11/25/97 Internet Routing Problems

From: stats@merit.edu
Date: Wed Nov 26 1997 - 10:00:03 EST


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
---------------------------------------
10/8 at Mae-East from Internex (AS2828) ASPATH=2828 Incomplete
10/8 at Mae-West from Internex (AS2828) ASPATH=2828 Incomplete
10/8 at AADS from Internex (AS2828) ASPATH=2828 Incomplete
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
194.117.132.180/30 at Mae-East from CableInet (AS5462) ASPATH=5462 6676 IGP
194.117.132.184/30 at Mae-East from CableInet (AS5462) ASPATH=5462 6676 IGP
194.117.132.188/30 at Mae-East from CableInet (AS5462) ASPATH=5462 6676 IGP
194.117.132.224/27 at Mae-East from CableInet (AS5462) ASPATH=5462 6676 IGP
206.133.34.145/32 at Mae-East from GoodNet (AS5696) ASPATH=5696 Incomplete
206.133.34.145/32 at Mae-West from GoodNet (AS5696) ASPATH=5696 Incomplete
206.133.34.145/32 at AADS from GoodNet (AS5696) ASPATH=5696 Incomplete
206.80.170.204/30 at Mae-East from Grid (AS6113) ASPATH=6113 IGP
206.80.170.204/30 at Mae-West from Grid (AS6113) ASPATH=6113 IGP
207.212.14.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5672 10501 IGP
209.172.73.248/29 at Mae-East from GoodNet (AS5696) ASPATH=5696 6461 10245 IGP
209.172.73.248/29 at Mae-East from Above (AS6461) ASPATH=6461 10245 IGP
209.172.73.248/29 at Mae-West from GoodNet (AS5696) ASPATH=5696 6461 10245 IGP
209.172.73.248/29 at Mae-West from Above (AS6461) ASPATH=6461 10245 IGP
209.172.73.248/29 at Mae-West from Above (AS6461) ASPATH=6461 10245 IGP
209.172.73.248/29 at AADS from GoodNet (AS5696) ASPATH=5696 6461 10245 IGP
209.172.73.248/29 at Paix from Above (AS6461) ASPATH=6461 10245 IGP

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

1. idc (AS4694) at Mae-West 25 + 342165 = 342190 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 0 + 268501 = 268501 BGP prefix updates
3. SPRINT (AS1239) at Mae-East 176933 + 48119 = 225052 BGP prefix updates
4. CompuServe (AS4183) at Mae-East 24 + 224793 = 224817 BGP prefix updates
5. USCyber (AS4136) at Mae-East 1 + 163678 = 163679 BGP prefix updates
6. GetNet (AS5784) at Mae-East 0 + 153217 = 153217 BGP prefix updates
7. Interpath (AS3407) at Mae-East 635 + 109434 = 110069 BGP prefix updates
8. internetMCI (AS3561) at Mae-East 83378 + 22371 = 105749 BGP prefix updates
9. internetMCI (AS3561) at AADS 65286 + 22751 = 88037 BGP prefix updates
10. CAIS (AS3491) at Mae-West 28308 + 9868 = 38176 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 191.45 (8041 ann, 42 entries)
2. NetAxs(AS4969) at Mae-East 56.23 (5398 ann, 96 entries)
3. CAIS(AS3491) at Mae-West 46.79 (28308 ann, 605 entries)
4. WebSecure(AS6583) at Mae-East 17.50 (35 ann, 2 entries)
5. WebSecure(AS6583) at AADS 16.00 (32 ann, 2 entries)
6. WebSecure(AS6583) at Mae-West 15.50 (31 ann, 2 entries)
7. Voicenet(AS3932) at Mae-East 15.00 (795 ann, 53 entries)
8. Interpath(AS3407) at Mae-East 11.98 (635 ann, 53 entries)
9. CWIX(AS5683) at Mae-West 11.01 (14008 ann, 1272 entries)
10. telia(AS1299) at Mae-East 9.40 (3591 ann, 382 entries)
11. Intermedia(AS6235) at Mae-East 9.28 (2320 ann, 250 entries)
12. ICI(AS6561) at Mae-West 8.93 (134 ann, 15 entries)
13. IBMGlobal(AS2685) at Mae-East 8.69 (5637 ann, 649 entries)
14. SPRINT(AS1239) at Mae-East 8.68 (176933 ann, 20375 entries)
15. HLC(AS4565) at Mae-West 8.54 (598 ann, 70 entries)
16. HLC(AS4565) at Mae-East 8.44 (591 ann, 70 entries)
17. HLC(AS4565) at AADS 8.40 (588 ann, 70 entries)
18. INX(AS8218) at Mae-East 6.82 (375 ann, 55 entries)
19. Nacamar(AS3257) at Mae-West 6.75 (351 ann, 52 entries)
20. CWIX(AS5683) at Mae-West 6.29 (8006 ann, 1272 entries)

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

1. SPRINT (1239) at mae-east 3656
2. internetMCI (3561) at aads 1014
3. BBNplanet (1) at mae-west 390
4. AGIS (4200) at mae-east 330
5. AT&T (6478) at mae-west 229
6. IBMGlobal (2685) at aads 193
7. Grid (6113) at pb 172
8. CWIX (5683) at mae-west 164
9. Digex (2548) at mae-west 156
10. INAP.net (5646) at aads 145






This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT