Robtex

Up: 27.131.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 27.131.64.0/23
Down right: 27.131.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.131.65.2	PTR	ns4.m21dns.net
27.131.65.2	A	ns4.agentc.com.au
27.131.65.2	A	ns4.smghq-cp.com.au
27.131.65.20	A	ns4.absh.net.au
27.131.65.20	A	cdns4.m21dns.net
27.131.65.20	A	ns4.fastdns.com.au
27.131.65.34	A	ns1.matajasmedia.com
27.131.65.34	A	globalcyclerides.com
27.131.65.34	A	cp-wil-m-001.m21dns.net
27.131.65.36	A	ilovemepets.com
27.131.65.36	A	dc-b6a2e572.amywinehouseforever.org
27.131.65.111	A	ewb.ca
27.131.65.111	A	utoronto.ewb.ca
27.131.66.2	PTR	ns1.dnsrecord.com.au
27.131.66.2	A	ns12.networkdynamics.com.au
27.131.66.2	A	ns1.wordpresshosting.net.au
27.131.66.3	PTR	ns2.dnsrecord.com.au
27.131.66.5	PTR	blade1.networkdynamics.com.au
27.131.66.5	A	mail.wplite.com
27.131.66.5	A	mailfilter.com.au
27.131.66.6	PTR	server-1006.wphosting.com.au
27.131.66.6	A	findpub.com.au
27.131.66.7	PTR	server-1002.wphosting.com.au
27.131.66.8	PTR	blade3.networkdynamics.com.au
27.131.66.8	A	fsia.com.au
27.131.66.8	A	pointfinancial.com.au
27.131.66.9	PTR	server-1005.wphosting.com.au
27.131.66.9	A	coolgroup.com.au
27.131.66.10	PTR	server-1008.wphosting.com.au
27.131.66.16	A	wpmail.bettereval.org
27.131.66.16	A	wpmail.betterevaluation.com
27.131.66.24	PTR	server-1004.wphosting.com.au
27.131.66.24	A	in2gardens.com.au
27.131.66.24	A	bicycletorque.com
27.131.66.54	A	ozskin.com.au
27.131.66.66	A	alan.networkdynamics.com.au
27.131.66.169	A	disruptdevs.com.au
27.131.66.172	A	funkybluesoul.com
27.131.66.220	A	iqxsoftware.com