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
---------------------------------------
192.168.120.0/24 at Mae-East from ISI.Net (AS6196) ASPATH=6196 INCOMPLETE
192.168.130.0/24 at Mae-East from ISI.Net (AS6196) ASPATH=6196 INCOMPLETE
192.94.212.216/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 4005 INCOMPLETE
194.149.1.173/32 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 4005 INCOMPLETE
194.207.0.128/28 at Mae-West from VBC (AS6320) ASPATH=6320 IGP
194.79.70.173/32 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 4005 INCOMPLETE
195.6.71.0/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.0/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.0/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.128/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.128/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.128/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.160/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.160/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.160/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.192/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.192/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.224/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.224/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.224/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.32/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.32/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.32/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.64/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.64/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.64/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.96/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.96/27 at Mae-West from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.96/27 at PacBell from ANS (AS1673) ASPATH=1673 1699 6712 IGP
200.244.175.1/32 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 4005 INCOMPLETE
200.30.42.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.64/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.72/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
204.59.156.4/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 4005 INCOMPLETE
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
207.26.64.80/28 at Mae-East from ANS (AS1673) ASPATH=1673 1324 IGP
209.88.14.0/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.128/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.240/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.15.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
Reserved AS Numbers
-------------------
AS64810 at Mae-East from SPRINT (AS1239) ASPATH=1239 685 4134 64810 INCOMPLETE
AS65010 at Mae-East from ANS (AS1673) ASPATH=1673
AS64930 at Mae-East from SPRINT (AS1239) ASPATH=1239 685 4134 4134 4134 64930 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 114271 + 20569 = 134840 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 60074 + 20653 = 80727 BGP prefix updates
3. internetMCI (AS3561) at PacBell 58506 + 20529 = 79035 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 58266 + 20493 = 78759 BGP prefix updates
5. Nacamar (AS3257) at Mae-East 515 + 71325 = 71840 BGP prefix updates
6. NASA (AS297) at Mae-East 584 + 49093 = 49677 BGP prefix updates
7. MainStreet (AS3720) at Mae-West 15 + 32125 = 32140 BGP prefix updates
8. AGIS (AS4200) at Mae-East 22994 + 8249 = 31243 BGP prefix updates
9. Nacamar (AS3257) at Mae-West 361 + 15222 = 15583 BGP prefix updates
10. BBNplanet (AS1) at Mae-East 11664 + 3167 = 14831 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Priori(AS10303) at Mae-East 129.60 (5443 ann, 42 entries)
2. Priori(AS10303) at Paix 43.55 (1829 ann, 42 entries)
3. AIMnet(AS3763) at Mae-West 16.39 (836 ann, 51 entries)
4. highway1(AS7922) at Mae-East 14.25 (114 ann, 8 entries)
5. highway1(AS7922) at Mae-West 13.88 (111 ann, 8 entries)
6. AGIS(AS4200) at Mae-East 12.33 (22994 ann, 1865 entries)
7. DISC(AS7170) at Mae-East 12.27 (1387 ann, 113 entries)
8. VisiNet(AS6261) at Mae-East 10.21 (919 ann, 90 entries)
9. Cableol(AS5089) at Mae-East 9.25 (37 ann, 4 entries)
10. OurWorld(AS7594) at Mae-West 8.89 (2259 ann, 254 entries)
11. INSnet(AS5378) at Mae-East 8.80 (519 ann, 59 entries)
12. Nacamar(AS3257) at Mae-East 8.44 (515 ann, 61 entries)
13. OLEANE(AS2917) at Mae-East 8.31 (349 ann, 42 entries)
14. DREN(AS668) at Mae-East 7.80 (1717 ann, 220 entries)
15. DREN(AS668) at Mae-West 7.64 (1727 ann, 226 entries)
16. EXODUS(AS3967) at PacBell 7.11 (853 ann, 120 entries)
17. IPF(AS5409) at Mae-East 7.03 (253 ann, 36 entries)
18. internetMCI(AS3561) at AADS 6.45 (114271 ann, 17728 entries)
19. Above(AS6461) at Mae-East 6.25 (1019 ann, 163 entries)
20. EXODUS(AS3967) at Mae-East 6.06 (424 ann, 70 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3851
2. internetMCI (3561) at mae-east 850
3. BBNplanet (1) at mae-east 408
4. Priori (10303) at mae-west 390
5. AGIS (4200) at mae-east 363
6. Grid (6113) at mae-east 302
7. IBMGlobal (2685) at mae-west 246
8. Digex (2548) at mae-west 206
9. AT&T (6478) at aads 167
10. INAP.net (5646) at aads 146
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT