11/06/97 Internet Routing Problems

From: stats@merit.edu
Date: Fri Nov 07 1997 - 10:00:03 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
---------------------------------------
144.228.240.220/30 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 1789 IGP
144.228.240.220/30 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 1789 IGP
144.228.240.220/30 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 1789 IGP
166.43.30.0/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
166.43.30.0/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
166.43.30.0/27 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
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
192.132.141.1/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
192.132.141.1/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
192.132.141.1/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
192.168.45/24 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 4742 IGP
192.168.45/24 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 4742 IGP
192.168.45/24 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 4742 IGP
192.168.47/24 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 4742 IGP
192.168.47/24 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 4742 IGP
192.168.47/24 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 4742 IGP
192.36.147.64/30 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
192.36.147.64/30 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
192.36.147.64/30 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
192.94.207.66/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
192.94.207.66/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
192.94.207.66/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
194.206.207.32/30 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
194.206.207.32/30 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
194.206.207.32/30 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
194.206.207.36/30 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
194.206.207.36/30 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
194.206.207.36/30 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
194.207.0.128/28 at Mae-West from VBC (AS6320) ASPATH=6320 IGP
194.75.25.116/30 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 5400 6685 8309 Incomplete
194.75.25.116/30 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 5400 6685 8309 Incomplete
194.75.25.116/30 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 5400 6685 8309 Incomplete
198.178.8.65/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
198.178.8.65/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
198.178.8.65/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
198.211.122.9/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
198.211.122.9/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
198.211.122.9/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
198.239.34.1/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
198.239.34.1/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
198.239.34.1/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
200.31.0.153/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
200.31.0.153/32 at Mae-East from Intermedia (AS6235) ASPATH=6235 5646 4358 1239 IGP
200.31.0.153/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
200.31.0.153/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
200.32.79.237/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
200.32.79.237/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
200.32.79.237/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
202.14.195.72/29 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 Incomplete
202.14.195.72/29 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 Incomplete
202.14.195.72/29 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 Incomplete
203.98.20.240/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 4763 Incomplete
203.98.20.240/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 4763 Incomplete
203.98.20.240/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 1221 4763 Incomplete
204.253.5.53/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
204.253.5.53/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
204.253.5.53/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
204.59.120.192/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.120.192/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.120.192/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.128.192/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.128.192/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.128.192/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.128.224/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.128.224/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.128.224/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.136.192/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.136.192/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.136.192/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.144.192/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.144.192/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.59.144.192/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.70.4.73/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.70.4.73/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
204.70.4.73/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
205.138.230.128/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 6307 IGP
205.138.230.128/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 6307 IGP
205.138.230.128/27 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 6307 IGP
205.138.230.64/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 6307 IGP
205.138.230.64/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 6307 IGP
205.138.230.64/27 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 6307 IGP
205.223.104.76/30 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
205.223.104.76/30 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
205.223.104.76/30 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
205.223.104.80/29 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
205.223.104.80/29 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
205.223.104.80/29 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
205.223.104.88/30 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
205.223.104.88/30 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
205.223.104.88/30 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
206.129.255.2/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
206.129.255.2/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
206.129.255.2/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
206.157.77.152/30 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
206.157.77.152/30 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
206.157.77.152/30 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
206.186.255.254/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
206.186.255.254/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
206.186.255.254/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
206.239.237.226/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
206.239.237.226/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
206.239.237.226/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 IGP
206.31.77.12/30 at Mae-East from AGIS (AS4200) ASPATH=4200 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-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.188/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.188/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.24/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 7079 IGP
206.31.77.24/30 at Mae-West from ACSI (AS6467) ASPATH=6467 7079 IGP
206.31.77.28/30 at Mae-East from AGIS (AS4200) ASPATH=4200 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-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-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-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-West from ACSI (AS6467) ASPATH=6467 7079 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
207.143.1.160/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.1.160/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.1.160/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.128.160/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.128.160/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.128.160/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.160.160/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.160.160/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.160.160/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.192.160/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.192.160/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.192.160/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.224.160/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.224.160/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.224.160/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.240.160/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.240.160/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.240.160/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.32.160/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.32.160/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.32.160/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.64.160/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.64.160/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.64.160/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.96.160/28 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.96.160/28 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.143.96.160/28 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.212.14.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5672 10501 IGP
207.230.225.1/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.230.225.1/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.230.225.1/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.25.133.21/32 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.25.133.21/32 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.25.133.21/32 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
207.3.61.64/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 7920 IGP
207.3.61.64/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 7920 IGP
207.3.61.64/27 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 7920 IGP
207.48.62.32/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 7052 IGP
207.48.62.32/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 7052 IGP
207.48.62.32/27 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 7052 IGP
208.134.29.0/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 7920 IGP
208.134.29.0/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 7920 IGP
208.134.29.0/27 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 7920 IGP
209.45.177.0/27 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 10516 IGP
209.45.177.0/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 10516 IGP
209.45.177.0/27 at AADS from INAP.net (AS5646) ASPATH=5646 4358 6081 3561 10516 IGP
4.0.1.64/30 at Mae-East from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
4.0.1.64/30 at Mae-West from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP
4.0.1.64/30 at AADS from INAP.net (AS5646) ASPATH=5646 4358 1239 IGP

Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP

AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP

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

1. NetKonect (AS6716) at Mae-East 0 + 353857 = 353857 BGP prefix updates
2. idc (AS4694) at Mae-West 217 + 274547 = 274764 BGP prefix updates
3. GetNet (AS5784) at Mae-East 0 + 229339 = 229339 BGP prefix updates
4. USCyber (AS4136) at Mae-East 0 + 162583 = 162583 BGP prefix updates
5. Interpath (AS3407) at Mae-East 60 + 138833 = 138893 BGP prefix updates
6. SPRINT (AS1239) at Mae-East 104347 + 25538 = 129885 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 75666 + 19687 = 95353 BGP prefix updates
8. telia (AS1299) at Mae-East 26 + 91499 = 91525 BGP prefix updates
9. INAP.net (AS5646) at Mae-East 55174 + 28095 = 83269 BGP prefix updates
10. INAP.net (AS5646) at AADS 53544 + 28326 = 81870 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 165.97 (6473 ann, 39 entries)
2. INAP.net(AS5646) at Mae-East 35.30 (55174 ann, 1563 entries)
3. INAP.net(AS5646) at AADS 34.00 (53544 ann, 1575 entries)
4. INAP.net(AS5646) at Mae-West 33.69 (52525 ann, 1559 entries)
5. LinkAGE(AS4058) at Mae-West 18.00 (36 ann, 2 entries)
6. Servint(AS7960) at Mae-East 16.00 (32 ann, 2 entries)
7. IBMGlobal(AS2685) at AADS 14.66 (7873 ann, 537 entries)
8. IBMGlobal(AS2685) at Mae-East 12.89 (7838 ann, 608 entries)
9. IBMGlobal(AS2685) at Mae-West 12.60 (7525 ann, 597 entries)
10. Voicenet(AS3932) at Mae-East 12.00 (672 ann, 56 entries)
11. OLEANE(AS2917) at Mae-East 11.49 (448 ann, 39 entries)
12. WebSecure(AS6583) at Mae-East 10.50 (21 ann, 2 entries)
13. AGIS(AS4200) at Mae-East 9.68 (16702 ann, 1725 entries)
14. Nacamar(AS3257) at Mae-East 6.80 (347 ann, 51 entries)
15. WNA(AS2914) at Mae-East 6.80 (6530 ann, 960 entries)
16. Servint(AS7960) at Mae-East 6.50 (13 ann, 2 entries)
17. HLC(AS4565) at Mae-West 6.48 (434 ann, 67 entries)
18. Internex(AS2828) at Mae-East 6.08 (377 ann, 62 entries)
19. Primenet(AS3549) at Mae-East 5.95 (375 ann, 63 entries)
20. INSnet(AS5378) at Mae-East 5.95 (440 ann, 74 entries)

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

1. SPRINT (1239) at mae-east 3543
2. internetMCI (3561) at aads 596
3. BBNplanet (1) at mae-west 425
4. AGIS (4200) at mae-east 423
5. AT&T (6478) at pb 219
6. CWIX (5683) at mae-west 211
7. Grid (6113) at mae-east 167
8. IBMGlobal (2685) at aads 164
9. NASA (297) at mae-west 149
10. Digex (2548) at mae-west 145






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