[rtma] Weekly Routing Table Report

Routing Table Analysis cscora at apnic.net
Fri Jun 25 14:06:12 EDT 2004


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net

If you have any comments please contact Philip Smith <pfs at cisco.com>.

Routing Table Report   04:00 +10GMT Sat 26 Jun, 2004

Analysis Summary
----------------

BGP routing table entries examined:                            142373
    Prefixes after maximum aggregation:                         85321
    Unique aggregates announced to Internet:                    68213
Total ASes present in the Internet Routing Table:               17497
Origin-only ASes present in the Internet Routing Table:         15162
Origin ASes announcing only one prefix:                          7068
Transit ASes present in the Internet Routing Table:              2335
Transit-only ASes present in the Internet Routing Table:           73
Average AS path length visible in the Internet Routing Table:     4.9
    Max AS path length visible:                                    26
Illegal AS announcements present in the Routing Table:              8
Non-routable prefixes present in the Routing Table:                 0
Prefixes being announced from unallocated address space:           19
Number of addresses announced to Internet:                 1314051868
    Equivalent to 78 /8s, 82 /16s and 215 /24s
    Percentage of available address space announced:             35.5
    Percentage of allocated address space announced:             58.2
    Percentage of available address space allocated:             60.9
Total number of prefixes smaller than registry allocations:     65586

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                    27046
    Total APNIC prefixes after maximum aggregation:               14017
Prefixes being announced from the APNIC address blocks:           25273
    Unique aggregates announced from the APNIC address blocks:    13910
APNIC Region origin ASes present in the Internet Routing Table:    2069
APNIC Region origin ASes announcing only one prefix:                614
APNIC Region transit ASes present in the Internet Routing Table:    335
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         16
Number of APNIC addresses announced to Internet:              150449920
    Equivalent to 8 /8s, 247 /16s and 175 /24s
    Percentage of available APNIC address space announced:         68.7

APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                       17408 - 18431, 23552 - 24575
APNIC Address Blocks   58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                     81982
    Total ARIN prefixes after maximum aggregation:                49940
Prefixes being announced from the ARIN address blocks:            63077
    Unique aggregates announced from the ARIN address blocks:     21940
ARIN Region origin ASes present in the Internet Routing Table:     9279
ARIN Region origin ASes announcing only one prefix:                3303
ARIN Region transit ASes present in the Internet Routing Table:     909
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          17
Number of ARIN addresses announced to Internet:               225859360
    Equivalent to 13 /8s, 118 /16s and 87 /24s
    Percentage of available ARIN address space announced:          74.8

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, 29695 - 30719
                       31744 - 33791
ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
                       and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     26020
    Total RIPE prefixes after maximum aggregation:                18441
Prefixes being announced from the RIPE address blocks:            22802
    Unique aggregates announced from the RIPE address blocks:     15175
RIPE Region origin ASes present in the Internet Routing Table:     5606
RIPE Region origin ASes announcing only one prefix:                3018
RIPE Region transit ASes present in the Internet Routing Table:     973
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          26
Number of RIPE addresses announced to Internet:               165059392
    Equivalent to 9 /8s, 214 /16s and 155 /24s
    Percentage of available RIPE address space announced:          57.9

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
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:                    6167
    Total LACNIC prefixes after maximum aggregation:               2247
Prefixes being announced from the LACNIC address blocks:           5797
    Unique aggregates announced from the LACNIC address blocks:    3556
LACNIC Region origin ASes present in the Internet Routing Table:    379
LACNIC Region origin ASes announcing only one prefix:               110
LACNIC Region transit ASes present in the Internet Routing Table:    75
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC addresses announced to Internet:              15110656
    Equivalent to 0 /8s, 230 /16s and 146 /24s
    Percentage of available LACNIC address space announced:        45.0

LACNIC AS Blocks       26592 - 26623, 27648 - 28671
LACNIC Address Blocks  200/7

Emerging AfriNIC Region Analysis Summary
----------------------------------------

Prefixes being announced by AfriNIC Region ASes:                   1155
    Total AfriNIC prefixes after maximum aggregation:               676
Prefixes being announced from the AfriNIC address blocks:           782
    Unique aggregates announced from the AfriNIC address blocks:    584
AfriNIC Region origin ASes present in the Internet Routing Table:    91
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              1886720
    Equivalent to 0 /8s, 28 /16s and 202 /24s
    Percentage of available AfriNIC address space announced:       11.2

AfriNIC AS Blocks      <none>
AfriNIC Address Blocks 196/8

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 1221      846       1075         614   Telstra Pty Ltd
 4134      792       3664         146   Data Communications Bureau
 4766      494       2896         264   Korea Internet Exchange for "
 9583      460         38          98   Satyam Infoway Ltd.,
 4755      374        134          55   Videsh Sanchar Nigam Ltd. Aut
 9443      353         69          78   Primus Telecommunications
 2907      349       1840         327   SINET Japan
17676      341       5084          33   XTAGE CORPORATION
17557      337         23         165   Pakistan Telecom
  703      327        359         256   UUNET
 9929      322        156          33   China Netcom Corp.
 2764      294        259         241   connect.com.au pty ltd
 7474      263        268         206   Optus Communications Pty Ltd
 9942      230         71         127   COMindico Australia
 9800      224        369          62   CHINA UNICOM
 9498      216         48          48   BHARTI BT INTERNET LTD.
10036      198         18         179   C&M Communication Co. Ltd.
 4837      186       2019         105   chinanet IDC center beijing n
17974      184         51          99   PT TELEKOMUNIKASI INDONESIA
 9304      174        161          25   Hutchison Telecom (HK)

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1448       6892        1002   AT&T 
  701     1297       8485         924   UUNET Technologies, Inc. 
 1239      939       2981         633   Sprint 
 6347      926        400         100   SAVVIS Communications Corpora
 3356      899      10935         681   Level 3 Communications, LLC 
  557      769         63          15   University of Maine System Co
 4323      740        555         204   Time Warner Communications, I
18566      724        192           8   Covad Communications 
 6197      707        525         276   BellSouth Network Solutions, 
  209      616       3469         508   Qwest 
 6198      575        439         221   BellSouth Network Solutions, 
20115      562        373         288   Charter Communications 
  852      514       1142         402   Telus Advanced Communications
 7843      511        661         128   Adelphia Corp. 
 7132      455       7872         341   Southwestern Bell Internet Se
 2386      425        565         227   AT&T Data Communications Serv
  721      393      13171         289   DLA Systems Automation Center
22909      393        825          26   Comcast Cable Corporation 
 4355      391        323         101   EarthLink, Inc. 
  705      390        128         266   UUNET Technologies, Inc. 

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      647       2039         540   UUNET - Commercial IP service
 3320      298       2468         236   Deutsche Telekom AG
 3301      295       1098         268   TeliaNet Sweden
 8220      271        428         259   COLT Internet - International
 1257      247        497         195   SWIPnet Swedish IP Network
  680      244       2025         239   DFN-IP service G-WiN
13083      216         51           8   Mannesmann Datenverarbeitung 
 3246      211        477         208   Song Networks
 5515      199        843         144   Sonera Solution Autonomous Sy
 8708      186        112         173   Romania Data Systems S.A.
 3215      182        895          69   France Telecom Transpac
  719      180        288         102   LANLINK autonomous system
25186      174        156         115   France Telecom Transpac's Tra
  786      173       1778         173   The JANET IP Service
 6746      156         29         127   Dynamic Network Technologies,
 5400      144        205         120   BT Ignite European Backbone
 3269      134       1099          64   TELECOM ITALIA
 3303      133        611         132   Swisscom Ltd
12302      128         18          32   MobiFon S.A.
 8866      126         14          11   Bulgarian Telecommunication C

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
11172      356         96          58   Servicios Alestra S.A de C.V 
 6140      343        140          67   ImpSat
 8151      270        373         128   UniNet S.A. de C.V. 
16814      203         13           7   NSS, S.A. 
 6147      181         82          21   Telefonica Del Peru 
 7303      146         53          30   Telecom Argentina Stet-France
 6505      134         90          92   Global One Communicaoes Ltda 
 6503      131        202          89   AVANTEL, S.A. 
11992       89          9          29   Integrated Systems 
11556       87         57          24   Cable-Wireless Panama 
 6535       80          5          17   Chilesat Servicios  Empresari
14420       77          5          27   ANDINATEL S.A. 
14535       76          6           5   Techtel S.A. 
15311       75         19          37   Telefonica Empresas 
11311       73          7          20   Sinectis S.A. 
 5639       72          8           8   Telecommunications Services o
 4270       71         18           9   Red de Interconexion Universi
14117       69          5           4   Telefonica del Sur S.A. 
14259       67          4           5   GTD Internet S.A. 
10292       66          6          25   TELECOMMUNICATIONS OF JAMAICA

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      253        632         220   The Internet Solution 
 5536      111         16           4   Internet Egypt Network
 2018       94        297          92   Tertiary Education Network 
 2905       90        276          80   The Internetworking Company o
11845       38          9          11   Data Pro Business Online 
24835       31         18           6   RAYA Telecom - Egypt
 9129       28          3           4   UUNET Kenya
 8524       25          2           4   AUCEGYPT Autonomous System
12455       25          4           2   Jambonet Autonomous system
16637       25          9          18   Johnnic e-Ventures 
 5713       24        125          23   Telkom SA Ltd 
 6713       24         38           9   Itissalat Al-MAGHRIB
14988       24         16           1   Botswana Telecommunications C
10798       18          1          12   Standard Bank of South Africa
15706       16          2           3   Sudatel Internet Exchange Aut
12258       15          3          10   Vodacom Internet Company 
 8346       13          6          12   SONATEL-AS Autonomous System
17148       13          1           7   First National Bank 
21280       13          2           3   Swift Global Kenya Ltd.Is an 
 2609       12         26           4   Tunisia BackBone AS

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 6347       926         826      SAVVIS Communications Corpora
  557       769         754      University of Maine System Co
18566       724         716      Covad Communications 
 4134       792         646      Data Communications Bureau
 4323       740         536      Time Warner Communications, I
 6197       707         431      BellSouth Network Solutions, 
 7843       511         383      Adelphia Corp. 
  701      1297         373      UUNET Technologies, Inc. 
22909       393         367      Comcast Cable Corporation 
 5668       384         367      Century Telephone 
 9583       460         362      Satyam Infoway Ltd.,
27364       376         357      Armstrong Cable Services 
 6198       575         354      BellSouth Network Solutions, 
22773       388         332      Cox Communications, Inc. Atla
 4755       374         319      Videsh Sanchar Nigam Ltd. Aut
17676       341         308      XTAGE CORPORATION
 1239       939         306      Sprint 
11172       356         298      Servicios Alestra S.A de C.V 
 4355       391         290      EarthLink, Inc. 
 9929       322         289      China Netcom Corp.

List of Unregistered ASNs (Global)
----------------------------------

Bad AS  Designation  Network              Transit AS  Description
18416   UNALLOCATED   61.56.96.0/24         9919       New Century InfoComm
18416   UNALLOCATED   61.56.96.0/20         9919       New Century InfoComm
18416   UNALLOCATED   61.56.97.0/24         9919       New Century InfoComm
18416   UNALLOCATED   61.56.98.0/24         9919       New Century InfoComm
65501   PRIVATE       66.60.187.0/24       14051       Roseville Telephone 
65501   PRIVATE       66.60.188.0/22       14051       Roseville Telephone 
 1877   UNALLOCATED   192.108.199.0/24      1876       Southern Methodist U
18412   UNALLOCATED   211.77.0.0/19         9674       Far EastTone Telecom

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
132.0.0.0/10           568     DISO-UNRRA 
137.0.0.0/13           721     DLA Systems Automation Center
156.154.16.0/22       7786     Lockheed Martin IMS 
158.0.0.0/13           721     DLA Systems Automation Center
164.234.0.0/18         721     DLA Systems Automation Center
164.234.0.0/16         721     DLA Systems Automation Center
192.43.230.0/24       4738     South Australian Academic Res
192.44.0.0/19          702     UUNET - Commercial IP service
192.70.164.0/24      25689     National Research Council of 
192.83.16.0/20        5515     Sonera Solution Autonomous Sy
192.83.32.0/19        5515     Sonera Solution Autonomous Sy
192.83.96.0/22        5515     Sonera Solution Autonomous Sy
192.83.100.0/24       5515     Sonera Solution Autonomous Sy
192.84.205.0/24        719     LANLINK autonomous system
192.119.135.0/24       270     NASA 
192.135.50.0/24       7018     AT&T 
192.136.79.0/24        719     LANLINK autonomous system
192.172.0.0/19         568     DISO-UNRRA 
192.172.11.0/24        721     DLA Systems Automation Center

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       /10:6       /11:15      /12:59      
/13:124     /14:301     /15:519     /16:7884    /17:2073    /18:3639    
/19:9480    /20:9958    /21:7314    /22:10367   /23:11886   /24:77349   
/25:373     /26:387     /27:347     /28:173     /29:15      /30:68      
/31:0       /32:14      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
  557      736           769      University of Maine System Co
18566      707           724      Covad Communications 
 6347      702           926      SAVVIS Communications Corpora
 7018      563          1448      AT&T 
 6197      536           707      BellSouth Network Solutions, 
 3356      504           899      Level 3 Communications, LLC 
 6198      405           575      BellSouth Network Solutions, 
  702      395           647      UUNET - Commercial IP service
 1239      372           939      Sprint 
  701      366          1297      UUNET Technologies, Inc. 
27364      364           376      Armstrong Cable Services 
 5668      335           384      Century Telephone 
 4766      313           494      Korea Internet Exchange for "
 9583      309           460      Satyam Infoway Ltd.,
20115      297           562      Charter Communications 
 9929      255           322      China Netcom Corp.
14824      254           278      NewSouth Communications Corp.
 3320      247           298      Deutsche Telekom AG
  690      246           282      Merit Network 
25844      244           244      Skadden, Arps, Slate, Meagher

Number of /24s announced per /8 block (Global)
----------------------------------------------

   4:3        12:826      13:1        15:5        16:2        17:3      
  20:8        24:750      32:65       33:1        38:72       40:53     
  44:4        55:1        56:3        57:15       61:451      62:507    
  63:1858     64:2028     65:2046     66:2595     67:326      68:500    
  69:584      70:64       80:531      81:323      82:181      83:92     
  84:3       128:148     129:176     130:77      131:187     132:21     
 133:1       134:182     135:17      136:182     137:54      138:167    
 139:37      140:215     141:124     142:118     143:57      144:100    
 145:41      146:308     147:77      148:410     149:119     150:96     
 151:71      152:165     153:64      154:2       155:122     156:60     
 157:60      158:145     159:147     160:52      161:64      162:383    
 163:76      164:180     165:159     166:100     167:217     168:228    
 169:161     170:286     171:8       192:5563    193:2781    194:2046   
 195:1371    196:555     198:3694    199:3105    200:3552    201:8      
 202:4675    203:5639    204:3110    205:2098    206:2308    207:2536   
 208:2218    209:3019    210:1425    211:557     212:993     213:1175   
 214:66      215:30      216:3734    217:943     218:169     219:112    
 220:232     221:30      222:40     

End of report



More information about the Rtma mailing list