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 42024 + 14933 = 56957 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 21946 + 26048 = 47994 BGP prefix updates
3. NetKonect (AS6716) at Mae-East 0 + 43259 = 43259 BGP prefix updates
4. USCyber (AS4136) at Mae-East 0 + 22038 = 22038 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 15605 + 1535 = 17140 BGP prefix updates
6. idc (AS4694) at Mae-West 0 + 6979 = 6979 BGP prefix updates
7. CAIS (AS3491) at AADS 2682 + 1285 = 3967 BGP prefix updates
8. NetAxs (AS4969) at Mae-East 3452 + 66 = 3518 BGP prefix updates
9. WNA (AS2914) at Paix 1961 + 802 = 2763 BGP prefix updates
10. CompuServe (AS4183) at Mae-East 0 + 2628 = 2628 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 181.33 (544 ann, 3 entries)
2. OurWorld(AS7594) at Paix 44.00 (44 ann, 1 entries)
3. Nacamar(AS3257) at Mae-East 38.00 (608 ann, 16 entries)
4. Nacamar(AS3257) at Mae-West 19.00 (304 ann, 16 entries)
5. NetAxs(AS4969) at Mae-East 13.92 (3452 ann, 248 entries)
6. HLC(AS4565) at AADS 5.52 (353 ann, 64 entries)
7. Primenet(AS3549) at AADS 4.44 (613 ann, 138 entries)
8. Internex(AS2828) at AADS 4.34 (308 ann, 71 entries)
9. Merit(AS237) at AADS 3.64 (389 ann, 107 entries)
10. Alpha(AS4550) at AADS 3.39 (129 ann, 38 entries)
11. CAIS(AS3491) at AADS 2.66 (2682 ann, 1009 entries)
12. EXODUS(AS3967) at AADS 2.43 (267 ann, 110 entries)
13. internetMCI(AS3561) at AADS 2.41 (42024 ann, 17443 entries)
14. ThePlanet(AS5388) at Mae-East 2.25 (173 ann, 77 entries)
15. Netcom(AS2551) at AADS 2.17 (673 ann, 310 entries)
16. HLC(AS4565) at Paix 1.94 (124 ann, 64 entries)
17. VisiNet(AS6261) at Mae-East 1.81 (303 ann, 167 entries)
18. WNA(AS2914) at Paix 1.68 (1961 ann, 1168 entries)
19. IXI(AS5418) at Mae-East 1.67 (5 ann, 3 entries)
20. Genuity(AS3847) at AADS 1.64 (539 ann, 329 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3885
2. internetMCI (3561) at mae-east 978
3. BBNplanet (1) at mae-west 436
4. AGIS (4200) at mae-east 354
5. IBMGlobal (2685) at mae-east 228
6. CAIS (3491) at aads 201
7. Digex (2548) at mae-west 195
8. Grid (6113) at pb 194
9. AT&T (6478) at pb 185
10. INAP.net (5646) at aads 171
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT