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
206.80.170.204/30 at Mae-East from Grid (AS6113) ASPATH=6113 IGP
206.80.170.204/30 at Mae-West from Grid (AS6113) ASPATH=6113 IGP
206.80.170.204/30 at PacBell from Grid (AS6113) ASPATH=6113 IGP
207.212.14.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5672 10501 IGP
24.48.21.0/28 at Mae-West from ANS (AS1673) ASPATH=1673 1333 Incomplete
24.48.22.64/28 at Mae-West from ANS (AS1673) ASPATH=1673 1333 Incomplete
24.48.24.0/28 at Mae-West from ANS (AS1673) ASPATH=1673 1333 Incomplete
24.48.26.0/28 at Mae-West from ANS (AS1673) ASPATH=1673 1333 Incomplete
Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NetKonect (AS6716) at Mae-East 0 + 474428 = 474428 BGP prefix updates
2. GetNet (AS5784) at Mae-East 0 + 217063 = 217063 BGP prefix updates
3. USCyber (AS4136) at Mae-East 1 + 205252 = 205253 BGP prefix updates
4. ACSI (AS6467) at Mae-East 115908 + 81646 = 197554 BGP prefix updates
5. idc (AS4694) at Mae-West 74 + 197210 = 197284 BGP prefix updates
6. SPRINT (AS1239) at Mae-East 163280 + 24081 = 187361 BGP prefix updates
7. Interpath (AS3407) at Mae-East 195 + 148746 = 148941 BGP prefix updates
8. ACSI (AS6467) at Mae-West 68146 + 54217 = 122363 BGP prefix updates
9. internetMCI (AS3561) at Mae-East 81204 + 11817 = 93021 BGP prefix updates
10. telia (AS1299) at Mae-East 26 + 62275 = 62301 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 116.90 (5728 ann, 49 entries)
2. HLC(AS4565) at Mae-West 34.20 (2257 ann, 66 entries)
3. HLC(AS4565) at Mae-East 30.36 (2004 ann, 66 entries)
4. HLC(AS4565) at AADS 23.42 (1569 ann, 67 entries)
5. Nacamar(AS3257) at Mae-West 13.17 (606 ann, 46 entries)
6. GoodNet(AS5696) at AADS 13.13 (5605 ann, 427 entries)
7. AGIS(AS4200) at Mae-East 12.48 (27267 ann, 2185 entries)
8. Nacamar(AS3257) at Mae-East 11.09 (588 ann, 53 entries)
9. HLC(AS4565) at Paix 9.58 (642 ann, 67 entries)
10. onecall(AS6402) at AADS 8.97 (341 ann, 38 entries)
11. SPRINT(AS1239) at Mae-East 8.29 (163280 ann, 19703 entries)
12. Voicenet(AS3932) at Mae-East 8.04 (442 ann, 55 entries)
13. ISI.Net(AS6196) at Mae-East 7.63 (534 ann, 70 entries)
14. Internex(AS2828) at Mae-East 6.98 (426 ann, 61 entries)
15. CWIX(AS5683) at Mae-East 6.13 (8005 ann, 1306 entries)
16. ACSI(AS6467) at Mae-West 6.04 (68146 ann, 11278 entries)
17. CWIX(AS5683) at Mae-East 5.98 (7813 ann, 1306 entries)
18. EXODUS(AS3967) at Mae-East 5.86 (410 ann, 70 entries)
19. DREN(AS668) at Mae-East 5.83 (1311 ann, 225 entries)
20. CAIS(AS3491) at Mae-West 5.76 (3496 ann, 607 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. ACSI (6467) at mae-east 3775
2. SPRINT (1239) at mae-east 3460
3. internetMCI (3561) at pb 610
4. AGIS (4200) at mae-east 488
5. BBNplanet (1) at mae-west 438
6. AT&T (6478) at pb 243
7. NASA (297) at mae-west 189
8. Grid (6113) at pb 156
9. CWIX (5683) at mae-east 155
10. Digex (2548) at mae-west 146
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:16 EDT