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
To unsubscribe from this list, send mail to routing-problems-request@merit.edu.
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
---------------------------------------
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