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. internetMCI (AS3561) at PacBell 38042 + 22757 = 60799 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 37980 + 9395 = 47375 BGP prefix updates
3. internetMCI (AS3561) at Mae-East 23919 + 9833 = 33752 BGP prefix updates
4. internetMCI (AS3561) at AADS 23880 + 9851 = 33731 BGP prefix updates
5. MainStreet (AS3720) at Mae-West 10 + 30744 = 30754 BGP prefix updates
6. WNA (AS2914) at Mae-East 15531 + 8744 = 24275 BGP prefix updates
7. WNA (AS2914) at Mae-West 15880 + 7898 = 23778 BGP prefix updates
8. WNA (AS2914) at Paix 4218 + 3262 = 7480 BGP prefix updates
9. CWIX (AS5683) at Mae-East 4069 + 3315 = 7384 BGP prefix updates
10. AT&T (AS6478) at AADS 4838 + 720 = 5558 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 89.25 (357 ann, 4 entries)
2. u-net(AS5669) at Mae-West 53.71 (376 ann, 7 entries)
3. AIMnet(AS3763) at Mae-West 21.84 (1092 ann, 50 entries)
4. highway1(AS7922) at Mae-West 16.25 (130 ann, 8 entries)
5. u-net(AS5669) at Paix 14.62 (117 ann, 8 entries)
6. highway1(AS7922) at Mae-East 14.25 (114 ann, 8 entries)
7. WNA(AS2914) at Mae-East 12.61 (15531 ann, 1232 entries)
8. HLC(AS4565) at AADS 10.68 (769 ann, 72 entries)
9. HLC(AS4565) at Mae-West 10.43 (751 ann, 72 entries)
10. HLC(AS4565) at Mae-East 10.40 (749 ann, 72 entries)
11. INS(AS6660) at Mae-East 8.81 (317 ann, 36 entries)
12. Xara(AS5413) at Mae-East 7.53 (437 ann, 58 entries)
13. EXODUS(AS3967) at Mae-West 7.39 (1706 ann, 231 entries)
14. IPF(AS5409) at Mae-East 7.36 (265 ann, 36 entries)
15. Seastrom(AS3066) at Mae-East 7.00 (14 ann, 2 entries)
16. WNA(AS2914) at Mae-West 6.48 (15880 ann, 2452 entries)
17. WNA(AS2914) at Mae-West 6.25 (15323 ann, 2452 entries)
18. Above(AS6461) at PacBell 6.19 (1578 ann, 255 entries)
19. InterAccess(AS3789) at AADS 5.78 (156 ann, 27 entries)
20. Internex(AS2828) at AADS 5.19 (420 ann, 81 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3672
2. internetMCI (3561) at pb 937
3. BBNplanet (1) at mae-east 356
4. AGIS (4200) at mae-east 354
5. IBMGlobal (2685) at mae-east 250
6. Grid (6113) at pb 206
7. Digex (2548) at mae-west 167
8. AT&T (6478) at pb 156
9. INAP.net (5646) at aads 148
10. NASA (297) at mae-west 121
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT