Robtex

Up: 216.171.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.171.252.0/23
Down right: 216.171.254.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.171.252.2	A	aerobitech.com
216.171.252.34	PTR	34-252-171-216.aledobroadband.com
216.171.252.34	A	ub01.aledobb.com
216.171.252.34	A	cmdeaf.com
216.171.252.35	PTR	35-252-171-216.aledobroadband.com
216.171.252.35	A	ns2.aledobb.com
216.171.252.36	PTR	mail.aledobb.com
216.171.252.37	PTR	37-252-171-216.aledobroadband.com
216.171.252.37	A	centuryassetscorporation.com
216.171.252.37	A	cmdeafng.com
216.171.252.39	PTR	mail.aledobb.com
216.171.252.39	A	centuryassetscorporation.com
216.171.252.39	A	siempreamigos.org
216.171.252.40	PTR	40-252-171-216.aledobroadband.com
216.171.252.40	A	mail.aledobb.com
216.171.252.41	PTR	mail.aledobb.com
216.171.252.41	A	mail.linearconcepts.net
216.171.252.41	A	mail.aledobroadband.com
216.171.252.42	PTR	42-252-171-216.aledobroadband.com
216.171.252.42	A	cmdeafng.com
216.171.252.43	PTR	43-252-171-216.aledobroadband.com
216.171.252.47	PTR	47-252-171-216.aledobroadband.com
216.171.252.77	PTR	mail.aledobb.com
216.171.252.83	PTR	mail.aledobb.com
216.171.252.146	PTR	146-252-171-216.aledobroadband.com
216.171.252.183	PTR	183-252-171-216.aledobroadband.com
216.171.252.226	PTR	226-252-171-216.aledobroadband.com
216.171.252.226	A	cmdeaf.com
216.171.252.226	A	sunnydayranch.com
216.171.252.228	A	aerobitech.com
216.171.252.228	A	linearconcepts.net
216.171.252.228	A	amerikahaus.com
216.171.252.232	PTR	232-252-171-216.aledobroadband.com
216.171.253.163	A	mail.athertonkiehn.com
216.171.254.27	PTR	27-254-171-216.aledobroadband.com
216.171.254.139	PTR	139-254-171-216.aledobroadband.com
216.171.254.237	PTR	237-254-171-216.aledobroadband.com
216.171.255.142	PTR	142-255-171-216.aledobroadband.com
216.171.255.237	PTR	237-255-171-216.aledobroadband.com