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
---------------------------------------
192.168.120.0/24 at Mae-West from OurWorld (AS7594) ASPATH=7594 6261 6196 INCOMPLETE
192.168.13.0/24 at Mae-West from OurWorld (AS7594) ASPATH=7594 174 IGP
192.168.130.0/24 at Mae-West from OurWorld (AS7594) ASPATH=7594 6261 6196 INCOMPLETE
195.101.148.0/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.128/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.160/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.224/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.32/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.64/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.96/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.0/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.128/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.160/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.224/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.32/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.64/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.96/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
198.17.204.0/27 at Mae-West from OurWorld (AS7594) ASPATH=7594 174 IGP
198.80.116.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.116.192/27 at Mae-West from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.116.192/27 at PacBell from ANS (AS1673) ASPATH=1673 1670 IGP
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
202.47.249.0/28 at Mae-West from OurWorld (AS7594) ASPATH=7594 2497 4774 4651 INCOMPLETE
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
207.26.64.80/28 at Mae-East from ANS (AS1673) ASPATH=1673 1324 IGP
209.77.179.0/27 at Mae-West from OurWorld (AS7594) ASPATH=7594 5671 5676 5676 5676 5676 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
209.88.14.240/28 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
Reserved AS Numbers
-------------------
AS64600 at Mae-East from NASA (AS297) ASPATH=297 64600 IGP
AS65350 at Mae-East from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 4802 INCOMPLETE
AS65531 at Mae-East from VisiNet (AS6261) ASPATH=6261 7594 65350 7706 65531 IGP
AS64600 at Mae-West from NASA (AS297) ASPATH=297 64600 IGP
AS65350 at Mae-West from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 4802 INCOMPLETE
AS65001 at Mae-West from OurWorld (AS7594) ASPATH=7594 6461 6113 65001 IGP
AS65531 at Mae-West from OurWorld (AS7594) ASPATH=7594 65350 7706 65531 IGP
AS65350 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 4802 INCOMPLETE
AS65531 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 65531 IGP
AS65350 at Paix from OurWorld (AS7594) ASPATH=7594 65350 7704 IGP
AS65531 at Paix from OurWorld (AS7594) ASPATH=7594 65350 7706 65531 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. OurWorld (AS7594) at Mae-West 52251 + 149780 = 202031 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 101579 + 29475 = 131054 BGP prefix updates
3. internetMCI (AS3561) at AADS 99484 + 21505 = 120989 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 74568 + 22683 = 97251 BGP prefix updates
5. internetMCI (AS3561) at PacBell 56578 + 21488 = 78066 BGP prefix updates
6. Priori (AS10303) at Mae-East 171 + 58791 = 58962 BGP prefix updates
7. OurWorld (AS7594) at Paix 888 + 49758 = 50646 BGP prefix updates
8. AGIS (AS4200) at Mae-East 25274 + 3405 = 28679 BGP prefix updates
9. MainStreet (AS3720) at Mae-West 0 + 26820 = 26820 BGP prefix updates
10. ANS (AS1673) at Mae-East 24261 + 675 = 24936 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 Mae-West 305.56 (52251 ann, 171 entries)
2. WCG(AS7911) at AADS 30.50 (61 ann, 2 entries)
3. u-net(AS5669) at Mae-West 26.89 (242 ann, 9 entries)
4. Cableol(AS5089) at Mae-East 23.50 (94 ann, 4 entries)
5. IPF(AS5409) at Mae-East 19.70 (532 ann, 27 entries)
6. WCG(AS7911) at PacBell 19.50 (39 ann, 2 entries)
7. VisiNet(AS6261) at Mae-East 17.66 (2879 ann, 163 entries)
8. AIMnet(AS3763) at Mae-West 16.85 (876 ann, 52 entries)
9. VisiNet(AS6261) at Mae-West 16.71 (2657 ann, 159 entries)
10. ANS(AS1673) at Mae-East 14.64 (24261 ann, 1657 entries)
11. highway1(AS7922) at Mae-East 14.44 (130 ann, 9 entries)
12. highway1(AS7922) at Mae-West 13.22 (119 ann, 9 entries)
13. AGIS(AS4200) at Mae-East 13.17 (25274 ann, 1919 entries)
14. OLEANE(AS2917) at Mae-East 10.04 (462 ann, 46 entries)
15. Megsinet(AS7194) at AADS 8.47 (161 ann, 19 entries)
16. u-net(AS5669) at Paix 7.11 (64 ann, 9 entries)
17. Netcom(AS2551) at Mae-West 6.33 (1993 ann, 315 entries)
18. OurWorld(AS7594) at Paix 5.92 (888 ann, 150 entries)
19. Netcom(AS2551) at Mae-East 5.80 (1828 ann, 315 entries)
20. internetMCI(AS3561) at AADS 5.61 (99484 ann, 17743 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3841
2. internetMCI (3561) at aads 758
3. BBNplanet (1) at mae-west 421
4. AGIS (4200) at mae-east 406
5. Grid (6113) at pb 340
6. IBMGlobal (2685) at mae-west 248
7. Digex (2548) at mae-west 220
8. AT&T (6478) at pb 208
9. INAP.net (5646) at aads 165
10. NASA (297) at mae-west 131
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT