[outages] IPv6 access to www.facebook.com currently down for me via Cogent

[Frank Bulk]

Down for me via Cogent since 8:40 am Central.  IPv4 access is just fine.
IPv6 access from another host via NTT is fine, too, so I suspect a Cogent
issue.

nagios:# wget -6 www.facebook.com
--2013-07-03 08:59:45--  http://www.facebook.com/
Resolving www.facebook.com... 2a03:2880:2030:2f07:face:b00c:0:1
Connecting to www.facebook.com|2a03:2880:2030:2f07:face:b00c:0:1|:80...
failed: Connection timed out.
Retrying.

--2013-07-03 09:00:07--  (try: 2)  http://www.facebook.com/
Connecting to www.facebook.com|2a03:2880:2030:2f07:face:b00c:0:1|:80... ^C

nagios:# tcptraceroute6 www.facebook.com
traceroute to www.facebook.com (2a03:2880:2030:2f07:face:b00c:0:1) from
2607:fe28:0:1000::5, port 80, from port 54063, 30 hops max, 60 bytes packets
 1  router-core.mtcnet.net (2607:fe28:0:1000::1)  0.267 ms  0.209 ms  0.268
ms
 2  sxct.movl.mtcnet.net (2607:fe28:11:1002::194)  0.221 ms  0.138 ms  0.107
ms
 3  v6-premier.movl-mlx.fbnt.netins.net (2001:5f8:7f0a:1::1)  1.922 ms
1.924 ms  1.912 ms
 4  v6-ins-kb1-te-13-2-220.kmrr.netins.net (2001:5f8:2:2::1)  6.335 ms
6.312 ms  6.348 ms
 5  v6-ins-kc1-te-9-2.kmrr.netins.net (2001:5f8::10:1)  6.403 ms  6.360 ms
6.339 ms
 6  v6-ins-wc2-po20.wdmn.netins.net (2001:5f8::15:2)  7.848 ms  7.867 ms
7.873 ms
 7  v6-ins-wc1-po21.wdmn.netins.net (2001:5f8::24:1)  7.905 ms  7.888 ms
7.878 ms
 8  2001:550:2:24::1 (2001:550:2:24::1)  11.757 ms  8.207 ms  8.164 ms
 9  2001:550:3::19e (2001:550:3::19e)  15.493 ms  15.464 ms  15.464 ms
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nagios:#