Robtex

Up: 223.30.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 223.30.0.0/21
Down right: 223.30.8.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
223.30.0.0	PTR	segment-223-30.sify.net
223.30.1.0	PTR	segment-223-30.sify.net
223.30.1.66	PTR	segment-223-30.sify.net
223.30.1.106	A	devmca.irisbusiness.com
223.30.1.112	PTR	segment-223-30.sify.net
223.30.1.129	PTR	segment-223-30.sify.net
223.30.1.146	A	mail1.irisindia.net
223.30.1.161	PTR	segment-223-30.sify.net
223.30.1.176	PTR	segment-223-30.sify.net
223.30.2.0	PTR	segment-223-30.sify.net
223.30.2.81	PTR	segment-223-30.sify.net
223.30.2.81	A	mail.rebackoffice.com
223.30.2.81	A	mail.surmountenergy.com
223.30.2.82	A	ezsense.in
223.30.2.83	PTR	hosting1.maxval.net
223.30.2.85	A	mail.buildtrack.in
223.30.2.89	A	mail.rebackoffice.com
223.30.2.140	A	travelatease.co.in
223.30.2.163	PTR	segment-223-30.sify.net
223.30.3.0	PTR	segment-223-30.sify.net
223.30.3.76	A	mail1.prismcement.com
223.30.3.76	A	mail.prismcement.com
223.30.3.130	PTR	segment-223-30.sify.net
223.30.4.0	PTR	segment-223-30.sify.net
223.30.5.0	PTR	segment-223-30.sify.net
223.30.5.16	PTR	segment-223-30.sify.net
223.30.5.114	PTR	segment-223-30.sify.net
223.30.6.0	PTR	segment-223-30.sify.net
223.30.6.202	A	stxavierspatna.com
223.30.6.202	A	acceltechindia.com
223.30.7.19	PTR	segment-223-30.sify.net
223.30.7.177	PTR	segment-223-30.sify.net
223.30.7.226	A+PTR	mail.dspcoopbank.com
223.30.7.226	A+PTR	dspcoopbank.com
223.30.7.226	A	smtp.dspcoopbank.com
223.30.7.242	A	masspl.co.in
223.30.7.245	A	mail.masspl.in
223.30.8.0	PTR	segment-223-30.sify.net
223.30.9.34	PTR	segment-223-30.sify.net
223.30.9.43	A	mail.spml.co.in
223.30.9.51	PTR	segment-223-30.sify.net
223.30.9.115	PTR	segment-223-30.sify.net
223.30.10.75	A+PTR	mail.sonataindia.com
223.30.10.75	A	sonataindia.com
223.30.10.76	A	s-mart.co.in
223.30.10.76	A	mail2.s-mart.co.in
223.30.12.116	A	mail.vishwakinc.com
223.30.12.117	A	mail.vishwak.us
223.30.12.123	A	mail.vishwaksolution.com
223.30.12.125	A	chnvishwak.com
223.30.13.2	A+PTR	mail2.vct.co.in
223.30.13.5	A+PTR	www.vct.co.in
223.30.13.5	A	vct.co.in
223.30.13.68	A	ns1.britainindiaconvention.com
223.30.13.69	PTR	tirupatihelpline.co.in
223.30.13.99	PTR	mail.sugunafoods.co.in
223.30.13.99	A	mail.bovianhealthcare.com
223.30.13.99	A	sbg.bovianhealthcare.com
223.30.13.107	PTR	sughbd.sugunapoultry.com
223.30.13.146	PTR	segment-223-30.sify.net
223.30.13.150	PTR	segment-223-30.sify.net
223.30.13.174	PTR	segment-223-30.sify.net
223.30.14.73	A	3dsecure.payseal.com
223.30.15.53	A	mail1.thirumalaichemicals.com
223.30.15.53	A	dmssmail.thirumalaichemicals.com
223.30.15.97	PTR	segment-223-30.sify.net
223.30.15.97	A	mail.higgins.in
223.30.15.98	PTR	segment-223-30.sify.net
223.30.15.98	A	dixcyscott.biz
223.30.15.99	PTR	mail.dixcy.co.in