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
---------------------------------------
165.212.199.64/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.199.64/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.199.64/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
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
165.212.200.16/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.200.16/28 at Mae-West from ACSI (AS6467) ASPATH=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
165.212.43.48/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.48/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
192.17.238.128/27 at AADS from UIUC (AS38) ASPATH=38 IGP
192.245.161.47/32 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
193.234.249.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
194.117.170.240/28 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
195.196.29.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
195.196.29.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
195.196.37.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
195.196.37.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
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
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
206.185.10.249/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.149.30/32 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
207.26.64.80/28 at PacBell from ANS (AS1673) ASPATH=1673 1675 IGP
Reserved AS Numbers
-------------------
AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 77022 + 16208 = 93230 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 51791 + 12856 = 64647 BGP prefix updates
3. internetMCI (AS3561) at Mae-East 47959 + 15812 = 63771 BGP prefix updates
4. internetMCI (AS3561) at PacBell 31037 + 15702 = 46739 BGP prefix updates
5. MainStreet (AS3720) at Mae-West 2 + 31382 = 31384 BGP prefix updates
6. BBNplanet (AS1) at Mae-West 14073 + 9132 = 23205 BGP prefix updates
7. ANS (AS1673) at Mae-East 17500 + 2231 = 19731 BGP prefix updates
8. BBNplanet (AS1) at Mae-East 10149 + 5992 = 16141 BGP prefix updates
9. AT&T (AS7018) at Mae-East 9208 + 2802 = 12010 BGP prefix updates
10. AT&T (AS7018) at Mae-West 9130 + 2801 = 11931 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 466.50 (933 ann, 2 entries)
2. Cableol(AS5089) at Mae-East 13.20 (66 ann, 5 entries)
3. OurWorld(AS7594) at Mae-West 12.78 (3181 ann, 249 entries)
4. AIMnet(AS3763) at Mae-West 9.15 (485 ann, 53 entries)
5. VisiNet(AS6261) at Mae-West 7.24 (1579 ann, 218 entries)
6. AT&T(AS7018) at AADS 6.37 (24031 ann, 3772 entries)
7. VisiNet(AS6261) at Mae-East 5.87 (1285 ann, 219 entries)
8. u-net(AS5669) at Mae-West 5.60 (56 ann, 10 entries)
9. Above(AS6461) at Paix 4.66 (270 ann, 58 entries)
10. AT&T(AS7018) at Mae-East 4.65 (17597 ann, 3781 entries)
11. AT&T(AS7018) at PacBell 4.56 (17218 ann, 3773 entries)
12. AT&T(AS7018) at Mae-West 4.27 (16091 ann, 3768 entries)
13. Above(AS6461) at PacBell 3.24 (1135 ann, 350 entries)
14. Above(AS6461) at AADS 3.11 (1090 ann, 350 entries)
15. GEOnet(AS3356) at PacBell 2.81 (287 ann, 102 entries)
16. Above(AS6461) at Mae-East 2.05 (722 ann, 353 entries)
17. u-net(AS5669) at Paix 2.00 (20 ann, 10 entries)
18. ANS(AS1673) at Mae-East 1.79 (3037 ann, 1699 entries)
19. Above(AS6461) at Mae-West 1.42 (1001 ann, 703 entries)
20. Above(AS6461) at Mae-West 1.41 (994 ann, 703 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. internetMCI (3561) at pb 743
2. BBNplanet (1) at mae-west 510
3. Digex (2548) at mae-west 366
4. IBMGlobal (2685) at mae-west 348
5. AT&T (7018) at aads 260
6. INAP.net (5646) at aads 204
7. Grid (6113) at pb 165
8. CAIS (3491) at aads 161
9. NASA (297) at mae-west 137
10. DREN (668) at mae-west 133
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT