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
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
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
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
AS64514 at PacBell from internetMCI (AS3561) ASPATH=3561 8342 2118 64514 Incomplete
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. idc (AS4694) at Mae-West 19 + 166661 = 166680 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 5 + 153995 = 154000 BGP prefix updates
3. GetNet (AS5784) at Mae-East 0 + 148598 = 148598 BGP prefix updates
4. USCyber (AS4136) at Mae-East 28 + 145535 = 145563 BGP prefix updates
5. internetMCI (AS3561) at PacBell 103765 + 27522 = 131287 BGP prefix updates
6. Interpath (AS3407) at Mae-East 3 + 120632 = 120635 BGP prefix updates
7. SPRINT (AS1239) at Mae-East 83247 + 25899 = 109146 BGP prefix updates
8. internetMCI (AS3561) at Mae-East 79865 + 27519 = 107384 BGP prefix updates
9. internetMCI (AS3561) at AADS 74689 + 27579 = 102268 BGP prefix updates
10. telia (AS1299) at Mae-East 76 + 31978 = 32054 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 121.00 (5687 ann, 47 entries)
2. Nacamar(AS3257) at Mae-West 28.43 (1308 ann, 46 entries)
3. ICI(AS6561) at Mae-West 27.27 (409 ann, 15 entries)
4. Nacamar(AS3257) at Mae-East 19.77 (1048 ann, 53 entries)
5. AGIS(AS4200) at Mae-East 9.20 (16372 ann, 1780 entries)
6. NASA(AS297) at Mae-East 8.52 (2369 ann, 278 entries)
7. HLC(AS4565) at Mae-West 8.09 (534 ann, 66 entries)
8. internetMCI(AS3561) at PacBell 6.41 (103765 ann, 16180 entries)
9. DISA(AS568) at Mae-West 6.06 (4612 ann, 761 entries)
10. ANS(AS1673) at PacBell 5.85 (9683 ann, 1656 entries)
11. Digex(AS2548) at Mae-East 5.85 (4992 ann, 854 entries)
12. HLC(AS4565) at Mae-East 5.82 (384 ann, 66 entries)
13. HLC(AS4565) at AADS 5.60 (364 ann, 65 entries)
14. internetMCI(AS3561) at Mae-East 4.95 (79865 ann, 16146 entries)
15. internetMCI(AS3561) at AADS 4.62 (74689 ann, 16174 entries)
16. Above(AS6461) at Paix 4.41 (362 ann, 82 entries)
17. ANS(AS1673) at Mae-West 4.36 (10397 ann, 2382 entries)
18. Priori(AS10303) at Mae-West 4.33 (52 ann, 12 entries)
19. Grid(AS6113) at Mae-East 4.17 (4337 ann, 1041 entries)
20. SPRINT(AS1239) at Mae-East 4.13 (83247 ann, 20179 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3672
2. internetMCI (3561) at aads 710
3. AGIS (4200) at mae-east 471
4. BBNplanet (1) at mae-west 383
5. AT&T (6478) at mae-west 233
6. Grid (6113) at mae-east 186
7. CWIX (5683) at mae-west 182
8. NASA (297) at mae-west 172
9. Digex (2548) at mae-west 169
10. EUnet (286) at mae-east 134
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:16 EDT