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
---------------------------------------
193.234.249.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
198.80.116.192/27 at Mae-East from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.116.192/27 at Mae-West from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.116.192/27 at PacBell from ANS (AS1673) ASPATH=1673 1670 IGP
198.80.9.0/28 at Mae-East from ANS (AS1673) ASPATH=1673 1327 1684 IGP
198.80.9.0/28 at Mae-West from ANS (AS1673) ASPATH=1673 1327 1684 IGP
198.80.9.0/28 at PacBell from ANS (AS1673) ASPATH=1673 1327 1684 IGP
200.30.42.16/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.64/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.72/29 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
200.30.42.80/30 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
206.185.236.4/30 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
206.84.149.20/32 at Mae-East from AGIS (AS4200) ASPATH=4200 IGP
207.26.64.80/28 at PacBell from ANS (AS1673) ASPATH=1673 1675 IGP
209.88.14.0/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.128/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.240/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.32/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.64/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.14.96/28 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
209.88.15.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 6371 7997 INCOMPLETE
Reserved AS Numbers
-------------------
AS64600 at Mae-East from NASA (AS297) ASPATH=297 64600 IGP
AS65000 at Mae-East from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS64600 at Mae-West from NASA (AS297) ASPATH=297 64600 IGP
AS65000 at AADS from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
AS65000 at PacBell from internetMCI (AS3561) ASPATH=3561 4230 65000 IGP
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. SPRINT (AS1239) at Mae-East 129545 + 41660 = 171205 BGP prefix updates
2. internetMCI (AS3561) at AADS 120690 + 17604 = 138294 BGP prefix updates
3. internetMCI (AS3561) at Mae-East 44150 + 16512 = 60662 BGP prefix updates
4. internetMCI (AS3561) at PacBell 42768 + 15851 = 58619 BGP prefix updates
5. MainStreet (AS3720) at Mae-West 0 + 33978 = 33978 BGP prefix updates
6. AGIS (AS4200) at Mae-East 20609 + 3190 = 23799 BGP prefix updates
7. Nacamar (AS3257) at Mae-West 3628 + 18817 = 22445 BGP prefix updates
8. AT&T (AS6478) at PacBell 15775 + 3102 = 18877 BGP prefix updates
9. AT&T (AS6478) at AADS 14410 + 3087 = 17497 BGP prefix updates
10. BBNplanet (AS1) at Mae-East 9196 + 4068 = 13264 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. AIMnet(AS3763) at Mae-West 7.67 (399 ann, 52 entries)
2. AGIS(AS4200) at Mae-East 5.78 (10839 ann, 1874 entries)
3. AT&T(AS6478) at AADS 5.24 (19985 ann, 3812 entries)
4. AT&T(AS6478) at PacBell 5.08 (19515 ann, 3842 entries)
5. Servint(AS7960) at Mae-West 4.00 (4 ann, 1 entries)
6. Digex(AS2548) at Mae-East 3.75 (4165 ann, 1111 entries)
7. highway1(AS7922) at Mae-East 3.67 (33 ann, 9 entries)
8. highway1(AS7922) at Mae-West 3.56 (32 ann, 9 entries)
9. WCG(AS7911) at PacBell 3.50 (7 ann, 2 entries)
10. WCG(AS7911) at AADS 3.50 (7 ann, 2 entries)
11. ThePlanet(AS5388) at Mae-West 2.91 (239 ann, 82 entries)
12. AT&T(AS6478) at Mae-East 2.47 (9512 ann, 3844 entries)
13. internetMCI(AS3561) at AADS 2.42 (42546 ann, 17605 entries)
14. IPF(AS5409) at Mae-East 2.15 (56 ann, 26 entries)
15. InterAccess(AS3789) at AADS 2.07 (58 ann, 28 entries)
16. NetAxs(AS4969) at Mae-East 1.97 (482 ann, 245 entries)
17. AT&T(AS6478) at Mae-West 1.91 (7323 ann, 3842 entries)
18. WNA(AS2914) at Mae-West 1.82 (4752 ann, 2618 entries)
19. Above(AS6461) at PacBell 1.80 (659 ann, 366 entries)
20. WNA(AS2914) at Mae-West 1.76 (4595 ann, 2618 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 3844
2. internetMCI (3561) at pb 732
3. BBNplanet (1) at mae-west 438
4. AGIS (4200) at mae-east 385
5. Grid (6113) at pb 342
6. Digex (2548) at mae-west 325
7. IBMGlobal (2685) at mae-west 288
8. AT&T (6478) at pb 260
9. INAP.net (5646) at aads 210
10. CERFnet (1740) at mae-west 164
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT