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
---------------------------------------
192.198.129.128/27 at Mae-East from conxion (AS4544) ASPATH=4544 1760 IGP
192.198.129.128/27 at AADS from conxion (AS4544) ASPATH=4544 1760 IGP
194.117.132.180/30 at Mae-East from CableInet (AS5462) ASPATH=5462 6676 IGP
194.117.132.184/30 at Mae-East from CableInet (AS5462) ASPATH=5462 6676 IGP
194.117.132.188/30 at Mae-East from CableInet (AS5462) ASPATH=5462 6676 IGP
194.117.132.224/27 at Mae-East from CableInet (AS5462) ASPATH=5462 6676 IGP
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 5415 65515 8207 IGP
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 5415 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. USCyber (AS4136) at Mae-East 1 + 244855 = 244856 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 0 + 116741 = 116741 BGP prefix updates
3. SPRINT (AS1239) at Mae-East 74420 + 25326 = 99746 BGP prefix updates
4. GetNet (AS5784) at Mae-East 0 + 88647 = 88647 BGP prefix updates
5. CompuServe (AS4183) at Mae-East 3 + 48174 = 48177 BGP prefix updates
6. telia (AS1299) at Mae-East 220 + 42240 = 42460 BGP prefix updates
7. internetMCI (AS3561) at AADS 27770 + 13560 = 41330 BGP prefix updates
8. internetMCI (AS3561) at Mae-East 27175 + 12057 = 39232 BGP prefix updates
9. AT&T (AS6478) at Mae-East 16630 + 1836 = 18466 BGP prefix updates
10. CWIX (AS5683) at Mae-East 10562 + 6602 = 17164 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. OLEANE(AS2917) at Mae-East 28.45 (1138 ann, 40 entries)
2. IBMGlobal(AS2685) at AADS 20.08 (723 ann, 36 entries)
3. NetAxs(AS4969) at Mae-East 17.72 (3314 ann, 187 entries)
4. Pilot(AS3563) at Paix 16.12 (1193 ann, 74 entries)
5. conxion(AS4544) at AADS 11.29 (192 ann, 17 entries)
6. HLC(AS4565) at AADS 10.80 (691 ann, 64 entries)
7. DREN(AS668) at Mae-East 9.71 (2185 ann, 225 entries)
8. HLC(AS4565) at Mae-East 8.69 (556 ann, 64 entries)
9. conxion(AS4544) at Mae-East 8.18 (139 ann, 17 entries)
10. AT&T(AS6478) at Mae-East 8.08 (16630 ann, 2057 entries)
11. Megsinet(AS7194) at AADS 7.84 (149 ann, 19 entries)
12. UIC(AS6200) at AADS 7.00 (21 ann, 3 entries)
13. AT&T(AS6478) at AADS 6.02 (12391 ann, 2058 entries)
14. CWIX(AS5683) at Mae-East 5.27 (11302 ann, 2144 entries)
15. CWIX(AS5683) at Mae-East 4.93 (10562 ann, 2144 entries)
16. FiberNet(AS6259) at Mae-East 4.54 (109 ann, 24 entries)
17. InterAccess(AS3789) at AADS 4.04 (105 ann, 26 entries)
18. Above(AS6461) at Mae-East 3.54 (326 ann, 92 entries)
19. SPRINT(AS1239) at Mae-East 3.51 (74420 ann, 21211 entries)
20. Digex(AS2548) at Mae-East 3.49 (3009 ann, 863 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3605
2. internetMCI (3561) at mae-east 825
3. BBNplanet (1) at mae-west 411
4. AGIS (4200) at mae-east 344
5. IBMGlobal (2685) at mae-east 208
6. Grid (6113) at pb 189
7. CAIS (3491) at mae-west 177
8. Digex (2548) at mae-west 155
9. AT&T (6478) at aads 154
10. INAP.net (5646) at aads 145
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT