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
192.116.222.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
206.80.170.204/30 at Mae-East from Grid (AS6113) ASPATH=6113 IGP
206.80.170.204/30 at PacBell from Grid (AS6113) ASPATH=6113 IGP
207.212.14.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5672 10501 IGP
24.48.21.0/28 at Mae-East from ANS (AS1673) ASPATH=1673 1333 Incomplete
24.48.22.64/28 at Mae-East from ANS (AS1673) ASPATH=1673 1333 Incomplete
24.48.24.0/28 at Mae-East from ANS (AS1673) ASPATH=1673 1333 Incomplete
24.48.26.0/28 at Mae-East from ANS (AS1673) ASPATH=1673 1333 Incomplete
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. idc (AS4694) at Mae-West 34 + 463848 = 463882 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 17 + 448024 = 448041 BGP prefix updates
3. GetNet (AS5784) at Mae-East 15 + 343488 = 343503 BGP prefix updates
4. USCyber (AS4136) at Mae-East 14 + 286376 = 286390 BGP prefix updates
5. SPRINT (AS1239) at Mae-East 190310 + 17730 = 208040 BGP prefix updates
6. internetMCI (AS3561) at Mae-East 145956 + 12140 = 158096 BGP prefix updates
7. Interpath (AS3407) at Mae-East 1893 + 124388 = 126281 BGP prefix updates
8. telia (AS1299) at Mae-East 748 + 68369 = 69117 BGP prefix updates
9. internetMCI (AS3561) at PacBell 43874 + 12466 = 56340 BGP prefix updates
10. internetMCI (AS3561) at AADS 39837 + 13385 = 53222 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 133.25 (6396 ann, 48 entries)
2. Interpath(AS3407) at Mae-East 37.12 (1893 ann, 51 entries)
3. DREN(AS668) at Mae-East 20.75 (4711 ann, 227 entries)
4. Voicenet(AS3932) at Mae-East 15.18 (850 ann, 56 entries)
5. GoodNet(AS5696) at AADS 11.95 (5415 ann, 453 entries)
6. Advantis(AS2685) at Mae-East 11.72 (5063 ann, 432 entries)
7. AGIS(AS4200) at Mae-East 11.68 (21260 ann, 1820 entries)
8. HLC(AS4565) at Mae-East 11.64 (780 ann, 67 entries)
9. onecall(AS6402) at AADS 11.32 (430 ann, 38 entries)
10. Priori(AS10303) at Mae-East 11.23 (146 ann, 13 entries)
11. NASA(AS297) at Mae-East 10.51 (2975 ann, 283 entries)
12. SPRINT(AS1239) at Mae-East 9.71 (190310 ann, 19599 entries)
13. internetMCI(AS3561) at Mae-East 8.92 (145956 ann, 16360 entries)
14. BBNplanet(AS1) at Mae-East 8.32 (40164 ann, 4826 entries)
15. DISC(AS7170) at Mae-East 8.30 (614 ann, 74 entries)
16. netrail(AS4006) at Mae-East 8.05 (177 ann, 22 entries)
17. HLC(AS4565) at Mae-West 8.04 (539 ann, 67 entries)
18. HE(AS6939) at Mae-West 7.78 (70 ann, 9 entries)
19. Advantis(AS2685) at AADS 7.72 (2693 ann, 349 entries)
20. Internex(AS2828) at Mae-East 7.69 (492 ann, 64 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3708
2. internetMCI (3561) at aads 613
3. BBNplanet (1) at mae-west 418
4. AGIS (4200) at mae-east 376
5. AT&T (6478) at pb 243
6. CWIX (5683) at mae-east 166
7. Digex (2548) at mae-west 157
8. Grid (6113) at pb 153
9. NASA (297) at mae-west 146
10. INAP.net (5646) at mae-west 129
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:16 EDT