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
---------------------------------------
195.6.71.160/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.160/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.160/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.224/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.224/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.224/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.32/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.32/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.32/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.96/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.96/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.96/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 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
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
209.88.14.240/28 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
-------------------
AS65010 at Mae-East from ANS (AS1673) ASPATH=1673
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 133440 + 13613 = 147053 BGP prefix updates
2. internetMCI (AS3561) at PacBell 31676 + 14078 = 45754 BGP prefix updates
3. internetMCI (AS3561) at Mae-East 29791 + 13400 = 43191 BGP prefix updates
4. SPRINT (AS1239) at Mae-East 30058 + 10335 = 40393 BGP prefix updates
5. AT&T (AS6478) at AADS 29767 + 6654 = 36421 BGP prefix updates
6. AT&T (AS6478) at Mae-West 34159 + 582 = 34741 BGP prefix updates
7. BBNplanet (AS1) at Mae-East 14320 + 9808 = 24128 BGP prefix updates
8. AT&T (AS6478) at Mae-East 19283 + 553 = 19836 BGP prefix updates
9. BBNplanet (AS1) at Mae-West 12815 + 4158 = 16973 BGP prefix updates
10. MainStreet (AS3720) at Mae-West 17 + 15688 = 15705 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. INSnet(AS5378) at Mae-East 414.65 (7049 ann, 17 entries)
2. Cableol(AS5089) at Mae-East 85.75 (343 ann, 4 entries)
3. Xara(AS5413) at Mae-East 28.53 (1769 ann, 62 entries)
4. u-net(AS5669) at Mae-West 24.75 (198 ann, 8 entries)
5. AIMnet(AS3763) at Mae-West 23.69 (1208 ann, 51 entries)
6. IPF(AS5409) at Mae-East 19.50 (702 ann, 36 entries)
7. INS(AS6660) at Mae-East 15.20 (532 ann, 35 entries)
8. Nacamar(AS3257) at Mae-West 14.42 (995 ann, 69 entries)
9. AT&T(AS6478) at Mae-West 14.17 (34159 ann, 2410 entries)
10. highway1(AS7922) at Mae-West 13.25 (106 ann, 8 entries)
11. AT&T(AS6478) at AADS 12.35 (29767 ann, 2410 entries)
12. highway1(AS7922) at Mae-East 12.12 (97 ann, 8 entries)
13. Nacamar(AS3257) at Mae-East 8.87 (612 ann, 69 entries)
14. OLEANE(AS2917) at Mae-East 8.86 (372 ann, 42 entries)
15. AT&T(AS6478) at Mae-East 8.00 (19283 ann, 2409 entries)
16. internetMCI(AS3561) at AADS 7.51 (133440 ann, 17778 entries)
17. HLC(AS4565) at Mae-West 7.30 (416 ann, 57 entries)
18. HLC(AS4565) at Mae-East 7.28 (415 ann, 57 entries)
19. HLC(AS4565) at AADS 6.92 (415 ann, 60 entries)
20. WNA(AS2914) at Mae-East 6.60 (8084 ann, 1225 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3744
2. internetMCI (3561) at pb 876
3. BBNplanet (1) at mae-east 393
4. AGIS (4200) at mae-east 375
5. Grid (6113) at pb 296
6. IBMGlobal (2685) at mae-west 237
7. Digex (2548) at mae-west 210
8. AT&T (6478) at aads 167
9. CAIS (3491) at aads 154
10. NASA (297) at mae-west 144
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT