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
---------------------------------------
193.234.249.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
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
206.185.236.4/30 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
207.26.64.80/28 at Mae-West from ANS (AS1673) ASPATH=1673 1675 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
209.88.14.64/28 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
AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS64600 at Mae-West from NASA (AS297) ASPATH=297 64600 IGP
AS65000 at AADS from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65000 at PacBell from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 96082 + 32275 = 128357 BGP prefix updates
2. AT&T (AS6478) at AADS 88725 + 1312 = 90037 BGP prefix updates
3. internetMCI (AS3561) at PacBell 69042 + 15134 = 84176 BGP prefix updates
4. Nacamar (AS3257) at Mae-West 31990 + 31893 = 63883 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 45554 + 15809 = 61363 BGP prefix updates
6. internetMCI (AS3561) at AADS 42741 + 16380 = 59121 BGP prefix updates
7. AT&T (AS6478) at PacBell 50853 + 3460 = 54313 BGP prefix updates
8. AGIS (AS4200) at Mae-East 26556 + 4502 = 31058 BGP prefix updates
9. MainStreet (AS3720) at Mae-West 0 + 26320 = 26320 BGP prefix updates
10. AT&T (AS6478) at Mae-West 16276 + 3477 = 19753 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 976.73 (10744 ann, 11 entries)
2. Nacamar(AS3257) at Mae-East 74.34 (4312 ann, 58 entries)
3. Cableol(AS5089) at Mae-East 25.00 (100 ann, 4 entries)
4. AIMnet(AS3763) at Mae-West 11.02 (562 ann, 51 entries)
5. DREN(AS668) at Mae-West 4.42 (1079 ann, 244 entries)
6. DREN(AS668) at Mae-East 4.33 (1112 ann, 257 entries)
7. DISC(AS7170) at Mae-East 3.79 (572 ann, 151 entries)
8. highway1(AS7922) at Mae-East 3.67 (33 ann, 9 entries)
9. highway1(AS7922) at Mae-West 3.56 (32 ann, 9 entries)
10. InterAccess(AS3789) at AADS 2.29 (64 ann, 28 entries)
11. Pilot(AS3563) at PacBell 2.28 (155 ann, 68 entries)
12. Pilot(AS3563) at Paix 2.10 (149 ann, 71 entries)
13. Seastrom(AS3066) at Mae-East 2.00 (4 ann, 2 entries)
14. ANS(AS1673) at Mae-East 1.77 (3125 ann, 1767 entries)
15. Internex(AS2828) at Mae-East 1.58 (123 ann, 78 entries)
16. WCG(AS7911) at PacBell 1.50 (3 ann, 2 entries)
17. WCG(AS7911) at AADS 1.50 (3 ann, 2 entries)
18. NASA(AS297) at Mae-West 1.30 (1098 ann, 846 entries)
19. ANS(AS1673) at PacBell 1.26 (2171 ann, 1726 entries)
20. ANS(AS1673) at Mae-West 1.21 (2112 ann, 1742 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 4760
2. internetMCI (3561) at pb 2321
3. ANS (1673) at pb 949
4. BBNplanet (1) at mae-west 764
5. AGIS (4200) at mae-east 578
6. AT&T (6478) at aads 522
7. Digex (2548) at mae-west 442
8. EUnet (286) at mae-east 377
9. Grid (6113) at pb 341
10. IBMGlobal (2685) at mae-west 329
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT