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
---------------------------------------
195.204.43.32/27 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 5381 IGP
198.60.153.49/32 at Mae-East from GoodNet (AS5696) ASPATH=5696 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
24.48.24.0/28 at Mae-East from ANS (AS1673) ASPATH=1673 1333 Incomplete
24.48.26.0/28 at Mae-East from ANS (AS1673) ASPATH=1673 1333 Incomplete
Reserved AS Numbers
-------------------
AS64516 at Mae-West from Grid (AS6113) ASPATH=6113 6198 2685 2692 64516 64517 Incomplete
AS64517 at Mae-West from Grid (AS6113) ASPATH=6113 6198 2685 2692 64516 64517 Incomplete
AS64516 at PacBell from Grid (AS6113) ASPATH=6113 6198 2685 2692 64516 64517 Incomplete
AS64517 at PacBell from Grid (AS6113) ASPATH=6113 6198 2685 2692 64516 64517 Incomplete
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. idc (AS4694) at Mae-West 5 + 134070 = 134075 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 170 + 130691 = 130861 BGP prefix updates
3. DISA (AS568) at Mae-West 2314 + 119425 = 121739 BGP prefix updates
4. USCyber (AS4136) at Mae-East 135 + 106431 = 106566 BGP prefix updates
5. GetNet (AS5784) at Mae-East 36 + 73218 = 73254 BGP prefix updates
6. SPRINT (AS1239) at Mae-East 58683 + 2322 = 61005 BGP prefix updates
7. internetMCI (AS3561) at Mae-East 51787 + 815 = 52602 BGP prefix updates
8. internetMCI (AS3561) at AADS 31130 + 8467 = 39597 BGP prefix updates
9. internetMCI (AS3561) at PacBell 29593 + 8561 = 38154 BGP prefix updates
10. telia (AS1299) at Mae-East 3557 + 22584 = 26141 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. USCyber(AS4136) at Mae-East 22.50 (135 ann, 6 entries)
2. Grid(AS6113) at PacBell 20.00 (7200 ann, 360 entries)
3. netrail(AS4006) at Mae-East 20.00 (100 ann, 5 entries)
4. VBC(AS6320) at Mae-West 18.46 (240 ann, 13 entries)
5. CWIX(AS5683) at Mae-East 13.16 (8477 ann, 644 entries)
6. Above(AS6461) at PacBell 12.53 (376 ann, 30 entries)
7. CWIX(AS5683) at Mae-East 10.07 (6484 ann, 644 entries)
8. Home(AS6172) at Mae-East 9.00 (153 ann, 17 entries)
9. GetNet(AS5784) at PacBell 9.00 (9 ann, 1 entries)
10. AGIS(AS4200) at Mae-East 7.81 (12830 ann, 1643 entries)
11. MIBX(AS6218) at PacBell 6.40 (32 ann, 5 entries)
12. EXODUS(AS3967) at PacBell 5.85 (193 ann, 33 entries)
13. Grid(AS6113) at Mae-West 4.31 (8865 ann, 2057 entries)
14. CableInet(AS5462) at Mae-West 4.09 (176 ann, 43 entries)
15. Priori(AS10303) at Mae-West 4.00 (4 ann, 1 entries)
16. internetMCI(AS3561) at PacBell 3.83 (29593 ann, 7717 entries)
17. Nacamar(AS3257) at Mae-West 3.64 (164 ann, 45 entries)
18. u-net(AS5669) at Mae-West 3.62 (29 ann, 8 entries)
19. Internex(AS2828) at PacBell 3.31 (96 ann, 29 entries)
20. Grid(AS6113) at Mae-West 3.30 (6793 ann, 2057 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. internetMCI (3561) at aads 638
2. AGIS (4200) at mae-east 419
3. BBNplanet (1) at mae-west 397
4. AT&T (6478) at aads 226
5. CWIX (5683) at mae-east 226
6. Grid (6113) at mae-west 166
7. NASA (297) at mae-west 161
8. Digex (2548) at mae-west 161
9. CAIS (3491) at aads 136
10. INAP.net (5646) at aads 109
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:16 EDT