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
---------------------------------------
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.222.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
194.64.0.16/30 at Mae-West from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
194.64.0.8/30 at Mae-West from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
195.180.1.130/32 at Mae-West from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
195.180.2.48/28 at Mae-West from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
195.204.43.32/27 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 5381 IGP
198.60.153.49/32 at Mae-East from GoodNet (AS5696) ASPATH=5696 Incomplete
206.80.170.204/30 at Mae-East from Grid (AS6113) ASPATH=6113 IGP
207.212.14.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5672 10501 IGP
Reserved AS Numbers
-------------------
AS64514 at Mae-East from internetMCI (AS3561) ASPATH=3561 8342 2118 64514 Incomplete
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
AS64517 at Mae-East from internetMCI (AS3561) ASPATH=3561 8342 2118 64517 IGP
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
AS64514 at AADS from internetMCI (AS3561) ASPATH=3561 8342 2118 64514 Incomplete
AS64517 at AADS from internetMCI (AS3561) ASPATH=3561 8342 2118 64517 IGP
AS64514 at PacBell from internetMCI (AS3561) ASPATH=3561 8342 2118 64514 Incomplete
AS64517 at PacBell from internetMCI (AS3561) ASPATH=3561 8342 2118 64517 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NetKonect (AS6716) at Mae-East 2 + 356995 = 356997 BGP prefix updates
2. GetNet (AS5784) at Mae-East 0 + 259644 = 259644 BGP prefix updates
3. idc (AS4694) at Mae-West 106 + 225153 = 225259 BGP prefix updates
4. SPRINT (AS1239) at Mae-East 175151 + 25772 = 200923 BGP prefix updates
5. USCyber (AS4136) at Mae-East 0 + 190191 = 190191 BGP prefix updates
6. Interpath (AS3407) at Mae-East 163 + 143742 = 143905 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 96483 + 22914 = 119397 BGP prefix updates
8. internetMCI (AS3561) at AADS 72983 + 33689 = 106672 BGP prefix updates
9. internetMCI (AS3561) at PacBell 56964 + 21748 = 78712 BGP prefix updates
10. telia (AS1299) at Mae-East 641 + 74726 = 75367 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. NetAxs(AS4969) at Mae-East 125.52 (6025 ann, 48 entries)
2. Primenet(AS3549) at AADS 39.75 (159 ann, 4 entries)
3. Nacamar(AS3257) at Mae-West 35.80 (1611 ann, 45 entries)
4. Iconnet(AS3951) at AADS 35.50 (142 ann, 4 entries)
5. Nacamar(AS3257) at Mae-East 32.73 (1702 ann, 52 entries)
6. Cableol(AS5089) at Mae-East 13.50 (27 ann, 2 entries)
7. AT&T(AS6478) at Mae-East 10.62 (17163 ann, 1616 entries)
8. AT&T(AS6478) at Mae-West 10.11 (16343 ann, 1617 entries)
9. Netcom(AS2551) at Mae-East 10.02 (3315 ann, 331 entries)
10. SPRINT(AS1239) at Mae-East 8.69 (175151 ann, 20157 entries)
11. Internex(AS2828) at Mae-East 8.63 (509 ann, 59 entries)
12. Primenet(AS3549) at Mae-East 8.61 (525 ann, 61 entries)
13. HLC(AS4565) at Mae-East 8.47 (559 ann, 66 entries)
14. Intermedia(AS6235) at Mae-East 8.38 (1717 ann, 205 entries)
15. Dialnet(AS5552) at Mae-East 8.28 (596 ann, 72 entries)
16. EXODUS(AS3967) at Mae-East 7.91 (538 ann, 68 entries)
17. HLC(AS4565) at Mae-West 7.45 (492 ann, 66 entries)
18. Internex(AS2828) at AADS 6.46 (381 ann, 59 entries)
19. ThePlanet(AS5388) at Mae-West 6.40 (192 ann, 30 entries)
20. EUnet(AS286) at Mae-East 6.32 (7371 ann, 1167 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3634
2. internetMCI (3561) at pb 717
3. AGIS (4200) at mae-east 471
4. BBNplanet (1) at mae-west 372
5. AT&T (6478) at mae-west 257
6. CWIX (5683) at mae-east 195
7. Grid (6113) at mae-east 173
8. Digex (2548) at mae-west 169
9. EUnet (286) at mae-east 142
10. CAIS (3491) at mae-west 134
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:16 EDT