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 AADS 51083 + 17214 = 68297 BGP prefix updates
2. EXODUS (AS3967) at AADS 261 + 52926 = 53187 BGP prefix updates
3. idc (AS4694) at Mae-West 1 + 6636 = 6637 BGP prefix updates
4. NetKonect (AS6716) at Mae-East 0 + 6286 = 6286 BGP prefix updates
5. AT&T (AS6478) at AADS 4857 + 1375 = 6232 BGP prefix updates
6. SPRINT (AS1239) at Mae-East 5143 + 1049 = 6192 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 3208 + 1291 = 4499 BGP prefix updates
8. CAIS (AS3491) at AADS 2594 + 1306 = 3900 BGP prefix updates
9. GoodNet (AS5696) at AADS 2097 + 1599 = 3696 BGP prefix updates
10. Genuity (AS3847) at AADS 1832 + 1487 = 3319 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. OurWorld(AS7594) at Paix 22.00 (22 ann, 1 entries)
2. HLC(AS4565) at AADS 6.49 (409 ann, 63 entries)
3. Genuity(AS3847) at AADS 5.50 (1832 ann, 333 entries)
4. GoodNet(AS5696) at AADS 3.50 (2097 ann, 599 entries)
5. internetMCI(AS3561) at AADS 2.91 (51083 ann, 17550 entries)
6. Internex(AS2828) at AADS 2.54 (173 ann, 68 entries)
7. Argonne(AS683) at AADS 2.46 (32 ann, 13 entries)
8. CAIS(AS3491) at AADS 2.33 (2594 ann, 1113 entries)
9. EXODUS(AS3967) at AADS 2.29 (261 ann, 114 entries)
10. AT&T(AS6478) at AADS 2.22 (4857 ann, 2189 entries)
11. HLC(AS4565) at Paix 2.10 (132 ann, 63 entries)
12. Primenet(AS3549) at AADS 2.07 (261 ann, 126 entries)
13. Alpha(AS4550) at AADS 1.77 (69 ann, 39 entries)
14. ThePlanet(AS5388) at Mae-East 1.68 (136 ann, 81 entries)
15. Netcom(AS2551) at AADS 1.50 (462 ann, 307 entries)
16. Genuity(AS3847) at Paix 1.47 (491 ann, 333 entries)
17. InterAccess(AS3789) at AADS 1.08 (28 ann, 26 entries)
18. Cableol(AS5089) at Mae-East 1.00 (4 ann, 4 entries)
19. Merit(AS237) at AADS 0.97 (105 ann, 108 entries)
20. Internex(AS2828) at Paix 0.96 (64 ann, 67 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3956
2. internetMCI (3561) at pb 956
3. BBNplanet (1) at mae-west 434
4. AGIS (4200) at mae-east 372
5. IBMGlobal (2685) at mae-west 222
6. Digex (2548) at mae-west 191
7. Grid (6113) at mae-east 185
8. AT&T (6478) at pb 178
9. CAIS (3491) at aads 173
10. INAP.net (5646) at mae-west 171
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT