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
http://www.merit.net/mail.archives/html/routing-problems/
Also see http://www.caida.org for more information about Internet statistics
collection research efforts.
Reserved Network and Host Announcements
---------------------------------------
166.48.225.248/30 at AADS from Merit (AS237) ASPATH=237 INCOMPLETE
2.0.0.0/8 at Mae-East from Digex (AS2548) ASPATH=2548 IGP
209.95.130.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 INCOMPLETE
Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NetKonect (AS6716) at Mae-East 4 + 150761 = 150765 BGP prefix updates
2. USCyber (AS4136) at Mae-East 0 + 80311 = 80311 BGP prefix updates
3. SPRINT (AS1239) at Mae-East 55112 + 15311 = 70423 BGP prefix updates
4. GetNet (AS5784) at Mae-East 0 + 64824 = 64824 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 40536 + 12986 = 53522 BGP prefix updates
6. telia (AS1299) at Mae-East 243 + 24207 = 24450 BGP prefix updates
7. CompuServe (AS4183) at Mae-East 12 + 20916 = 20928 BGP prefix updates
8. ANS (AS1673) at Mae-East 10912 + 1150 = 12062 BGP prefix updates
9. AGIS (AS4200) at Mae-East 5819 + 4992 = 10811 BGP prefix updates
10. BBNplanet (AS1) at Mae-East 6155 + 1963 = 8118 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. OLEANE(AS2917) at Mae-East 28.45 (1138 ann, 40 entries)
2. IBMGlobal(AS2685) at AADS 20.08 (723 ann, 36 entries)
3. NetAxs(AS4969) at Mae-East 17.72 (3314 ann, 187 entries)
4. Pilot(AS3563) at Paix 16.12 (1193 ann, 74 entries)
5. conxion(AS4544) at AADS 11.29 (192 ann, 17 entries)
6. HLC(AS4565) at AADS 10.80 (691 ann, 64 entries)
7. DREN(AS668) at Mae-East 9.71 (2185 ann, 225 entries)
8. HLC(AS4565) at Mae-East 8.69 (556 ann, 64 entries)
9. conxion(AS4544) at Mae-East 8.18 (139 ann, 17 entries)
10. AT&T(AS6478) at Mae-East 8.08 (16630 ann, 2057 entries)
11. Megsinet(AS7194) at AADS 7.84 (149 ann, 19 entries)
12. UIC(AS6200) at AADS 7.00 (21 ann, 3 entries)
13. AT&T(AS6478) at AADS 6.02 (12391 ann, 2058 entries)
14. CWIX(AS5683) at Mae-East 5.27 (11302 ann, 2144 entries)
15. CWIX(AS5683) at Mae-East 4.93 (10562 ann, 2144 entries)
16. FiberNet(AS6259) at Mae-East 4.54 (109 ann, 24 entries)
17. InterAccess(AS3789) at AADS 4.04 (105 ann, 26 entries)
18. Above(AS6461) at Mae-East 3.54 (326 ann, 92 entries)
19. SPRINT(AS1239) at Mae-East 3.51 (74420 ann, 21211 entries)
20. Digex(AS2548) at Mae-East 3.49 (3009 ann, 863 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3560
2. internetMCI (3561) at aads 803
3. BBNplanet (1) at mae-west 382
4. AGIS (4200) at mae-east 356
5. IBMGlobal (2685) at mae-west 214
6. Grid (6113) at mae-west 208
7. CAIS (3491) at aads 176
8. INAP.net (5646) at aads 157
9. AT&T (6478) at aads 156
10. Digex (2548) at mae-west 156
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT