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
---------------------------------------
1.0.0.0/8 at Mae-East from CAIS (AS3491) ASPATH=3491 6261 7594 INCOMPLETE
1.0.0.0/8 at Mae-East from CAIS (AS3491) ASPATH=3491 6261 7594 INCOMPLETE
1.0.0.0/8 at Mae-East from VisiNet (AS6261) ASPATH=6261 7594 INCOMPLETE
1.0.0.0/8 at Mae-West from CAIS (AS3491) ASPATH=3491 6261 7594 INCOMPLETE
1.0.0.0/8 at Mae-West from VisiNet (AS6261) ASPATH=6261 7594 INCOMPLETE
1.0.0.0/8 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 INCOMPLETE
193.234.249.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
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
207.26.64.80/28 at PacBell from ANS (AS1673) ASPATH=1673 1675 IGP
209.50.240.180/32 at Mae-East from NetAxs (AS4969) ASPATH=4969 3066 IGP
209.50.240.180/32 at Mae-East from Seastrom (AS3066) ASPATH=3066 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
209.88.14.64/28 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
7.0.0.0/8 at Mae-West from CAIS (AS3491) ASPATH=3491 6261 7594 INCOMPLETE
Reserved AS Numbers
-------------------
AS64600 at Mae-East from NASA (AS297) ASPATH=297 64600 IGP
AS65350 at Mae-East from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 65531 IGP
AS65531 at Mae-East from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 65531 IGP
AS64600 at Mae-West from NASA (AS297) ASPATH=297 64600 IGP
AS65350 at Mae-West from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7702 IGP
AS65531 at Mae-West from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 65531 IGP
AS65350 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7702 IGP
AS65531 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 65531 IGP
AS65000 at PacBell from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. Nacamar (AS3257) at Mae-West 31818 + 31779 = 63597 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 46676 + 12034 = 58710 BGP prefix updates
3. internetMCI (AS3561) at PacBell 50976 + 7725 = 58701 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 26997 + 9307 = 36304 BGP prefix updates
5. internetMCI (AS3561) at AADS 25765 + 9120 = 34885 BGP prefix updates
6. MainStreet (AS3720) at Mae-West 8 + 12185 = 12193 BGP prefix updates
7. AT&T (AS6478) at Mae-West 9420 + 933 = 10353 BGP prefix updates
8. BBNplanet (AS1) at Mae-East 5071 + 2217 = 7288 BGP prefix updates
9. BBNplanet (AS1) at Mae-West 3948 + 1801 = 5749 BGP prefix updates
10. CERFnet (AS1740) at Mae-West 4180 + 1543 = 5723 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Nacamar(AS3257) at Mae-West 422.08 (10974 ann, 26 entries)
2. AIMnet(AS3763) at Mae-West 27.81 (1446 ann, 52 entries)
3. u-net(AS5669) at Mae-West 15.11 (136 ann, 9 entries)
4. Best(AS3915) at Mae-West 14.09 (1212 ann, 86 entries)
5. IBMGlobal(AS2685) at AADS 7.56 (136 ann, 18 entries)
6. u-net(AS5669) at Paix 5.80 (58 ann, 10 entries)
7. DRA(AS1746) at Mae-West 5.58 (67 ann, 12 entries)
8. DRA(AS1746) at AADS 5.46 (71 ann, 13 entries)
9. highway1(AS7922) at Mae-West 5.22 (47 ann, 9 entries)
10. DRA(AS1746) at Mae-East 5.08 (66 ann, 13 entries)
11. highway1(AS7922) at Mae-East 5.00 (45 ann, 9 entries)
12. DREN(AS668) at Mae-West 4.36 (1095 ann, 251 entries)
13. DREN(AS668) at Mae-East 4.33 (1078 ann, 249 entries)
14. Interpath(AS3407) at Mae-East 3.97 (123 ann, 31 entries)
15. AGIS(AS4200) at Mae-East 3.33 (6130 ann, 1842 entries)
16. SPRINT(AS1239) at Mae-East 2.44 (52095 ann, 21350 entries)
17. Above(AS6461) at Mae-West 2.21 (770 ann, 349 entries)
18. OurWorld(AS7594) at Mae-West 1.97 (361 ann, 183 entries)
19. WEN(AS4540) at PacBell 1.40 (7 ann, 5 entries)
20. Nacamar(AS3257) at Mae-East 1.28 (95 ann, 74 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3979
2. internetMCI (3561) at aads 747
3. BBNplanet (1) at mae-west 451
4. AGIS (4200) at mae-east 347
5. Grid (6113) at pb 338
6. IBMGlobal (2685) at mae-east 325
7. AT&T (6478) at aads 233
8. Digex (2548) at mae-west 228
9. NASA (297) at mae-west 179
10. INAP.net (5646) at aads 167
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT