Robtex

Up: 61.12.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 61.12.0.0/23
Down right: 61.12.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.12.0.0	PTR	del-static-0-0-12-61.direct.net.in
61.12.0.1	PTR	del-static-1-0-12-61.direct.net.in
61.12.0.35	PTR	webmail.phdcci.in
61.12.0.35	PTR	del-static-35-0-12-61.direct.net.in
61.12.0.36	PTR	del-static-36-0-12-61.direct.net.in
61.12.0.38	PTR	del-static-38-0-12-61.direct.net.in
61.12.0.38	A	webmail.phdcci.in
61.12.0.41	PTR	del-static-41-0-12-61.direct.net.in
61.12.0.42	PTR	del-static-42-0-12-61.direct.net.in
61.12.0.54	PTR	del-static-54-0-12-61.direct.net.in
61.12.0.83	A	mail.loescheindia.com
61.12.0.84	PTR	virgo.loescheindia.com
61.12.0.84	PTR	leo.loescheindia.com
61.12.0.92	PTR	del-static-92-0-12-61.direct.net.in
61.12.0.101	PTR	orientcraft.com
61.12.0.101	A	orientcraft.co.in
61.12.0.105	PTR	del-static-105-0-12-61.direct.net.in
61.12.0.131	A	www.resourcedatamine.com
61.12.0.131	A	resourcedatamine.com
61.12.0.132	PTR	del-static-132-0-12-61.direct.net.in
61.12.0.132	A	mail.netedgeinfotec.com
61.12.0.135	A+PTR	netedgecomputing.com
61.12.0.135	A	mail.netedgeinfotec.com
61.12.0.135	A	netedgeinfotec.com
61.12.0.136	A	themallofindia.com
61.12.0.137	PTR	del-static-137-0-12-61.direct.net.in
61.12.0.137	A	mail.travelindelhi.in
61.12.0.137	A	onlinefreebingogame.com
61.12.0.141	PTR	myupdateinfo.com
61.12.0.141	A	autodataleads.com
61.12.0.178	PTR	del-static-178-0-12-61.direct.net.in
61.12.0.196	PTR	del-static-196-0-12-61.direct.net.in
61.12.0.211	PTR	del-static-211-0-12-61.direct.net.in
61.12.0.216	PTR	del-static-216-0-12-61.direct.net.in
61.12.0.249	PTR	del-static-249-0-12-61.direct.net.in
61.12.1.3	PTR	del-static-3-1-12-61.direct.net.in
61.12.1.9	PTR	del-static-9-1-12-61.direct.net.in
61.12.1.17	PTR	del-static-17-1-12-61.direct.net.in
61.12.1.24	PTR	del-static-24-1-12-61.direct.net.in
61.12.1.45	PTR	del-static-45-1-12-61.direct.net.in
61.12.1.46	PTR	del-static-46-1-12-61.direct.net.in
61.12.1.50	PTR	del-static-50-1-12-61.direct.net.in
61.12.1.74	PTR	del-static-74-1-12-61.direct.net.in
61.12.1.75	PTR	del-static-75-1-12-61.direct.net.in
61.12.1.79	PTR	del-static-79-1-12-61.direct.net.in
61.12.1.84	PTR	netedgemail.com
61.12.1.84	A	netedgemall.com
61.12.1.84	A	mail.netedgemall.com
61.12.1.86	A+PTR	netservices.in
61.12.1.86	A	mail.netservices.in
61.12.1.89	PTR	del-static-89-1-12-61.direct.net.in
61.12.1.91	PTR	contactupdateservice.com
61.12.1.102	PTR	del-static-102-1-12-61.direct.net.in
61.12.1.111	PTR	del-static-111-1-12-61.direct.net.in
61.12.1.112	PTR	del-static-112-1-12-61.direct.net.in
61.12.1.114	PTR	del-static-114-1-12-61.direct.net.in
61.12.1.132	PTR	del-static-132-1-12-61.direct.net.in
61.12.1.144	PTR	del-static-144-1-12-61.direct.net.in
61.12.1.145	PTR	del-static-145-1-12-61.direct.net.in
61.12.1.146	PTR	del-static-146-1-12-61.direct.net.in
61.12.1.147	PTR	del-static-147-1-12-61.direct.net.in
61.12.1.152	PTR	del-static-152-1-12-61.direct.net.in
61.12.1.201	PTR	del-static-201-1-12-61.direct.net.in
61.12.1.234	PTR	del-static-234-1-12-61.direct.net.in
61.12.1.236	PTR	del-static-236-1-12-61.direct.net.in
61.12.1.246	PTR	del-static-246-1-12-61.direct.net.in
61.12.1.247	PTR	del-static-247-1-12-61.direct.net.in
61.12.2.116	PTR	del-static-116-2-12-61.direct.net.in
61.12.2.125	PTR	del-static-125-2-12-61.direct.net.in
61.12.2.193	PTR	del-static-193-2-12-61.direct.net.in
61.12.2.195	PTR	del-static-195-2-12-61.direct.net.in
61.12.2.224	PTR	del-static-224-2-12-61.direct.net.in
61.12.2.230	PTR	mail.a2zemail.com
61.12.2.232	PTR	mail2.a2zemail.com
61.12.2.237	PTR	del-static-237-2-12-61.direct.net.in
61.12.3.6	PTR	del-static-6-3-12-61.direct.net.in
61.12.3.36	PTR	del-static-36-3-12-61.direct.net.in
61.12.3.90	PTR	del-static-90-3-12-61.direct.net.in
61.12.3.90	A	aequor.in
61.12.3.99	PTR	del-static-99-3-12-61.direct.net.in
61.12.3.99	A	wimax.bsnl.in
61.12.3.99	A	www.wimax.bsnl.in
61.12.3.134	PTR	del-static-134-3-12-61.direct.net.in
61.12.3.166	PTR	del-static-166-3-12-61.direct.net.in
61.12.3.166	A	mail.ptirco.com
61.12.3.169	PTR	del-static-169-3-12-61.direct.net.in
61.12.3.186	PTR	del-static-186-3-12-61.direct.net.in
61.12.3.207	PTR	del-static-207-3-12-61.direct.net.in
61.12.3.250	PTR	del-static-250-3-12-61.direct.net.in