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
To unsubscribe from this list, send mail to routing-problems-request@merit.edu.
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
---------------------------------------
138.221.250.64/27 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 INCOMPLETE
166.48.225.248/30 at AADS from Merit (AS237) ASPATH=237 INCOMPLETE
209.95.130.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 INCOMPLETE
Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 110612 + 16819 = 127431 BGP prefix updates
2. USCyber (AS4136) at Mae-East 0 + 104021 = 104021 BGP prefix updates
3. NetKonect (AS6716) at Mae-East 0 + 98264 = 98264 BGP prefix updates
4. GetNet (AS5784) at Mae-East 0 + 75043 = 75043 BGP prefix updates
5. internetMCI (AS3561) at AADS 55963 + 15660 = 71623 BGP prefix updates
6. internetMCI (AS3561) at Mae-East 45497 + 15731 = 61228 BGP prefix updates
7. Seastrom (AS3066) at Mae-East 2 + 50063 = 50065 BGP prefix updates
8. telia (AS1299) at Mae-East 263 + 14443 = 14706 BGP prefix updates
9. CompuServe (AS4183) at Mae-East 9 + 12839 = 12848 BGP prefix updates
10. BBNplanet (AS1) at Mae-East 9428 + 3171 = 12599 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Pilot(AS3563) at Paix 20.33 (1525 ann, 75 entries)
2. NetAxs(AS4969) at Mae-East 11.34 (2222 ann, 196 entries)
3. OLEANE(AS2917) at Mae-East 10.69 (449 ann, 42 entries)
4. ThePlanet(AS5388) at Mae-East 8.10 (332 ann, 41 entries)
5. Euro(AS5390) at Mae-East 7.20 (36 ann, 5 entries)
6. HLC(AS4565) at AADS 7.14 (471 ann, 66 entries)
7. HLC(AS4565) at Mae-East 6.50 (429 ann, 66 entries)
8. IBMGlobal(AS2685) at AADS 6.34 (1445 ann, 228 entries)
9. DREN(AS668) at Mae-East 6.15 (1434 ann, 233 entries)
10. VisiNet(AS6261) at Mae-East 5.36 (573 ann, 107 entries)
11. SPRINT(AS1239) at Mae-East 5.08 (110612 ann, 21784 entries)
12. NASA(AS297) at Mae-East 4.95 (1401 ann, 283 entries)
13. Internex(AS2828) at AADS 4.86 (316 ann, 65 entries)
14. CAIS(AS3491) at AADS 4.52 (5069 ann, 1122 entries)
15. Internex(AS2828) at Mae-East 4.40 (286 ann, 65 entries)
16. Intermedia(AS6235) at Mae-East 4.22 (962 ann, 228 entries)
17. AGIS(AS4200) at Mae-East 3.74 (6368 ann, 1703 entries)
18. ESnet(AS293) at Mae-East 3.70 (700 ann, 189 entries)
19. internetMCI(AS3561) at AADS 3.25 (55963 ann, 17193 entries)
20. AT&T(AS6478) at Mae-East 3.04 (6294 ann, 2071 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 aads 828
3. BBNplanet (1) at mae-west 384
4. AGIS (4200) at mae-east 363
5. IBMGlobal (2685) at mae-east 234
6. Grid (6113) at pb 191
7. AT&T (6478) at aads 165
8. Digex (2548) at mae-west 162
9. INAP.net (5646) at mae-west 153
10. CAIS (3491) at aads 148
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT