Robtex

Up: 159.78.72.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 159.78.72.0/24
Down right: 159.78.73.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
159.78.72.30	PTR	centurylinksearch.centurylink.com
159.78.72.30	A	digitalteleport.com
159.78.72.30	A	centurylinkconnectedcloud.com
159.78.72.46	A+PTR	ctlmft1.centurylink.com
159.78.72.50	PTR	managemyctlstore.com
159.78.72.50	A	webservices.mebtel.net
159.78.72.50	A	bidmaster.centurytel.com
159.78.72.55	A+PTR	dev.managemyctlstore.com
159.78.72.55	A	selfservicedev.centurytel.com
159.78.72.74	A	google.centurytel.com
159.78.72.83	A	ctlsupplieraccessdev.com
159.78.72.86	A	ctlmft1q1.centurylink.com
159.78.72.103	A	ctlsupplieraccess.com
159.78.72.111	A+PTR	dmz.ctlsupplieraccess.com