A total of 21 sites are hosted on 23.43.141.110.
Here are the first 5 as they would appear when searched for:
blogs.technet.com/b/chad
(null)
blogs.technet.com/b/deploymentguys
(null)
blogs.technet.com/b/jpsecurity
(null)
blogs.technet.com/b/the_microsoft_excel_support_team_blog
(null)
blogs.technet.com/b/mdegre
(null)
...and the list of the remaining 16:
blogs.technet.com/b/askpfeplat
blogs.technet.com/b/in_the_cloud
blogs.technet.com/b/latam
blogs.technet.com/b/meamcs
blogs.technet.com/b/joscon
blogs.technet.com/b/rmilne
blogs.technet.com/b/mmpc
blogs.technet.com/b/rutechnews
blogs.technet.com/b/dmelanchthon
blogs.technet.com/b/dataplatforminsider
blogs.technet.com/b/uspartner_ts2team
blogs.technet.com/b/csstwplatform
blogs.technet.com/b/nexthop
blogs.technet.com/b/speschka
blogs.technet.com/b/bluehat
blogs.technet.com/b/office2010