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
---------------------------------------
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
198.60.153.49/32 at Mae-East from GoodNet (AS5696) ASPATH=5696 Incomplete
198.60.153.49/32 at Mae-West from GoodNet (AS5696) ASPATH=5696 Incomplete
198.60.153.49/32 at AADS from GoodNet (AS5696) ASPATH=5696 Incomplete
206.80.170.204/30 at Mae-East 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-West from ANS (AS1673) ASPATH=1673 1333 Incomplete
Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. idc (AS4694) at Mae-West 16 + 131941 = 131957 BGP prefix updates
2. GetNet (AS5784) at Mae-East 0 + 114450 = 114450 BGP prefix updates
3. NetKonect (AS6716) at Mae-East 0 + 113757 = 113757 BGP prefix updates
4. USCyber (AS4136) at Mae-East 0 + 74588 = 74588 BGP prefix updates
5. SPRINT (AS1239) at Mae-East 51769 + 12203 = 63972 BGP prefix updates
6. internetMCI (AS3561) at Mae-East 50292 + 9264 = 59556 BGP prefix updates
7. Interpath (AS3407) at Mae-East 75 + 52943 = 53018 BGP prefix updates
8. internetMCI (AS3561) at PacBell 34084 + 9750 = 43834 BGP prefix updates
9. internetMCI (AS3561) at AADS 31675 + 8712 = 40387 BGP prefix updates
10. AGIS (AS4200) at Mae-East 19278 + 16089 = 35367 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. NetAxs(AS4969) at Mae-East 122.87 (5775 ann, 47 entries)
2. GoodNet(AS5696) at AADS 12.28 (5355 ann, 436 entries)
3. AGIS(AS4200) at Mae-East 11.59 (19278 ann, 1663 entries)
4. HLC(AS4565) at Mae-West 8.15 (546 ann, 67 entries)
5. Netcom(AS2551) at Mae-East 7.02 (2329 ann, 332 entries)
6. HLC(AS4565) at Mae-East 5.53 (365 ann, 66 entries)
7. HLC(AS4565) at AADS 5.31 (356 ann, 67 entries)
8. Internex(AS2828) at Mae-East 4.61 (281 ann, 61 entries)
9. ISI.Net(AS6196) at Mae-East 4.42 (305 ann, 69 entries)
10. Primenet(AS3549) at Mae-East 4.22 (274 ann, 65 entries)
11. DISC(AS7170) at Mae-East 4.02 (326 ann, 81 entries)
12. WebSecure(AS6583) at AADS 4.00 (8 ann, 2 entries)
13. WebSecure(AS6583) at Mae-East 4.00 (8 ann, 2 entries)
14. Dialnet(AS5552) at Mae-East 3.82 (298 ann, 78 entries)
15. HLC(AS4565) at Paix 3.55 (238 ann, 67 entries)
16. WebSecure(AS6583) at Mae-West 3.50 (7 ann, 2 entries)
17. Primenet(AS3549) at Mae-West 3.42 (222 ann, 65 entries)
18. BBNplanet(AS1) at Mae-East 3.33 (16260 ann, 4887 entries)
19. netrail(AS4006) at Mae-East 3.32 (73 ann, 22 entries)
20. internetMCI(AS3561) at Mae-East 3.17 (50292 ann, 15888 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3363
2. internetMCI (3561) at aads 563
3. AGIS (4200) at mae-east 443
4. BBNplanet (1) at mae-west 434
5. AT&T (6478) at mae-west 247
6. CWIX (5683) at mae-east 180
7. Grid (6113) at mae-east 164
8. Digex (2548) at mae-west 146
9. NASA (297) at mae-west 141
10. EUnet (286) at mae-east 141
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:16 EDT