Robtex

Up: 182.73.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 182.73.144.0/23
Down right: 182.73.146.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.73.146.4	A	noviavia.com
182.73.146.6	A	aapnainfotech.in
182.73.146.6	A	aapnademo.com
182.73.146.6	A	mx.aapnademo.com
182.73.146.26	A	pcjhrms.com
182.73.146.26	A	pcjmail.com
182.73.146.203	A+PTR	mail1.safdarjang.com
182.73.146.211	A	mx.teamaviation.in
182.73.146.213	A+PTR	mx1.teamaviation.in
182.73.146.213	A+PTR	mx1.cglindia.net
182.73.146.213	PTR	mx1.meeraenterprises.org
182.73.146.214	A	mx2.teamaviation.in
182.73.147.3	A+PTR	sit.ac.in
182.73.147.3	A	www.sit.ac.in
182.73.147.43	A	pskgroup.co.in
182.73.147.68	A	www.nlcindia.com
182.73.147.70	A	mail.nlcindia.com
182.73.147.72	A	web.nlcindia.com
182.73.147.91	A	lpns2.nlcindia.com
182.73.147.117	A	worldwidesubmit.com
182.73.147.117	A	mail.worldwidesubmit.com
182.73.147.120	PTR	asecin.co.in
182.73.147.123	A	zimbramail.businesssubmission.com
182.73.147.123	A	zimbramail.directorysubmissionweb.com
182.73.147.123	A	zimbramail.submissionweblisting.com