04/28/98 Internet Routing Problems

From: stats@merit.edu
Date: Wed Apr 29 1998 - 10:00:03 EDT


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
---------------------------------------
193.234.249.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
194.207.0.128/28 at Mae-West from VBC (AS6320) ASPATH=6320 IGP
198.80.116.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.116.192/27 at Mae-West from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.9.0/28 at Mae-East from ANS (AS1673) ASPATH=1673 1327 1684 IGP
198.80.9.0/28 at Mae-West from ANS (AS1673) ASPATH=1673 1327 1684 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
206.141.223.224/27 at AADS from AIS (AS6081) ASPATH=6081 7053 7053 7053 7053 IGP
206.185.236.4/30 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.252.72/30 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
209.88.14.32/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.64/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.96/28 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
-------------------
AS65034 at Mae-East from CAIS (AS3491) ASPATH=3491 6261 7594 7593 65034 IGP

AS65035 at Mae-East from CAIS (AS3491) ASPATH=3491 6261 7594 7593 65035 IGP

AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP

AS64600 at Mae-West from NASA (AS297) ASPATH=297 64600 IGP

AS65034 at Mae-West from CAIS (AS3491) ASPATH=3491 6261 7594 7593 65034 IGP

AS65035 at Mae-West from CAIS (AS3491) ASPATH=3491 6261 7594 7593 65035 IGP

AS65034 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 7593 65034 IGP

AS65035 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 7593 65035 IGP

AS65000 at AADS from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP

AS65000 at PacBell from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP

AS65034 at Paix from OurWorld (AS7594) ASPATH=7594 7593 65034 IGP

AS65035 at Paix from OurWorld (AS7594) ASPATH=7594 7593 65035 IGP

Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)

1. internetMCI (AS3561) at AADS 157093 + 21903 = 178996 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 88017 + 40766 = 128783 BGP prefix updates
3. internetMCI (AS3561) at Mae-East 55573 + 20804 = 76377 BGP prefix updates
4. internetMCI (AS3561) at PacBell 53736 + 19011 = 72747 BGP prefix updates
5. AGIS (AS4200) at Mae-East 36391 + 2674 = 39065 BGP prefix updates
6. BBNplanet (AS1) at Mae-West 32692 + 3000 = 35692 BGP prefix updates
7. AT&T (AS6478) at Mae-West 26729 + 5851 = 32580 BGP prefix updates
8. AT&T (AS6478) at PacBell 28891 + 1815 = 30706 BGP prefix updates
9. MainStreet (AS3720) at Mae-West 33 + 27598 = 27631 BGP prefix updates
10. ANS (AS1673) at Mae-East 26736 + 777 = 27513 BGP prefix updates

Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)

1. SPRINT (1239) at mae-east 4052
2. internetMCI (3561) at pb 776
3. AGIS (4200) at mae-east 399
4. Digex (2548) at mae-east 379
5. BBNplanet (1) at mae-east 367
6. Grid (6113) at pb 354
7. IBMGlobal (2685) at mae-east 260
8. AT&T (6478) at aads 250
9. INAP.net (5646) at aads 214
10. CAIS (3491) at aads 168






This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT