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
---------------------------------------
195.190.72.32/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 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
207.228.34.160/27 at Mae-West from Best (AS3915) ASPATH=3915 5752 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
-------------------
AS64600 at Mae-East from INAP
AS64600 at Mae-West from INAP
AS64600 at AADS from INAP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 128279 + 9346 = 137625 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 90400 + 36944 = 127344 BGP prefix updates
3. internetMCI (AS3561) at Mae-East 20903 + 8837 = 29740 BGP prefix updates
4. internetMCI (AS3561) at PacBell 17933 + 8487 = 26420 BGP prefix updates
5. AT&T (AS6478) at AADS 16902 + 3244 = 20146 BGP prefix updates
6. AT&T (AS6478) at PacBell 14654 + 3275 = 17929 BGP prefix updates
7. MainStreet (AS3720) at Mae-West 0 + 16415 = 16415 BGP prefix updates
8. BBNplanet (AS1) at Mae-East 9352 + 4588 = 13940 BGP prefix updates
9. WNA (AS2914) at Mae-West 6528 + 5904 = 12432 BGP prefix updates
10. WNA (AS2914) at Mae-East 6512 + 5902 = 12414 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. NetAsset(AS6472) at PacBell 40.30 (31516 ann, 782 entries)
2. AIMnet(AS3763) at Mae-West 7.98 (415 ann, 52 entries)
3. Netcom(AS2551) at Mae-East 6.46 (2023 ann, 313 entries)
4. ThePlanet(AS5388) at Mae-West 4.83 (396 ann, 82 entries)
5. highway1(AS7922) at Mae-West 4.11 (37 ann, 9 entries)
6. highway1(AS7922) at Mae-East 3.89 (35 ann, 9 entries)
7. internetMCI(AS3561) at AADS 2.67 (47532 ann, 17813 entries)
8. IBMGlobal(AS2685) at AADS 2.60 (231 ann, 89 entries)
9. ThePlanet(AS5388) at Mae-East 2.19 (193 ann, 88 entries)
10. InterAccess(AS3789) at AADS 2.18 (61 ann, 28 entries)
11. OurWorld(AS7594) at Mae-West 1.81 (324 ann, 179 entries)
12. Netcom(AS2551) at AADS 1.78 (556 ann, 312 entries)
13. ANS(AS1673) at Mae-East 1.76 (3097 ann, 1760 entries)
14. SPRINT(AS1239) at Mae-East 1.53 (33792 ann, 22032 entries)
15. VisiNet(AS6261) at Mae-East 1.27 (261 ann, 206 entries)
16. AGIS(AS4200) at Mae-East 1.26 (2319 ann, 1847 entries)
17. Best(AS3915) at Mae-West 1.17 (103 ann, 88 entries)
18. EUnet(AS286) at Mae-East 1.16 (1010 ann, 870 entries)
19. VisiNet(AS6261) at Mae-West 1.14 (234 ann, 205 entries)
20. VBC(AS6320) at Mae-West 0.90 (19 ann, 21 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3947
2. internetMCI (3561) at pb 741
3. INAP.net (5646) at aads 470
4. BBNplanet (1) at mae-west 444
5. Digex (2548) at mae-west 383
6. AGIS (4200) at mae-east 355
7. Grid (6113) at pb 348
8. IBMGlobal (2685) at mae-west 329
9. AT&T (6478) at pb 241
10. CAIS (3491) at aads 134
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT