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
---------------------------------------
No routing problems were detected
Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 99094 + 27687 = 126781 BGP prefix updates
2. USCyber (AS4136) at Mae-East 0 + 84273 = 84273 BGP prefix updates
3. NetKonect (AS6716) at Mae-East 0 + 66970 = 66970 BGP prefix updates
4. GetNet (AS5784) at Mae-East 2 + 64340 = 64342 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 26305 + 12603 = 38908 BGP prefix updates
6. ANS (AS1673) at Mae-East 24988 + 648 = 25636 BGP prefix updates
7. SPRINT (AS1239) at Mae-East 19261 + 5076 = 24337 BGP prefix updates
8. telia (AS1299) at Mae-East 17 + 18109 = 18126 BGP prefix updates
9. EUnet (AS286) at Mae-East 8887 + 7969 = 16856 BGP prefix updates
10. CompuServe (AS4183) at Mae-East 10 + 10957 = 10967 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. ANS(AS1673) at Mae-East 11.59 (24988 ann, 2156 entries)
2. OLEANE(AS2917) at Mae-East 9.19 (386 ann, 42 entries)
3. EUnet(AS286) at Mae-East 7.92 (8887 ann, 1122 entries)
4. DREN(AS668) at Mae-East 7.84 (1709 ann, 218 entries)
5. NetAxs(AS4969) at Mae-East 6.03 (585 ann, 97 entries)
6. IBMGlobal(AS2685) at AADS 5.88 (241 ann, 41 entries)
7. internetMCI(AS3561) at AADS 5.79 (99094 ann, 17111 entries)
8. Internex(AS2828) at AADS 4.67 (280 ann, 60 entries)
9. WNA(AS2914) at Mae-East 3.97 (4458 ann, 1123 entries)
10. SPRINT(AS1239) at Mae-East 3.49 (73826 ann, 21183 entries)
11. InterAccess(AS3789) at AADS 3.31 (86 ann, 26 entries)
12. Intermedia(AS6235) at Mae-East 3.04 (730 ann, 240 entries)
13. Internex(AS2828) at Mae-East 3.02 (178 ann, 59 entries)
14. EXODUS(AS3967) at AADS 2.72 (280 ann, 103 entries)
15. EXODUS(AS3967) at Mae-East 2.49 (256 ann, 103 entries)
16. AGIS(AS4200) at Mae-East 2.33 (4119 ann, 1767 entries)
17. Internex(AS2828) at Paix 2.25 (135 ann, 60 entries)
18. Interpath(AS3407) at Mae-East 2.22 (71 ann, 32 entries)
19. Netcom(AS2551) at Mae-East 1.74 (556 ann, 319 entries)
20. Digex(AS2548) at Mae-East 1.57 (1422 ann, 904 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. internetMCI (3561) at aads 972
2. BBNplanet (1) at mae-west 381
3. Grid (6113) at mae-west 177
4. INAP.net (5646) at aads 168
5. Digex (2548) at mae-west 161
6. CAIS (3491) at aads 158
7. AT&T (6478) at aads 146
8. NASA (297) at mae-west 119
9. IBMGlobal (2685) at mae-west 119
10. ANS (1673) at mae-west 105
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT