[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, 19 Feb 2005 04:06:11 +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 19 Feb, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              156278
          Prefixes after maximum aggregation:                           91075
          Unique aggregates announced to Internet:                      75201
      Total ASes present in the Internet Routing Table:                 18991
      Origin-only ASes present in the Internet Routing Table:           16501
      Origin ASes announcing only one prefix:                            7724
      Transit ASes present in the Internet Routing Table:                2490
      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:                                      23
      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:             11
      Number of addresses announced to Internet:                   1377557324
          Equivalent to 82 /8s, 27 /16s and 219 /24s
          Percentage of available address space announced:               37.2
          Percentage of allocated address space announced:               58.8
          Percentage of available address space allocated:               63.2
      Total number of prefixes smaller than registry allocations:       72848
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    31167
          Total APNIC prefixes after maximum aggregation:               14964
      Prefixes being announced from the APNIC address blocks:           29225
          Unique aggregates announced from the APNIC address blocks:    14881
      APNIC Region origin ASes present in the Internet Routing Table:    2206
      APNIC Region origin ASes announcing only one prefix:                646
      APNIC Region transit ASes present in the Internet Routing Table:    325
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              174090368
          Equivalent to 10 /8s, 96 /16s and 104 /24s
          Percentage of available APNIC address space announced:         64.6
      
      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:                     87294
          Total ARIN prefixes after maximum aggregation:                52572
      Prefixes being announced from the ARIN address blocks:            66460
          Unique aggregates announced from the ARIN address blocks:     24319
      ARIN Region origin ASes present in the Internet Routing Table:     9879
      ARIN Region origin ASes announcing only one prefix:                3589
      ARIN Region transit ASes present in the Internet Routing Table:     958
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               239407360
          Equivalent to 14 /8s, 69 /16s and 17 /24s
          Percentage of available ARIN address space announced:          71.3
      
      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:                     29627
          Total RIPE prefixes after maximum aggregation:                20417
      Prefixes being announced from the RIPE address blocks:            26489
          Unique aggregates announced from the RIPE address blocks:     17573
      RIPE Region origin ASes present in the Internet Routing Table:     6315
      RIPE Region origin ASes announcing only one prefix:                3335
      RIPE Region transit ASes present in the Internet Routing Table:    1077
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          23
      Number of RIPE addresses announced to Internet:               192312896
          Equivalent to 11 /8s, 118 /16s and 118 /24s
          Percentage of available RIPE address space announced:          67.4
      
      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:                    6834
          Total LACNIC prefixes after maximum aggregation:               2412
      Prefixes being announced from the LACNIC address blocks:           6719
          Unique aggregates announced from the LACNIC address blocks:    4012
      LACNIC Region origin ASes present in the Internet Routing Table:    419
      LACNIC Region origin ASes announcing only one prefix:               128
      LACNIC Region transit ASes present in the Internet Routing Table:    80
      Average LACNIC Region AS path length visible:                       5.0
          Max LACNIC Region AS path length visible:                        16
      Number of LACNIC addresses announced to Internet:              17433088
          Equivalent to 1 /8s, 10 /16s and 2 /24s
          Percentage of available LACNIC address space announced:        52.0
      
      LACNIC AS Blocks       26592-26623, 27648-28671
      LACNIC Address Blocks  200/7
      
      Emerging AfriNIC Region Analysis Summary
      ----------------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1341
          Total AfriNIC prefixes after maximum aggregation:               710
      Prefixes being announced from the AfriNIC address blocks:           905
          Unique aggregates announced from the AfriNIC address blocks:    718
      AfriNIC Region origin ASes present in the Internet Routing Table:    97
      AfriNIC Region origin ASes announcing only one prefix:               26
      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:              2176000
          Equivalent to 0 /8s, 33 /16s and 52 /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      885       4712         174   Data Communications Bureau
       1221      791       1186         564   Telstra Pty Ltd
       9583      592         49          15   Satyam Infoway Ltd.,
       4766      591       3415         281   Korea Internet Exchange for "
       7545      500         86          69   TPG Internet Pty Ltd
       4755      458        241         102   Videsh Sanchar Nigam Ltd. Aut
      17676      398       5980          66   XTAGE CORPORATION
       9443      374         77          79   Primus Telecommunications
       9929      351        165          36   China Netcom Corp.
       2907      348       1839         322   SINET Japan
      17557      324         24         149   Pakistan Telecom
      10036      293         27         269   C&M Communication Co. Ltd.
       7474      285        299         209   Optus Communications Pty Ltd
        703      272        339         213   UUNET
       2764      260        238         208   connect.com.au pty ltd
       9498      238         81          54   BHARTI BT INTERNET LTD.
       9800      237        383          75   CHINA UNICOM
       4808      236        170         128   CHINANET core WAN North
       4802      231         28         140   Wantree Development
      17974      230         63          12   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1458       6601         969   AT&T WorldNet Services
        721     1135      21835         316   DLA Systems Automation Center
       4323     1028        668         219   Time Warner Telecom
        701     1027       8308         877   UUNET Technologies, Inc. 
       1239      951       2874         656   Sprint 
       6197      865        379         405   BellSouth Network Solutions, 
       2386      822        496         611   AT&T Data Communications Serv
      18566      767        208           6   Covad Communications 
        209      647       3466         497   Qwest 
       3356      595      10868         444   Level 3 Communications, LLC 
       3561      591       2372         418   Cable & Wireless USA 
      20115      581        484         302   Charter Communications 
        852      524       1126         399   Telus Advanced Communications
       6478      497        822         102   AT&T Worldnet Services 
       3602      496        120          93   Sprint Canada, Inc. 
      22773      472       1090          24   Cox Communications, Inc. Atla
      27364      464         43          18   Armstrong Cable Services 
       6198      463        566         187   BellSouth Network Solutions, 
       5668      450         91          19   Century Telephone 
       7132      442       8412         382   SBC Internet Services
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      608       2022         505   UUNET - Commercial IP service
       3320      296       2992         230   Deutsche Telekom AG
       3301      289       1112         277   TeliaNet Sweden
       8220      277        466         271   COLT Internet - International
        680      253       2041         239   DFN-IP service G-WiN
       3246      226        476         220   Song Networks
       8708      218        120         197   Romania Data Systems S.A.
      13083      217         51           8   Mannesmann Datenverarbeitung 
       1257      205        708         171   SWIPnet Swedish IP Network
       3215      202       1025          80   France Telecom Transpac
       5515      187        842         135   Sonera Solution Autonomous Sy
       6746      179         47         143   Dynamic Network Technologies,
        786      176       1794         176   The JANET IP Service
       8866      175         19          21   Bulgarian Telecommunication C
       3300      164        185          85   AUCS Communications Services 
        719      163        322         105   LANLINK autonomous system
       3269      163       1424          72   TELECOM ITALIA
      25186      141        138          99   France Telecom Transpac's Tra
       5400      135        218         119   BT Ignite European Backbone
       9051      128          8          33   INCONET Autonomous System
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      361        140          70   ImpSat
       8151      335        501         142   UniNet S.A. de C.V. 
      16814      233         14           6   NSS, S.A. 
      11172      220        101          55   Servicios Alestra S.A de C.V 
       6147      189        102          20   Telefonica Del Peru 
      11664      150         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      117        146          80   AVANTEL, S.A. 
      11992      107          9          31   Integrated Systems 
      11556       97         48           3   Cable-Wireless Panama 
      13999       88         52           9   Mega Cable S.A. de C.V. 
      14420       87          6          42   ANDINATEL S.A. 
      11311       86          8          22   Sinectis S.A. 
       6535       85          7          23   Chilesat Servicios  Empresari
      10481       82         32           7   Prima S.A. 
       5639       81          8           8   Telecommunications Services o
       4270       79         18           9   Red de Interconexion Universi
      15311       78         25          37   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 
       2905       84        267          76   The Internetworking Company o
      20928       84         16           2   Noor Advanced Technologies AS
      24835       53         34           6   RAYA Telecom - Egypt
       8452       38         20           5   TEDATA
       6713       35         54           9   Itissalat Al-MAGHRIB
      11845       35          9          11   Data Pro Business Online 
       9129       30          3           2   UUNET Kenya
      12455       29          6           7   Jambonet Autonomous system
       5713       27        141          24   Telkom SA Ltd 
       8524       23          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       17          2           3   Swift Global Kenya Ltd.Is an 
      15706       15          4           2   Sudatel Internet Exchange Aut
      21491       15          1           3   UTL On-line is RF broadband I
      15808       14          1           1   Communication Solutions Ltd i
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        721      1135         819      DLA Systems Automation Center
       4323      1028         809      Time Warner Telecom
      18566       767         761      Covad Communications 
       4134       885         711      Data Communications Bureau
       9583       592         577      Satyam Infoway Ltd.,
       6197       865         460      BellSouth Network Solutions, 
      22773       472         448      Cox Communications, Inc. Atla
      27364       464         446      Armstrong Cable Services 
       7545       500         431      TPG Internet Pty Ltd
       5668       450         431      Century Telephone 
       3602       496         403      Sprint Canada, Inc. 
       6478       497         395      AT&T Worldnet Services 
       4755       458         356      Videsh Sanchar Nigam Ltd. Aut
      22909       420         346      Comcast Cable Corporation 
       6467       366         334      E.Spire Communications, Inc. 
      17676       398         332      XTAGE CORPORATION
       9929       351         315      China Netcom Corp.
       4766       591         310      Korea Internet Exchange for "
       1239       951         295      Sprint 
       9443       374         295      Primus Telecommunications
      
      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
      192.44.0.0/24         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      
      /13:147     /14:305     /15:561     /16:8296    /17:2409    /18:4124    
      /19:10081   /20:10696   /21:8527    /22:11771   /23:13018   /24:85389   
      /25:295     /26:258     /27:101     /28:47      /29:22      /30:83      
      /31:0       /32:42      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      752           767      Covad Communications 
       6197      708           865      BellSouth Network Solutions, 
       7018      631          1458      AT&T WorldNet Services
       2386      586           822      AT&T Data Communications Serv
       4323      479          1028      Time Warner Telecom
      27364      449           464      Armstrong Cable Services 
       9583      414           592      Satyam Infoway Ltd.,
       4766      402           591      Korea Internet Exchange for "
       5668      381           450      Century Telephone 
       1239      370           951      Sprint 
        702      368           608      UUNET - Commercial IP service
       6198      330           463      BellSouth Network Solutions, 
      10036      293           293      C&M Communication Co. Ltd.
       6517      287           309      Yipes Communications, Inc. 
       9929      276           351      China Netcom Corp.
       6467      275           366      E.Spire Communications, Inc. 
      11456      263           310      Carolina Online, Inc. 
      13609      255           304      Choice One Communications Inc
      25844      245           245      Skadden, Arps, Slate, Meagher
        701      241          1027      UUNET Technologies, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:10       12:1485     13:1        15:9        16:2      
        17:3        18:4        20:5        24:735      32:65       33:3      
        38:98       40:55       44:3        47:2        52:3        55:2      
        56:3        57:23       59:2        60:14       61:698      62:522    
        63:1866     64:2595     65:2085     66:2731     67:492      68:502    
        69:915      70:63       71:2        72:63       80:541      81:511    
        82:356      83:266      84:129      85:110     128:139     129:165    
       130:96      131:278     132:37      133:1       134:142     135:30     
       136:213     137:65      138:180     139:53      140:195     141:101    
       142:140     143:122     144:255     145:44      146:279     147:101    
       148:265     149:161     150:95      151:62      152:109     153:79     
       154:2       155:143     156:70      157:84      158:152     159:164    
       160:68      161:59      162:419     163:84      164:214     165:158    
       166:130     167:226     168:400     169:133     170:313     171:9      
       192:5683    193:3069    194:2260    195:1579    196:633     198:3848   
       199:3290    200:3968    201:49      202:5201    203:6041    204:3658   
       205:2015    206:2312    207:2700    208:2085    209:3119    210:1567   
       211:786     212:1161    213:1276    214:236     215:31      216:3681   
       217:1087    218:188     219:117     220:368     221:86      222:82     
      
      
      End of report