11/18/97 Internet Routing Problems

From: stats@merit.edu
Date: Wed Nov 19 1997 - 10:00:04 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.
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Also see http://www.caida.org for more information about Internet statistics
collection research efforts.

Reserved Network and Host Announcements
---------------------------------------
147.73.234.0/28 at Mae-West from DREN (AS668) ASPATH=668 IGP
147.73.234.128/27 at Mae-West from DREN (AS668) ASPATH=668 IGP
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
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
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
206.31.77.12/30 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 IGP
206.31.77.204/30 at Mae-East from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.204/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
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
39/8 at Mae-East from AGIS (AS4200) ASPATH=4200 7288 5678 2685 701 174 IGP

Reserved AS Numbers
-------------------
AS64602 at Mae-East from Digex (AS2548) ASPATH=2548 64602 64602 64602 64602 64602 64602 IGP

AS64602 at Mae-West from Digex (AS2548) ASPATH=2548 64602 64602 64602 64602 64602 64602 IGP

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

1. NetKonect (AS6716) at Mae-East 6 + 521923 = 521929 BGP prefix updates
2. GetNet (AS5784) at Mae-East 5 + 397490 = 397495 BGP prefix updates
3. Interpath (AS3407) at Mae-East 229 + 285836 = 286065 BGP prefix updates
4. USCyber (AS4136) at Mae-East 0 + 278465 = 278465 BGP prefix updates
5. idc (AS4694) at Mae-West 13 + 276816 = 276829 BGP prefix updates
6. SPRINT (AS1239) at Mae-East 158511 + 43489 = 202000 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 95447 + 22544 = 117991 BGP prefix updates
8. internetMCI (AS3561) at AADS 75527 + 24672 = 100199 BGP prefix updates
9. telia (AS1299) at Mae-East 1945 + 86049 = 87994 BGP prefix updates
10. AGIS (AS4200) at Mae-East 40748 + 30013 = 70761 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 122.22 (6111 ann, 50 entries)
2. Cableol(AS5089) at Mae-East 58.25 (233 ann, 4 entries)
3. AGIS(AS4200) at Mae-East 39.52 (40748 ann, 1031 entries)
4. CAIS(AS3491) at Mae-West 25.48 (16081 ann, 631 entries)
5. netrail(AS4006) at Mae-East 23.58 (283 ann, 12 entries)
6. Voicenet(AS3932) at Mae-East 21.00 (1113 ann, 53 entries)
7. IXI(AS5418) at Mae-East 14.00 (42 ann, 3 entries)
8. ThePlanet(AS5388) at Mae-East 12.81 (461 ann, 36 entries)
9. HLC(AS4565) at Mae-East 11.26 (777 ann, 69 entries)
10. GoodNet(AS5696) at AADS 10.88 (4786 ann, 440 entries)
11. Netcom(AS2551) at Mae-East 10.83 (3564 ann, 329 entries)
12. FiberNet(AS6259) at Mae-East 10.48 (241 ann, 23 entries)
13. EUnet(AS286) at Mae-East 10.32 (11806 ann, 1144 entries)
14. CompuServe(AS4183) at Mae-East 9.86 (552 ann, 56 entries)
15. ThePlanet(AS5388) at Mae-West 9.35 (318 ann, 34 entries)
16. DISC(AS7170) at Mae-East 8.50 (578 ann, 68 entries)
17. CableInet(AS5462) at Mae-West 8.50 (374 ann, 44 entries)
18. DREN(AS668) at Mae-East 8.33 (1757 ann, 211 entries)
19. Priori(AS10303) at Mae-West 8.31 (133 ann, 16 entries)
20. FiberNet(AS6259) at Mae-West 8.30 (191 ann, 23 entries)

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

1. SPRINT (1239) at mae-east 3650
2. internetMCI (3561) at mae-east 629
3. BBNplanet (1) at mae-east 422
4. AGIS (4200) at mae-east 301
5. AT&T (6478) at aads 221
6. IBMGlobal (2685) at aads 180
7. Grid (6113) at pb 168
8. Digex (2548) at mae-east 161
9. CWIX (5683) at mae-west 152
10. INAP.net (5646) at mae-west 136






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