See http://www.merit.edu/ipma for a more detailed report on
routing problems and recommendations on ways service providers can
limit the spread of invalid routing information.
Send comments and questions to ipma@merit.edu
To unsubscribe from this list, send mail to routing-problems-request@merit.edu.
A hypermail archive is available at
http://www.merit.net/mail.archives/html/routing-problems/
Also see http://www.caida.org for more information about Internet statistics
collection research efforts.
Reserved Network and Host Announcements
---------------------------------------
No routing problems were detected
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NetKonect (AS6716) at Mae-East 7 + 264281 = 264288 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 226420 + 22329 = 248749 BGP prefix updates
3. USCyber (AS4136) at Mae-East 0 + 177180 = 177180 BGP prefix updates
4. GetNet (AS5784) at Mae-East 5 + 167254 = 167259 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 84594 + 13435 = 98029 BGP prefix updates
6. idc (AS4694) at Mae-West 0 + 84905 = 84905 BGP prefix updates
7. internetMCI (AS3561) at AADS 64491 + 17664 = 82155 BGP prefix updates
8. telia (AS1299) at Mae-East 776 + 59758 = 60534 BGP prefix updates
9. CompuServe (AS4183) at Mae-East 110 + 35821 = 35931 BGP prefix updates
10. ANS (AS1673) at Mae-East 23992 + 1258 = 25250 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. IBMGlobal(AS2685) at AADS 30.93 (1268 ann, 41 entries)
2. AIMnet(AS3763) at Mae-West 12.68 (596 ann, 47 entries)
3. ANS(AS1673) at Mae-East 11.13 (23992 ann, 2156 entries)
4. SPRINT(AS1239) at Mae-East 10.59 (226420 ann, 21381 entries)
5. OLEANE(AS2917) at Mae-East 8.71 (366 ann, 42 entries)
6. Primenet(AS3549) at AADS 7.64 (657 ann, 86 entries)
7. Primenet(AS3549) at Mae-East 7.60 (654 ann, 86 entries)
8. Genuity(AS3847) at AADS 7.51 (2825 ann, 376 entries)
9. Dialnet(AS5552) at Mae-East 7.50 (893 ann, 119 entries)
10. Genuity(AS3847) at Mae-East 7.34 (2759 ann, 376 entries)
11. Genuity(AS3847) at Mae-West 7.08 (2662 ann, 376 entries)
12. NetAxs(AS4969) at Mae-East 6.29 (616 ann, 98 entries)
13. CAIS(AS3491) at AADS 6.17 (7533 ann, 1220 entries)
14. CAIS(AS3491) at Mae-West 5.58 (7074 ann, 1267 entries)
15. Digex(AS2548) at Mae-East 5.17 (4847 ann, 938 entries)
16. internetMCI(AS3561) at Mae-East 4.99 (84594 ann, 16955 entries)
17. Intermedia(AS6235) at Mae-East 4.94 (1186 ann, 240 entries)
18. EUnet(AS286) at Mae-East 4.94 (5543 ann, 1123 entries)
19. Internex(AS2828) at Mae-East 4.33 (260 ann, 60 entries)
20. ISI.Net(AS6196) at Mae-East 4.17 (396 ann, 95 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3765
2. internetMCI (3561) at pb 979
3. BBNplanet (1) at mae-west 400
4. AGIS (4200) at mae-east 299
5. IBMGlobal (2685) at mae-east 204
6. Grid (6113) at mae-west 191
7. CAIS (3491) at mae-west 185
8. Digex (2548) at mae-west 176
9. INAP.net (5646) at aads 168
10. AT&T (6478) at pb 149
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT