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
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 197480 + 43171 = 240651 BGP prefix updates
2. internetMCI (AS3561) at Mae-East 14072 + 1724 = 15796 BGP prefix updates
3. internetMCI (AS3561) at PacBell 10517 + 962 = 11479 BGP prefix updates
4. idc (AS4694) at Mae-West 1 + 8937 = 8938 BGP prefix updates
5. USCyber (AS4136) at Mae-East 0 + 8065 = 8065 BGP prefix updates
6. MIBX (AS6218) at PacBell 3426 + 4130 = 7556 BGP prefix updates
7. NetKonect (AS6716) at Mae-East 0 + 6162 = 6162 BGP prefix updates
8. SPRINT (AS1239) at Mae-East 4520 + 1292 = 5812 BGP prefix updates
9. CAIS (AS3491) at AADS 3225 + 924 = 4149 BGP prefix updates
10. IBMGlobal (AS2685) at AADS 1340 + 568 = 1908 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. MIBX(AS6218) at PacBell 27.19 (3426 ann, 126 entries)
2. internetMCI(AS3561) at AADS 11.47 (197480 ann, 17215 entries)
3. HLC(AS4565) at AADS 10.80 (702 ann, 65 entries)
4. Internex(AS2828) at AADS 6.16 (394 ann, 64 entries)
5. OLEANE(AS2917) at Mae-East 5.49 (236 ann, 43 entries)
6. conxion(AS4544) at AADS 4.78 (86 ann, 18 entries)
7. HLC(AS4565) at Paix 3.89 (253 ann, 65 entries)
8. CAIS(AS3491) at AADS 2.73 (3225 ann, 1183 entries)
9. IBMGlobal(AS2685) at AADS 2.55 (1340 ann, 526 entries)
10. Internex(AS2828) at Paix 1.97 (124 ann, 63 entries)
11. Primenet(AS3549) at AADS 1.45 (203 ann, 140 entries)
12. Alpha(AS4550) at AADS 1.32 (54 ann, 41 entries)
13. IOS(AS5000) at AADS 1.29 (27 ann, 21 entries)
14. VisiNet(AS6261) at Mae-West 1.24 (181 ann, 146 entries)
15. Above(AS6461) at Paix 1.24 (115 ann, 93 entries)
16. WebSecure(AS6583) at AADS 1.00 (2 ann, 2 entries)
17. Cableol(AS5089) at Mae-East 1.00 (4 ann, 4 entries)
18. Netcom(AS2551) at AADS 1.00 (313 ann, 314 entries)
19. Intermedia(AS6235) at Mae-East 0.99 (213 ann, 216 entries)
20. Internex(AS2828) at Mae-East 0.92 (59 ann, 64 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3577
2. internetMCI (3561) at pb 774
3. BBNplanet (1) at mae-west 452
4. AGIS (4200) at mae-east 364
5. IBMGlobal (2685) at mae-east 227
6. AT&T (6478) at pb 197
7. Grid (6113) at pb 188
8. Digex (2548) at mae-west 173
9. INAP.net (5646) at mae-west 165
10. CAIS (3491) at mae-west 142
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT