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
---------------------------------------
165.212.20.16/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.20.24/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.20.8/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.200.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.200.80/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.0/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.32/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
192.245.161.47/32 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
193.234.249.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
194.117.170.240/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
195.12.164.128/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.144/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.160/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.192/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.248/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.196.29.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
195.196.29.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
195.196.37.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
195.196.37.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
205.214.79.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.79.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.88.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.94.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.94.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
206.185.10.249/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.149.30/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
207.172.243.13/32 at Mae-East from Erols (AS6079) ASPATH=6079 INCOMPLETE
207.172.243.13/32 at Mae-East from Dialnet (AS5552) ASPATH=5552 6079 INCOMPLETE
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 49979 + 11971 = 61950 BGP prefix updates
2. internetMCI (AS3561) at AADS 37449 + 8936 = 46385 BGP prefix updates
3. AT&T (AS7018) at AADS 26202 + 1441 = 27643 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 17900 + 9059 = 26959 BGP prefix updates
5. internetMCI (AS3561) at PacBell 17495 + 8670 = 26165 BGP prefix updates
6. MainStreet (AS3720) at Mae-West 4 + 23993 = 23997 BGP prefix updates
7. AT&T (AS7018) at Mae-East 20148 + 1475 = 21623 BGP prefix updates
8. AT&T (AS7018) at PacBell 19289 + 1577 = 20866 BGP prefix updates
9. AT&T (AS7018) at Mae-West 18133 + 1641 = 19774 BGP prefix updates
10. OurWorld (AS7594) at Mae-West 9927 + 450 = 10377 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. OurWorld(AS7594) at Paix 217.00 (434 ann, 2 entries)
2. ICI(AS6561) at Mae-West 12.47 (187 ann, 15 entries)
3. OurWorld(AS7594) at Mae-West 6.24 (1554 ann, 249 entries)
4. AIMnet(AS3763) at Mae-West 4.60 (244 ann, 53 entries)
5. u-net(AS5669) at Mae-West 4.30 (43 ann, 10 entries)
6. UIUC(AS38) at AADS 4.00 (32 ann, 8 entries)
7. VisiNet(AS6261) at Mae-West 3.64 (775 ann, 213 entries)
8. VisiNet(AS6261) at Mae-East 2.90 (638 ann, 220 entries)
9. GEOnet(AS3356) at PacBell 1.62 (165 ann, 102 entries)
10. Priori(AS10303) at Paix 1.57 (11 ann, 7 entries)
11. Above(AS6461) at Paix 1.51 (118 ann, 78 entries)
12. DREN(AS668) at Mae-West 1.46 (406 ann, 278 entries)
13. Priori(AS10303) at Mae-West 1.41 (55 ann, 39 entries)
14. OLEANE(AS2917) at Mae-East 1.37 (70 ann, 51 entries)
15. DREN(AS668) at Mae-East 1.36 (378 ann, 277 entries)
16. Above(AS6461) at PacBell 1.31 (461 ann, 351 entries)
17. Above(AS6461) at AADS 1.31 (461 ann, 351 entries)
18. Above(AS6461) at Mae-East 1.23 (435 ann, 354 entries)
19. Priori(AS10303) at Mae-East 1.10 (55 ann, 50 entries)
20. LinkAGE(AS4058) at Mae-West 1.00 (30 ann, 30 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3994
2. internetMCI (3561) at pb 729
3. BBNplanet (1) at mae-west 487
4. AGIS (4200) at mae-east 378
5. Digex (2548) at mae-west 360
6. IBMGlobal (2685) at mae-west 348
7. AT&T (7018) at aads 263
8. INAP.net (5646) at aads 204
9. Grid (6113) at pb 165
10. CAIS (3491) at aads 161
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT