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
---------------------------------------
165.212.20.16/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.20.16/29 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.20.16/29 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.20.24/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.20.24/29 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.20.24/29 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.20.8/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.20.8/29 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.20.8/29 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.200.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.200.16/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.200.16/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.200.32/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.200.32/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.200.32/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.200.80/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.200.80/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.200.80/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.0/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.0/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.0/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.16/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.16/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.32/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.32/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.32/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.48/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.48/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
168.83.61.20/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7303 4270 4387 IGP
193.234.249.64/27 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
200.30.42.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.64/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.72/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.80/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
205.214.73.8/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 IGP
205.214.73.8/29 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 IGP
205.214.73.8/29 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 IGP
205.214.79.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.79.16/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.79.16/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.79.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.79.48/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.79.48/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.88.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.88.16/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.88.16/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.94.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.94.32/27 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.94.32/27 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.94.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.94.64/27 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.94.64/27 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
209.88.14.0/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.128/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.192/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.240/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.32/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.64/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.96/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.15.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.15.96/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
Reserved AS Numbers
-------------------
AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65000 at AADS from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65000 at PacBell from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 123717 + 19188 = 142905 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 63679 + 15090 = 78769 BGP prefix updates
3. internetMCI (AS3561) at Mae-East 48861 + 20466 = 69327 BGP prefix updates
4. internetMCI (AS3561) at PacBell 46668 + 18583 = 65251 BGP prefix updates
5. MainStreet (AS3720) at Mae-West 2 + 45791 = 45793 BGP prefix updates
6. BBNplanet (AS1) at Mae-East 25297 + 4464 = 29761 BGP prefix updates
7. AGIS (AS4200) at Mae-East 23317 + 4634 = 27951 BGP prefix updates
8. GoodNet (AS5696) at Mae-West 25111 + 103 = 25214 BGP prefix updates
9. BBNplanet (AS1) at Mae-West 12265 + 3970 = 16235 BGP prefix updates
10. AS7018 at Mae-East 9217 + 5147 = 14364 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. GoodNet(AS5696) at Mae-West 19.38 (7967 ann, 411 entries)
2. OurWorld(AS7594) at Mae-West 12.50 (3001 ann, 240 entries)
3. VisiNet(AS6261) at Mae-West 12.37 (2535 ann, 205 entries)
4. VisiNet(AS6261) at Mae-East 11.58 (2373 ann, 205 entries)
5. EXODUS(AS3967) at Paix 9.62 (154 ann, 16 entries)
6. AIMnet(AS3763) at Mae-West 8.44 (439 ann, 52 entries)
7. IBMGlobal(AS2685) at AADS 6.30 (277 ann, 44 entries)
8. AGIS(AS4200) at Mae-East 5.32 (10469 ann, 1968 entries)
9. GEOnet(AS3356) at PacBell 4.10 (422 ann, 103 entries)
10. internetMCI(AS3561) at AADS 2.93 (52630 ann, 17965 entries)
11. Nacamar(AS3257) at Mae-West 2.76 (204 ann, 74 entries)
12. Digex(AS2548) at Mae-East 2.40 (2733 ann, 1137 entries)
13. Digex(AS2548) at Mae-West 2.24 (1692 ann, 757 entries)
14. IPF(AS5409) at Mae-East 2.08 (77 ann, 37 entries)
15. internetMCI(AS3561) at PacBell 1.81 (32569 ann, 17950 entries)
16. ANS(AS1673) at Mae-East 1.81 (3229 ann, 1787 entries)
17. EXODUS(AS3967) at PacBell 1.65 (191 ann, 116 entries)
18. SPRINT(AS1239) at Mae-East 1.63 (35617 ann, 21811 entries)
19. ICI(AS6561) at Mae-West 1.60 (24 ann, 15 entries)
20. Internex(AS2828) at Paix 1.58 (30 ann, 19 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3954
2. internetMCI (3561) at aads 794
3. BBNplanet (1) at mae-west 521
4. Digex (2548) at mae-west 397
5. AGIS (4200) at mae-east 285
6. AT&T (6478) at pb 259
7. IBMGlobal (2685) at mae-west 255
8. INAP.net (5646) at aads 216
9. Grid (6113) at pb 202
10. DREN (668) at mae-east 147
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT