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
---------------------------------------
195.14.168.72/30 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 8486 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
198.80.116.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.116.192/27 at Mae-West from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.116.192/27 at PacBell from ANS (AS1673) ASPATH=1673 1670 IGP
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
200.30.42.80/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
202.163.0.224/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 7589 IGP
202.163.0.52/30 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 7589 INCOMPLETE
202.163.4.0/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 7589 INCOMPLETE
202.163.4.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 7589 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
207.26.64.80/28 at Mae-West 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
-------------------
AS65010 at Mae-East from ANS (AS1673) ASPATH=1673
AS65010 at Mae-West from ANS (AS1673) ASPATH=1673 2056 65010 10593 IGP
AS65010 at PacBell from ANS (AS1673) ASPATH=1673
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 136125 + 29175 = 165300 BGP prefix updates
2. internetMCI (AS3561) at AADS 131910 + 13110 = 145020 BGP prefix updates
3. internetMCI (AS3561) at PacBell 74103 + 37160 = 111263 BGP prefix updates
4. OurWorld (AS7594) at Mae-West 1797 + 98951 = 100748 BGP prefix updates
5. AGIS (AS4200) at Mae-East 49903 + 1382 = 51285 BGP prefix updates
6. internetMCI (AS3561) at Mae-East 36829 + 13356 = 50185 BGP prefix updates
7. NASA (AS297) at Mae-East 539 + 49357 = 49896 BGP prefix updates
8. MainStreet (AS3720) at Mae-West 0 + 30772 = 30772 BGP prefix updates
9. ANS (AS1673) at Mae-East 22936 + 418 = 23354 BGP prefix updates
10. AT&T (AS6478) at Mae-West 18824 + 1665 = 20489 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. AI(AS6405) at Mae-East 131.00 (262 ann, 2 entries)
2. AGIS(AS4200) at Mae-East 26.76 (49903 ann, 1865 entries)
3. ICI(AS6561) at Mae-West 24.25 (97 ann, 4 entries)
4. Cableol(AS5089) at Mae-East 22.00 (88 ann, 4 entries)
5. AIMnet(AS3763) at Mae-West 17.62 (916 ann, 52 entries)
6. IPF(AS5409) at Mae-East 16.37 (573 ann, 35 entries)
7. highway1(AS7922) at Mae-West 14.88 (119 ann, 8 entries)
8. ANS(AS1673) at Mae-East 14.10 (22936 ann, 1627 entries)
9. highway1(AS7922) at Mae-East 13.75 (110 ann, 8 entries)
10. NASA(AS297) at Mae-West 12.61 (7844 ann, 622 entries)
11. CableInet(AS5462) at Mae-East 11.87 (356 ann, 30 entries)
12. OurWorld(AS7594) at Mae-West 10.63 (1797 ann, 169 entries)
13. Nacamar(AS3257) at Mae-West 8.91 (597 ann, 67 entries)
14. CableInet(AS5462) at Mae-West 8.53 (256 ann, 30 entries)
15. Nacamar(AS3257) at Mae-East 8.22 (551 ann, 67 entries)
16. AT&T(AS6478) at Mae-West 7.45 (18824 ann, 2526 entries)
17. internetMCI(AS3561) at AADS 7.39 (131910 ann, 17839 entries)
18. VisiNet(AS6261) at Mae-East 7.34 (345 ann, 47 entries)
19. IBMGlobal(AS2685) at AADS 6.92 (1931 ann, 279 entries)
20. EUnet(AS286) at Mae-East 6.73 (5985 ann, 889 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 4084
2. internetMCI (3561) at pb 835
3. BBNplanet (1) at mae-west 409
4. AGIS (4200) at mae-east 382
5. Grid (6113) at pb 297
6. IBMGlobal (2685) at mae-west 242
7. Digex (2548) at mae-west 226
8. AT&T (6478) at pb 193
9. CAIS (3491) at aads 151
10. INAP.net (5646) at mae-west 150
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT