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
---------------------------------------
165.212.20.16/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.20.24/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.20.8/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.200.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.200.32/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.200.80/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.0/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.32/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
192.245.161.47/32 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
192.245.161.47/32 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
193.234.249.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
195.12.164.128/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.144/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.160/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.192/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
195.12.164.248/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 8516 INCOMPLETE
198.80.116.192/27 at Mae-East 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
205.214.73.8/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 IGP
205.214.79.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.79.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.88.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.94.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.94.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
206.141.223.224/27 at AADS from AIS (AS6081) ASPATH=6081 7053 7053 7053 7053 IGP
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
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
209.88.14.192/28 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
209.88.14.32/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.64/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.96/28 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
209.88.15.96/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
Reserved AS Numbers
-------------------
AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65350 at Mae-East from VisiNet (AS6261) ASPATH=6261 7594 7593 7704 65350 7586 IGP
AS65350 at Mae-West from VisiNet (AS6261) ASPATH=6261 7594 7593 7704 65350 7586 IGP
AS65000 at AADS from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65350 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 7593 7704 65350 7586 IGP
AS65000 at PacBell from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65350 at Paix from OurWorld (AS7594) ASPATH=7594 7593 7704 65350 7586 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 163671 + 43761 = 207432 BGP prefix updates
2. internetMCI (AS3561) at AADS 76893 + 14213 = 91106 BGP prefix updates
3. internetMCI (AS3561) at Mae-East 49735 + 13932 = 63667 BGP prefix updates
4. internetMCI (AS3561) at PacBell 32213 + 12590 = 44803 BGP prefix updates
5. MainStreet (AS3720) at Mae-West 0 + 36735 = 36735 BGP prefix updates
6. VisiNet (AS6261) at Mae-West 9684 + 2169 = 11853 BGP prefix updates
7. OurWorld (AS7594) at Mae-West 11703 + 37 = 11740 BGP prefix updates
8. ANS (AS1673) at Mae-East 10835 + 328 = 11163 BGP prefix updates
9. VisiNet (AS6261) at Mae-East 8562 + 2032 = 10594 BGP prefix updates
10. HLC (AS4565) at PacBell 0 + 9159 = 9159 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. OurWorld(AS7594) at Paix 376.50 (753 ann, 2 entries)
2. Priori(AS10303) at Paix 25.67 (77 ann, 3 entries)
3. OurWorld(AS7594) at Mae-West 11.92 (2801 ann, 235 entries)
4. VisiNet(AS6261) at Mae-West 9.80 (2186 ann, 223 entries)
5. AIMnet(AS3763) at Mae-West 8.79 (457 ann, 52 entries)
6. VisiNet(AS6261) at Mae-East 8.35 (1863 ann, 223 entries)
7. ESnet(AS293) at AADS 6.77 (1456 ann, 215 entries)
8. ESnet(AS293) at Mae-East 6.75 (1452 ann, 215 entries)
9. ESnet(AS293) at Mae-West 6.71 (1442 ann, 215 entries)
10. ICI(AS6561) at Mae-West 6.00 (24 ann, 4 entries)
11. Priori(AS10303) at Mae-West 5.73 (281 ann, 49 entries)
12. Priori(AS10303) at Mae-East 4.88 (239 ann, 49 entries)
13. IBMGlobal(AS2685) at AADS 4.09 (180 ann, 44 entries)
14. GEOnet(AS3356) at PacBell 3.49 (356 ann, 102 entries)
15. Nacamar(AS3257) at Mae-East 2.31 (178 ann, 77 entries)
16. DREN(AS668) at Mae-East 2.13 (555 ann, 261 entries)
17. DREN(AS668) at Mae-West 2.08 (545 ann, 262 entries)
18. ANS(AS1673) at Mae-East 1.96 (3434 ann, 1754 entries)
19. VBC(AS6320) at Mae-West 1.81 (38 ann, 21 entries)
20. ACSI(AS6467) at Mae-East 1.76 (596 ann, 339 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 4168
2. internetMCI (3561) at aads 798
3. BBNplanet (1) at mae-west 482
4. Digex (2548) at mae-west 399
5. AGIS (4200) at mae-east 364
6. IBMGlobal (2685) at mae-west 266
7. AT&T (7018) at aads 265
8. INAP.net (5646) at aads 217
9. Grid (6113) at pb 204
10. DREN (668) at mae-east 156
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT