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
---------------------------------------
10.220.0.0/16 at Mae-East from ISI.Net (AS6196) ASPATH=6196 3549 IGP
192.17.238.128/27 at AADS from UIUC (AS38) ASPATH=38 IGP
194.207.0.128/28 at Mae-West from VBC (AS6320) ASPATH=6320 IGP
195.6.71.0/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.128/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.160/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.224/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.32/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.64/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.96/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
207.26.64.80/28 at Mae-East from ANS (AS1673) ASPATH=1673 1324 IGP
Reserved AS Numbers
-------------------
AS64810 at Mae-East from SPRINT (AS1239) ASPATH=1239 685 4134 64810 INCOMPLETE
AS65010 at Mae-East from ANS (AS1673) ASPATH=1673
AS64930 at Mae-East from SPRINT (AS1239) ASPATH=1239 685 4134 4134 4134 64930 IGP
AS65010 at PacBell from ANS (AS1673) ASPATH=1673
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 331280 + 113234 = 444514 BGP prefix updates
2. internetMCI (AS3561) at PacBell 76037 + 31733 = 107770 BGP prefix updates
3. NASA (AS297) at Mae-East 1184 + 96846 = 98030 BGP prefix updates
4. internetMCI (AS3561) at AADS 74961 + 17442 = 92403 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 62084 + 19242 = 81326 BGP prefix updates
6. MainStreet (AS3720) at Mae-West 36 + 55082 = 55118 BGP prefix updates
7. AT&T (AS6478) at AADS 16130 + 1969 = 18099 BGP prefix updates
8. AT&T (AS6478) at PacBell 14091 + 2154 = 16245 BGP prefix updates
9. AT&T (AS6478) at Mae-East 10748 + 2161 = 12909 BGP prefix updates
10. BBNplanet (AS1) at Mae-East 8699 + 3737 = 12436 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 51.25 (205 ann, 4 entries)
2. AIMnet(AS3763) at Mae-West 16.88 (861 ann, 51 entries)
3. u-net(AS5669) at Mae-West 16.62 (133 ann, 8 entries)
4. IBMGlobal(AS2685) at AADS 16.54 (3771 ann, 228 entries)
5. SPRINT(AS1239) at Mae-East 15.92 (331280 ann, 20808 entries)
6. Intermedia(AS6235) at Mae-East 14.35 (3071 ann, 214 entries)
7. highway1(AS7922) at Mae-West 13.25 (106 ann, 8 entries)
8. highway1(AS7922) at Mae-East 11.38 (91 ann, 8 entries)
9. NWU(AS103) at AADS 10.62 (170 ann, 16 entries)
10. OurWorld(AS7594) at Mae-West 10.06 (2525 ann, 251 entries)
11. DISC(AS7170) at Mae-East 9.03 (1002 ann, 111 entries)
12. Internex(AS2828) at Mae-East 8.53 (682 ann, 80 entries)
13. u-net(AS5669) at Paix 7.25 (58 ann, 8 entries)
14. IOS(AS5000) at AADS 6.96 (188 ann, 27 entries)
15. CAIS(AS3491) at AADS 6.96 (7818 ann, 1123 entries)
16. AT&T(AS6478) at AADS 6.81 (16130 ann, 2368 entries)
17. Internex(AS2828) at AADS 6.59 (534 ann, 81 entries)
18. HLC(AS4565) at AADS 6.36 (458 ann, 72 entries)
19. AT&T(AS6478) at PacBell 5.99 (14091 ann, 2354 entries)
20. Erols(AS6079) at Mae-East 5.87 (88 ann, 15 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 4002
2. internetMCI (3561) at pb 906
3. BBNplanet (1) at mae-west 358
4. AGIS (4200) at mae-east 289
5. IBMGlobal (2685) at mae-east 266
6. Grid (6113) at pb 211
7. Digex (2548) at mae-west 192
8. AT&T (6478) at mae-west 168
9. CAIS (3491) at aads 159
10. INAP.net (5646) at aads 146
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT