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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Also see http://www.caida.org for more information about Internet statistics
collection research efforts.
Reserved Network and Host Announcements
---------------------------------------
206.80.170.204/30 at Mae-West from Grid (AS6113) ASPATH=6113 IGP
206.80.170.204/30 at PacBell from Grid (AS6113) ASPATH=6113 IGP
52/0 at Mae-West from DREN (AS668) ASPATH=668 8174 3381 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. Grid (AS6113) at PacBell 1572 + 284963 = 286535 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 0 + 283677 = 283677 BGP prefix updates
3. Grid (AS6113) at Mae-West 1569 + 266904 = 268473 BGP prefix updates
4. Grid (AS6113) at Mae-East 2517 + 210048 = 212565 BGP prefix updates
5. idc (AS4694) at Mae-West 3 + 173584 = 173587 BGP prefix updates
6. internetMCI (AS3561) at AADS 31521 + 123454 = 154975 BGP prefix updates
7. GetNet (AS5784) at Mae-East 0 + 128090 = 128090 BGP prefix updates
8. DISA (AS568) at Mae-West 4993 + 110042 = 115035 BGP prefix updates
9. SPRINT (AS1239) at Mae-East 71085 + 26623 = 97708 BGP prefix updates
10. USCyber (AS4136) at Mae-East 1 + 79638 = 79639 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Cableol(AS5089) at Mae-East 134.50 (269 ann, 2 entries)
2. On-Net(AS6792) at Mae-East 19.20 (96 ann, 5 entries)
3. AGIS(AS4200) at Mae-East 14.07 (22688 ann, 1612 entries)
4. Nacamar(AS3257) at Mae-West 12.37 (433 ann, 35 entries)
5. InterAccess(AS3789) at AADS 6.79 (163 ann, 24 entries)
6. Netcom(AS2551) at Mae-East 6.41 (2142 ann, 334 entries)
7. DISA(AS568) at Mae-West 5.79 (4993 ann, 863 entries)
8. Internex(AS2828) at Mae-East 4.50 (288 ann, 64 entries)
9. DREN(AS668) at Mae-West 4.41 (1002 ann, 227 entries)
10. Internex(AS2828) at AADS 4.32 (272 ann, 63 entries)
11. DISC(AS7170) at Mae-East 4.20 (210 ann, 50 entries)
12. DREN(AS668) at Mae-East 4.18 (1425 ann, 341 entries)
13. Nacamar(AS3257) at Mae-East 4.15 (170 ann, 41 entries)
14. HLC(AS4565) at Mae-West 4.05 (259 ann, 64 entries)
15. ESnet(AS293) at Mae-East 4.03 (773 ann, 192 entries)
16. Primenet(AS3549) at Mae-West 3.74 (247 ann, 66 entries)
17. Best(AS3915) at Mae-West 3.71 (323 ann, 87 entries)
18. Euro(AS5390) at Mae-East 3.60 (18 ann, 5 entries)
19. SPRINT(AS1239) at Mae-East 3.59 (71085 ann, 19809 entries)
20. Primenet(AS3549) at Mae-East 3.37 (226 ann, 67 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3303
2. internetMCI (3561) at aads 743
3. CWIX (5683) at mae-west 658
4. AGIS (4200) at mae-east 420
5. BBNplanet (1) at mae-west 420
6. Grid (6113) at mae-east 326
7. (0) at paix 167
8. Genuity (3847) at mae-west 154
9. Digex (2548) at mae-west 145
10. EUnet (286) at mae-east 132
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:16 EDT