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
---------------------------------------
165.212.200.16/28 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
165.212.200.80/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.200.80/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.0/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.0/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.0/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.16/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.16/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.32/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
165.212.43.32/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
165.212.43.32/28 at Mae-West from ACSI (AS6467) ASPATH=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
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
195.12.164.224/28 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
195.89.17.81/32 at Mae-East from NetAxs (AS4969) ASPATH=4969 8001 6889 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
205.214.79.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.79.16/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.79.16/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.79.48/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.79.48/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.79.48/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.88.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.88.16/28 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.88.16/28 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.94.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.94.32/27 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.94.32/27 at Mae-West from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.94.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6467 2941 INCOMPLETE
205.214.94.64/27 at Mae-East from ACSI (AS6467) ASPATH=6467 2941 INCOMPLETE
205.214.94.64/27 at Mae-West from ACSI (AS6467) ASPATH=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
Reserved AS Numbers
-------------------
AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65534 at Mae-East from ANS (AS1673) ASPATH=1673 1324 65534 IGP
AS65534 at Mae-West from ANS (AS1673) ASPATH=1673 1324 65534 IGP
AS65000 at AADS from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65000 at PacBell from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65534 at PacBell from ANS (AS1673) ASPATH=1673 1324 65534 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 71299 + 20844 = 92143 BGP prefix updates
2. internetMCI (AS3561) at PacBell 46607 + 18057 = 64664 BGP prefix updates
3. internetMCI (AS3561) at Mae-East 42932 + 18724 = 61656 BGP prefix updates
4. internetMCI (AS3561) at AADS 42920 + 18578 = 61498 BGP prefix updates
5. MainStreet (AS3720) at Mae-West 22 + 41849 = 41871 BGP prefix updates
6. Nacamar (AS3257) at Mae-West 482 + 16695 = 17177 BGP prefix updates
7. ANS (AS1673) at Mae-East 11731 + 1706 = 13437 BGP prefix updates
8. BBNplanet (AS1) at Mae-East 6919 + 3868 = 10787 BGP prefix updates
9. OurWorld (AS7594) at Mae-West 9879 + 44 = 9923 BGP prefix updates
10. BBNplanet (AS1) at Mae-West 6225 + 3521 = 9746 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 Mae-West 13.33 (3187 ann, 239 entries)
2. AIMnet(AS3763) at Mae-West 8.62 (457 ann, 53 entries)
3. u-net(AS5669) at Mae-West 8.40 (84 ann, 10 entries)
4. VisiNet(AS6261) at Mae-West 7.13 (1548 ann, 217 entries)
5. VisiNet(AS6261) at Mae-East 5.90 (1293 ann, 219 entries)
6. ICI(AS6561) at Mae-West 5.87 (88 ann, 15 entries)
7. GEOnet(AS3356) at PacBell 4.72 (463 ann, 98 entries)
8. AGIS(AS4200) at Mae-East 4.33 (9178 ann, 2119 entries)
9. OurWorld(AS7594) at Paix 3.81 (911 ann, 239 entries)
10. LinkAGE(AS4058) at Mae-West 3.37 (101 ann, 30 entries)
11. Nacamar(AS3257) at Mae-East 3.25 (260 ann, 80 entries)
12. ANS(AS1673) at Mae-East 2.94 (4644 ann, 1581 entries)
13. Interpath(AS3407) at Mae-East 2.87 (89 ann, 31 entries)
14. Home(AS6172) at Mae-East 2.56 (205 ann, 80 entries)
15. ANS(AS1673) at PacBell 2.56 (3186 ann, 1245 entries)
16. Nacamar(AS3257) at Mae-West 2.25 (180 ann, 80 entries)
17. DREN(AS668) at Mae-East 2.04 (547 ann, 268 entries)
18. DREN(AS668) at Mae-West 2.04 (554 ann, 272 entries)
19. u-net(AS5669) at Paix 1.90 (19 ann, 10 entries)
20. Home(AS6172) at Mae-West 1.77 (142 ann, 80 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 4061
2. internetMCI (3561) at pb 757
3. BBNplanet (1) at mae-west 466
4. AGIS (4200) at mae-east 415
5. IBMGlobal (2685) at mae-west 354
6. Digex (2548) at mae-west 352
7. AT&T (7018) at aads 255
8. INAP.net (5646) at aads 206
9. DREN (668) at mae-east 167
10. CAIS (3491) at aads 164
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT