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
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Also see http://www.caida.org for more information about Internet statistics
collection research efforts.
Reserved Network and Host Announcements
---------------------------------------
192.116.206.192/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 5486 Incomplete
192.116.206.80/28 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 5486 Incomplete
192.116.207.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 5486 Incomplete
192.116.207.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 5486 Incomplete
192.116.207.64/28 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 5486 Incomplete
192.116.213.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 5486 Incomplete
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.226.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 5486 Incomplete
192.116.226.96/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 5486 Incomplete
195.204.43.32/27 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 5381 IGP
198.60.153.49/32 at Mae-East from GoodNet (AS5696) ASPATH=5696 Incomplete
198.60.153.49/32 at Mae-West 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
Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. idc (AS4694) at Mae-West 792 + 256500 = 257292 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 144 + 240559 = 240703 BGP prefix updates
3. GetNet (AS5784) at Mae-East 54 + 187873 = 187927 BGP prefix updates
4. DISA (AS568) at Mae-West 3315 + 180350 = 183665 BGP prefix updates
5. SPRINT (AS1239) at Mae-East 141437 + 18776 = 160213 BGP prefix updates
6. USCyber (AS4136) at Mae-East 112 + 127816 = 127928 BGP prefix updates
7. Interpath (AS3407) at Mae-East 645 + 107760 = 108405 BGP prefix updates
8. internetMCI (AS3561) at Mae-East 93728 + 8763 = 102491 BGP prefix updates
9. telia (AS1299) at Mae-East 3092 + 51005 = 54097 BGP prefix updates
10. ANS (AS1673) at Mae-West 30313 + 20088 = 50401 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. CWIX(AS5683) at Mae-East 78.99 (6951 ann, 88 entries)
2. NetAxs(AS4969) at Mae-East 78.74 (3937 ann, 50 entries)
3. CWIX(AS5683) at Mae-East 67.97 (5981 ann, 88 entries)
4. SPRINT(AS1239) at Mae-East 67.45 (141437 ann, 2097 entries)
5. CableInet(AS5462) at Mae-East 59.00 (354 ann, 6 entries)
6. On-Net(AS6792) at Mae-East 56.00 (56 ann, 1 entries)
7. ANS(AS1673) at PacBell 52.78 (19740 ann, 374 entries)
8. VisiNet(AS6261) at Mae-East 51.20 (512 ann, 10 entries)
9. DREN(AS668) at Mae-East 43.57 (4662 ann, 107 entries)
10. Grid(AS6113) at PacBell 35.47 (6774 ann, 191 entries)
11. conxion(AS4544) at Mae-East 30.00 (30 ann, 1 entries)
12. INSnet(AS5378) at Mae-East 29.87 (896 ann, 30 entries)
13. ThePlanet(AS5388) at Mae-East 29.60 (296 ann, 10 entries)
14. MIBX(AS6218) at PacBell 27.00 (108 ann, 4 entries)
15. Primenet(AS3549) at Mae-East 26.68 (507 ann, 19 entries)
16. netrail(AS4006) at Mae-East 26.00 (130 ann, 5 entries)
17. Grid(AS6113) at Mae-East 25.44 (26148 ann, 1028 entries)
18. Grid(AS6113) at Mae-West 23.92 (11432 ann, 478 entries)
19. Genuity(AS3847) at Mae-East 22.92 (3966 ann, 173 entries)
20. Interpath(AS3407) at Mae-East 20.81 (645 ann, 31 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. AGIS (4200) at mae-east 456
2. CWIX (5683) at mae-west 251
3. SPRINT (1239) at mae-east 238
4. AT&T (6478) at mae-east 226
5. internetMCI (3561) at mae-east 209
6. Grid (6113) at mae-east 181
7. Digex (2548) at mae-east 170
8. BBNplanet (1) at mae-west 164
9. CAIS (3491) at mae-west 130
10. DREN (668) at mae-west 118
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:16 EDT