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
---------------------------------------
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
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 53837 + 12040 = 65877 BGP prefix updates
2. Netcom (AS2551) at AADS 827 + 48682 = 49509 BGP prefix updates
3. NetKonect (AS6716) at Mae-East 0 + 19621 = 19621 BGP prefix updates
4. WNA (AS2914) at Paix 8347 + 4252 = 12599 BGP prefix updates
5. AT&T (AS6478) at AADS 6307 + 2311 = 8618 BGP prefix updates
6. SPRINT (AS1239) at Mae-East 5857 + 2606 = 8463 BGP prefix updates
7. idc (AS4694) at Mae-West 0 + 6784 = 6784 BGP prefix updates
8. CAIS (AS3491) at AADS 3724 + 2264 = 5988 BGP prefix updates
9. MainStreet (AS3720) at Mae-West 11 + 4037 = 4048 BGP prefix updates
10. GoodNet (AS5696) at AADS 1921 + 1844 = 3765 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. OurWorld(AS7594) at Paix 30.00 (30 ann, 1 entries)
2. Interpath(AS3407) at Mae-East 20.48 (676 ann, 33 entries)
3. WNA(AS2914) at Paix 7.16 (8347 ann, 1166 entries)
4. Genuity(AS3847) at AADS 5.69 (1844 ann, 324 entries)
5. Internex(AS2828) at AADS 3.35 (228 ann, 68 entries)
6. GoodNet(AS5696) at AADS 3.20 (1921 ann, 601 entries)
7. internetMCI(AS3561) at AADS 3.07 (53837 ann, 17509 entries)
8. CAIS(AS3491) at AADS 3.04 (3724 ann, 1225 entries)
9. OarNet(AS600) at AADS 2.96 (554 ann, 187 entries)
10. Netcom(AS2551) at AADS 2.70 (827 ann, 306 entries)
11. AT&T(AS6478) at AADS 2.57 (6307 ann, 2458 entries)
12. ThePlanet(AS5388) at Mae-East 2.35 (190 ann, 81 entries)
13. EXODUS(AS3967) at AADS 2.19 (252 ann, 115 entries)
14. Genuity(AS3847) at Paix 1.76 (569 ann, 324 entries)
15. Internex(AS2828) at Paix 1.33 (89 ann, 67 entries)
16. Alpha(AS4550) at AADS 1.24 (46 ann, 37 entries)
17. WNA(AS2914) at Mae-East 0.99 (1157 ann, 1166 entries)
18. Merit(AS237) at AADS 0.87 (94 ann, 108 entries)
19. Primenet(AS3549) at AADS 0.85 (117 ann, 137 entries)
20. Iconnet(AS3951) at AADS 0.77 (111 ann, 145 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3785
2. internetMCI (3561) at aads 931
3. BBNplanet (1) at mae-east 456
4. AGIS (4200) at mae-east 352
5. IBMGlobal (2685) at mae-east 229
6. AT&T (6478) at pb 196
7. Grid (6113) at pb 196
8. Digex (2548) at mae-west 190
9. CAIS (3491) at aads 174
10. INAP.net (5646) at mae-west 170
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT