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
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Also see http://www.caida.org for more information about Internet statistics
collection research efforts.
Reserved Network and Host Announcements
---------------------------------------
192.116.206.112/28 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.206.128/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.206.192/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.206.80/28 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.206.96/28 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.207.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.207.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.207.64/28 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.213.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.226.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.226.96/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.221.5.240/29 at Mae-East from BBNplanet (AS1) ASPATH=1 IGP
192.239.22.0/29 at Mae-East from DREN (AS668) ASPATH=668 7170 1 IGP
192.239.22.0/29 at Mae-East from BBNplanet (AS1) ASPATH=1 IGP
192.239.22.0/29 at Mae-West from BBNplanet (AS1) ASPATH=1 IGP
192.239.22.0/29 at Mae-West from DREN (AS668) ASPATH=668 7170 1 IGP
195.204.43.32/27 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 3301 5381 IGP
205.198.78.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
207.65.42.16/28 at Mae-East from BBNplanet (AS1) ASPATH=1 6203 IGP
207.65.42.16/28 at Mae-West from BBNplanet (AS1) ASPATH=1 6203 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 78307 + 100284 = 178591 BGP prefix updates
2. idc (AS4694) at Mae-West 24 + 129346 = 129370 BGP prefix updates
3. Grid (AS6113) at Mae-East 243 + 113180 = 113423 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 83819 + 27567 = 111386 BGP prefix updates
5. Grid (AS6113) at PacBell 239 + 109720 = 109959 BGP prefix updates
6. Grid (AS6113) at Mae-West 230 + 109405 = 109635 BGP prefix updates
7. DISA (AS568) at Mae-West 3405 + 102205 = 105610 BGP prefix updates
8. NetKonect (AS6716) at Mae-East 1 + 87162 = 87163 BGP prefix updates
9. USCyber (AS4136) at Mae-East 0 + 82967 = 82967 BGP prefix updates
10. Interpath (AS3407) at Mae-East 64 + 56123 = 56187 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Euro(AS5390) at Mae-East 26.00 (26 ann, 1 entries)
2. GoodNet(AS5696) at AADS 16.48 (4632 ann, 281 entries)
3. GoodNet(AS5696) at Mae-West 15.33 (4691 ann, 306 entries)
4. DISC(AS7170) at Mae-East 13.69 (657 ann, 48 entries)
5. conxion(AS4544) at Mae-West 11.67 (35 ann, 3 entries)
6. DREN(AS668) at Mae-East 10.97 (2226 ann, 203 entries)
7. CWIX(AS5683) at Mae-West 10.14 (12891 ann, 1271 entries)
8. GoodNet(AS5696) at Mae-East 9.72 (2956 ann, 304 entries)
9. CWIX(AS5683) at Mae-East 9.53 (12044 ann, 1264 entries)
10. CWIX(AS5683) at Mae-West 9.42 (11970 ann, 1271 entries)
11. CWIX(AS5683) at Mae-East 9.33 (11797 ann, 1264 entries)
12. Digex(AS2548) at Mae-East 7.58 (4610 ann, 608 entries)
13. INS(AS6660) at Mae-East 6.99 (496 ann, 71 entries)
14. DISA(AS568) at Mae-West 6.38 (5288 ann, 829 entries)
15. Digex(AS2548) at Mae-West 6.22 (3792 ann, 610 entries)
16. DREN(AS668) at Mae-West 6.04 (1257 ann, 208 entries)
17. Dialnet(AS5552) at Mae-East 5.88 (453 ann, 77 entries)
18. Grid(AS6113) at PacBell 5.85 (4731 ann, 809 entries)
19. INSnet(AS5378) at Mae-East 5.63 (383 ann, 68 entries)
20. InterAccess(AS3789) at AADS 5.47 (104 ann, 19 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3493
2. internetMCI (3561) at mae-east 774
3. AGIS (4200) at mae-east 425
4. BBNplanet (1) at mae-west 418
5. Grid (6113) at mae-east 319
6. CWIX (5683) at mae-west 156
7. CAIS (3491) at aads 142
8. EUnet (286) at mae-east 135
9. Digex (2548) at mae-west 130
10. NASA (297) at mae-west 124
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:16 EDT