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
http://www.merit.net/mail.archives/html/routing-problems/
Also see http://www.caida.org for more information about Internet statistics
collection research efforts.
Reserved Network and Host Announcements
---------------------------------------
166.48.225.248/30 at AADS from Merit (AS237) ASPATH=237 INCOMPLETE
209.95.130.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 INCOMPLETE
Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 132628 + 22611 = 155239 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 1 + 153237 = 153238 BGP prefix updates
3. USCyber (AS4136) at Mae-East 6 + 130744 = 130750 BGP prefix updates
4. Seastrom (AS3066) at Mae-East 4 + 124796 = 124800 BGP prefix updates
5. GetNet (AS5784) at Mae-East 3 + 84104 = 84107 BGP prefix updates
6. internetMCI (AS3561) at AADS 50393 + 15416 = 65809 BGP prefix updates
7. AT&T (AS6478) at Mae-East 53384 + 8671 = 62055 BGP prefix updates
8. internetMCI (AS3561) at Mae-East 35491 + 10667 = 46158 BGP prefix updates
9. CompuServe (AS4183) at Mae-East 4 + 32935 = 32939 BGP prefix updates
10. telia (AS1299) at Mae-East 246 + 24555 = 24801 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Pilot(AS3563) at Paix 26.57 (1993 ann, 75 entries)
2. NetAxs(AS4969) at Mae-East 26.40 (4963 ann, 188 entries)
3. AT&T(AS6478) at Mae-East 25.83 (53384 ann, 2067 entries)
4. Priori(AS10303) at Mae-East 13.44 (457 ann, 34 entries)
5. VisiNet(AS6261) at Mae-East 11.37 (1171 ann, 103 entries)
6. HLC(AS4565) at AADS 6.95 (459 ann, 66 entries)
7. WireHub(AS5496) at Mae-East 6.73 (101 ann, 15 entries)
8. CAIS(AS3491) at AADS 6.18 (6920 ann, 1119 entries)
9. SPRINT(AS1239) at Mae-East 6.11 (132628 ann, 21713 entries)
10. NASA(AS297) at Mae-East 5.89 (1668 ann, 283 entries)
11. HLC(AS4565) at Mae-East 5.79 (382 ann, 66 entries)
12. IBMGlobal(AS2685) at AADS 5.57 (1382 ann, 248 entries)
13. OneCall(AS6402) at AADS 5.26 (463 ann, 88 entries)
14. DREN(AS668) at Mae-East 5.19 (1188 ann, 229 entries)
15. OneCall(AS6402) at Mae-East 4.40 (387 ann, 88 entries)
16. IXI(AS5418) at Mae-East 4.33 (13 ann, 3 entries)
17. Internex(AS2828) at Paix 4.29 (279 ann, 65 entries)
18. OLEANE(AS2917) at Mae-East 4.20 (172 ann, 41 entries)
19. AT&T(AS6478) at AADS 3.84 (7790 ann, 2030 entries)
20. AGIS(AS4200) at Mae-East 3.62 (6328 ann, 1750 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. internetMCI (3561) at aads 12491
2. SPRINT (1239) at mae-east 8880
3. BBNplanet (1) at mae-west 2988
4. ANS (1673) at pb 1570
5. AT&T (6478) at mae-east 1446
6. AGIS (4200) at mae-east 1228
7. INAP.net (5646) at mae-east 1183
8. WNA (2914) at paix 1092
9. Grid (6113) at pb 861
10. CWIX (5683) at mae-west 764
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT