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
---------------------------------------
194.250.214.224/28 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.12.164.128/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
195.12.164.144/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
195.12.164.248/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
195.12.165.0/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
207.26.64.80/28 at Mae-East from ANS (AS1673) ASPATH=1673 1324 IGP
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
AS65010 at Mae-West from NASA (AS297) ASPATH=297 65010 IGP
AS65010 at PacBell from ANS (AS1673) ASPATH=1673
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NASA (AS297) at Mae-East 1263 + 194834 = 196097 BGP prefix updates
2. internetMCI (AS3561) at Mae-East 91302 + 24487 = 115789 BGP prefix updates
3. SPRINT (AS1239) at Mae-East 81009 + 25149 = 106158 BGP prefix updates
4. internetMCI (AS3561) at PacBell 75771 + 29793 = 105564 BGP prefix updates
5. internetMCI (AS3561) at AADS 70027 + 22465 = 92492 BGP prefix updates
6. MainStreet (AS3720) at Mae-West 18 + 81043 = 81061 BGP prefix updates
7. AGIS (AS4200) at Mae-East 30309 + 20520 = 50829 BGP prefix updates
8. OurWorld (AS7594) at Mae-West 1655 + 45163 = 46818 BGP prefix updates
9. WNA (AS2914) at Mae-East 21540 + 8253 = 29793 BGP prefix updates
10. WNA (AS2914) at Mae-West 22313 + 6750 = 29063 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Cableol(AS5089) at Mae-East 26.25 (105 ann, 4 entries)
2. AIMnet(AS3763) at Mae-West 20.78 (1060 ann, 51 entries)
3. WNA(AS2914) at Mae-East 17.54 (21540 ann, 1228 entries)
4. AGIS(AS4200) at Mae-East 16.40 (30309 ann, 1848 entries)
5. highway1(AS7922) at Mae-West 15.12 (121 ann, 8 entries)
6. highway1(AS7922) at Mae-East 14.62 (117 ann, 8 entries)
7. NetAxs(AS4969) at Mae-East 13.68 (2694 ann, 197 entries)
8. u-net(AS5669) at Mae-West 13.38 (107 ann, 8 entries)
9. WNA(AS2914) at Mae-West 9.06 (22313 ann, 2464 entries)
10. EUnet(AS286) at Mae-East 8.58 (7486 ann, 872 entries)
11. WNA(AS2914) at Mae-West 8.47 (20880 ann, 2464 entries)
12. Iconnet(AS3951) at Mae-West 8.08 (1180 ann, 146 entries)
13. DISC(AS7170) at Mae-East 7.25 (819 ann, 113 entries)
14. DREN(AS668) at Mae-West 6.78 (1525 ann, 225 entries)
15. DREN(AS668) at Mae-East 6.70 (1501 ann, 224 entries)
16. HLC(AS4565) at Mae-West 6.66 (473 ann, 71 entries)
17. Intermedia(AS6235) at Mae-East 6.59 (1397 ann, 212 entries)
18. CWIX(AS5683) at Mae-West 6.45 (9457 ann, 1466 entries)
19. OurWorld(AS7594) at Mae-West 6.39 (1655 ann, 259 entries)
20. CWIX(AS5683) at Mae-West 6.35 (9314 ann, 1466 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3792
2. internetMCI (3561) at pb 909
3. AGIS (4200) at mae-east 384
4. BBNplanet (1) at mae-east 365
5. IBMGlobal (2685) at mae-west 273
6. Grid (6113) at pb 208
7. Digex (2548) at mae-west 188
8. AT&T (6478) at aads 157
9. INAP.net (5646) at aads 151
10. CAIS (3491) at aads 129
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT