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
---------------------------------------
192.116.207.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 5486 INCOMPLETE
194.117.132.184/30 at Mae-East from CableInet (AS5462) ASPATH=5462 6676 IGP
205.181.249.35/32 at Mae-East from Intermedia (AS6235) ASPATH=6235 5651 6433 IGP
205.181.249.37/32 at Mae-East from Intermedia (AS6235) ASPATH=6235 5651 6433 IGP
209.95.130.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 INCOMPLETE
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NetKonect (AS6716) at Mae-East 0 + 128619 = 128619 BGP prefix updates
2. USCyber (AS4136) at Mae-East 0 + 61072 = 61072 BGP prefix updates
3. GetNet (AS5784) at Mae-East 0 + 39613 = 39613 BGP prefix updates
4. telia (AS1299) at Mae-East 143 + 29789 = 29932 BGP prefix updates
5. internetMCI (AS3561) at AADS 20848 + 8875 = 29723 BGP prefix updates
6. SPRINT (AS1239) at Mae-East 13683 + 5487 = 19170 BGP prefix updates
7. ANS (AS1673) at Mae-East 15717 + 108 = 15825 BGP prefix updates
8. AGIS (AS4200) at Mae-East 9707 + 5928 = 15635 BGP prefix updates
9. internetMCI (AS3561) at Mae-East 10941 + 4598 = 15539 BGP prefix updates
10. idc (AS4694) at Mae-West 0 + 5588 = 5588 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 109.75 (439 ann, 4 entries)
2. ANS(AS1673) at Mae-East 9.15 (15717 ann, 1717 entries)
3. HLC(AS4565) at AADS 7.87 (535 ann, 68 entries)
4. InterAccess(AS3789) at AADS 7.23 (188 ann, 26 entries)
5. AGIS(AS4200) at Mae-East 5.59 (9707 ann, 1735 entries)
6. IBMGlobal(AS2685) at AADS 4.17 (150 ann, 36 entries)
7. HLC(AS4565) at Mae-East 3.60 (245 ann, 68 entries)
8. CableInet(AS5462) at Mae-West 3.57 (132 ann, 37 entries)
9. NetAxs(AS4969) at Mae-East 3.19 (561 ann, 176 entries)
10. Netcom(AS2551) at Mae-East 2.70 (862 ann, 319 entries)
11. HLC(AS4565) at Paix 2.62 (178 ann, 68 entries)
12. CAIS(AS3491) at AADS 2.40 (3159 ann, 1317 entries)
13. VisiNet(AS6261) at Mae-East 2.37 (173 ann, 73 entries)
14. Internex(AS2828) at AADS 1.56 (95 ann, 61 entries)
15. INAP.net(AS5646) at AADS 1.50 (2476 ann, 1656 entries)
16. Intermedia(AS6235) at Mae-East 1.49 (351 ann, 235 entries)
17. NASA(AS297) at Mae-East 1.34 (380 ann, 283 entries)
18. Internex(AS2828) at Mae-East 1.30 (79 ann, 61 entries)
19. Digex(AS2548) at Mae-East 1.26 (1047 ann, 832 entries)
20. CableInet(AS5462) at Mae-East 1.25 (45 ann, 36 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3614
2. internetMCI (3561) at pb 1024
3. BBNplanet (1) at mae-west 405
4. AGIS (4200) at mae-east 357
5. IBMGlobal (2685) at mae-east 203
6. Grid (6113) at pb 191
7. INAP.net (5646) at mae-west 160
8. AT&T (6478) at aads 157
9. Digex (2548) at mae-west 157
10. CAIS (3491) at aads 150
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT