Robtex

Up: 164.55.244.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 164.55.244.0/24
Down right: 164.55.245.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
164.55.245.97	A	cdn.geo.factset.com
164.55.245.97	A	cdn.factset.com
164.55.245.97	A	static.dist.factset.com
164.55.245.113	A+PTR	cauth-otp-lhr-vip.factset.com
164.55.245.117	A+PTR	cauth-thirdpipe-gateway-lhr-vip.factset.com
164.55.245.147	A	conduit-regionalized.dist.factset.com
164.55.245.164	A+PTR	cauth-login3-lhr-vip.factset.com
164.55.245.164	A	factsearch.factset.com
164.55.245.164	A	typeahead-regionalized.factset.com
164.55.245.165	PTR	cauth-apps-lhr-vip.factset.com