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
---------------------------------------
192.35.227.0/27 at Mae-East from EXODUS (AS3967) ASPATH=3967 1852 IGP
192.35.227.0/27 at Mae-West from EXODUS (AS3967) ASPATH=3967 1852 IGP
192.35.227.0/27 at Mae-West from EXODUS (AS3967) ASPATH=3967 1852 IGP
192.35.227.0/27 at AADS from EXODUS (AS3967) ASPATH=3967 1852 IGP
192.35.227.0/27 at Paix from EXODUS (AS3967) ASPATH=3967 1852 IGP
193.234.249.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
194.68.51.224/28 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 8516 INCOMPLETE
195.12.164.144/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.160/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.192/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.224/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.248/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
198.80.116.192/27 at Mae-West from ANS (AS1673) ASPATH=1673 1670 IGP
206.185.10.249/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.149.30/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
207.26.64.80/28 at Mae-West from ANS (AS1673) ASPATH=1673 1675 IGP
207.50.220.16/28 at Mae-West from idc (AS4694) ASPATH=4694 10813 IGP
Reserved AS Numbers
-------------------
AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS64600 at Mae-West from NASA (AS297) ASPATH=297 64600 IGP
AS65534 at Mae-West from ANS (AS1673) ASPATH=1673 1324 65534 IGP
AS64600 at AADS from Priori (AS10303) ASPATH=10303 297 64600 IGP
AS65000 at AADS from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65000 at PacBell from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 113443 + 29087 = 142530 BGP prefix updates
2. internetMCI (AS3561) at AADS 47519 + 24427 = 71946 BGP prefix updates
3. internetMCI (AS3561) at PacBell 46712 + 24880 = 71592 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 44557 + 24960 = 69517 BGP prefix updates
5. MainStreet (AS3720) at Mae-West 7 + 61348 = 61355 BGP prefix updates
6. AGIS (AS4200) at Mae-East 43193 + 6169 = 49362 BGP prefix updates
7. AT&T (AS7018) at AADS 25729 + 11377 = 37106 BGP prefix updates
8. AT&T (AS7018) at Mae-West 25441 + 11397 = 36838 BGP prefix updates
9. AT&T (AS7018) at PacBell 24217 + 11676 = 35893 BGP prefix updates
10. AT&T (AS7018) at Mae-East 23645 + 11459 = 35104 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 34.92 (1781 ann, 51 entries)
2. SPRINT(AS1239) at Mae-East 17.83 (375097 ann, 21036 entries)
3. OurWorld(AS7594) at Mae-West 14.10 (3399 ann, 241 entries)
4. u-net(AS5669) at Mae-West 9.00 (90 ann, 10 entries)
5. ANS(AS1673) at Mae-East 8.02 (12317 ann, 1536 entries)
6. VisiNet(AS6261) at Mae-West 7.50 (1642 ann, 219 entries)
7. AIMnet(AS3763) at Mae-West 7.38 (391 ann, 53 entries)
8. VisiNet(AS6261) at Mae-East 6.28 (1420 ann, 226 entries)
9. OurWorld(AS7594) at Paix 4.76 (1148 ann, 241 entries)
10. GEOnet(AS3356) at PacBell 4.49 (458 ann, 102 entries)
11. ThePlanet(AS5388) at Mae-West 3.81 (320 ann, 84 entries)
12. NASA(AS297) at Mae-East 3.61 (1001 ann, 277 entries)
13. LinkAGE(AS4058) at Mae-East 3.07 (92 ann, 30 entries)
14. highway1(AS7922) at Mae-East 2.45 (27 ann, 11 entries)
15. AGIS(AS4200) at Mae-East 2.41 (4940 ann, 2054 entries)
16. Cableol(AS5089) at Mae-East 2.20 (11 ann, 5 entries)
17. u-net(AS5669) at Paix 2.20 (22 ann, 10 entries)
18. IOS(AS5000) at AADS 2.07 (56 ann, 27 entries)
19. LinkAGE(AS4058) at Mae-West 2.03 (61 ann, 30 entries)
20. Above(AS6461) at Mae-West 1.95 (1356 ann, 694 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3959
2. (0) at aads 840
3. internetMCI (3561) at pb 742
4. BBNplanet (1) at mae-west 472
5. Digex (2548) at mae-west 354
6. IBMGlobal (2685) at mae-west 349
7. AT&T (7018) at pb 246
8. INAP.net (5646) at aads 201
9. Grid (6113) at mae-east 169
10. DREN (668) at mae-east 167
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT