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
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
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
-------------------
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 + 636484 = 636484 BGP prefix updates
2. GetNet (AS5784) at Mae-East 0 + 419046 = 419046 BGP prefix updates
3. USCyber (AS4136) at Mae-East 0 + 391272 = 391272 BGP prefix updates
4. Interpath (AS3407) at Mae-East 750 + 262420 = 263170 BGP prefix updates
5. idc (AS4694) at Mae-West 16 + 215262 = 215278 BGP prefix updates
6. DISA (AS568) at Mae-West 3566 + 168532 = 172098 BGP prefix updates
7. telia (AS1299) at Mae-East 48 + 137030 = 137078 BGP prefix updates
8. internetMCI (AS3561) at Mae-East 124591 + 11974 = 136565 BGP prefix updates
9. SPRINT (AS1239) at Mae-East 93353 + 21237 = 114590 BGP prefix updates
10. internetMCI (AS3561) at PacBell 77184 + 14364 = 91548 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 125.29 (6139 ann, 49 entries)
2. LinkAGE(AS4058) at Mae-East 42.50 (85 ann, 2 entries)
3. AI(AS6405) at Mae-East 20.00 (20 ann, 1 entries)
4. VisiNet(AS6261) at Mae-East 18.97 (1100 ann, 58 entries)
5. ISI.Net(AS6196) at Mae-East 18.80 (1297 ann, 69 entries)
6. OLEANE(AS2917) at Mae-East 16.77 (671 ann, 40 entries)
7. IOS(AS5000) at Mae-East 16.24 (341 ann, 21 entries)
8. AGIS(AS4200) at Mae-East 16.09 (25946 ann, 1613 entries)
9. HLC(AS4565) at Mae-East 15.45 (1035 ann, 67 entries)
10. Interpath(AS3407) at Mae-East 14.71 (750 ann, 51 entries)
11. INAP.net(AS5646) at Mae-East 14.03 (18686 ann, 1332 entries)
12. Erols(AS6079) at Mae-East 13.25 (159 ann, 12 entries)
13. FibreNet(AS6259) at Mae-East 13.00 (52 ann, 4 entries)
14. On-Net(AS6792) at Mae-East 13.00 (52 ann, 4 entries)
15. GoodNet(AS5696) at AADS 12.97 (5526 ann, 426 entries)
16. Cableol(AS5089) at Mae-East 12.50 (25 ann, 2 entries)
17. Home(AS6172) at Mae-West 12.03 (722 ann, 60 entries)
18. INX(AS8218) at Mae-East 12.00 (96 ann, 8 entries)
19. CAIS(AS3491) at AADS 11.64 (7743 ann, 665 entries)
20. conxion(AS4544) at Mae-East 11.33 (34 ann, 3 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3485
2. internetMCI (3561) at aads 673
3. AGIS (4200) at mae-east 468
4. BBNplanet (1) at mae-west 437
5. AT&T (6478) at mae-west 247
6. CWIX (5683) at mae-west 192
7. Grid (6113) at mae-east 163
8. NASA (297) at mae-west 155
9. Digex (2548) at mae-west 148
10. EUnet (286) at mae-east 141
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:16 EDT