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
---------------------------------------
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.168.1/24 at AADS from INCnet (AS3857) ASPATH=3857 Incomplete
192.168.125/24 at AADS from INCnet (AS3857) ASPATH=3857 Incomplete
192.168.35/24 at AADS from INCnet (AS3857) ASPATH=3857 Incomplete
192.168.4/24 at AADS from INCnet (AS3857) ASPATH=3857 Incomplete
192.168.5/24 at AADS from INCnet (AS3857) ASPATH=3857 Incomplete
199.221.121.0/27 at Mae-East from ANS (AS1673) ASPATH=1673 1669 IGP
199.221.121.0/27 at Mae-West from ANS (AS1673) ASPATH=1673 1669 IGP
199.221.121.0/27 at PacBell from ANS (AS1673) ASPATH=1673 1669 IGP
209.95.130.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 Incomplete
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. NetKonect (AS6716) at Mae-East 0 + 628595 = 628595 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 309721 + 71211 = 380932 BGP prefix updates
3. GetNet (AS5784) at Mae-East 18 + 353828 = 353846 BGP prefix updates
4. USCyber (AS4136) at Mae-East 0 + 308761 = 308761 BGP prefix updates
5. idc (AS4694) at Mae-West 22 + 195368 = 195390 BGP prefix updates
6. telia (AS1299) at Mae-East 137 + 110889 = 111026 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 49503 + 17273 = 66776 BGP prefix updates
8. internetMCI (AS3561) at AADS 44942 + 16262 = 61204 BGP prefix updates
9. CompuServe (AS4183) at Mae-East 226 + 56593 = 56819 BGP prefix updates
10. internetMCI (AS3561) at PacBell 29930 + 13568 = 43498 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. NetAxs(AS4969) at Mae-East 73.21 (7248 ann, 99 entries)
2. Nacamar(AS3257) at Mae-West 37.09 (1743 ann, 47 entries)
3. Nacamar(AS3257) at Mae-East 24.78 (1462 ann, 59 entries)
4. ACSI(AS6467) at Mae-West 16.33 (3086 ann, 189 entries)
5. ACSI(AS6467) at Mae-East 16.20 (3062 ann, 189 entries)
6. SPRINT(AS1239) at Mae-East 14.99 (309721 ann, 20663 entries)
7. u-net(AS5669) at Mae-West 14.12 (113 ann, 8 entries)
8. Digex(AS2548) at Mae-East 9.52 (8212 ann, 863 entries)
9. Digex(AS2548) at Mae-West 7.80 (6897 ann, 884 entries)
10. ANS(AS1673) at Mae-East 7.70 (17180 ann, 2231 entries)
11. Voicenet(AS3932) at Mae-East 7.08 (368 ann, 52 entries)
12. Cableol(AS5089) at Mae-East 6.00 (24 ann, 4 entries)
13. AT&T(AS6478) at Mae-East 5.99 (12017 ann, 2007 entries)
14. OLEANE(AS2917) at Mae-East 5.86 (252 ann, 43 entries)
15. Intermedia(AS6235) at Mae-East 5.50 (1308 ann, 238 entries)
16. VisiNet(AS6261) at Mae-West 5.26 (100 ann, 19 entries)
17. AGIS(AS4200) at Mae-East 4.82 (8436 ann, 1752 entries)
18. CableInet(AS5462) at Mae-West 4.61 (203 ann, 44 entries)
19. ANS(AS1673) at PacBell 4.60 (9935 ann, 2158 entries)
20. ANS(AS1673) at Mae-West 4.40 (9964 ann, 2265 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3546
2. internetMCI (3561) at pb 676
3. BBNplanet (1) at mae-east 399
4. AGIS (4200) at mae-east 306
5. Grid (6113) at mae-west 191
6. IBMGlobal (2685) at mae-east 184
7. AT&T (6478) at mae-west 170
8. Digex (2548) at mae-west 164
9. INAP.net (5646) at aads 157
10. CAIS (3491) at mae-west 139
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT