solutions, 
       6467      319           438      E.Spire Communications, Inc. 
      10036      313           313      C&M Communication Co. Ltd.
       6517      294           317      Yipes Communications, Inc. 
       9929      282           358      China Netcom Corp.
       7011      280           329      Citizens Utilities 
      11456      271           318      Carolina Online, Inc. 
      15270      253           273      PaeTec.net -a division of Pae
        174      249          1143      Cogent Communications
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:11       12:1522     13:1        15:9        16:2      
        17:3        18:4        20:4        24:814      32:64       33:4      
        38:106      40:53       44:3        47:2        52:4        55:2      
        56:3        57:24       58:42       59:24       60:19       61:741    
        62:581      63:1890     64:2670     65:2079     66:2770     67:536    
        68:515      69:977      70:89       71:6        72:134      80:534    
        81:512      82:380      83:234      84:142      85:153     128:140    
       129:157     130:88      131:281     132:35      133:1       134:149    
       135:41      136:191     137:66      138:172     139:55      140:191    
       141:106     142:138     143:130     144:173     145:32      146:280    
       147:103     148:290     149:169     150:98      151:63      152:107    
       153:87      154:4       155:143     156:76      157:89      158:162    
       159:172     160:73      161:60      162:200     163:86      164:205    
       165:176     166:155     167:232     168:417     169:139     170:309    
       171:8       172:2       192:5676    193:3149    194:2332    195:1556   
       196:644     198:3936    199:3276    200:4008    201:114     202:5460   
       203:6148    204:3818    205:2030    206:2448    207:2748    208:2091   
       209:3282    210:1694    211:840     212:1185    213:1273    214:270    
       215:31      216:3582    217:1154    218:187     219:105     220:373    
       221:190     222:85     
      
      End of report