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
To unsubscribe from this list, send mail to routing-problems-request@merit.edu.
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
---------------------------------------
207.65.203.192/28 at Mae-East from BBNplanet (AS1) ASPATH=1 6203 IGP
207.65.21.112/28 at Mae-East from BBNplanet (AS1) ASPATH=1 6203 IGP
207.65.70.128/27 at Mae-East from BBNplanet (AS1) ASPATH=1 6203 IGP
207.65.70.48/28 at Mae-East from BBNplanet (AS1) ASPATH=1 6203 IGP
207.65.70.96/27 at Mae-East from BBNplanet (AS1) ASPATH=1 6203 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 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. NetKonect (AS6716) at Mae-East 0 + 116905 = 116905 BGP prefix updates
2. USCyber (AS4136) at Mae-East 0 + 106527 = 106527 BGP prefix updates
3. GetNet (AS5784) at Mae-East 0 + 95594 = 95594 BGP prefix updates
4. SPRINT (AS1239) at Mae-East 57443 + 13543 = 70986 BGP prefix updates
5. internetMCI (AS3561) at AADS 30769 + 14767 = 45536 BGP prefix updates
6. internetMCI (AS3561) at Mae-East 31824 + 13162 = 44986 BGP prefix updates
7. ANS (AS1673) at Mae-East 21815 + 305 = 22120 BGP prefix updates
8. telia (AS1299) at Mae-East 219 + 18060 = 18279 BGP prefix updates
9. CompuServe (AS4183) at Mae-East 3 + 12090 = 12093 BGP prefix updates
10. CWIX (AS5683) at Mae-East 5340 + 4895 = 10235 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. EXODUS(AS3967) at AADS 17.39 (1791 ann, 103 entries)
2. EXODUS(AS3967) at Mae-East 15.92 (1640 ann, 103 entries)
3. ANS(AS1673) at Mae-East 12.68 (21815 ann, 1720 entries)
4. NetAxs(AS4969) at Mae-East 12.23 (2581 ann, 211 entries)
5. IBMGlobal(AS2685) at AADS 6.60 (264 ann, 40 entries)
6. InterAccess(AS3789) at AADS 4.46 (116 ann, 26 entries)
7. Internex(AS2828) at AADS 3.68 (221 ann, 60 entries)
8. Cableol(AS5089) at Mae-East 3.50 (14 ann, 4 entries)
9. Netcom(AS2551) at Mae-East 3.44 (1092 ann, 317 entries)
10. Internex(AS2828) at Mae-East 3.12 (187 ann, 60 entries)
11. NASA(AS297) at Mae-East 3.00 (847 ann, 282 entries)
12. CWIX(AS5683) at Mae-East 2.94 (5340 ann, 1818 entries)
13. CWIX(AS5683) at Mae-East 2.92 (5302 ann, 1818 entries)
14. EUnet(AS286) at Mae-East 2.88 (3245 ann, 1128 entries)
15. SPRINT(AS1239) at Mae-East 2.76 (57443 ann, 20842 entries)
16. Digex(AS2548) at Mae-East 2.54 (2363 ann, 930 entries)
17. CAIS(AS3491) at AADS 2.03 (2743 ann, 1352 entries)
18. internetMCI(AS3561) at Mae-East 1.88 (31824 ann, 16921 entries)
19. Interpath(AS3407) at Mae-East 1.88 (60 ann, 32 entries)
20. internetMCI(AS3561) at AADS 1.81 (30769 ann, 16958 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3571
2. internetMCI (3561) at pb 976
3. BBNplanet (1) at mae-west 402
4. AGIS (4200) at mae-east 336
5. IBMGlobal (2685) at mae-east 210
6. Grid (6113) at mae-west 190
7. Digex (2548) at mae-west 180
8. INAP.net (5646) at aads 167
9. CAIS (3491) at aads 163
10. AT&T (6478) at pb 154
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT