[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, 5 Mar 2005 04:10:21 +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 05 Mar, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              156980
          Prefixes after maximum aggregation:                           91812
          Unique aggregates announced to Internet:                      75951
      Total ASes present in the Internet Routing Table:                 19079
      Origin-only ASes present in the Internet Routing Table:           16598
      Origin ASes announcing only one prefix:                            7747
      Transit ASes present in the Internet Routing Table:                2481
      Transit-only ASes present in the Internet Routing Table:             80
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      19
      Prefixes from unregistered ASNs in the Routing Table:                15
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1381365024
          Equivalent to 82 /8s, 85 /16s and 245 /24s
          Percentage of available address space announced:               37.3
          Percentage of allocated address space announced:               58.9
          Percentage of available address space allocated:               63.2
      Total number of prefixes smaller than registry allocations:       73122
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    31360
          Total APNIC prefixes after maximum aggregation:               15191
      Prefixes being announced from the APNIC address blocks:           29402
          Unique aggregates announced from the APNIC address blocks:    15308
      APNIC Region origin ASes present in the Internet Routing Table:    2215
      APNIC Region origin ASes announcing only one prefix:                651
      APNIC Region transit ASes present in the Internet Routing Table:    329
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              176401600
          Equivalent to 10 /8s, 131 /16s and 172 /24s
          Percentage of available APNIC address space announced:         65.5
      
      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:                     87515
          Total ARIN prefixes after maximum aggregation:                52984
      Prefixes being announced from the ARIN address blocks:            66773
          Unique aggregates announced from the ARIN address blocks:     24478
      ARIN Region origin ASes present in the Internet Routing Table:     9907
      ARIN Region origin ASes announcing only one prefix:                3583
      ARIN Region transit ASes present in the Internet Routing Table:     947
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          17
      Number of ARIN addresses announced to Internet:               240188416
          Equivalent to 14 /8s, 80 /16s and 252 /24s
          Percentage of available ARIN address space announced:          71.6
      
      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, 70/7, 72/8, 198/7, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     29849
          Total RIPE prefixes after maximum aggregation:                20530
      Prefixes being announced from the RIPE address blocks:            26772
          Unique aggregates announced from the RIPE address blocks:     17751
      RIPE Region origin ASes present in the Internet Routing Table:     6363
      RIPE Region origin ASes announcing only one prefix:                3361
      RIPE Region transit ASes present in the Internet Routing Table:    1073
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          19
      Number of RIPE addresses announced to Internet:               193577808
          Equivalent to 11 /8s, 137 /16s and 195 /24s
          Percentage of available RIPE address space announced:          67.9
      
      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, 33792-34815
      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:                    6876
          Total LACNIC prefixes after maximum aggregation:               2402
      Prefixes being announced from the LACNIC address blocks:           6817
          Unique aggregates announced from the LACNIC address blocks:    4024
      LACNIC Region origin ASes present in the Internet Routing Table:    423
      LACNIC Region origin ASes announcing only one prefix:               128
      LACNIC Region transit ASes present in the Internet Routing Table:    81
      Average LACNIC Region AS path length visible:                       5.1
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              17675264
          Equivalent to 1 /8s, 13 /16s and 180 /24s
          Percentage of available LACNIC address space announced:        52.7
      
      LACNIC AS Blocks       26592-26623, 27648-28671
      LACNIC Address Blocks  200/7
      
      Emerging AfriNIC Region Analysis Summary
      ----------------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1365
          Total AfriNIC prefixes after maximum aggregation:               705
      Prefixes being announced from the AfriNIC address blocks:           895
          Unique aggregates announced from the AfriNIC address blocks:    714
      AfriNIC Region origin ASes present in the Internet Routing Table:    96
      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:              2176768
          Equivalent to 0 /8s, 33 /16s and 55 /24s
          Percentage of available AfriNIC address space announced:       13.0
      
      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      887       4720         175   Data Communications Bureau
       1221      792       1189         564   Telstra Pty Ltd
       9583      608         49          21   Satyam Infoway Ltd.,
       4766      589       3416         279   Korea Internet Exchange for "
       4755      480        241         101   Videsh Sanchar Nigam Ltd. Aut
       7545      465         75         159   TPG Internet Pty Ltd
      17676      404       6092          70   XTAGE CORPORATION
       9443      374         77          79   Primus Telecommunications
       9929      359        167          39   China Netcom Corp.
       2907      348       1839         322   SINET Japan
      17557      330         25         152   Pakistan Telecom
      10036      299         27         272   C&M Communication Co. Ltd.
       7474      286        283         208   Optus Communications Pty Ltd
        703      272        355         214   UUNET
       2764      255        237         204   connect.com.au pty ltd
       4802      250         45         157   Wantree Development
       9498      246         81          54   BHARTI BT INTERNET LTD.
       9800      240        395          71   CHINA UNICOM
       4808      239        234         130   CHINANET core WAN North
      17974      232         63          12   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1470       6592         968   AT&T WorldNet Services
        721     1125      21755         313   DLA Systems Automation Center
       4323     1052        668         219   Time Warner Telecom
        701     1031       8290         875   UUNET Technologies, Inc. 
       1239      926       2872         659   Sprint 
       6197      872        380         408   BellSouth Network Solutions, 
       2386      820        498         609   AT&T Data Communications Serv
      18566      773        208           6   Covad Communications 
        174      766       5529         669   PSINet Inc. 
        209      638       3466         501   Qwest 
       3356      583      10864         433   Level 3 Communications, LLC 
      20115      579        478         300   Charter Communications 
       3561      561       2374         416   Cable & Wireless USA 
        852      534       1111         403   Telus Advanced Communications
       3602      501        120          93   Sprint Canada, Inc. 
       6478      499        831         101   AT&T Worldnet Services 
      22773      478       1090          24   Cox Communications, Inc. Atla
       6198      467        540         196   BellSouth Network Solutions, 
      27364      465         43          18   Armstrong Cable Services 
       5668      456         93          22   Century Telephone 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      607       2006         498   UUNET - Commercial IP service
       3320      295       2992         229   Deutsche Telekom AG
       3301      291       1112         279   TeliaNet Sweden
       8220      275        466         269   COLT Internet - International
        680      254       2041         239   DFN-IP service G-WiN
       3246      226        472         221   Song Networks
       8708      224        123         201   Romania Data Systems S.A.
      13083      218         51           8   Mannesmann Datenverarbeitung 
       1257      208        708         173   SWIPnet Swedish IP Network
       3215      206       1058          80   France Telecom Transpac
       5515      187        842         135   Sonera Solution Autonomous Sy
        786      176       1794         176   The JANET IP Service
       8866      176         20          16   Bulgarian Telecommunication C
       3269      165       1456          72   TELECOM ITALIA
       3300      164        185          84   AUCS Communications Services 
       9121      164        230          31   TTnet Autonomous System
       6746      163         47         144   Dynamic Network Technologies,
        719      158        322         100   LANLINK autonomous system
       6830      142        529          28   UPC Distribution Services
      25186      140        138         100   France Telecom Transpac's Tra
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      350        140          67   ImpSat
       8151      337        505         142   UniNet S.A. de C.V. 
      16814      233         14           6   NSS, S.A. 
      11172      220         99          54   Servicios Alestra S.A de C.V 
       6147      205        102          20   Telefonica Del Peru 
      11664      151         19          24   Keytech SA 
       7303      146         66          30   Telecom Argentina Stet-France
       6505      135         90          91   Global One Communicaoes Ltda 
      14117      119          7           5   Telefonica del Sur S.A. 
       6503      114        145          75   AVANTEL, S.A. 
      11992      107          9          31   Integrated Systems 
      11556       97         48           3   Cable-Wireless Panama 
      13999       92         52           9   Mega Cable S.A. de C.V. 
      11311       88          8          23   Sinectis S.A. 
       6535       87          7          23   Chilesat Servicios  Empresari
      14420       87          6          42   ANDINATEL S.A. 
       5639       83         12           9   Telecommunications Services o
      10292       79          6          18   TELECOMMUNICATIONS OF JAMAICA
      10481       79         32           7   Prima S.A. 
      15311       77         24          36   Telefonica Empresas 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      268        635         225   The Internet Solution 
       5536      114         15          18   Internet Egypt Network
       2018       90        295          87   Tertiary Education Network 
      20928       87         16           2   Noor Advanced Technologies AS
       2905       84        267          76   The Internetworking Company o
       8452       55         20           5   TEDATA
      24835       53         34           6   RAYA Telecom - Egypt
       9129       37          3           2   UUNET Kenya
       6713       35         54           9   Itissalat Al-MAGHRIB
      12455       30          7           4   Jambonet Autonomous system
       5713       27        141          24   Telkom SA Ltd 
       8524       24          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      10798       19          1          11   Standard Bank of South Africa
      12258       18          3          12   Vodacom Internet Company 
      21280       18          2           3   Swift Global Kenya Ltd.Is an 
       8346       17         10          11   SONATEL-AS Autonomous System
      15475       16         84           4   Nile Online
      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
       4323      1052         833      Time Warner Telecom
        721      1125         812      DLA Systems Automation Center
      18566       773         767      Covad Communications 
       4134       887         712      Data Communications Bureau
       9583       608         587      Satyam Infoway Ltd.,
       6197       872         464      BellSouth Network Solutions, 
      22773       478         454      Cox Communications, Inc. Atla
      27364       465         447      Armstrong Cable Services 
       5668       456         434      Century Telephone 
       3602       501         408      Sprint Canada, Inc. 
       6478       499         398      AT&T Worldnet Services 
       4755       480         379      Videsh Sanchar Nigam Ltd. Aut
      17676       404         334      XTAGE CORPORATION
       6467       360         327      E.Spire Communications, Inc. 
       9929       359         320      China Netcom Corp.
       4766       589         310      Korea Internet Exchange for "
       7545       465         306      TPG Internet Pty Ltd
       9443       374         295      Primus Telecommunications
       6140       350         283      ImpSat
      20115       579         279      Charter Communications 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      25695   UNALLOCATED   64.57.112.0/20        5713       Telkom SA Ltd 
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      40439   UNALLOCATED   66.194.101.0/24      30439       Memphis Daily News 
      65503   PRIVATE       193.125.183.0/24      3217       SIMBIRSK
      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
      65535   PRIVATE       204.10.155.0/24      33205       KMC Telecom Solution
      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
      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       /11:14      /12:62      
      /13:148     /14:306     /15:570     /16:8298    /17:2433    /18:4160    
      /19:10091   /20:10755   /21:8633    /22:11925   /23:13095   /24:85642   
      /25:267     /26:247     /27:106     /28:51      /29:26      /30:83      
      /31:0       /32:38      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      758           773      Covad Communications 
       6197      715           872      BellSouth Network Solutions, 
       7018      636          1470      AT&T WorldNet Services
       2386      584           820      AT&T Data Communications Serv
       4323      484          1052      Time Warner Telecom
      27364      450           465      Armstrong Cable Services 
       9583      432           608      Satyam Infoway Ltd.,
       4766      405           589      Korea Internet Exchange for "
       5668      383           456      Century Telephone 
       1239      373           926      Sprint 
        702      369           607      UUNET - Commercial IP service
       6198      336           467      BellSouth Network Solutions, 
      10036      299           299      C&M Communication Co. Ltd.
       6517      288           310      Yipes Communications, Inc. 
       9929      285           359      China Netcom Corp.
       6467      271           360      E.Spire Communications, Inc. 
      11456      263           310      Carolina Online, Inc. 
      13609      257           306      Choice One Communications Inc
        701      248          1031      UUNET Technologies, Inc. 
      25844      245           245      Skadden, Arps, Slate, Meagher
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:10       12:1487     13:1        15:9        16:2      
        17:3        18:4        20:5        24:737      32:64       33:4      
        38:98       40:55       44:3        47:2        52:3        55:2      
        56:3        57:24       58:1        59:5        60:21       61:709    
        62:518      63:1865     64:2576     65:2059     66:2710     67:522    
        68:504      69:899      70:68       71:11       72:83       80:544    
        81:526      82:331      83:261      84:136      85:152     128:140    
       129:162     130:94      131:279     132:35      133:1       134:142    
       135:30      136:189     137:66      138:156     139:53      140:197    
       141:102     142:139     143:127     144:175     145:45      146:278    
       147:101     148:279     149:163     150:96      151:63      152:110    
       153:85      154:3       155:142     156:68      157:83      158:155    
       159:168     160:71      161:60      162:428     163:85      164:209    
       165:164     166:130     167:226     168:401     169:133     170:307    
       171:9       192:5661    193:3114    194:2285    195:1589    196:625    
       198:3892    199:3309    200:3994    201:53      202:5199    203:6046   
       204:3712    205:2020    206:2345    207:2722    208:2072    209:3156   
       210:1609    211:800     212:1165    213:1256    214:243     215:31     
       216:3651    217:1093    218:189     219:108     220:369     221:92     
       222:72     
      
      End of report