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
---------------------------------------
192.205.31.33/32 at PacBell from NetAsset (AS6472) ASPATH=6472 174 IGP
192.205.31.97/32 at PacBell from NetAsset (AS6472) ASPATH=6472 174 INCOMPLETE
193.234.249.64/27 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1833 1299 3301 INCOMPLETE
194.207.0.128/28 at Mae-West from VBC (AS6320) ASPATH=6320 IGP
195.134.194.160/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8653 IGP
195.134.194.192/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8653 IGP
195.134.194.224/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8653 IGP
195.190.64.224/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.64.96/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.68.128/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.68.160/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.68.32/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.68.64/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.72.0/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.72.192/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.72.32/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.73.0/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.73.128/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.73.160/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.73.32/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.73.96/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.77.128/29 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.78.192/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.79.160/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.79.224/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.81.96/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.82.121/32 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.84.128/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.84.160/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.84.224/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.86.192/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.86.224/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.89.192/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.90.160/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
195.190.92.192/27 at PacBell from NetAsset (AS6472) ASPATH=6472 174 8355 8656 IGP
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
198.80.9.0/28 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
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 Mae-East from ANS (AS1673) ASPATH=1673 1324 IGP
207.26.64.80/28 at Mae-West 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. internetMCI (AS3561) at AADS 146544 + 16827 = 163371 BGP prefix updates
2. SPRINT (AS1239) at Mae-East 119459 + 34756 = 154215 BGP prefix updates
3. NetAsset (AS6472) at PacBell 72701 + 13018 = 85719 BGP prefix updates
4. internetMCI (AS3561) at Mae-East 47135 + 17742 = 64877 BGP prefix updates
5. internetMCI (AS3561) at PacBell 41902 + 16313 = 58215 BGP prefix updates
6. AGIS (AS4200) at Mae-East 26798 + 1830 = 28628 BGP prefix updates
7. MainStreet (AS3720) at Mae-West 33 + 21960 = 21993 BGP prefix updates
8. ANS (AS1673) at Mae-East 18972 + 567 = 19539 BGP prefix updates
9. AT&T (AS6478) at AADS 13660 + 1713 = 15373 BGP prefix updates
10. AT&T (AS6478) at PacBell 12582 + 1822 = 14404 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 7.77 (1609 ann, 207 entries)
2. OLEANE(AS2917) at Mae-East 4.56 (205 ann, 45 entries)
3. AT&T(AS6478) at PacBell 4.50 (16404 ann, 3644 entries)
4. highway1(AS7922) at Mae-East 4.00 (36 ann, 9 entries)
5. AGIS(AS4200) at Mae-East 3.16 (5917 ann, 1874 entries)
6. internetMCI(AS3561) at AADS 2.98 (53014 ann, 17803 entries)
7. CAIS(AS3491) at AADS 2.31 (2585 ann, 1117 entries)
8. AT&T(AS6478) at Mae-East 2.29 (8355 ann, 3642 entries)
9. InterAccess(AS3789) at AADS 2.25 (63 ann, 28 entries)
10. NetKonect(AS6716) at Mae-East 2.14 (15 ann, 7 entries)
11. Above(AS6461) at Mae-East 1.98 (706 ann, 357 entries)
12. OurWorld(AS7594) at Paix 1.96 (350 ann, 179 entries)
13. ANS(AS1673) at Mae-East 1.95 (3426 ann, 1755 entries)
14. IBMGlobal(AS2685) at AADS 1.70 (151 ann, 89 entries)
15. NASA(AS297) at Mae-East 1.64 (454 ann, 276 entries)
16. Above(AS6461) at PacBell 1.54 (551 ann, 357 entries)
17. Above(AS6461) at AADS 1.52 (540 ann, 356 entries)
18. SPRINT(AS1239) at Mae-East 1.52 (33308 ann, 21959 entries)
19. EXODUS(AS3967) at Mae-East 1.43 (196 ann, 137 entries)
20. conxion(AS4544) at PacBell 1.33 (4 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 3855
2. internetMCI (3561) at pb 755
3. BBNplanet (1) at mae-west 440
4. AGIS (4200) at mae-east 393
5. Digex (2548) at mae-west 380
6. Grid (6113) at pb 352
7. IBMGlobal (2685) at mae-west 328
8. AT&T (6478) at aads 244
9. INAP.net (5646) at aads 213
10. NASA (297) at mae-west 150
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT