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
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Also see http://www.caida.org for more information about Internet statistics
collection research efforts.
Reserved Network and Host Announcements
---------------------------------------
193.182.166.0/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
194.71.238.232/30 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
195.12.164.128/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
195.12.164.248/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
195.12.165.0/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
207.26.64.80/28 at Mae-West from ANS (AS1673) ASPATH=1673 1324 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 35421 + 12032 = 47453 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 0 + 24324 = 24324 BGP prefix updates
3. OurWorld (AS7594) at Mae-West 156 + 21800 = 21956 BGP prefix updates
4. MainStreet (AS3720) at Mae-West 0 + 11908 = 11908 BGP prefix updates
5. CAIS (AS3491) at AADS 5882 + 2284 = 8166 BGP prefix updates
6. SPRINT (AS1239) at Mae-East 6551 + 631 = 7182 BGP prefix updates
7. idc (AS4694) at Mae-West 0 + 6276 = 6276 BGP prefix updates
8. WNA (AS2914) at Paix 3451 + 2301 = 5752 BGP prefix updates
9. AT&T (AS6478) at AADS 3882 + 1512 = 5394 BGP prefix updates
10. internetMCI (AS3561) at Mae-East 3942 + 687 = 4629 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. CAIS(AS3491) at AADS 5.19 (5882 ann, 1134 entries)
2. INCnet(AS3857) at AADS 4.48 (470 ann, 105 entries)
3. Internex(AS2828) at AADS 3.65 (270 ann, 74 entries)
4. GoodNet(AS5696) at AADS 3.19 (1931 ann, 605 entries)
5. WNA(AS2914) at Paix 2.97 (3451 ann, 1162 entries)
6. ThePlanet(AS5388) at Mae-East 2.37 (185 ann, 78 entries)
7. internetMCI(AS3561) at AADS 2.02 (35421 ann, 17549 entries)
8. Netcom(AS2551) at AADS 1.79 (558 ann, 311 entries)
9. OarNet(AS600) at AADS 1.68 (315 ann, 187 entries)
10. AT&T(AS6478) at AADS 1.59 (3882 ann, 2446 entries)
11. Above(AS6461) at Paix 1.57 (349 ann, 223 entries)
12. ICI(AS6561) at Mae-West 1.43 (20 ann, 14 entries)
13. Internex(AS2828) at Paix 1.38 (101 ann, 73 entries)
14. AGIS(AS4200) at Mae-East 1.29 (2325 ann, 1797 entries)
15. Above(AS6461) at Mae-East 1.25 (277 ann, 222 entries)
16. WNA(AS2914) at Mae-East 1.23 (1429 ann, 1160 entries)
17. OneCall(AS6402) at AADS 1.06 (83 ann, 78 entries)
18. OurWorld(AS7594) at Mae-West 1.01 (156 ann, 155 entries)
19. EXODUS(AS3967) at Paix 1.00 (104 ann, 104 entries)
20. VisiNet(AS6261) at Mae-West 0.98 (176 ann, 180 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3895
2. internetMCI (3561) at aads 942
3. BBNplanet (1) at mae-east 457
4. AGIS (4200) at mae-east 367
5. IBMGlobal (2685) at mae-east 210
6. Grid (6113) at mae-east 195
7. CAIS (3491) at mae-west 189
8. AT&T (6478) at pb 186
9. Digex (2548) at mae-west 178
10. INAP.net (5646) at aads 170
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT