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-West from ANS (AS1673) ASPATH=1673 1675 IGP
207.26.64.80/28 at PacBell from ANS (AS1673) ASPATH=1673 1675 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. SPRINT (AS1239) at Mae-East 96337 + 17856 = 114193 BGP prefix updates
2. internetMCI (AS3561) at AADS 71244 + 18380 = 89624 BGP prefix updates
3. internetMCI (AS3561) at PacBell 41284 + 14815 = 56099 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 38885 + 14864 = 53749 BGP prefix updates
5. NASA (AS297) at Mae-East 751 + 48754 = 49505 BGP prefix updates
6. MainStreet (AS3720) at Mae-West 93 + 31956 = 32049 BGP prefix updates
7. AT&T (AS6478) at AADS 24168 + 2949 = 27117 BGP prefix updates
8. AT&T (AS6478) at PacBell 21870 + 3685 = 25555 BGP prefix updates
9. Grid (AS6113) at Mae-East 13470 + 9322 = 22792 BGP prefix updates
10. Grid (AS6113) at Mae-West 11573 + 7712 = 19285 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. AIMnet(AS3763) at Mae-West 19.04 (971 ann, 51 entries)
2. Cableol(AS5089) at Mae-East 18.00 (72 ann, 4 entries)
3. DREN(AS668) at Mae-West 12.97 (2582 ann, 199 entries)
4. OLEANE(AS2917) at Mae-East 11.98 (503 ann, 42 entries)
5. highway1(AS7922) at Mae-West 11.00 (88 ann, 8 entries)
6. IPF(AS5409) at Mae-East 10.64 (383 ann, 36 entries)
7. AT&T(AS6478) at AADS 10.06 (24168 ann, 2402 entries)
8. Grid(AS6113) at Mae-East 9.76 (13470 ann, 1380 entries)
9. Above(AS6461) at Mae-East 9.27 (2039 ann, 220 entries)
10. highway1(AS7922) at Mae-East 9.12 (73 ann, 8 entries)
11. AT&T(AS6478) at PacBell 9.10 (21870 ann, 2402 entries)
12. Grid(AS6113) at PacBell 8.50 (10375 ann, 1220 entries)
13. ThePlanet(AS5388) at Mae-West 8.49 (679 ann, 80 entries)
14. DREN(AS668) at Mae-East 8.27 (1630 ann, 197 entries)
15. AGIS(AS4200) at Mae-East 7.48 (13776 ann, 1842 entries)
16. Nacamar(AS3257) at Mae-East 6.50 (104 ann, 16 entries)
17. Grid(AS6113) at Mae-West 6.29 (15026 ann, 2390 entries)
18. WNA(AS2914) at Mae-East 6.09 (7592 ann, 1246 entries)
19. VisiNet(AS6261) at Mae-East 5.96 (900 ann, 151 entries)
20. AT&T(AS6478) at Mae-West 5.10 (12232 ann, 2400 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3920
2. internetMCI (3561) at aads 881
3. AGIS (4200) at mae-east 384
4. BBNplanet (1) at mae-west 367
5. IBMGlobal (2685) at mae-west 265
6. Grid (6113) at mae-east 260
7. Digex (2548) at mae-west 207
8. AT&T (6478) at aads 169
9. CAIS (3491) at mae-west 152
10. INAP.net (5646) at mae-west 146
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT