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
---------------------------------------
10.0.0.0/8 at Mae-East from NetAxs (AS4969) ASPATH=4969 7594 INCOMPLETE
Reserved AS Numbers
-------------------
AS65355 at Mae-East from CAIS (AS3491) ASPATH=3491 4969 4969 7594 7175 7593 65350 65355 IGP
AS65350 at Mae-East from CAIS (AS3491) ASPATH=3491 4969 4969 7594 7175 7593 65350 65355 IGP
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 5415 65515 8207 IGP
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 5415 65515 8207 IGP
AS65355 at AADS from CAIS (AS3491) ASPATH=3491 4969 4969 7594 7175 7593 65350 65355 IGP
AS65350 at AADS from CAIS (AS3491) ASPATH=3491 4969 4969 7594 7175 7593 65350 65355 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 44289 + 21021 = 65310 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 0 + 22061 = 22061 BGP prefix updates
3. SPRINT (AS1239) at Mae-East 8692 + 2776 = 11468 BGP prefix updates
4. CAIS (AS3491) at AADS 7082 + 3763 = 10845 BGP prefix updates
5. USCyber (AS4136) at Mae-East 0 + 10243 = 10243 BGP prefix updates
6. Seastrom (AS3066) at Mae-East 0 + 7998 = 7998 BGP prefix updates
7. idc (AS4694) at Mae-West 1 + 7509 = 7510 BGP prefix updates
8. MIBX (AS6218) at PacBell 3473 + 3438 = 6911 BGP prefix updates
9. internetMCI (AS3561) at Mae-East 4300 + 957 = 5257 BGP prefix updates
10. AT&T (AS6478) at AADS 2534 + 600 = 3134 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. MIBX(AS6218) at PacBell 27.78 (3473 ann, 125 entries)
2. Interpath(AS3407) at Mae-East 9.30 (307 ann, 33 entries)
3. NetAxs(AS4969) at Mae-East 5.83 (1620 ann, 278 entries)
4. CAIS(AS3491) at AADS 5.77 (7082 ann, 1228 entries)
5. HLC(AS4565) at AADS 5.75 (374 ann, 65 entries)
6. Primenet(AS3549) at AADS 5.75 (817 ann, 142 entries)
7. NWU(AS103) at AADS 4.10 (82 ann, 20 entries)
8. Internex(AS2828) at AADS 3.65 (237 ann, 65 entries)
9. EXODUS(AS3967) at AADS 3.08 (311 ann, 101 entries)
10. Alpha(AS4550) at AADS 2.98 (122 ann, 41 entries)
11. internetMCI(AS3561) at AADS 2.58 (44289 ann, 17144 entries)
12. IBMGlobal(AS2685) at AADS 2.02 (898 ann, 445 entries)
13. WebSecure(AS6583) at AADS 2.00 (4 ann, 2 entries)
14. INCnet(AS3857) at AADS 1.98 (111 ann, 56 entries)
15. OneCall(AS6402) at AADS 1.92 (173 ann, 90 entries)
16. HLC(AS4565) at Paix 1.83 (119 ann, 65 entries)
17. u-net(AS5669) at Paix 1.75 (14 ann, 8 entries)
18. OLEANE(AS2917) at Mae-East 1.68 (74 ann, 44 entries)
19. WireHub(AS5496) at Mae-East 1.53 (23 ann, 15 entries)
20. Netcom(AS2551) at AADS 1.27 (401 ann, 315 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3738
2. internetMCI (3561) at aads 778
3. BBNplanet (1) at mae-west 382
4. AGIS (4200) at mae-east 360
5. IBMGlobal (2685) at mae-west 239
6. Grid (6113) at pb 193
7. CAIS (3491) at aads 167
8. INAP.net (5646) at aads 161
9. Digex (2548) at mae-west 160
10. AT&T (6478) at aads 151
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT