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 42526 + 14528 = 57054 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 0 + 11859 = 11859 BGP prefix updates
3. CAIS (AS3491) at AADS 7773 + 1739 = 9512 BGP prefix updates
4. AT&T (AS6478) at AADS 5342 + 1793 = 7135 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 4845 + 1955 = 6800 BGP prefix updates
6. idc (AS4694) at Mae-West 0 + 6477 = 6477 BGP prefix updates
7. SPRINT (AS1239) at Mae-East 5230 + 985 = 6215 BGP prefix updates
8. USCyber (AS4136) at Mae-East 0 + 4128 = 4128 BGP prefix updates
9. internetMCI (AS3561) at PacBell 2243 + 582 = 2825 BGP prefix updates
10. IBMGlobal (AS2685) at AADS 1590 + 1005 = 2595 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 530.00 (1590 ann, 3 entries)
2. OurWorld(AS7594) at Paix 192.38 (2501 ann, 13 entries)
3. CAIS(AS3491) at AADS 9.38 (7773 ann, 829 entries)
4. HLC(AS4565) at AADS 7.27 (487 ann, 67 entries)
5. u-net(AS5669) at Paix 3.88 (31 ann, 8 entries)
6. Internex(AS2828) at AADS 2.62 (189 ann, 72 entries)
7. OLEANE(AS2917) at Mae-East 2.61 (115 ann, 44 entries)
8. WebSecure(AS6583) at AADS 2.50 (5 ann, 2 entries)
9. internetMCI(AS3561) at AADS 2.45 (42526 ann, 17357 entries)
10. AT&T(AS6478) at AADS 2.18 (5342 ann, 2454 entries)
11. HLC(AS4565) at Paix 2.07 (139 ann, 67 entries)
12. EXODUS(AS3967) at AADS 2.05 (211 ann, 103 entries)
13. VisiNet(AS6261) at Mae-East 2.02 (297 ann, 147 entries)
14. ESnet(AS293) at AADS 1.70 (179 ann, 105 entries)
15. Netcom(AS2551) at AADS 1.42 (450 ann, 317 entries)
16. Primenet(AS3549) at AADS 1.40 (191 ann, 136 entries)
17. Genuity(AS3847) at AADS 1.35 (508 ann, 377 entries)
18. Voicenet(AS3932) at Mae-East 1.02 (55 ann, 54 entries)
19. Voicenet(AS3932) at Mae-West 1.02 (55 ann, 54 entries)
20. DISC(AS7170) at Mae-East 1.00 (106 ann, 106 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3780
2. internetMCI (3561) at mae-east 795
3. BBNplanet (1) at mae-west 415
4. AGIS (4200) at mae-east 370
5. IBMGlobal (2685) at mae-east 217
6. Grid (6113) at mae-west 207
7. AT&T (6478) at pb 191
8. Digex (2548) at mae-west 177
9. INAP.net (5646) at aads 167
10. CAIS (3491) at mae-west 147
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT