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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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
Reserved AS Numbers
-------------------
AS65010 at Mae-East from ANS (AS1673) ASPATH=1673
AS65010 at PacBell from ANS (AS1673) ASPATH=1673
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 62341 + 17150 = 79491 BGP prefix updates
2. internetMCI (AS3561) at PacBell 45143 + 14779 = 59922 BGP prefix updates
3. internetMCI (AS3561) at AADS 39409 + 12463 = 51872 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 38625 + 12456 = 51081 BGP prefix updates
5. MainStreet (AS3720) at Mae-West 3 + 31980 = 31983 BGP prefix updates
6. BBNplanet (AS1) at Mae-East 24215 + 3345 = 27560 BGP prefix updates
7. WNA (AS2914) at Mae-East 15707 + 8504 = 24211 BGP prefix updates
8. WNA (AS2914) at Mae-West 15882 + 7669 = 23551 BGP prefix updates
9. BBNplanet (AS1) at Mae-West 5191 + 2718 = 7909 BGP prefix updates
10. WNA (AS2914) at Paix 4322 + 2840 = 7162 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 84.00 (336 ann, 4 entries)
2. u-net(AS5669) at Mae-West 33.75 (270 ann, 8 entries)
3. AIMnet(AS3763) at Mae-West 23.28 (1164 ann, 50 entries)
4. highway1(AS7922) at Mae-West 15.38 (123 ann, 8 entries)
5. highway1(AS7922) at Mae-East 14.62 (117 ann, 8 entries)
6. WNA(AS2914) at Mae-East 13.46 (15707 ann, 1167 entries)
7. u-net(AS5669) at Paix 11.00 (77 ann, 7 entries)
8. HLC(AS4565) at Mae-West 10.47 (754 ann, 72 entries)
9. Nacamar(AS3257) at Mae-West 9.45 (104 ann, 11 entries)
10. HLC(AS4565) at AADS 9.43 (679 ann, 72 entries)
11. HLC(AS4565) at Mae-East 9.33 (672 ann, 72 entries)
12. InterAccess(AS3789) at AADS 6.93 (187 ann, 27 entries)
13. WNA(AS2914) at Mae-West 6.78 (15882 ann, 2342 entries)
14. WNA(AS2914) at Mae-West 6.63 (15523 ann, 2342 entries)
15. conxion(AS4544) at Mae-West 6.00 (36 ann, 6 entries)
16. BBNplanet(AS1) at Mae-East 5.21 (24215 ann, 4651 entries)
17. OLEANE(AS2917) at Mae-East 5.17 (238 ann, 46 entries)
18. Internex(AS2828) at AADS 5.05 (409 ann, 81 entries)
19. Internex(AS2828) at Mae-East 5.00 (405 ann, 81 entries)
20. EXODUS(AS3967) at PacBell 4.16 (483 ann, 116 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3733
2. internetMCI (3561) at pb 848
3. AGIS (4200) at mae-east 358
4. BBNplanet (1) at mae-east 354
5. IBMGlobal (2685) at mae-east 242
6. Grid (6113) at pb 211
7. Digex (2548) at mae-west 170
8. AT&T (6478) at mae-west 150
9. CAIS (3491) at aads 150
10. INAP.net (5646) at aads 145
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT