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
---------------------------------------
10/8 at Mae-East from Internex (AS2828) ASPATH=2828 Incomplete
10/8 at Mae-West from Internex (AS2828) ASPATH=2828 Incomplete
10/8 at AADS from Internex (AS2828) ASPATH=2828 Incomplete
10/8 at Paix from Internex (AS2828) ASPATH=2828 Incomplete
133.55.0.11/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 2907 IGP
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
199.221.121.0/27 at Mae-East from ANS (AS1673) ASPATH=1673 1669 IGP
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
206.80.170.204/30 at PacBell from Grid (AS6113) ASPATH=6113 IGP
209.100.89.0/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.128/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.160/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.192/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.224/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.32/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.64/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.96/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.91.0/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.95.130.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 Incomplete
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NetKonect (AS6716) at Mae-East 2 + 411206 = 411208 BGP prefix updates
2. GetNet (AS5784) at Mae-East 2 + 410857 = 410859 BGP prefix updates
3. USCyber (AS4136) at Mae-East 0 + 233444 = 233444 BGP prefix updates
4. idc (AS4694) at Mae-West 49 + 203922 = 203971 BGP prefix updates
5. SPRINT (AS1239) at Mae-East 154137 + 25768 = 179905 BGP prefix updates
6. internetMCI (AS3561) at AADS 54386 + 16890 = 71276 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 46296 + 12334 = 58630 BGP prefix updates
8. telia (AS1299) at Mae-East 411 + 52497 = 52908 BGP prefix updates
9. CompuServe (AS4183) at Mae-East 114 + 52646 = 52760 BGP prefix updates
10. internetMCI (AS3561) at PacBell 28431 + 11065 = 39496 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 79.60 (7721 ann, 97 entries)
2. OLEANE(AS2917) at Mae-East 37.95 (1632 ann, 43 entries)
3. HLC(AS4565) at Mae-West 30.48 (2103 ann, 69 entries)
4. HLC(AS4565) at Mae-East 25.36 (1750 ann, 69 entries)
5. HLC(AS4565) at AADS 24.25 (1673 ann, 69 entries)
6. UIC(AS6200) at AADS 11.50 (23 ann, 2 entries)
7. AGIS(AS4200) at Mae-East 10.58 (18815 ann, 1779 entries)
8. Voicenet(AS3932) at Mae-East 10.29 (535 ann, 52 entries)
9. Interpath(AS3407) at Mae-East 8.41 (269 ann, 32 entries)
10. HLC(AS4565) at Paix 7.77 (536 ann, 69 entries)
11. VisiNet(AS6261) at Mae-East 7.64 (764 ann, 100 entries)
12. SPRINT(AS1239) at Mae-East 7.47 (154137 ann, 20621 entries)
13. Nacamar(AS3257) at Mae-East 7.21 (447 ann, 62 entries)
14. Digex(AS2548) at Mae-East 7.01 (6354 ann, 907 entries)
15. EUnet(AS286) at Mae-East 6.67 (7427 ann, 1114 entries)
16. CAIS(AS3491) at Mae-West 6.65 (2486 ann, 374 entries)
17. VisiNet(AS6261) at Mae-West 6.63 (663 ann, 100 entries)
18. DISC(AS7170) at Mae-East 6.60 (1017 ann, 154 entries)
19. BBNplanet(AS1) at Mae-East 6.10 (29288 ann, 4805 entries)
20. WCG(AS7911) at PacBell 6.00 (6 ann, 1 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3634
2. internetMCI (3561) at aads 677
3. BBNplanet (1) at mae-west 387
4. AGIS (4200) at mae-east 331
5. CAIS (3491) at aads 199
6. Grid (6113) at pb 183
7. IBMGlobal (2685) at mae-east 175
8. Digex (2548) at mae-east 166
9. AT&T (6478) at pb 165
10. INAP.net (5646) at mae-west 163
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT