Robtex

Up: 205.201.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 205.201.44.0/23
Down right: 205.201.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
205.201.44.1	A+PTR	1.44.static.informz.net
205.201.44.2	PTR	nz.com
205.201.44.12	A+PTR	12.44.static.informz.net
205.201.44.29	A+PTR	29.44.static.informz.net
205.201.44.31	A+PTR	mx-205-201-44-31.informz.net
205.201.44.32	A+PTR	mx-205-201-44-32.informz.net
205.201.44.33	A+PTR	mx-205-201-44-33.informz.net
205.201.44.34	A+PTR	mx-205-201-44-34.informz.net
205.201.44.37	PTR	sconz.com
205.201.44.45	PTR	cyberlink.co.nz
205.201.44.46	A+PTR	46.44.static.informz.net
205.201.44.101	A	101.44.static.informz.net
205.201.44.159	A+PTR	159.44.static.informz.net
205.201.44.161	A+PTR	161.44.static.informz.net
205.201.44.165	A+PTR	165.44.static.informz.net
205.201.44.180	A+PTR	180.44.static.informz.net
205.201.44.183	A+PTR	mx-205-201-44-183.informz.net
205.201.44.202	A+PTR	202.44.static.informz.net
205.201.44.203	A+PTR	203.44.static.informz.net
205.201.44.207	A+PTR	207.44.static.informz.net
205.201.44.208	A+PTR	208.44.static.informz.net
205.201.44.237	A+PTR	237.44.static.informz.net
205.201.44.252	A+PTR	252.44.static.informz.net
205.201.45.1	PTR	master-gw.lm.net
205.201.45.10	A	icd-ab2calgary.informz.ca
205.201.45.14	PTR
205.201.45.14	A+PTR	mykebox.con.com
205.201.45.15	PTR
205.201.45.29	PTR	saga.irc.net
205.201.45.29	A	yeux.bleu.irc.net
205.201.45.29	A	saga.horph.com
205.201.45.80	PTR	allocated
205.201.45.152	A+PTR	mx-205-201-45-152.informz.net
205.201.45.152	A	ns1.telerama.com
205.201.45.153	A+PTR	resolver.telerama.com
205.201.45.210	PTR	paperboy.telerama.com
205.201.46.0	PTR	mail.46.0.mmsend.com
205.201.46.8	A	mail.mmsend.com
205.201.46.22	A	mmsend94.com
205.201.46.22	A	mmsend58.com
205.201.46.22	A	mmsend72.com
205.201.46.112	PTR	mail.46.112.mmsend.com
205.201.46.165	PTR	mail.46.165.mmsend.com
205.201.47.1	PTR	adam.aii.edu