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
---------------------------------------
195.12.164.128/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
195.12.164.144/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
195.12.164.248/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
195.12.165.0/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
Reserved AS Numbers
-------------------
AS64810 at Mae-East from SPRINT (AS1239) ASPATH=1239 685 4134 64810 INCOMPLETE
AS65010 at Mae-East from NASA (AS297) ASPATH=297 65010 IGP
AS64930 at Mae-East from SPRINT (AS1239) ASPATH=1239 685 4134 4134 4134 64930 IGP
AS64810 at Mae-West from OurWorld (AS7594) ASPATH=7594 6461 1239 685 4134 64810 INCOMPLETE
AS65010 at Mae-West from NASA (AS297) ASPATH=297 65010 IGP
AS64930 at Mae-West from Digex (AS2548) ASPATH=2548 6641 701 1239 685 4134 4134 4134 64930 IGP
AS64930 at AADS from CAIS (AS3491) ASPATH=3491 4969 4969 4969 7594 7594 7594 7594 6461 1239 685 4134 4134 4134 64930 IGP
AS64810 at Paix from OurWorld (AS7594) ASPATH=7594 6461 1239 685 4134 64810 INCOMPLETE
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. Digex (AS2548) at Mae-West 100168 + 126144 = 226312 BGP prefix updates
2. Digex (AS2548) at Mae-East 103567 + 80821 = 184388 BGP prefix updates
3. SPRINT (AS1239) at Mae-East 125138 + 28216 = 153354 BGP prefix updates
4. OurWorld (AS7594) at Mae-West 3535 + 141972 = 145507 BGP prefix updates
5. internetMCI (AS3561) at PacBell 43424 + 22721 = 66145 BGP prefix updates
6. MainStreet (AS3720) at Mae-West 8 + 52889 = 52897 BGP prefix updates
7. internetMCI (AS3561) at AADS 34546 + 15370 = 49916 BGP prefix updates
8. internetMCI (AS3561) at Mae-East 34603 + 15293 = 49896 BGP prefix updates
9. AGIS (AS4200) at Mae-East 23414 + 13572 = 36986 BGP prefix updates
10. WNA (AS2914) at Mae-East 11220 + 4634 = 15854 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Digex(AS2548) at Mae-East 112.45 (103567 ann, 921 entries)
2. Digex(AS2548) at Mae-West 108.76 (100168 ann, 921 entries)
3. AIMnet(AS3763) at Mae-West 18.44 (922 ann, 50 entries)
4. Cableol(AS5089) at Mae-East 15.00 (60 ann, 4 entries)
5. NetAxs(AS4969) at Mae-East 14.40 (3212 ann, 223 entries)
6. OurWorld(AS7594) at Mae-West 13.29 (3535 ann, 266 entries)
7. AGIS(AS4200) at Mae-East 12.64 (23414 ann, 1853 entries)
8. highway1(AS7922) at Mae-West 12.38 (99 ann, 8 entries)
9. highway1(AS7922) at Mae-East 10.75 (86 ann, 8 entries)
10. EXODUS(AS3967) at Mae-West 9.78 (2289 ann, 234 entries)
11. WNA(AS2914) at Mae-East 9.11 (11220 ann, 1231 entries)
12. Intermedia(AS6235) at Mae-East 8.69 (1850 ann, 213 entries)
13. HLC(AS4565) at Mae-West 6.94 (500 ann, 72 entries)
14. HLC(AS4565) at AADS 6.65 (479 ann, 72 entries)
15. HLC(AS4565) at Mae-East 6.60 (475 ann, 72 entries)
16. SPRINT(AS1239) at Mae-East 5.98 (125138 ann, 20914 entries)
17. OurWorld(AS7594) at Paix 5.29 (1413 ann, 267 entries)
18. WNA(AS2914) at Mae-West 4.92 (12105 ann, 2462 entries)
19. DISC(AS7170) at Mae-East 4.79 (546 ann, 114 entries)
20. WNA(AS2914) at Mae-West 4.63 (11405 ann, 2462 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3869
2. internetMCI (3561) at aads 929
3. AGIS (4200) at mae-east 385
4. BBNplanet (1) at mae-west 375
5. IBMGlobal (2685) at mae-west 270
6. Grid (6113) at pb 216
7. Digex (2548) at mae-west 195
8. AT&T (6478) at aads 174
9. INAP.net (5646) at aads 152
10. CAIS (3491) at aads 134
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT