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
---------------------------------------
133.55.0.11/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 2907 IGP
133.55.0.11/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 2907 IGP
133.55.0.11/32 at AADS from INAP.net (AS5646) ASPATH=5646 2907 IGP
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
199.170.212.132/32 at Mae-East from Seastrom (AS3066) ASPATH=3066 IGP
199.170.212.132/32 at Mae-East from NetAxs (AS4969) ASPATH=4969 3066 IGP
209.100.89.0/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.128/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.160/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.192/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.224/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.32/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.64/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.96/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.91.0/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.95.130.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 Incomplete
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NetKonect (AS6716) at Mae-East 0 + 196259 = 196259 BGP prefix updates
2. idc (AS4694) at Mae-West 49 + 196052 = 196101 BGP prefix updates
3. SPRINT (AS1239) at Mae-East 153686 + 36737 = 190423 BGP prefix updates
4. USCyber (AS4136) at Mae-East 0 + 168731 = 168731 BGP prefix updates
5. GetNet (AS5784) at Mae-East 0 + 131155 = 131155 BGP prefix updates
6. AT&T (AS6478) at Mae-West 57444 + 26353 = 83797 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 49749 + 7356 = 57105 BGP prefix updates
8. AT&T (AS6478) at PacBell 36076 + 1676 = 37752 BGP prefix updates
9. internetMCI (AS3561) at AADS 26595 + 8957 = 35552 BGP prefix updates
10. CompuServe (AS4183) at Mae-East 0 + 35123 = 35123 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 119.51 (8246 ann, 69 entries)
2. VisiNet(AS6261) at Mae-West 54.50 (2834 ann, 52 entries)
3. VisiNet(AS6261) at Mae-East 54.50 (2834 ann, 52 entries)
4. Interpath(AS3407) at Mae-East 34.16 (1093 ann, 32 entries)
5. AT&T(AS6478) at Mae-West 27.80 (57444 ann, 2066 entries)
6. AT&T(AS6478) at PacBell 17.57 (36076 ann, 2053 entries)
7. CableInet(AS5462) at Mae-West 14.98 (659 ann, 44 entries)
8. Nacamar(AS3257) at Mae-West 9.58 (594 ann, 62 entries)
9. Cableol(AS5089) at Mae-East 9.25 (37 ann, 4 entries)
10. AT&T(AS6478) at Mae-East 9.15 (18823 ann, 2057 entries)
11. Priori(AS10303) at Mae-East 8.19 (172 ann, 21 entries)
12. OLEANE(AS2917) at Mae-East 8.00 (344 ann, 43 entries)
13. IBMGlobal(AS2685) at AADS 7.57 (2923 ann, 386 entries)
14. SPRINT(AS1239) at Mae-East 7.49 (153686 ann, 20529 entries)
15. AT&T(AS6478) at AADS 7.48 (15380 ann, 2055 entries)
16. InterAccess(AS3789) at AADS 7.00 (175 ann, 25 entries)
17. Nacamar(AS3257) at Mae-East 6.95 (431 ann, 62 entries)
18. HLC(AS4565) at Mae-West 5.29 (365 ann, 69 entries)
19. Alpha(AS4550) at AADS 5.25 (210 ann, 40 entries)
20. Voicenet(AS3932) at Mae-East 5.00 (260 ann, 52 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3617
2. internetMCI (3561) at pb 649
3. BBNplanet (1) at mae-west 381
4. AGIS (4200) at mae-east 279
5. Grid (6113) at mae-east 185
6. IBMGlobal (2685) at mae-east 184
7. CAIS (3491) at mae-east 183
8. AT&T (6478) at mae-west 164
9. INAP.net (5646) at mae-west 163
10. Digex (2548) at mae-west 158
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT