[rtma] Weekly Routing Table Report

Routing Table Analysis cscora at thyme.apnic.net
Fri Feb 13 13:07:10 EST 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 14 Feb, 2004

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

BGP routing table entries examined:                            133324
    Prefixes after maximum aggregation:                         81625
    Unique aggregates announced to Internet:                    64110
Total ASes present in the Internet Routing Table:               16626
Origin-only ASes present in the Internet Routing Table:         14424
Origin ASes announcing only one prefix:                          6650
Transit ASes present in the Internet Routing Table:              2202
Transit-only ASes present in the Internet Routing Table:           65
Average AS path length visible in the Internet Routing Table:     4.9
    Max AS path length visible:                                    20
Illegal AS announcements present in the Routing Table:              4
Non-routable prefixes present in the Routing Table:                 0
Prefixes being announced from unallocated address space:           15
Number of addresses announced to Internet:                 1286255524
    Equivalent to 76 /8s, 170 /16s and 179 /24s
    Percentage of available address space announced:             34.7
    Percentage of allocated address space announced:             59.6
    Percentage of available address space allocated:             58.2
Total number of prefixes smaller than registry allocations:     59118

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

Prefixes being announced by APNIC Region ASes:                  24710
    Total APNIC prefixes after maximum aggregation:             13167
Prefixes being announced from the APNIC address blocks:         23118
    Unique aggregates announced from the APNIC address blocks:  13146
APNIC Region origin ASes present in the Internet Routing Table:  1993
APNIC Region origin ASes announcing only one prefix:              592
APNIC Region transit ASes present in the Internet Routing Table:  324
Average APNIC Region AS path length visible:                      4.9
    Max APNIC Region AS path length visible:                       19
Number of APNIC addresses announced to Internet:            136133504
    Equivalent to 8 /8s, 29 /16s and 59 /24s
    Percentage of available APNIC address space announced:       73.3

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

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

Prefixes being announced by ARIN Region ASes:                     77966
    Total ARIN prefixes after maximum aggregation:                48177
Prefixes being announced from the ARIN address blocks:            60346
    Unique aggregates announced from the ARIN address blocks:     20779
ARIN Region origin ASes present in the Internet Routing Table:     8945
ARIN Region origin ASes announcing only one prefix:                3168
ARIN Region transit ASes present in the Internet Routing Table:     865
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          17
Number of ARIN addresses announced to Internet:               217041248
    Equivalent to 12 /8s, 239 /16s and 201 /24s
    Percentage of available ARIN address space announced:          71.9

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 - 32767
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:                     23994
    Total RIPE prefixes after maximum aggregation:                17401
Prefixes being announced from the RIPE address blocks:            20832
    Unique aggregates announced from the RIPE address blocks:     13794
RIPE Region origin ASes present in the Internet Routing Table:     5163
RIPE Region origin ASes announcing only one prefix:                2762
RIPE Region transit ASes present in the Internet Routing Table:     895
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          20
Number of RIPE addresses announced to Internet:               151500288
    Equivalent to 9 /8s, 7 /16s and 182 /24s
    Percentage of available RIPE address space announced:          69.5

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, 80/6, 84/8, 188/8, 193/8, 194/7,
                       212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                    5489
    Total LACNIC prefixes after maximum aggregation:               2202
Prefixes being announced from the LACNIC address blocks:           5147
    Unique aggregates announced from the LACNIC address blocks:    3268
LACNIC Region origin ASes present in the Internet Routing Table:    368
LACNIC Region origin ASes announcing only one prefix:               102
LACNIC Region transit ASes present in the Internet Routing Table:    69
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC addresses announced to Internet:              14193408
    Equivalent to 0 /8s, 216 /16s and 147 /24s
    Percentage of available LACNIC address space announced:        42.3

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

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

Prefixes being announced by AfriNIC Region ASes:                   1163
    Total AfriNIC prefixes after maximum aggregation:               678
Prefixes being announced from the AfriNIC address blocks:           740
    Unique aggregates announced from the AfriNIC address blocks:    567
AfriNIC Region origin ASes present in the Internet Routing Table:    92
AfriNIC Region origin ASes announcing only one prefix:               26
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC addresses announced to Internet:              1766144
    Equivalent to 0 /8s, 26 /16s and 243 /24s
    Percentage of available AfriNIC address space announced:       10.5

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      942       1120         665   Telstra Pty Ltd
 4134      669       2491         118   Data Communications Bureau
 4766      414       2910         239   Korea Internet Exchange for "
 2907      358       1814         335   SINET Japan
 4755      355        130          59   Videsh Sanchar Nigam Ltd. Aut
 9443      345         69          80   Primus Telecommunications
 9583      341         42          24   Satyam Infoway Ltd.,
  703      339        374         262   UUNET
17557      324         23         158   Pakistan Telecom
17676      296       4364          37   XTAGE CORPORATION
 2764      288        273         240   connect.com.au pty ltd
 7474      273        305         213   Optus Communications Pty Ltd
 9942      227         69         130   COMindico Australia
 9929      222        154          31   China Netcom Corp.
 9800      214        347          55   CHINA UNICOM
 9498      191         30          34   BHARTI BT INTERNET LTD.
17964      151        120          61   Beijing Dian-Xin-Tong Network
 4837      150       1521          99   chinanet IDC center beijing n
 4739      148         60         135   Commerical Internet eXchange 
17642      147         39         108   RequestDSL BGP AS# for Sydney

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1399       7009         985   AT&T 
  701     1365       8614         963   UUNET Technologies, Inc. 
 1239      946       3096         660   Sprint 
 3356      817      10920         651   Level 3 Communications, LLC 
 6197      732        442         269   BellSouth Network Solutions, 
  209      719       3534         509   Qwest 
18566      688        192           9   Covad Communications 
 4323      686        544         202   Time Warner Communications, I
20115      603        338         338   Charter Communications 
 6198      546        354         196   BellSouth Network Solutions, 
 7843      506        576         128   Adelphia Corp. 
  852      503       1123         399   Telus Advanced Communications
 7066      498        207         271   Virginia Polytechnic Institut
 7132      455       7577         314   Southwestern Bell Internet Se
 2386      421        578         222   AT&T Data Communications Serv
  690      398         58         268   Merit Network 
 4355      397        323         103   EarthLink, Inc. 
19029      387        168         248   New Edge Networks 
27364      382         28          23   Armstrong Cable Services 
  376      381        359         114   Reseau Interordinateurs Scien

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      685       2073         571   UUNET - Commercial IP service
 3301      336       1174         315   TeliaNet Sweden
 3320      284       1971         231   Deutsche Telekom AG
 8220      268        411         254   COLT Internet - International
  680      241       2027         237   DFN-IP service G-WiN
  719      234        288         105   LANLINK autonomous system
 1257      228        506         192   SWIPnet Swedish IP Network
13083      216         51           8   Mannesmann Datenverarbeitung 
 3246      189        431         187   Song Networks
  786      175       1826         175   The JANET IP Service
 8708      171        111         162   Romania Data Systems S.A.
 5515      169        762         135   Sonera Solution Autonomous Sy
25186      168        201         109   France Telecom Transpac's Tra
 3215      159        787          73   France Telecom Transpac
 5400      146        221         130   BT Ignite European Backbone
 3303      138        620         138   Swisscom Ltd
 6746      127         19         112   Dynamic Network Technologies,
12302      126         18          33   MobiFon S.A.
 3269      124       1036          64   TELECOM ITALIA
 2856      117       1294         107   BTnet UK Regional network

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 6140      356        121          64   ImpSat
 8151      255        384         124   UniNet S.A. de C.V. 
11172      207         77          44   Servicios Alestra S.A de C.V 
16814      156         11           6   NSS, S.A. 
 6503      137        204          92   AVANTEL, S.A. 
 7303      137         51          32   Telecom Argentina Stet-France
 6505      131         90          91   Global One Communicaoes Ltda 
 6147      123         78          20   Telefonica Del Peru 
11556       87         57          24   Cable-Wireless Panama 
11992       78         25          29   Integrated Systems 
15311       78         18          38   Telefonica Empresas 
 6535       77          5          19   Chilesat Servicios  Empresari
 4270       71         18           9   Red de Interconexion Universi
11311       67          7          20   Sinectis S.A. 
 7080       66          4           2   Electronica y Comunicaciones 
14420       63          4          28   ANDINATEL S.A. 
27699       62        168          15   TELECOMUNICACOES DE SAO PAULO
10292       61          6          28   TELECOMMUNICATIONS OF JAMAICA
 1916       60        247          40   Fundacao de Amparo a Pesquisa
 7738       59        218          13   Telecomunicacoes da Bahia S.A

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      249        632         218   The Internet Solution 
 5536      104          8           3   Internet Egypt Network
 2018       94        297          92   Tertiary Education Network 
 2905       90        272          80   The Internetworking Company o
 2561       57          6           3   Egyptian Universities Network
11845       36          9          11   Data Pro Business Online 
 3208       33          2           1   ARN Network
 9129       26          3           4   UUNET Kenya
16637       25          9          18   Johnnic e-Ventures 
 5713       24         93          22   Telkom SA Ltd 
24835       23         18           6   RAYA Telecom - Egypt
 6713       22         38           9   Itissalat Al-MAGHRIB
12455       22          4           2   Jambonet Autonomous system
 8524       18          2           4   AUCEGYPT Autonomous System
10798       18          1          12   Standard Bank of South Africa
15706       16          2           3   Sudatel Internet Exchange Aut
15808       16          1           7   Communication Solutions Ltd i
12258       15          3          10   Vodacom Internet Company 
17148       14          1           8   First National Bank 
 8346       13          6          12   SONATEL-AS Autonomous System

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

  ASN   No of nets  Net Savings Description
18566       688         679      Covad Communications 
 4134       669         551      Data Communications Bureau
 4323       686         484      Time Warner Communications, I
 6197       732         463      BellSouth Network Solutions, 
  701      1365         402      UUNET Technologies, Inc. 
 7843       506         378      Adelphia Corp. 
27364       382         359      Armstrong Cable Services 
 6198       546         350      BellSouth Network Solutions, 
 5668       347         330      Century Telephone 
22909       340         320      Comcast Cable Corporation 
 9583       341         317      Satyam Infoway Ltd.,
22773       343         310      Cox Communications, Inc. Atla
 4755       355         296      Videsh Sanchar Nigam Ltd. Aut
 4355       397         294      EarthLink, Inc. 
 6140       356         292      ImpSat
 1239       946         286      Sprint 
 1221       942         277      Telstra Pty Ltd
  376       381         267      Reseau Interordinateurs Scien
20115       603         265      Charter Communications 
 9443       345         265      Primus Telecommunications

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

Bad AS  Designation  Network              Transit AS  Description
65412   PRIVATE       64.70.42.0/24         3561       Cable & Wireless USA
 1877   UNALLOCATED   192.108.199.0/24      1876       Southern Methodist U
23861   UNALLOCATED   210.93.46.0/24        3786       DACOM Corporation
23861   UNALLOCATED   210.93.47.0/24        3786       DACOM Corporation

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

Network            Origin AS  Description
132.0.0.0/10           568     DISO-UNRRA 
137.0.0.0/13           568     DISO-UNRRA 
156.246.0.0/16        9317     Inha University
158.0.0.0/13           568     DISO-UNRRA 
192.43.230.0/24       4738     South Australian Academic Res
192.44.0.0/19          702     UUNET - Commercial IP service
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 

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:20       /9:4       /10:6       /11:15      /12:58      
/13:105     /14:286     /15:503     /16:7567    /17:1888    /18:3482    
/19:8953    /20:9306    /21:6786    /22:9574    /23:11134   /24:72960   
/25:187     /26:277     /27:154     /28:27      /29:5       /30:16      
/31:0       /32:11      

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

  ASN   No of nets  Total ann.   Description
18566      671           688      Covad Communications 
 6197      573           732      BellSouth Network Solutions, 
 7018      499          1399      AT&T 
 3356      438           817      Level 3 Communications, LLC 
  702      417           685      UUNET - Commercial IP service
 6198      394           546      BellSouth Network Solutions, 
  701      392          1365      UUNET Technologies, Inc. 
 7066      392           498      Virginia Polytechnic Institut
20115      375           603      Charter Communications 
27364      375           382      Armstrong Cable Services 
  690      361           398      Merit Network 
 1239      332           946      Sprint 
 5668      305           347      Century Telephone 
19029      255           387      New Edge Networks 
 4766      247           414      Korea Internet Exchange for "
25844      244           244      Skadden, Arps, Slate, Meagher
 3320      232           284      Deutsche Telekom AG
 6517      224           248      Yipes Communications, Inc. 
 6386      221           247      bellsouth.net, inc. 
13609      220           260      Choice One Communications Inc

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

   4:3        12:776      13:1        15:6        16:1        17:3      
  20:8        24:844      32:84       38:45       40:26       44:2      
  55:1        56:1        57:14       61:374      62:466      63:1821   
  64:1841     65:1888     66:2371     67:274      68:608      69:412    
  80:482      81:225      82:76       83:2       128:141     129:264    
 130:78      131:78      132:16      134:172     135:16      136:186    
 137:111     138:149     139:39      140:160     141:135     142:103    
 143:48      144:80      145:39      146:282     147:75      148:329    
 149:84      150:122     151:62      152:215     153:60      154:1      
 155:137     156:66      157:56      158:149     159:143     160:47     
 161:52      162:372     163:72      164:323     165:159     166:106    
 167:210     168:179     169:97      170:295     171:8       192:5524   
 193:2590    194:2010    195:1319    196:522     198:3639    199:2948   
 200:3040    201:7       202:4428    203:5475    204:3020    205:1999   
 206:2267    207:2599    208:2407    209:2864    210:1057    211:451    
 212:905     213:1029    214:25      215:27      216:3397    217:839    
 218:119     219:96      220:167     221:18      222:1      

End of report



More information about the Rtma mailing list