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
---------------------------------------
194.207.0.128/28 at Mae-West from VBC (AS6320) ASPATH=6320 IGP
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
207.26.64.80/28 at Mae-East from ANS (AS1673) ASPATH=1673 1324 IGP
207.26.64.80/28 at Mae-West from ANS (AS1673) ASPATH=1673 1675 IGP
Reserved AS Numbers
-------------------
AS64810 at Mae-East from SPRINT (AS1239) ASPATH=1239 685 4134 64810 INCOMPLETE
AS65010 at Mae-East from NASA (AS297) ASPATH=297 65010 IGP
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 1307 + 146665 = 147972 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 122635 + 21357 = 143992 BGP prefix updates
3. MainStreet (AS3720) at Mae-West 42 + 71848 = 71890 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 57037 + 8665 = 65702 BGP prefix updates
5. internetMCI (AS3561) at PacBell 33457 + 15358 = 48815 BGP prefix updates
6. internetMCI (AS3561) at AADS 27496 + 10437 = 37933 BGP prefix updates
7. AT&T (AS6478) at Mae-East 22535 + 654 = 23189 BGP prefix updates
8. AGIS (AS4200) at Mae-East 11719 + 9085 = 20804 BGP prefix updates
9. BBNplanet (AS1) at Mae-East 12873 + 2173 = 15046 BGP prefix updates
10. WNA (AS2914) at Mae-East 8351 + 3513 = 11864 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. conxion(AS4544) at Mae-East 41.67 (125 ann, 3 entries)
2. conxion(AS4544) at PacBell 40.67 (122 ann, 3 entries)
3. conxion(AS4544) at AADS 40.67 (122 ann, 3 entries)
4. Cableol(AS5089) at Mae-East 34.00 (136 ann, 4 entries)
5. conxion(AS4544) at Mae-West 20.50 (123 ann, 6 entries)
6. AIMnet(AS3763) at Mae-West 18.75 (956 ann, 51 entries)
7. conxion(AS4544) at Mae-West 17.50 (105 ann, 6 entries)
8. highway1(AS7922) at Mae-West 14.00 (112 ann, 8 entries)
9. highway1(AS7922) at Mae-East 13.25 (106 ann, 8 entries)
10. IBMGlobal(AS2685) at AADS 11.17 (1418 ann, 127 entries)
11. AT&T(AS6478) at Mae-East 9.50 (22535 ann, 2373 entries)
12. NetAxs(AS4969) at Mae-East 8.48 (1696 ann, 200 entries)
13. OurWorld(AS7594) at Mae-West 8.09 (1893 ann, 234 entries)
14. HLC(AS4565) at Mae-West 7.06 (508 ann, 72 entries)
15. WNA(AS2914) at Mae-East 6.82 (8351 ann, 1225 entries)
16. DREN(AS668) at Mae-East 6.80 (1551 ann, 228 entries)
17. DREN(AS668) at Mae-West 6.48 (1491 ann, 230 entries)
18. AGIS(AS4200) at Mae-East 6.36 (11719 ann, 1842 entries)
19. HLC(AS4565) at AADS 5.90 (425 ann, 72 entries)
20. HLC(AS4565) at Mae-East 5.86 (422 ann, 72 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3887
2. internetMCI (3561) at pb 932
3. BBNplanet (1) at mae-west 408
4. AGIS (4200) at mae-east 321
5. IBMGlobal (2685) at mae-west 255
6. Grid (6113) at pb 210
7. Digex (2548) at mae-west 188
8. AT&T (6478) at pb 166
9. NASA (297) at mae-west 152
10. INAP.net (5646) at aads 149
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT