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
---------------------------------------
193.234.249.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
198.80.116.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.116.192/27 at PacBell from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.9.0/28 at Mae-East 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
206.185.236.4/30 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
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
207.26.64.80/28 at PacBell 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
-------------------
AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 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 237760 + 71956 = 309716 BGP prefix updates
2. internetMCI (AS3561) at AADS 79694 + 15816 = 95510 BGP prefix updates
3. internetMCI (AS3561) at PacBell 47289 + 15373 = 62662 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 45423 + 16434 = 61857 BGP prefix updates
5. AGIS (AS4200) at Mae-East 20610 + 6617 = 27227 BGP prefix updates
6. MainStreet (AS3720) at Mae-West 26 + 21100 = 21126 BGP prefix updates
7. AT&T (AS6478) at Mae-West 19252 + 1504 = 20756 BGP prefix updates
8. ANS (AS1673) at Mae-East 16299 + 861 = 17160 BGP prefix updates
9. BBNplanet (AS1) at Mae-East 8497 + 4645 = 13142 BGP prefix updates
10. Digex (AS2548) at Mae-East 9526 + 2854 = 12380 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 13.75 (55 ann, 4 entries)
2. AIMnet(AS3763) at Mae-West 7.81 (406 ann, 52 entries)
3. highway1(AS7922) at Mae-West 3.89 (35 ann, 9 entries)
4. highway1(AS7922) at Mae-East 3.89 (35 ann, 9 entries)
5. Alpha(AS4550) at AADS 3.79 (163 ann, 43 entries)
6. Netcom(AS2551) at Mae-West 2.84 (880 ann, 310 entries)
7. internetMCI(AS3561) at AADS 2.42 (43664 ann, 18071 entries)
8. InterAccess(AS3789) at AADS 2.25 (63 ann, 28 entries)
9. Nacamar(AS3257) at Mae-East 2.19 (169 ann, 77 entries)
10. INS(AS6660) at Mae-East 2.13 (81 ann, 38 entries)
11. Grid(AS6113) at Mae-East 2.11 (3258 ann, 1541 entries)
12. Digex(AS2548) at Mae-East 2.01 (2186 ann, 1087 entries)
13. MegsiNet(AS7194) at AADS 1.79 (34 ann, 19 entries)
14. ANS(AS1673) at Mae-East 1.73 (3046 ann, 1757 entries)
15. Digex(AS2548) at Mae-West 1.69 (1831 ann, 1083 entries)
16. DREN(AS668) at Mae-East 1.68 (431 ann, 257 entries)
17. MegsiNet(AS7194) at Mae-East 1.47 (28 ann, 19 entries)
18. internetMCI(AS3561) at Mae-East 1.40 (25207 ann, 18054 entries)
19. Netcom(AS2551) at PacBell 1.39 (434 ann, 313 entries)
20. Above(AS6461) at Mae-East 1.33 (468 ann, 353 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 4103
2. internetMCI (3561) at pb 746
3. BBNplanet (1) at mae-west 444
4. Digex (2548) at mae-west 382
5. AGIS (4200) at mae-east 379
6. Grid (6113) at pb 346
7. IBMGlobal (2685) at mae-east 335
8. AT&T (6478) at pb 249
9. INAP.net (5646) at aads 210
10. NASA (297) at mae-west 149
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT