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
---------------------------------------
192.198.129.128/27 at Mae-East from conxion (AS4544) ASPATH=4544 1760 IGP
192.198.129.128/27 at AADS from conxion (AS4544) ASPATH=4544 1760 IGP
207.65.70.48/28 at Mae-East from BBNplanet (AS1) ASPATH=1 6203 IGP
209.95.130.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 INCOMPLETE
Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. NetKonect (AS6716) at Mae-East 0 + 136525 = 136525 BGP prefix updates
2. USCyber (AS4136) at Mae-East 0 + 110519 = 110519 BGP prefix updates
3. GetNet (AS5784) at Mae-East 0 + 108607 = 108607 BGP prefix updates
4. SPRINT (AS1239) at Mae-East 54299 + 10008 = 64307 BGP prefix updates
5. internetMCI (AS3561) at Mae-East 44572 + 8411 = 52983 BGP prefix updates
6. internetMCI (AS3561) at AADS 22603 + 8922 = 31525 BGP prefix updates
7. telia (AS1299) at Mae-East 149 + 27752 = 27901 BGP prefix updates
8. ANS (AS1673) at Mae-East 24190 + 361 = 24551 BGP prefix updates
9. EUnet (AS286) at Mae-East 10695 + 9666 = 20361 BGP prefix updates
10. CompuServe (AS4183) at Mae-East 4 + 11742 = 11746 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. ANS(AS1673) at Mae-East 13.93 (24190 ann, 1737 entries)
2. EUnet(AS286) at Mae-East 9.65 (10695 ann, 1108 entries)
3. OLEANE(AS2917) at Mae-East 7.33 (308 ann, 42 entries)
4. NetAxs(AS4969) at Mae-East 6.55 (911 ann, 139 entries)
5. CableInet(AS5462) at Mae-East 5.03 (181 ann, 36 entries)
6. WireHub(AS5496) at Mae-East 4.80 (72 ann, 15 entries)
7. Netcom(AS2551) at Mae-East 4.12 (1315 ann, 319 entries)
8. IBMGlobal(AS2685) at AADS 3.73 (153 ann, 41 entries)
9. internetMCI(AS3561) at Mae-East 2.61 (44572 ann, 17095 entries)
10. SPRINT(AS1239) at Mae-East 2.57 (54299 ann, 21115 entries)
11. Priori(AS10303) at Mae-East 2.41 (53 ann, 22 entries)
12. CAIS(AS3491) at AADS 2.27 (2916 ann, 1285 entries)
13. AGIS(AS4200) at Mae-East 1.99 (3522 ann, 1773 entries)
14. Internex(AS2828) at Mae-East 1.94 (126 ann, 65 entries)
15. Internex(AS2828) at AADS 1.80 (117 ann, 65 entries)
16. DREN(AS668) at Mae-East 1.58 (347 ann, 219 entries)
17. Erols(AS6079) at Mae-East 1.50 (48 ann, 32 entries)
18. Digex(AS2548) at Mae-East 1.49 (1347 ann, 902 entries)
19. InterAccess(AS3789) at AADS 1.42 (37 ann, 26 entries)
20. conxion(AS4544) at AADS 1.39 (25 ann, 18 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. internetMCI (3561) at aads 977
2. SPRINT (1239) at mae-east 419
3. BBNplanet (1) at mae-west 386
4. Grid (6113) at pb 188
5. IBMGlobal (2685) at mae-west 184
6. INAP.net (5646) at mae-west 171
7. Digex (2548) at mae-west 162
8. CAIS (3491) at aads 161
9. AT&T (6478) at pb 154
10. NASA (297) at mae-west 132
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT