11/15/97 Internet Routing Problems

From: stats@merit.edu
Date: Sun Nov 16 1997 - 10:00:02 EST


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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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
194.117.132.184/30 at Mae-East from CableInet (AS5462) ASPATH=5462 6676 IGP
205.229.33.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
205.229.33.16/28 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.33.16/28 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.128/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
205.229.44.128/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.128/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.160/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
205.229.44.160/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.160/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.192/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
205.229.44.192/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.192/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
205.229.44.32/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.32/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
205.229.44.64/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.64/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.96/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
205.229.44.96/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
205.229.44.96/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.155.136.96/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.155.136.96/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.155.136.96/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.155.137.1/32 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.155.137.1/32 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.155.137.1/32 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.155.153.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.155.153.32/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.155.153.32/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.155.153.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.155.153.64/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.155.153.64/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.30.52.128/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.30.52.128/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.128/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.160/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.30.52.160/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.160/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.192/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.30.52.192/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.192/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.224/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.30.52.224/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.224/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.225/32 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.30.52.225/32 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.225/32 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.30.52.32/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.32/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.30.52.64/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.64/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.96/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.30.52.96/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.96/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.97/32 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.30.52.97/32 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.52.97/32 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.55.224/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.30.55.224/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.30.55.224/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.12/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.12/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.12/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.16/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.16/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.16/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.200/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.200/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.200/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.204/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.204/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.204/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.208/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.208/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.208/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.212/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.212/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.212/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.216/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.216/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.216/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.220/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.220/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.220/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.224/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.224/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.224/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.228/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.228/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.228/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.232/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.232/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.232/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.236/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.236/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.236/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.24/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.24/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.24/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.240/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.240/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.240/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.244/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.244/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.244/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.248/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 Incomplete
206.31.77.248/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.248/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 Incomplete
206.31.77.28/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.28/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.28/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.4/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.4/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.4/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.44/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.44/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.44/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.52/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.52/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.52/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.56/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.56/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.56/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.68/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.68/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.68/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.80.170.204/30 at Mae-East from Grid (AS6113) ASPATH=6113 IGP
207.212.14.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5672 10501 IGP
208.199.194.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
208.199.194.32/27 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
208.199.194.32/27 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP

Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)

1. NetKonect (AS6716) at Mae-East 7 + 437895 = 437902 BGP prefix updates
2. GetNet (AS5784) at Mae-East 0 + 319746 = 319746 BGP prefix updates
3. USCyber (AS4136) at Mae-East 0 + 183115 = 183115 BGP prefix updates
4. Interpath (AS3407) at Mae-East 332 + 181302 = 181634 BGP prefix updates
5. idc (AS4694) at Mae-West 123 + 170891 = 171014 BGP prefix updates
6. SPRINT (AS1239) at Mae-East 141504 + 24858 = 166362 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 121486 + 16530 = 138016 BGP prefix updates
8. UIUC (AS38) at AADS 70369 + 45757 = 116126 BGP prefix updates
9. internetMCI (AS3561) at AADS 89263 + 21390 = 110653 BGP prefix updates
10. telia (AS1299) at Mae-East 1363 + 78389 = 79752 BGP prefix updates

Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)

1. UIUC(AS38) at AADS 11728.17 (70369 ann, 6 entries)
2. NetAxs(AS4969) at Mae-East 184.79 (6098 ann, 33 entries)
3. Cableol(AS5089) at Mae-East 17.00 (51 ann, 3 entries)
4. ThePlanet(AS5388) at Mae-East 15.54 (544 ann, 35 entries)
5. FiberNet(AS6259) at Mae-East 14.43 (332 ann, 23 entries)
6. EUnet(AS286) at Mae-East 12.67 (14891 ann, 1175 entries)
7. FiberNet(AS6259) at Mae-West 11.83 (272 ann, 23 entries)
8. ANS(AS1673) at Mae-East 11.49 (18776 ann, 1634 entries)
9. ThePlanet(AS5388) at Mae-West 11.45 (378 ann, 33 entries)
10. AGIS(AS4200) at Mae-East 10.37 (10175 ann, 981 entries)
11. Voicenet(AS3932) at Mae-East 10.22 (552 ann, 54 entries)
12. HLC(AS4565) at Mae-East 9.07 (626 ann, 69 entries)
13. CableInet(AS5462) at Mae-East 8.84 (389 ann, 44 entries)
14. ACSI(AS6467) at Mae-East 8.78 (1080 ann, 123 entries)
15. HLC(AS4565) at AADS 8.76 (596 ann, 68 entries)
16. Nacamar(AS3257) at Mae-East 8.34 (392 ann, 47 entries)
17. internetMCI(AS3561) at Mae-East 7.37 (121486 ann, 16494 entries)
18. SPRINT(AS1239) at Mae-East 7.27 (141504 ann, 19468 entries)
19. INAP.net(AS5646) at Mae-East 6.86 (11019 ann, 1607 entries)
20. Dialnet(AS5552) at Mae-East 6.78 (563 ann, 83 entries)

Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)

1. SPRINT (1239) at mae-east 3506
2. internetMCI (3561) at aads 650
3. BBNplanet (1) at mae-west 419
4. AGIS (4200) at mae-east 322
5. AT&T (6478) at mae-east 204
6. CWIX (5683) at mae-west 176
7. IBMGlobal (2685) at mae-west 169
8. Grid (6113) at pb 167
9. NASA (297) at mae-west 157
10. Digex (2548) at mae-west 152






This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT