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
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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
Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NetKonect (AS6716) at Mae-East 0 + 81748 = 81748 BGP prefix updates
2. USCyber (AS4136) at Mae-East 0 + 60208 = 60208 BGP prefix updates
3. GetNet (AS5784) at Mae-East 0 + 56768 = 56768 BGP prefix updates
4. internetMCI (AS3561) at AADS 42638 + 11230 = 53868 BGP prefix updates
5. SPRINT (AS1239) at Mae-East 28726 + 10526 = 39252 BGP prefix updates
6. ANS (AS1673) at Mae-East 22873 + 454 = 23327 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 13603 + 6522 = 20125 BGP prefix updates
8. EUnet (AS286) at Mae-East 10190 + 9129 = 19319 BGP prefix updates
9. telia (AS1299) at Mae-East 188 + 14218 = 14406 BGP prefix updates
10. CompuServe (AS4183) at Mae-East 40 + 11433 = 11473 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. ThePlanet(AS5388) at Mae-East 13.13 (499 ann, 38 entries)
2. ANS(AS1673) at Mae-East 10.63 (22873 ann, 2151 entries)
3. IBMGlobal(AS2685) at AADS 9.88 (405 ann, 41 entries)
4. EUnet(AS286) at Mae-East 9.16 (10190 ann, 1112 entries)
5. CAIS(AS3491) at AADS 3.65 (3523 ann, 965 entries)
6. conxion(AS4544) at Mae-East 3.56 (64 ann, 18 entries)
7. NetAxs(AS4969) at Mae-East 2.82 (274 ann, 97 entries)
8. internetMCI(AS3561) at AADS 2.48 (42638 ann, 17183 entries)
9. OLEANE(AS2917) at Mae-East 2.19 (92 ann, 42 entries)
10. Digex(AS2548) at Mae-East 2.17 (1935 ann, 891 entries)
11. Internex(AS2828) at AADS 1.88 (113 ann, 60 entries)
12. Internex(AS2828) at Mae-East 1.85 (109 ann, 59 entries)
13. AGIS(AS4200) at Mae-East 1.78 (3166 ann, 1776 entries)
14. WNA(AS2914) at Mae-East 1.69 (1894 ann, 1121 entries)
15. WireHub(AS5496) at Mae-East 1.67 (25 ann, 15 entries)
16. Priori(AS10303) at Mae-East 1.64 (36 ann, 22 entries)
17. Above(AS6461) at Mae-East 1.48 (142 ann, 96 entries)
18. SPRINT(AS1239) at Mae-East 1.36 (28726 ann, 21161 entries)
19. CAIS(AS3491) at Mae-East 1.32 (3126 ann, 2374 entries)
20. CAIS(AS3491) at Mae-East 1.31 (3105 ann, 2374 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3579
2. internetMCI (3561) at pb 986
3. BBNplanet (1) at mae-west 392
4. AGIS (4200) at mae-east 343
5. IBMGlobal (2685) at mae-west 205
6. Grid (6113) at mae-west 183
7. INAP.net (5646) at aads 169
8. AT&T (6478) at aads 153
9. Digex (2548) at mae-west 150
10. CAIS (3491) at aads 146
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT