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
---------------------------------------
140.35.15.16/29 at Mae-West from DISA (AS568) ASPATH=568 1913 1913 1913 1913 1913 1913 Incomplete
140.35.15.8/29 at Mae-West from DISA (AS568) ASPATH=568 1913 1913 1913 1913 1913 1913 Incomplete
140.35.155.0/29 at Mae-West from DISA (AS568) ASPATH=568 1913 1913 1913 1913 1913 1913 Incomplete
140.35.2.56/29 at Mae-West from DISA (AS568) ASPATH=568 1913 1913 1913 1913 1913 1913 Incomplete
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
193.235.137.16/28 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 Incomplete
193.235.137.32/28 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 Incomplete
204.34.186.13/32 at Mae-West from DISA (AS568) ASPATH=568 1913 1913 1913 1913 1913 1913 Incomplete
204.34.186.14/32 at Mae-West from DISA (AS568) ASPATH=568 1913 1913 1913 1913 1913 1913 Incomplete
204.34.186.17/32 at Mae-West from DISA (AS568) ASPATH=568 1913 1913 1913 1913 1913 1913 Incomplete
204.34.186.18/32 at Mae-West from DISA (AS568) ASPATH=568 1913 1913 1913 1913 1913 1913 Incomplete
209.100.89.0/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.0/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.0/27 at AADS from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.128/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.128/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.128/27 at AADS from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.160/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.160/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.160/27 at AADS from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.192/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.192/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.192/27 at AADS from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.224/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.224/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.224/27 at AADS from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.32/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.32/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.32/27 at AADS from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.64/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.64/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.64/27 at AADS from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.96/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.96/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.96/27 at AADS from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.91.0/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.91.0/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.91.0/27 at AADS from INAP.net (AS5646) ASPATH=5646 10268 IGP
Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
AS65534 at Mae-East from internetMCI (AS3561) ASPATH=3561 4926 4926 4926 65534 IGP
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
AS65534 at AADS from internetMCI (AS3561) ASPATH=3561 4926 4926 4926 65534 IGP
AS65534 at PacBell from internetMCI (AS3561) ASPATH=3561 4926 4926 4926 65534 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. idc (AS4694) at Mae-West 98 + 172980 = 173078 BGP prefix updates
2. GetNet (AS5784) at Mae-East 25 + 158446 = 158471 BGP prefix updates
3. SPRINT (AS1239) at Mae-East 115163 + 30601 = 145764 BGP prefix updates
4. NetKonect (AS6716) at Mae-East 15 + 110159 = 110174 BGP prefix updates
5. USCyber (AS4136) at Mae-East 1 + 75985 = 75986 BGP prefix updates
6. CompuServe (AS4183) at Mae-East 5 + 57581 = 57586 BGP prefix updates
7. Interpath (AS3407) at Mae-East 481 + 56365 = 56846 BGP prefix updates
8. internetMCI (AS3561) at AADS 31161 + 12508 = 43669 BGP prefix updates
9. internetMCI (AS3561) at Mae-East 29151 + 12440 = 41591 BGP prefix updates
10. internetMCI (AS3561) at PacBell 25068 + 10443 = 35511 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. CAIS(AS3491) at Mae-West 49.33 (20326 ann, 412 entries)
2. VisiNet(AS6261) at Mae-West 39.94 (639 ann, 16 entries)
3. VisiNet(AS6261) at Mae-East 34.00 (544 ann, 16 entries)
4. Nacamar(AS3257) at Mae-West 29.31 (1407 ann, 48 entries)
5. NetAxs(AS4969) at Mae-East 21.47 (2168 ann, 101 entries)
6. DISA(AS568) at Mae-West 18.09 (10182 ann, 563 entries)
7. ICI(AS6561) at Mae-West 12.19 (195 ann, 16 entries)
8. ISI.Net(AS6196) at Mae-East 9.96 (757 ann, 76 entries)
9. AT&T(AS6478) at Mae-East 9.63 (18700 ann, 1941 entries)
10. Primenet(AS3549) at Mae-East 9.63 (626 ann, 65 entries)
11. Interpath(AS3407) at Mae-East 9.43 (481 ann, 51 entries)
12. HLC(AS4565) at AADS 7.96 (549 ann, 69 entries)
13. AGIS(AS4200) at Mae-East 7.90 (7326 ann, 927 entries)
14. HLC(AS4565) at Mae-East 7.70 (531 ann, 69 entries)
15. HLC(AS4565) at Mae-West 7.64 (527 ann, 69 entries)
16. Primenet(AS3549) at Mae-West 6.69 (435 ann, 65 entries)
17. ThePlanet(AS5388) at Mae-West 6.53 (235 ann, 36 entries)
18. Intermedia(AS6235) at Mae-East 6.34 (1521 ann, 240 entries)
19. WCG(AS7911) at PacBell 6.00 (6 ann, 1 entries)
20. Dialnet(AS5552) at Mae-East 5.89 (542 ann, 92 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3515
2. internetMCI (3561) at aads 619
3. BBNplanet (1) at mae-east 397
4. AGIS (4200) at mae-east 270
5. AT&T (6478) at aads 204
6. IBMGlobal (2685) at aads 196
7. Grid (6113) at pb 179
8. INAP.net (5646) at mae-west 155
9. CAIS (3491) at aads 151
10. Digex (2548) at mae-west 141
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT