Robtex

Up: 216.31.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 216.31.0.0/19
Down right: 216.31.32.0/19

IP	Type	Hostname
216.31.0.0	PTR	216-031-0-0.abq.static.fttx.citylinkfiber.net
216.31.0.64	PTR	216-031-0-64.abq.static.fttx.citylinkfiber.net
216.31.0.67	PTR	216-031-0-67.abq.static.fttx.citylinkfiber.net
216.31.0.193	PTR	216-031-0-193.abq.static.fttx.citylinkfiber.net
216.31.1.74	A	shifttrade.com
216.31.1.90	A	shift-trade.com
216.31.6.130	PTR	216-031-6-130.abq.static.fttx.citylinkfiber.net
216.31.10.3	A+PTR	live1.brownrice.com
216.31.10.3	A	590804fbbbc47.streamlock.net
216.31.10.5	A	live3.brownrice.com
216.31.10.5	A	5b8462eb3469a.streamlock.net
216.31.11.65	PTR	216-031-11-65.abq.static.fttx.citylinkfiber.net
216.31.12.3	PTR	216-031-12-3.abq.as7850.net
216.31.12.3	A	abq-nm-us.prcdn.net
216.31.12.64	PTR	216-031-12-64.abq.static.fttx.citylinkfiber.net
216.31.12.65	PTR	216-031-12-65.abq.static.fttx.citylinkfiber.net
216.31.12.131	A	abq-nm-us.prcdn.net
216.31.18.116	A	esp-116.dsl.zianet.com
216.31.27.195	PTR	216-031-27-195.abq.static.fttx.citylinkfiber.net
216.31.29.193	PTR	216-031-29-193.abq.static.fttx.citylinkfiber.net
216.31.30.2	PTR	216-031-30-2.abq.static.fttx.citylinkfiber.net
216.31.33.2	PTR	216-031-33-2.abq.static.fttx.citylinkfiber.net
216.31.33.3	PTR	216-031-33-3.abq.static.fttx.citylinkfiber.net
216.31.36.130	PTR	216-031-36-130.abq.static.fttx.citylinkfiber.net
216.31.37.130	PTR	216-031-37-130.abq.static.fttx.citylinkfiber.net
216.31.40.64	PTR	216-031-40-64.abq.static.fttx.citylinkfiber.net
216.31.40.161	A	childhavennm.com
216.31.41.131	PTR	216-031-41-131.abq.static.fttx.citylinkfiber.net
216.31.47.1	PTR	216-031-47-1.abq.static.fttx.citylinkfiber.net
216.31.50.10	PTR	jmbol.com
216.31.50.12	A+PTR	aimaircraftspares.com
216.31.50.150	A+PTR	speedtest.ixnm.net
216.31.60.66	A	penasco.k12.nm.us
216.31.63.195	PTR	216-031-63-195.abq.static.fttx.citylinkfiber.net