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
---------------------------------------
0.0.0.0/0 at Mae-East from NetAxs (AS4969) ASPATH=4969 7594 IGP
0.0.0.0/0 at Mae-East from NetAxs (AS4969) ASPATH=4969 7594 IGP
192.198.129.128/27 at Mae-East from NetAxs (AS4969) ASPATH=4969 7594 6261 4544 1760 IGP
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
192.239.22.48/29 at Mae-East from NetAxs (AS4969) ASPATH=4969 7594 6261 1 IGP
193.36.176.254/32 at Mae-East from NetAxs (AS4969) ASPATH=4969 7594 6261 174 1290 INCOMPLETE
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 5415 5593 65515 8207 IGP
AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 5415 5593 65515 8207 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 161076 + 49468 = 210544 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 13 + 188555 = 188568 BGP prefix updates
3. USCyber (AS4136) at Mae-East 0 + 108921 = 108921 BGP prefix updates
4. GetNet (AS5784) at Mae-East 0 + 94027 = 94027 BGP prefix updates
5. internetMCI (AS3561) at AADS 25339 + 10781 = 36120 BGP prefix updates
6. internetMCI (AS3561) at Mae-East 22906 + 10862 = 33768 BGP prefix updates
7. telia (AS1299) at Mae-East 353 + 18754 = 19107 BGP prefix updates
8. CompuServe (AS4183) at Mae-East 3 + 16079 = 16082 BGP prefix updates
9. NetAxs (AS4969) at Mae-East 9969 + 3791 = 13760 BGP prefix updates
10. AGIS (AS4200) at Mae-East 5813 + 5092 = 10905 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. VisiNet(AS6261) at Mae-East 65.87 (988 ann, 15 entries)
2. NetAxs(AS4969) at Mae-East 54.18 (9969 ann, 184 entries)
3. Pilot(AS3563) at Paix 17.32 (1299 ann, 75 entries)
4. Cableol(AS5089) at Mae-East 14.75 (59 ann, 4 entries)
5. Internex(AS2828) at AADS 8.40 (546 ann, 65 entries)
6. HLC(AS4565) at AADS 7.98 (527 ann, 66 entries)
7. SPRINT(AS1239) at Mae-East 7.48 (161076 ann, 21542 entries)
8. OLEANE(AS2917) at Mae-East 7.33 (308 ann, 42 entries)
9. Interpath(AS3407) at Mae-East 6.91 (228 ann, 33 entries)
10. HLC(AS4565) at Mae-East 6.80 (442 ann, 65 entries)
11. DREN(AS668) at Mae-East 6.67 (1574 ann, 236 entries)
12. Internex(AS2828) at Mae-East 6.65 (432 ann, 65 entries)
13. IBMGlobal(AS2685) at AADS 5.39 (1600 ann, 297 entries)
14. WireHub(AS5496) at Mae-East 5.07 (76 ann, 15 entries)
15. VisiNet(AS6261) at Mae-West 4.41 (423 ann, 96 entries)
16. DISC(AS7170) at Mae-East 4.05 (421 ann, 104 entries)
17. CableInet(AS5462) at Mae-East 3.97 (119 ann, 30 entries)
18. InterAccess(AS3789) at AADS 3.96 (103 ann, 26 entries)
19. conxion(AS4544) at AADS 3.94 (67 ann, 17 entries)
20. UIC(AS6200) at AADS 3.67 (11 ann, 3 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3711
2. internetMCI (3561) at aads 823
3. AGIS (4200) at mae-east 387
4. BBNplanet (1) at mae-west 385
5. IBMGlobal (2685) at mae-west 213
6. Grid (6113) at pb 188
7. Digex (2548) at mae-west 159
8. INAP.net (5646) at mae-west 156
9. AT&T (6478) at aads 154
10. CAIS (3491) at aads 152
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT