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
---------------------------------------
192.116.207.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 5486 INCOMPLETE
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
205.181.249.35/32 at Mae-East from Intermedia (AS6235) ASPATH=6235 5651 6433 IGP
205.181.249.37/32 at Mae-East from Intermedia (AS6235) ASPATH=6235 5651 6433 IGP
Reserved AS Numbers
-------------------
AS65515 at Mae-East from SPRINT (AS1239) ASPATH=1239 6453 6846 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NetKonect (AS6716) at Mae-East 0 + 118396 = 118396 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 100267 + 16470 = 116737 BGP prefix updates
3. USCyber (AS4136) at Mae-East 0 + 99735 = 99735 BGP prefix updates
4. GetNet (AS5784) at Mae-East 0 + 63829 = 63829 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 28533 + 4793 = 33326 BGP prefix updates
6. telia (AS1299) at Mae-East 178 + 28930 = 29108 BGP prefix updates
7. ANS (AS1673) at Mae-East 26882 + 305 = 27187 BGP prefix updates
8. internetMCI (AS3561) at AADS 14043 + 6215 = 20258 BGP prefix updates
9. CompuServe (AS4183) at Mae-East 54 + 8314 = 8368 BGP prefix updates
10. idc (AS4694) at Mae-West 0 + 5423 = 5423 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. Cableol(AS5089) at Mae-East 101.75 (407 ann, 4 entries)
2. ANS(AS1673) at Mae-East 15.70 (26882 ann, 1712 entries)
3. HLC(AS4565) at AADS 8.53 (580 ann, 68 entries)
4. OLEANE(AS2917) at Mae-East 8.28 (331 ann, 40 entries)
5. HLC(AS4565) at Mae-East 6.94 (472 ann, 68 entries)
6. InterAccess(AS3789) at AADS 6.73 (175 ann, 26 entries)
7. IBMGlobal(AS2685) at AADS 5.36 (193 ann, 36 entries)
8. SPRINT(AS1239) at Mae-East 4.67 (100267 ann, 21492 entries)
9. Netcom(AS2551) at Mae-East 4.59 (1472 ann, 321 entries)
10. NetAxs(AS4969) at Mae-East 4.29 (532 ann, 124 entries)
11. HLC(AS4565) at Paix 2.97 (202 ann, 68 entries)
12. Erols(AS6079) at Mae-East 2.43 (68 ann, 28 entries)
13. Internex(AS2828) at AADS 2.43 (148 ann, 61 entries)
14. Interpath(AS3407) at Mae-East 2.38 (76 ann, 32 entries)
15. Internex(AS2828) at Mae-East 2.20 (134 ann, 61 entries)
16. Netcom(AS2551) at AADS 1.87 (598 ann, 320 entries)
17. CableInet(AS5462) at Mae-West 1.78 (66 ann, 37 entries)
18. Digex(AS2548) at Mae-East 1.67 (1393 ann, 832 entries)
19. internetMCI(AS3561) at Mae-East 1.65 (28533 ann, 17298 entries)
20. CAIS(AS3491) at AADS 1.26 (1651 ann, 1306 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3426
2. internetMCI (3561) at pb 1020
3. BBNplanet (1) at mae-west 416
4. AGIS (4200) at mae-east 358
5. IBMGlobal (2685) at mae-east 221
6. Grid (6113) at pb 191
7. INAP.net (5646) at aads 163
8. AT&T (6478) at pb 160
9. Digex (2548) at mae-west 158
10. CAIS (3491) at aads 145
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT