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
---------------------------------------
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.222.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
206.31.77.12/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.12/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.16/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.16/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.24/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.24/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.28/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.28/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.4/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.4/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.44/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.44/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.52/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.52/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.56/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.56/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.80.170.204/30 at Mae-East from Grid (AS6113) ASPATH=6113 IGP
207.212.14.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5672 10501 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. GetNet (AS5784) at Mae-East 11 + 213899 = 213910 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 0 + 200869 = 200869 BGP prefix updates
3. idc (AS4694) at Mae-West 5 + 109800 = 109805 BGP prefix updates
4. Interpath (AS3407) at Mae-East 69 + 94758 = 94827 BGP prefix updates
5. SPRINT (AS1239) at Mae-East 82161 + 10978 = 93139 BGP prefix updates
6. USCyber (AS4136) at Mae-East 0 + 85288 = 85288 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 45300 + 12847 = 58147 BGP prefix updates
8. internetMCI (AS3561) at AADS 37323 + 15999 = 53322 BGP prefix updates
9. telia (AS1299) at Mae-East 7 + 44437 = 44444 BGP prefix updates
10. BBNplanet (AS1) at Mae-East 16270 + 3650 = 19920 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. NetAxs(AS4969) at Mae-East 172.95 (6399 ann, 37 entries)
2. Priori(AS10303) at Mae-West 35.42 (425 ann, 12 entries)
3. Priori(AS10303) at Mae-East 26.75 (428 ann, 16 entries)
4. Nacamar(AS3257) at Mae-West 23.20 (1044 ann, 45 entries)
5. Nacamar(AS3257) at Mae-East 14.63 (761 ann, 52 entries)
6. CableInet(AS5462) at Mae-West 10.93 (470 ann, 43 entries)
7. HLC(AS4565) at Mae-East 8.30 (548 ann, 66 entries)
8. HLC(AS4565) at Mae-West 7.97 (534 ann, 67 entries)
9. Cableol(AS5089) at Mae-East 7.00 (21 ann, 3 entries)
10. AGIS(AS4200) at Mae-East 6.21 (10924 ann, 1760 entries)
11. Netcom(AS2551) at Mae-East 6.21 (2042 ann, 329 entries)
12. HLC(AS4565) at AADS 5.96 (399 ann, 67 entries)
13. DREN(AS668) at Mae-West 5.85 (1357 ann, 232 entries)
14. Voicenet(AS3932) at Mae-East 5.00 (280 ann, 56 entries)
15. WebSecure(AS6583) at Mae-East 4.50 (9 ann, 2 entries)
16. Erols(AS6079) at Mae-East 4.42 (53 ann, 12 entries)
17. NASA(AS297) at Mae-East 4.40 (1253 ann, 285 entries)
18. SPRINT(AS1239) at Mae-East 4.06 (82161 ann, 20251 entries)
19. Dialnet(AS5552) at Mae-East 4.01 (309 ann, 77 entries)
20. FiberNet(AS6259) at Mae-East 4.00 (16 ann, 4 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3647
2. internetMCI (3561) at aads 558
3. AGIS (4200) at mae-east 415
4. BBNplanet (1) at mae-west 398
5. CWIX (5683) at mae-east 239
6. AT&T (6478) at pb 214
7. Grid (6113) at pb 169
8. IBMGlobal (2685) at aads 167
9. NASA (297) at mae-west 146
10. Digex (2548) at mae-west 144
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT