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
---------------------------------------
192.111.117.28/32 at AADS from Merit (AS237) ASPATH=237 INCOMPLETE
192.198.129.128/27 at Mae-East from conxion (AS4544) ASPATH=4544 1760 IGP
192.198.129.128/27 at AADS from conxion (AS4544) ASPATH=4544 1760 IGP
Reserved AS Numbers
-------------------
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 28728 + 10993 = 39721 BGP prefix updates
2. Nacamar (AS3257) at Mae-West 73 + 13727 = 13800 BGP prefix updates
3. NetKonect (AS6716) at Mae-East 0 + 12233 = 12233 BGP prefix updates
4. idc (AS4694) at Mae-West 0 + 9939 = 9939 BGP prefix updates
5. MIBX (AS6218) at PacBell 4266 + 3997 = 8263 BGP prefix updates
6. internetMCI (AS3561) at Mae-East 6019 + 1630 = 7649 BGP prefix updates
7. SPRINT (AS1239) at Mae-East 4944 + 1230 = 6174 BGP prefix updates
8. AT&T (AS6478) at AADS 4726 + 1280 = 6006 BGP prefix updates
9. CAIS (AS3491) at AADS 3830 + 1537 = 5367 BGP prefix updates
10. USCyber (AS4136) at Mae-East 0 + 5246 = 5246 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. MIBX(AS6218) at PacBell 33.86 (4266 ann, 126 entries)
2. IBMGlobal(AS2685) at AADS 12.62 (2082 ann, 165 entries)
3. HLC(AS4565) at AADS 7.86 (511 ann, 65 entries)
4. ICI(AS6561) at Mae-West 6.00 (12 ann, 2 entries)
5. Netcom(AS2551) at AADS 4.36 (1374 ann, 315 entries)
6. Internex(AS2828) at AADS 4.11 (263 ann, 64 entries)
7. CAIS(AS3491) at AADS 3.25 (3830 ann, 1179 entries)
8. HLC(AS4565) at Paix 2.48 (161 ann, 65 entries)
9. AT&T(AS6478) at AADS 2.13 (4726 ann, 2217 entries)
10. Priori(AS10303) at Paix 2.12 (72 ann, 34 entries)
11. OLEANE(AS2917) at Mae-East 2.12 (91 ann, 43 entries)
12. INCnet(AS3857) at AADS 2.09 (117 ann, 56 entries)
13. UIC(AS6200) at AADS 2.00 (6 ann, 3 entries)
14. VisiNet(AS6261) at Mae-East 1.93 (276 ann, 143 entries)
15. Primenet(AS3549) at AADS 1.89 (270 ann, 143 entries)
16. ESnet(AS293) at AADS 1.72 (181 ann, 105 entries)
17. internetMCI(AS3561) at AADS 1.67 (28728 ann, 17228 entries)
18. NetAxs(AS4969) at Mae-East 1.47 (352 ann, 240 entries)
19. AGIS(AS4200) at Mae-East 1.39 (2375 ann, 1703 entries)
20. Merit(AS237) at AADS 1.30 (137 ann, 105 entries)
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT