Robtex

Up: 173.89.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 173.89.128.0/20
Down right: 173.89.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.89.129.141	A+PTR	cpe-173-89-129-141.new.res.rr.com
173.89.129.189	A+PTR	cpe-173-89-129-189.new.res.rr.com
173.89.130.26	A	bradwunderlich.com
173.89.130.27	A	mikenigl.com
173.89.130.52	A+PTR	cpe-173-89-130-52.new.res.rr.com
173.89.130.213	A+PTR	cpe-173-89-130-213.new.res.rr.com
173.89.131.12	A	andyplace.com
173.89.131.40	A	theheadmuseum.com
173.89.131.70	A+PTR	cpe-173-89-131-70.new.res.rr.com
173.89.131.138	A+PTR	cpe-173-89-131-138.new.res.rr.com
173.89.131.179	PTR	cpe-173-89-131-179.new.res.rr.com
173.89.131.181	A+PTR	cpe-173-89-131-181.new.res.rr.com
173.89.131.181	A	www.rushfordgatheringspace.com
173.89.132.201	A+PTR	cpe-173-89-132-201.new.res.rr.com
173.89.133.69	A+PTR	cpe-173-89-133-69.new.res.rr.com
173.89.133.87	A+PTR	cpe-173-89-133-87.new.res.rr.com
173.89.133.211	A+PTR	cpe-173-89-133-211.new.res.rr.com
173.89.134.26	A+PTR	cpe-173-89-134-26.new.res.rr.com
173.89.134.122	A+PTR	cpe-173-89-134-122.new.res.rr.com
173.89.136.14	A	mail.yedi.ca
173.89.136.168	A+PTR	cpe-173-89-136-168.new.res.rr.com
173.89.136.227	A	rozzops.com
173.89.138.33	A+PTR	cpe-173-89-138-33.new.res.rr.com
173.89.138.33	A	nextcloud.pizurhouse.com
173.89.138.33	A	pizurhouse.com
173.89.138.108	A+PTR	cpe-173-89-138-108.new.res.rr.com
173.89.138.205	A+PTR	cpe-173-89-138-205.new.res.rr.com
173.89.138.248	A+PTR	cpe-173-89-138-248.new.res.rr.com
173.89.139.30	A	waymanwittman.com
173.89.139.30	A	wittmanracing.com
173.89.139.30	A	idreamllc.com
173.89.140.86	A+PTR	cpe-173-89-140-86.new.res.rr.com
173.89.140.141	A+PTR	cpe-173-89-140-141.new.res.rr.com
173.89.140.213	A+PTR	cpe-173-89-140-213.new.res.rr.com
173.89.141.86	A+PTR	cpe-173-89-141-86.new.res.rr.com
173.89.141.220	A	*.8bitbytes.com
173.89.142.80	A+PTR	cpe-173-89-142-80.new.res.rr.com
173.89.143.31	A+PTR	cpe-173-89-143-31.new.res.rr.com
173.89.144.196	A+PTR	cpe-173-89-144-196.new.res.rr.com
173.89.144.196	A	nguyenrivers.com
173.89.145.114	A+PTR	cpe-173-89-145-114.new.res.rr.com
173.89.145.153	A+PTR	cpe-173-89-145-153.new.res.rr.com
173.89.145.182	A	namescash.com
173.89.146.176	A+PTR	cpe-173-89-146-176.new.res.rr.com
173.89.146.251	A+PTR	cpe-173-89-146-251.new.res.rr.com
173.89.146.251	A	tedsastro.dnsalias.com
173.89.146.255	A+PTR	cpe-173-89-146-255.new.res.rr.com
173.89.146.255	A	echotangofoxtrot.com
173.89.147.27	A+PTR	cpe-173-89-147-27.new.res.rr.com
173.89.147.56	A+PTR	cpe-173-89-147-56.new.res.rr.com
173.89.147.171	A+PTR	cpe-173-89-147-171.new.res.rr.com
173.89.147.177	A+PTR	cpe-173-89-147-177.new.res.rr.com
173.89.147.177	A	squirrelnestrentals.com
173.89.147.193	A+PTR	cpe-173-89-147-193.new.res.rr.com
173.89.148.9	A+PTR	cpe-173-89-148-9.new.res.rr.com
173.89.148.189	A	petespc.tk
173.89.150.52	A+PTR	cpe-173-89-150-52.new.res.rr.com
173.89.152.130	A+PTR	cpe-173-89-152-130.new.res.rr.com
173.89.153.38	A+PTR	cpe-173-89-153-38.new.res.rr.com
173.89.153.174	A+PTR	cpe-173-89-153-174.new.res.rr.com
173.89.153.174	A	mysouthpark.net
173.89.155.49	A	elockworks.dyndns.org
173.89.156.10	A	inphotonix.com
173.89.157.71	A+PTR	cpe-173-89-157-71.new.res.rr.com
173.89.157.71	A	www.jtryba.com
173.89.157.168	A+PTR	cpe-173-89-157-168.new.res.rr.com
173.89.157.168	A	forums.jtryba.com
173.89.157.209	PTR	cpe-173-89-157-209.new.res.rr.com
173.89.158.55	A+PTR	cpe-173-89-158-55.new.res.rr.com
173.89.158.55	A	webmaginationllc.com
173.89.158.73	PTR	cpe-173-89-158-73.new.res.rr.com
173.89.158.225	PTR	cpe-173-89-158-225.new.res.rr.com
173.89.159.206	A+PTR	cpe-173-89-159-206.new.res.rr.com