[afnog] Weekly Routing Table Report

Routing Table Analysis cscora at thyme.apnic.net
Sat May 29 04:06:16 EAT 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 29 May, 2004

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

BGP routing table entries examined:                            140122
    Prefixes after maximum aggregation:                         85218
    Unique aggregates announced to Internet:                    67540
Total ASes present in the Internet Routing Table:               17342
Origin-only ASes present in the Internet Routing Table:         15026
Origin ASes announcing only one prefix:                          6972
Transit ASes present in the Internet Routing Table:              2316
Transit-only ASes present in the Internet Routing Table:           75
Average AS path length visible in the Internet Routing Table:     4.8
    Max AS path length visible:                                    26
Illegal AS announcements present in the Routing Table:             13
Non-routable prefixes present in the Routing Table:                 0
Prefixes being announced from unallocated address space:           19
Number of addresses announced to Internet:                 1291183612
    Equivalent to 76 /8s, 245 /16s and 229 /24s
    Percentage of available address space announced:             34.8
    Percentage of allocated address space announced:             57.2
    Percentage of available address space allocated:             60.9
Total number of prefixes smaller than registry allocations:     62511

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

Prefixes being announced by APNIC Region ASes:                    26874
    Total APNIC prefixes after maximum aggregation:               13846
Prefixes being announced from the APNIC address blocks:           25184
    Unique aggregates announced from the APNIC address blocks:    13900
APNIC Region origin ASes present in the Internet Routing Table:    2058
APNIC Region origin ASes announcing only one prefix:                610
APNIC Region transit ASes present in the Internet Routing Table:    334
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         16
Number of APNIC addresses announced to Internet:              148464896
    Equivalent to 8 /8s, 217 /16s and 101 /24s
    Percentage of available APNIC address space announced:         67.7

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:                     80512
    Total ARIN prefixes after maximum aggregation:                50242
Prefixes being announced from the ARIN address blocks:            62138
    Unique aggregates announced from the ARIN address blocks:     21700
ARIN Region origin ASes present in the Internet Routing Table:     9246
ARIN Region origin ASes announcing only one prefix:                3277
ARIN Region transit ASes present in the Internet Routing Table:     920
Average ARIN Region AS path length visible:                         4.5
    Max ARIN Region AS path length visible:                          17
Number of ARIN addresses announced to Internet:               224518176
    Equivalent to 13 /8s, 97 /16s and 224 /24s
    Percentage of available ARIN address space announced:          74.3

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, 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:                     25534
    Total RIPE prefixes after maximum aggregation:                18222
Prefixes being announced from the RIPE address blocks:            22337
    Unique aggregates announced from the RIPE address blocks:     14891
RIPE Region origin ASes present in the Internet Routing Table:     5496
RIPE Region origin ASes announcing only one prefix:                2956
RIPE Region transit ASes present in the Internet Routing Table:     943
Average RIPE Region AS path length visible:                         5.3
    Max RIPE Region AS path length visible:                          26
Number of RIPE addresses announced to Internet:               162926080
    Equivalent to 9 /8s, 182 /16s and 14 /24s
    Percentage of available RIPE address space announced:          57.1

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:                    6047
    Total LACNIC prefixes after maximum aggregation:               2236
Prefixes being announced from the LACNIC address blocks:           5712
    Unique aggregates announced from the LACNIC address blocks:    3518
LACNIC Region origin ASes present in the Internet Routing Table:    379
LACNIC Region origin ASes announcing only one prefix:               108
LACNIC Region transit ASes present in the Internet Routing Table:    73
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC addresses announced to Internet:              14961152
    Equivalent to 0 /8s, 228 /16s and 74 /24s
    Percentage of available LACNIC address space announced:        44.6

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

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

Prefixes being announced by AfriNIC Region ASes:                   1148
    Total AfriNIC prefixes after maximum aggregation:               672
Prefixes being announced from the AfriNIC address blocks:           780
    Unique aggregates announced from the AfriNIC address blocks:    587
AfriNIC Region origin ASes present in the Internet Routing Table:    91
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              1865216
    Equivalent to 0 /8s, 28 /16s and 118 /24s
    Percentage of available AfriNIC address space announced:       11.1

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      849       1091         612   Telstra Pty Ltd
 4134      735       3532         143   Data Communications Bureau
 4766      489       2896         264   Korea Internet Exchange for "
 9583      403         31         131   Satyam Infoway Ltd.,
 4663      402         54          17   ELIMNET, INC
 4755      365        126          56   Videsh Sanchar Nigam Ltd. Aut
 9443      355         69          79   Primus Telecommunications
 2907      352       1841         329   SINET Japan
 9929      347        156          33   China Netcom Corp.
17676      341       5084          33   XTAGE CORPORATION
17557      330         23         165   Pakistan Telecom
  703      329        375         256   UUNET
 2764      296        275         242   connect.com.au pty ltd
 7474      263        268         207   Optus Communications Pty Ltd
 9942      230         71         127   COMindico Australia
 9800      225        367          62   CHINA UNICOM
 9498      218         48          47   BHARTI BT INTERNET LTD.
 4780      210        193          26   Digital United Inc.
 4837      181       2003         108   chinanet IDC center beijing n
10036      180         16         168   C&M Communication Co. Ltd.

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1444       6891        1005   AT&T 
  701     1310       8529         938   UUNET Technologies, Inc. 
 1239      933       3013         634   Sprint 
 3356      894      10900         678   Level 3 Communications, LLC 
  209      739       3458         502   Qwest 
 4323      730        578         201   Time Warner Communications, I
 6197      709        525         274   BellSouth Network Solutions, 
18566      706        192           8   Covad Communications 
 6198      561        375         214   BellSouth Network Solutions, 
  721      556       4445         408   DLA Systems Automation Center
20115      553        365         286   Charter Communications 
  852      516       1142         406   Telus Advanced Communications
 7843      505        648         119   Adelphia Corp. 
 7132      449       7851         335   Southwestern Bell Internet Se
 2386      427        582         231   AT&T Data Communications Serv
  705      404        147         278   UUNET Technologies, Inc. 
 6347      404        391          90   SAVVIS Communications Corpora
 4355      393        323         103   EarthLink, Inc. 
22909      390        843          25   Comcast Cable Corporation 
  376      384        359         112   Reseau Interordinateurs Scien

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      650       2038         545   UUNET - Commercial IP service
 3320      297       2477         237   Deutsche Telekom AG
 8220      273        429         261   COLT Internet - International
 3301      272       1096         262   TeliaNet Sweden
 1257      248        495         199   SWIPnet Swedish IP Network
  680      244       2025         239   DFN-IP service G-WiN
13083      216         51           8   Mannesmann Datenverarbeitung 
 3246      205        464         202   Song Networks
 5515      198        779         143   Sonera Solution Autonomous Sy
  719      180        288         102   LANLINK autonomous system
 3215      177        831          68   France Telecom Transpac
25186      175        172         116   France Telecom Transpac's Tra
 8708      174        111         163   Romania Data Systems S.A.
  786      172       1778         172   The JANET IP Service
 6746      154         29         127   Dynamic Network Technologies,
 5400      143        207         121   BT Ignite European Backbone
 3269      137       1101          65   TELECOM ITALIA
 3303      132        611         132   Swisscom Ltd
12302      123         18          29   MobiFon S.A.
 1273      115        166          91   Cable & Wireless Deutschland 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
11172      360         80          55   Servicios Alestra S.A de C.V 
 6140      345        124          66   ImpSat
 8151      268        373         129   UniNet S.A. de C.V. 
16814      203         13           7   NSS, S.A. 
 6147      160         82          21   Telefonica Del Peru 
 7303      140         53          30   Telecom Argentina Stet-France
 6505      134         90          92   Global One Communicaoes Ltda 
 6503      130        219          89   AVANTEL, S.A. 
11992       89          9          28   Integrated Systems 
11556       87         57          24   Cable-Wireless Panama 
 6535       79          5          16   Chilesat Servicios  Empresari
14420       77          5          31   ANDINATEL S.A. 
15311       75         19          37   Telefonica Empresas 
 5639       72          8           8   Telecommunications Services o
 4270       71         18           9   Red de Interconexion Universi
14535       70          6           5   Techtel S.A. 
11311       69          7          19   Sinectis S.A. 
14259       67          4           5   GTD Internet S.A. 
10292       66          6          25   TELECOMMUNICATIONS OF JAMAICA
 7080       64          4           1   Electronica y Comunicaciones 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      254        632         219   The Internet Solution 
 5536      107          8           3   Internet Egypt Network
 2018       94        297          92   Tertiary Education Network 
 2905       90        276          80   The Internetworking Company o
11845       37          9          11   Data Pro Business Online 
24835       31         18           6   RAYA Telecom - Egypt
 5713       26        125          24   Telkom SA Ltd 
 9129       25          3           4   UUNET Kenya
16637       25          9          18   Johnnic e-Ventures 
 6713       24         38           9   Itissalat Al-MAGHRIB
 8524       24          2           4   AUCEGYPT Autonomous System
12455       24          4           2   Jambonet Autonomous system
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 
 2609       12         26           4   Tunisia BackBone AS
15808       12          1           4   Communication Solutions Ltd i

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

  ASN   No of nets  Net Savings Description
18566       706         698      Covad Communications 
 4134       735         592      Data Communications Bureau
 4323       730         529      Time Warner Communications, I
 6197       709         435      BellSouth Network Solutions, 
 7843       505         386      Adelphia Corp. 
 4663       402         385      ELIMNET, INC
  701      1310         372      UUNET Technologies, Inc. 
22909       390         365      Comcast Cable Corporation 
 5668       379         363      Century Telephone 
 6198       561         347      BellSouth Network Solutions, 
27364       363         344      Armstrong Cable Services 
22773       377         328      Cox Communications, Inc. Atla
 6347       404         314      SAVVIS Communications Corpora
 9929       347         314      China Netcom Corp.
 4755       365         309      Videsh Sanchar Nigam Ltd. Aut
17676       341         308      XTAGE CORPORATION
11172       360         305      Servicios Alestra S.A de C.V 
 1239       933         299      Sprint 
 4355       393         290      EarthLink, Inc. 
 6140       345         279      ImpSat

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

Bad AS  Designation  Network              Transit AS  Description
64512   PRIVATE       61.17.25.0/24        10199       DishnetDSL Limited
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 
65001   PRIVATE       148.235.124.0/24      8151       UniNet S.A. de C.V. 
 1877   UNALLOCATED   192.108.199.0/24      1876       Southern Methodist U
 5555   UNALLOCATED   192.156.8.0/24         721       DLA Systems Automati
65001   PRIVATE       200.79.116.0/24       8151       UniNet S.A. de C.V. 
65502   PRIVATE       203.97.150.0/24       7714       TelstraClear
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           568     DISO-UNRRA 
156.154.16.0/22       7786     Lockheed Martin IMS 
158.0.0.0/13           568     DISO-UNRRA 
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        /8:18       /9:3       /10:6       /11:15      /12:59      
/13:122     /14:295     /15:512     /16:7754    /17:2020    /18:3602    
/19:9395    /20:9910    /21:7238    /22:10265   /23:11552   /24:76408   
/25:314     /26:395     /27:133     /28:31      /29:8       /30:55      
/31:0       /32:12      

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

  ASN   No of nets  Total ann.   Description
18566      689           706      Covad Communications 
 7018      556          1444      AT&T 
 6197      538           709      BellSouth Network Solutions, 
 3356      509           894      Level 3 Communications, LLC 
  702      395           650      UUNET - Commercial IP service
 6198      394           561      BellSouth Network Solutions, 
  701      368          1310      UUNET Technologies, Inc. 
 1239      365           933      Sprint 
 4663      364           402      ELIMNET, INC
27364      351           363      Armstrong Cable Services 
 5668      332           379      Century Telephone 
 4766      310           489      Korea Internet Exchange for "
20115      294           553      Charter Communications 
 9929      277           347      China Netcom Corp.
14824      251           276      NewSouth Communications Corp.
 9583      249           403      Satyam Infoway Ltd.,
  690      247           283      Merit Network 
 3320      246           297      Deutsche Telekom AG
25844      244           244      Skadden, Arps, Slate, Meagher
 6517      236           262      Yipes Communications, Inc. 

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

   4:3        12:818      13:1        15:5        16:2        17:3      
  20:8        24:731      32:101      38:69       40:54       44:3      
  55:1        56:3        57:15       61:380      62:484      63:1823   
  64:1839     65:1996     66:2524     67:316      68:519      69:526    
  70:64       80:499      81:292      82:172      83:62      128:146    
 129:185     130:82      131:131     132:18      133:1       134:177    
 135:17      136:185     137:92      138:152     139:43      140:156    
 141:124     142:117     143:63      144:86      145:42      146:301    
 147:76      148:403     149:118     150:93      151:71      152:165    
 153:62      154:1       155:118     156:61      157:59      158:125    
 159:146     160:54      161:55      162:379     163:75      164:165    
 165:161     166:100     167:220     168:225     169:106     170:286    
 171:8       192:5717    193:2733    194:2025    195:1350    196:556    
 198:3939    199:3270    200:3474    201:7       202:4595    203:5607   
 204:3044    205:2278    206:2263    207:2452    208:2245    209:2796   
 210:1442    211:601     212:961     213:1167    214:222     215:28     
 216:3383    217:917     218:168     219:110     220:229     221:28     
 222:38     

End of report


More information about the afnog mailing list