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
---------------------------------------
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. idc (AS4694) at Mae-West 16 + 123966 = 123982 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 0 + 102893 = 102893 BGP prefix updates
3. GetNet (AS5784) at Mae-East 10 + 87662 = 87672 BGP prefix updates
4. SPRINT (AS1239) at Mae-East 59125 + 16695 = 75820 BGP prefix updates
5. USCyber (AS4136) at Mae-East 0 + 59745 = 59745 BGP prefix updates
6. VisiNet (AS6261) at Mae-West 29355 + 22559 = 51914 BGP prefix updates
7. CompuServe (AS4183) at Mae-East 66 + 48709 = 48775 BGP prefix updates
8. VisiNet (AS6261) at Mae-East 19453 + 19043 = 38496 BGP prefix updates
9. Interpath (AS3407) at Mae-East 8 + 35179 = 35187 BGP prefix updates
10. internetMCI (AS3561) at AADS 19278 + 7777 = 27055 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. VisiNet(AS6261) at Mae-West 1726.76 (29355 ann, 17 entries)
2. VisiNet(AS6261) at Mae-East 1144.29 (19453 ann, 17 entries)
3. Cableol(AS5089) at Mae-East 215.75 (863 ann, 4 entries)
4. NetAxs(AS4969) at Mae-East 71.09 (7180 ann, 101 entries)
5. CAIS(AS3491) at Mae-West 50.20 (20181 ann, 402 entries)
6. IXI(AS5418) at Mae-East 13.33 (40 ann, 3 entries)
7. CableInet(AS5462) at Mae-West 10.86 (478 ann, 44 entries)
8. AGIS(AS4200) at Mae-East 9.08 (8305 ann, 915 entries)
9. Megsinet(AS7194) at AADS 6.95 (132 ann, 19 entries)
10. IBMGlobal(AS2685) at Mae-East 4.41 (3086 ann, 699 entries)
11. CableInet(AS5462) at Mae-East 4.14 (182 ann, 44 entries)
12. IBMGlobal(AS2685) at Mae-West 4.10 (2215 ann, 540 entries)
13. Priori(AS10303) at Mae-West 3.53 (60 ann, 17 entries)
14. IBMGlobal(AS2685) at AADS 3.47 (2427 ann, 700 entries)
15. Home(AS6172) at Paix 3.11 (205 ann, 66 entries)
16. AT&T(AS6478) at PacBell 3.03 (5924 ann, 1954 entries)
17. ValueServe(AS7374) at Mae-West 3.00 (9 ann, 3 entries)
18. AIMnet(AS3763) at Mae-West 3.00 (141 ann, 47 entries)
19. OLEANE(AS2917) at Mae-East 2.95 (127 ann, 43 entries)
20. SPRINT(AS1239) at Mae-East 2.94 (59125 ann, 20109 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3515
2. internetMCI (3561) at pb 619
3. BBNplanet (1) at mae-west 404
4. AGIS (4200) at mae-east 244
5. AT&T (6478) at mae-west 202
6. IBMGlobal (2685) at mae-east 197
7. Grid (6113) at pb 182
8. INAP.net (5646) at aads 151
9. CAIS (3491) at aads 142
10. Digex (2548) at mae-west 134
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT