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
http://www.merit.net/mail.archives/html/routing-problems/
Also see http://www.caida.org for more information about Internet statistics
collection research efforts.
Reserved Network and Host Announcements
---------------------------------------
192.17.238.128/27 at AADS from UIUC (AS38) ASPATH=38 IGP
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
195.6.71.128/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.160/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.224/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.32/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.64/27 at Mae-East from ANS (AS1673) ASPATH=1673 1699 6712 IGP
195.6.71.96/27 at Mae-East 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 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
-------------------
AS64600 at Mae-East from NASA (AS297) ASPATH=297 64600 IGP
AS64600 at Mae-West from NASA (AS297) ASPATH=297 64600 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 120597 + 19934 = 140531 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 82967 + 27377 = 110344 BGP prefix updates
3. internetMCI (AS3561) at PacBell 44797 + 19975 = 64772 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 43415 + 19400 = 62815 BGP prefix updates
5. AT&T (AS6478) at Mae-East 58211 + 864 = 59075 BGP prefix updates
6. WireHub (AS5496) at Mae-East 155 + 50010 = 50165 BGP prefix updates
7. AGIS (AS4200) at Mae-East 32454 + 7415 = 39869 BGP prefix updates
8. BBNplanet (AS1) at Mae-East 27030 + 4913 = 31943 BGP prefix updates
9. MainStreet (AS3720) at Mae-West 0 + 29755 = 29755 BGP prefix updates
10. ANS (AS1673) at Mae-East 14994 + 1006 = 16000 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. IBMGlobal(AS2685) at AADS 106.60 (2132 ann, 20 entries)
2. Cableol(AS5089) at Mae-East 34.00 (102 ann, 3 entries)
3. Nacamar(AS3257) at Mae-West 33.08 (2514 ann, 76 entries)
4. AT&T(AS6478) at Mae-East 22.70 (58211 ann, 2564 entries)
5. AIMnet(AS3763) at Mae-West 17.90 (931 ann, 52 entries)
6. AGIS(AS4200) at Mae-East 16.47 (32454 ann, 1970 entries)
7. highway1(AS7922) at Mae-West 14.00 (112 ann, 8 entries)
8. highway1(AS7922) at Mae-East 13.62 (109 ann, 8 entries)
9. WireHub(AS5496) at Mae-East 11.07 (155 ann, 14 entries)
10. IPF(AS5409) at Mae-East 10.91 (382 ann, 35 entries)
11. Digex(AS2548) at Mae-East 9.75 (9287 ann, 953 entries)
12. ANS(AS1673) at Mae-East 9.61 (14994 ann, 1560 entries)
13. NetAxs(AS4969) at Mae-East 9.59 (1890 ann, 197 entries)
14. IXI(AS5418) at Mae-East 8.00 (112 ann, 14 entries)
15. OurWorld(AS7594) at Mae-West 7.65 (1240 ann, 162 entries)
16. Digex(AS2548) at Mae-West 7.48 (6994 ann, 935 entries)
17. internetMCI(AS3561) at AADS 6.72 (120597 ann, 17945 entries)
18. Above(AS6461) at PacBell 6.35 (1618 ann, 255 entries)
19. Megsinet(AS7194) at AADS 6.11 (116 ann, 19 entries)
20. VisiNet(AS6261) at Mae-West 6.01 (1123 ann, 187 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3972
2. internetMCI (3561) at pb 812
3. BBNplanet (1) at mae-west 400
4. AGIS (4200) at mae-east 385
5. Grid (6113) at pb 330
6. IBMGlobal (2685) at mae-west 286
7. Digex (2548) at mae-west 210
8. AT&T (6478) at pb 189
9. CAIS (3491) at aads 147
10. INAP.net (5646) at aads 133
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT