Are these comcast dynamics?
2600:1017:b41b:8c63:f58d:85c2:c563:dba2 (talk+ · tag · contribs · filter log · WHOIS · RBLs · proxy check · block user · block log · cross-wiki contribs · CheckUser (log))
2600:1017:b41b:8c63:e86d:2d69:955b:fb1a (talk+ · tag · contribs · filter log · WHOIS · RBLs · proxy check · block user · block log · cross-wiki contribs · CheckUser (log))