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
---------------------------------------
194.207.0.128/28 at Mae-West from VBC (AS6320) ASPATH=6320 IGP
195.101.148.0/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.128/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.160/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.192/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.224/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.32/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.64/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.101.148.96/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.0/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.128/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.160/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.192/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.224/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.32/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.64/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.96/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
198.80.116.192/27 at Mae-West from ANS (AS1673) ASPATH=1673 1670 IGP
200.30.42.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.64/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.72/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.80/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
207.26.64.80/28 at Mae-East from ANS (AS1673) ASPATH=1673 1324 IGP
207.26.64.80/28 at Mae-West from ANS (AS1673) ASPATH=1673 1675 IGP
209.88.14.0/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.128/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.240/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.15.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
Reserved AS Numbers
-------------------
AS64600 at Mae-East from NASA (AS297) ASPATH=297 64600 IGP
AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65350 at Mae-East from VisiNet (AS6261) ASPATH=6261 7594 65350 7706 7469 IGP
AS65531 at Mae-East from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 65531 IGP
AS64600 at Mae-West from NASA (AS297) ASPATH=297 64600 IGP
AS65350 at Mae-West from VisiNet (AS6261) ASPATH=6261 7594 65350 7706 7469 IGP
AS65000 at AADS from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65350 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 7469 IGP
AS65531 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 65531 IGP
AS65000 at PacBell from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65350 at Paix from OurWorld (AS7594) ASPATH=7594 65350 7584 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. BBNplanet (AS1) at Mae-East 336742 + 95877 = 432619 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 55474 + 21976 = 77450 BGP prefix updates
3. internetMCI (AS3561) at Mae-East 66799 + 10560 = 77359 BGP prefix updates
4. internetMCI (AS3561) at PacBell 49083 + 10275 = 59358 BGP prefix updates
5. internetMCI (AS3561) at AADS 29124 + 11357 = 40481 BGP prefix updates
6. MainStreet (AS3720) at Mae-West 0 + 22380 = 22380 BGP prefix updates
7. AT&T (AS6478) at Mae-West 14592 + 2403 = 16995 BGP prefix updates
8. AT&T (AS6478) at Mae-East 13921 + 1894 = 15815 BGP prefix updates
9. AT&T (AS6478) at PacBell 11199 + 1832 = 13031 BGP prefix updates
10. AT&T (AS6478) at AADS 10143 + 1841 = 11984 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Cableol(AS5089) at Mae-East 90.75 (363 ann, 4 entries)
2. BBNplanet(AS1) at Mae-East 81.36 (336742 ann, 4139 entries)
3. u-net(AS5669) at Mae-West 60.00 (600 ann, 10 entries)
4. AIMnet(AS3763) at Mae-West 23.87 (1241 ann, 52 entries)
5. OurWorld(AS7594) at Mae-West 18.02 (3316 ann, 184 entries)
6. u-net(AS5669) at Paix 17.20 (172 ann, 10 entries)
7. OurWorld(AS7594) at Paix 15.32 (2819 ann, 184 entries)
8. VBC(AS6320) at Mae-West 13.04 (300 ann, 23 entries)
9. VisiNet(AS6261) at Mae-East 12.80 (2343 ann, 183 entries)
10. highway1(AS7922) at Mae-West 12.67 (114 ann, 9 entries)
11. highway1(AS7922) at Mae-East 12.33 (111 ann, 9 entries)
12. VisiNet(AS6261) at Mae-West 12.24 (2227 ann, 182 entries)
13. IPF(AS5409) at Mae-East 8.52 (230 ann, 27 entries)
14. IBMGlobal(AS2685) at AADS 6.22 (1393 ann, 224 entries)
15. Interpath(AS3407) at Mae-East 5.26 (163 ann, 31 entries)
16. CWIX(AS5683) at Mae-East 5.06 (6294 ann, 1243 entries)
17. ISI.Net(AS6196) at Mae-West 4.97 (497 ann, 100 entries)
18. InterAccess(AS3789) at AADS 4.22 (114 ann, 27 entries)
19. AT&T(AS6478) at Mae-West 4.08 (14592 ann, 3577 entries)
20. OLEANE(AS2917) at Mae-East 3.96 (182 ann, 46 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3889
2. internetMCI (3561) at pb 739
3. BBNplanet (1) at mae-west 388
4. AGIS (4200) at mae-east 379
5. Grid (6113) at pb 346
6. IBMGlobal (2685) at mae-west 281
7. Digex (2548) at mae-west 214
8. AT&T (6478) at pb 209
9. INAP.net (5646) at aads 166
10. NASA (297) at mae-west 146
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT