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
---------------------------------------
195.101.148.0/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.0/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.0/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.128/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.128/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.128/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.160/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.160/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.160/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.192/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.192/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.224/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.224/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.224/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.32/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.32/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.32/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.64/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.64/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.64/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.96/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.96/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.96/27 at PacBell 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
198.80.116.192/27 at Mae-East 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
202.163.0.224/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 7589 IGP
202.163.0.52/30 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 7589 INCOMPLETE
202.163.4.0/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 7589 INCOMPLETE
202.163.4.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 7589 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
207.26.64.80/28 at PacBell from ANS (AS1673) ASPATH=1673 1675 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
AS64600 at Mae-West from NASA (AS297) ASPATH=297 64600 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 150404 + 24031 = 174435 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 69307 + 29088 = 98395 BGP prefix updates
3. internetMCI (AS3561) at PacBell 73349 + 22754 = 96103 BGP prefix updates
4. AT&T (AS6478) at Mae-East 86036 + 2779 = 88815 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 52924 + 23753 = 76677 BGP prefix updates
6. Digex (AS2548) at Mae-East 47057 + 29454 = 76511 BGP prefix updates
7. Digex (AS2548) at Mae-West 30230 + 29485 = 59715 BGP prefix updates
8. Nacamar (AS3257) at Mae-West 17559 + 17404 = 34963 BGP prefix updates
9. MainStreet (AS3720) at Mae-West 0 + 32218 = 32218 BGP prefix updates
10. AGIS (AS4200) at Mae-East 27443 + 2364 = 29807 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Nacamar(AS3257) at Mae-West 234.12 (17559 ann, 75 entries)
2. VBC(AS6320) at Mae-West 96.36 (2120 ann, 22 entries)
3. Digex(AS2548) at Mae-East 49.85 (47057 ann, 944 entries)
4. Digex(AS2548) at Mae-West 32.02 (30230 ann, 944 entries)
5. Cableol(AS5089) at Mae-East 26.50 (106 ann, 4 entries)
6. AT&T(AS6478) at Mae-East 25.40 (86036 ann, 3387 entries)
7. AIMnet(AS3763) at Mae-West 19.62 (1020 ann, 52 entries)
8. IPF(AS5409) at Mae-East 15.03 (526 ann, 35 entries)
9. AGIS(AS4200) at Mae-East 14.38 (27443 ann, 1908 entries)
10. OLEANE(AS2917) at Mae-East 14.07 (633 ann, 45 entries)
11. Nacamar(AS3257) at Mae-East 12.67 (950 ann, 75 entries)
12. highway1(AS7922) at Mae-East 12.62 (101 ann, 8 entries)
13. highway1(AS7922) at Mae-West 11.62 (93 ann, 8 entries)
14. NetAxs(AS4969) at Mae-East 11.56 (2370 ann, 205 entries)
15. Intelenet(AS5693) at Mae-West 8.58 (223 ann, 26 entries)
16. internetMCI(AS3561) at AADS 8.46 (150404 ann, 17781 entries)
17. OurWorld(AS7594) at Mae-West 7.55 (1239 ann, 164 entries)
18. AT&T(AS6478) at PacBell 6.41 (21803 ann, 3400 entries)
19. Above(AS6461) at PacBell 6.18 (1612 ann, 261 entries)
20. AT&T(AS6478) at AADS 6.15 (20869 ann, 3396 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3981
2. internetMCI (3561) at pb 815
3. BBNplanet (1) at mae-west 408
4. AGIS (4200) at mae-east 376
5. Grid (6113) at pb 336
6. IBMGlobal (2685) at mae-west 292
7. Digex (2548) at mae-west 211
8. AT&T (6478) at pb 205
9. CAIS (3491) at aads 147
10. INAP.net (5646) at aads 144
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT