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
---------------------------------------
12.90.24.194/194 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 3307 Incomplete
171.52.141.213/52 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 3307 Incomplete
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.198.129.128/27 at Mae-West from conxion (AS4544) ASPATH=4544 1760 IGP
193.235.137.16/28 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 Incomplete
193.235.137.32/28 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 Incomplete
194.207.0.128/28 at Mae-West from VBC (AS6320) ASPATH=6320 IGP
206.80.170.204/30 at Mae-West from Grid (AS6113) ASPATH=6113 IGP
209.100.89.0/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.128/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.160/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.192/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.224/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.32/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.64/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.89.96/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
209.100.91.0/27 at Mae-West from INAP.net (AS5646) ASPATH=5646 10268 IGP
24/0 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 3307 Incomplete
Reserved AS Numbers
-------------------
AS65535 at Mae-East from BBNplanet (AS1) ASPATH=1 6478 7018 4926 65535 IGP
AS65535 at Mae-West from BBNplanet (AS1) ASPATH=1 6478 7018 4926 65535 IGP
AS65535 at AADS from AT
AS65535 at PacBell from AT
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. idc (AS4694) at Mae-West 327 + 191771 = 192098 BGP prefix updates
2. GetNet (AS5784) at Mae-East 5 + 108923 = 108928 BGP prefix updates
3. NetKonect (AS6716) at Mae-East 0 + 107784 = 107784 BGP prefix updates
4. CAIS (AS3491) at Mae-West 59930 + 32100 = 92030 BGP prefix updates
5. SPRINT (AS1239) at Mae-East 71421 + 17407 = 88828 BGP prefix updates
6. USCyber (AS4136) at Mae-East 0 + 77919 = 77919 BGP prefix updates
7. internetMCI (AS3561) at AADS 45513 + 13579 = 59092 BGP prefix updates
8. CompuServe (AS4183) at Mae-East 2 + 52695 = 52697 BGP prefix updates
9. Interpath (AS3407) at Mae-East 167 + 48973 = 49140 BGP prefix updates
10. internetMCI (AS3561) at PacBell 29392 + 11325 = 40717 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 51.75 (5537 ann, 107 entries)
2. CAIS(AS3491) at Mae-West 49.65 (59930 ann, 1207 entries)
3. Cableol(AS5089) at Mae-East 12.75 (51 ann, 4 entries)
4. Voicenet(AS3932) at Mae-East 12.31 (640 ann, 52 entries)
5. Intermedia(AS6235) at Mae-East 7.18 (1500 ann, 209 entries)
6. AT&T(AS6478) at Mae-West 6.23 (12448 ann, 1997 entries)
7. Nacamar(AS3257) at Mae-West 5.03 (357 ann, 71 entries)
8. DREN(AS668) at Mae-West 4.63 (1079 ann, 233 entries)
9. AT&T(AS6478) at Mae-East 4.62 (9219 ann, 1996 entries)
10. AGIS(AS4200) at Mae-East 4.58 (4218 ann, 920 entries)
11. AT&T(AS6478) at PacBell 4.56 (8948 ann, 1964 entries)
12. AIMnet(AS3763) at Mae-West 4.53 (213 ann, 47 entries)
13. Internex(AS2828) at Mae-East 4.30 (245 ann, 57 entries)
14. ValueServe(AS7374) at Mae-West 4.00 (12 ann, 3 entries)
15. GoodNet(AS5696) at Mae-West 3.96 (1686 ann, 426 entries)
16. CableInet(AS5462) at Mae-West 3.93 (173 ann, 44 entries)
17. GoodNet(AS5696) at Mae-East 3.91 (1667 ann, 426 entries)
18. Internex(AS2828) at AADS 3.75 (221 ann, 59 entries)
19. DREN(AS668) at Mae-East 3.74 (852 ann, 228 entries)
20. EUnet(AS286) at Mae-East 3.56 (3881 ann, 1090 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3503
2. internetMCI (3561) at mae-east 547
3. BBNplanet (1) at mae-east 386
4. AGIS (4200) at mae-east 259
5. IBMGlobal (2685) at aads 203
6. Grid (6113) at pb 179
7. AT&T (6478) at mae-west 170
8. CAIS (3491) at mae-west 159
9. NASA (297) at mae-west 156
10. INAP.net (5646) at aads 152
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:17 EDT