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
---------------------------------------
195.89.17.81/32 at Mae-East from NetAxs (AS4969) ASPATH=4969 8001 6889 IGP
207.228.34.160/27 at Mae-West from Best (AS3915) ASPATH=3915 5752 IGP
Reserved AS Numbers
-------------------
AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65350 at Mae-East from VisiNet (AS6261) ASPATH=6261 7594 65350 7704 IGP
AS65531 at Mae-East from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 65531 IGP
AS65034 at Mae-West from OurWorld (AS7594) ASPATH=7594 7593 65034 IGP
AS65035 at Mae-West from OurWorld (AS7594) ASPATH=7594 7593 65035 IGP
AS65350 at Mae-West from OurWorld (AS7594) ASPATH=7594 65350 7704 IGP
AS65531 at Mae-West from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 65531 IGP
AS65000 at AADS from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65350 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7704 IGP
AS65531 at AADS from CAIS (AS3491) ASPATH=3491 6261 7594 65350 7706 65531 IGP
AS65000 at PacBell from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65350 at Paix from OurWorld (AS7594) ASPATH=7594 65350 7704 IGP
AS65531 at Paix from OurWorld (AS7594) ASPATH=7594 65350 7706 65531 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 114766 + 10663 = 125429 BGP prefix updates
2. Home (AS6172) at Mae-West 82 + 50965 = 51047 BGP prefix updates
3. SPRINT (AS1239) at Mae-East 33128 + 10336 = 43464 BGP prefix updates
4. internetMCI (AS3561) at PacBell 28426 + 9818 = 38244 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 26219 + 9762 = 35981 BGP prefix updates
6. BBNplanet (AS1) at Mae-East 16662 + 9711 = 26373 BGP prefix updates
7. GoodNet (AS5696) at Mae-West 12921 + 130 = 13051 BGP prefix updates
8. MainStreet (AS3720) at Mae-West 2 + 13047 = 13049 BGP prefix updates
9. AT&T (AS6478) at AADS 8067 + 1798 = 9865 BGP prefix updates
10. AT&T (AS6478) at PacBell 7717 + 1840 = 9557 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. IBMGlobal(AS2685) at Mae-West 25.19 (23557 ann, 935 entries)
2. MegsiNet(AS7194) at AADS 13.47 (256 ann, 19 entries)
3. MegsiNet(AS7194) at Mae-East 12.16 (231 ann, 19 entries)
4. OurWorld(AS7594) at Mae-West 10.55 (2553 ann, 242 entries)
5. GoodNet(AS5696) at Mae-West 8.74 (3670 ann, 420 entries)
6. AIMnet(AS3763) at Mae-West 8.52 (443 ann, 52 entries)
7. VisiNet(AS6261) at Mae-West 8.48 (1892 ann, 223 entries)
8. VisiNet(AS6261) at Mae-East 7.57 (1695 ann, 224 entries)
9. u-net(AS5669) at Mae-East 4.50 (45 ann, 10 entries)
10. IBMGlobal(AS2685) at AADS 4.26 (345 ann, 81 entries)
11. u-net(AS5669) at Mae-West 4.20 (42 ann, 10 entries)
12. GEOnet(AS3356) at PacBell 3.48 (345 ann, 99 entries)
13. highway1(AS7922) at Mae-East 3.11 (28 ann, 9 entries)
14. highway1(AS7922) at Mae-West 3.11 (28 ann, 9 entries)
15. OurWorld(AS7594) at Paix 2.66 (640 ann, 241 entries)
16. internetMCI(AS3561) at AADS 2.44 (43406 ann, 17760 entries)
17. AGIS(AS4200) at Mae-East 2.39 (4446 ann, 1862 entries)
18. internetMCI(AS3561) at PacBell 2.27 (40361 ann, 17761 entries)
19. ANS(AS1673) at Mae-East 1.98 (3457 ann, 1747 entries)
20. SPRINT(AS1239) at Mae-East 1.38 (29944 ann, 21760 entries)
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT