Robtex

Up: 220.227.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 220.227.0.0/22
Down right: 220.227.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.227.0.72	PTR	mail1.map-id.com
220.227.0.171	PTR	bppl.net.in
220.227.0.174	PTR	bppl.net.in
220.227.1.186	A	st-groups.com
220.227.1.188	PTR	gateway.stinfosys.com
220.227.1.188	A	gateway1.stinfosys.com
220.227.1.190	PTR	mail.stinfosys.com
220.227.1.190	A	mail1.stinfosys.com
220.227.2.10	A	anokhi.net
220.227.2.107	PTR	mail3.securemeters.com
220.227.2.107	A	mail3.entity-solutions.com
220.227.2.107	A	mail1.datagenservices.com
220.227.2.110	A	audititdistribution.online
220.227.2.168	PTR	www.genus.in
220.227.2.169	PTR	www.genus.in
220.227.2.170	PTR	www.genus.in
220.227.2.171	PTR	www.genus.in
220.227.2.192	PTR	www.genus.in
220.227.2.193	PTR	www.genus.in
220.227.2.194	PTR	www.genus.in
220.227.2.195	PTR	www.genus.in
220.227.2.200	PTR	mail.genus.in
220.227.2.203	PTR	mail.genus.in
220.227.2.204	PTR	mail.genus.in
220.227.4.2	PTR	220-227-4.2.uclix.net
220.227.4.4	PTR	220-227-4.4.uclix.net
220.227.4.75	PTR	220-227-4.75.uclix.net
220.227.4.98	PTR	220-227-4.98.uclix.net
220.227.4.102	PTR	220-227-4.102.uclix.net
220.227.4.130	PTR	220-227-4.130.uclix.net
220.227.4.178	PTR	220-227-4.178.uclix.net
220.227.5.142	A	mail.ocapindia.com
220.227.6.10	PTR	mail.espire.com
220.227.6.12	PTR	email.espireinfo.com
220.227.6.20	PTR	mail.raiuniversity.edu
220.227.6.20	PTR	mail.publicpolicy.in
220.227.6.20	PTR	mail.raifoundation.org
220.227.6.21	PTR	mail.radcliffe.in
220.227.6.22	PTR	mail.\032brentwoodsinfra.com
220.227.6.22	PTR	mail.brentwoodsclub.com
220.227.6.22	PTR	mail.wellesleycorp.com
220.227.6.89	PTR	mail.aall.in
220.227.6.135	A+PTR	mail.espire.com
220.227.6.135	A	email.espireinfo.com
220.227.6.135	A	email.espire.in
220.227.6.136	A	mail.countryinn.in