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
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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. internetMCI (AS3561) at Mae-East 134173 + 41661 = 175834 BGP prefix updates
2. internetMCI (AS3561) at PacBell 41648 + 16203 = 57851 BGP prefix updates
3. internetMCI (AS3561) at AADS 42493 + 15024 = 57517 BGP prefix updates
4. SPRINT (AS1239) at Mae-East 36770 + 12998 = 49768 BGP prefix updates
5. BBNplanet (AS1) at Mae-West 18645 + 3383 = 22028 BGP prefix updates
6. MainStreet (AS3720) at Mae-West 78 + 16122 = 16200 BGP prefix updates
7. AT&T (AS6478) at Mae-West 12524 + 2599 = 15123 BGP prefix updates
8. Grid (AS6113) at Mae-West 9116 + 3303 = 12419 BGP prefix updates
9. BBNplanet (AS1) at Mae-East 7815 + 4544 = 12359 BGP prefix updates
10. AT&T (AS6478) at PacBell 9594 + 2556 = 12150 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Cableol(AS5089) at Mae-East 101.00 (404 ann, 4 entries)
2. u-net(AS5669) at Mae-West 47.50 (475 ann, 10 entries)
3. AIMnet(AS3763) at Mae-West 24.38 (1268 ann, 52 entries)
4. highway1(AS7922) at Mae-West 14.56 (131 ann, 9 entries)
5. u-net(AS5669) at Paix 12.30 (123 ann, 10 entries)
6. highway1(AS7922) at Mae-East 12.00 (108 ann, 9 entries)
7. VBC(AS6320) at Mae-West 9.88 (237 ann, 24 entries)
8. IPF(AS5409) at Mae-East 9.63 (260 ann, 27 entries)
9. DREN(AS668) at Mae-West 7.96 (1967 ann, 247 entries)
10. internetMCI(AS3561) at Mae-East 7.60 (134173 ann, 17663 entries)
11. DISA(AS568) at Mae-West 7.00 (3908 ann, 558 entries)
12. InterAccess(AS3789) at AADS 6.44 (174 ann, 27 entries)
13. OurWorld(AS7594) at Mae-West 5.27 (970 ann, 184 entries)
14. Megsinet(AS7194) at AADS 5.16 (98 ann, 19 entries)
15. AGIS(AS4200) at Mae-East 4.81 (9228 ann, 1920 entries)
16. Best(AS3915) at Mae-West 4.80 (408 ann, 85 entries)
17. CAIS(AS3491) at Mae-West 4.74 (4632 ann, 977 entries)
18. CWIX(AS5683) at Mae-West 4.73 (4349 ann, 920 entries)
19. CWIX(AS5683) at Mae-West 4.68 (4302 ann, 920 entries)
20. DREN(AS668) at Mae-East 4.67 (1135 ann, 243 entries)
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT