Robtex

Up: 43.245.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 43.245.252.0/23
Down right: 43.245.254.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
43.245.253.11	A+PTR	s1.hostedmail.cc
43.245.253.12	A	s2.hostedmail.cc
43.245.253.13	A+PTR	s3.hostedmail.cc
43.245.253.16	A+PTR	s6.hostedmail.cc
43.245.253.18	A+PTR	s8.hostedmail.cc
43.245.253.19	PTR	s9.hostedmail.cc
43.245.253.24	A	mail.exchangemail.hk
43.245.253.25	A+PTR	s15.hostedmail.cc
43.245.253.25	A	mail6.hosting.net.hk
43.245.253.30	A+PTR	s20.hostedmail.cc
43.245.253.30	A	mail.softtech-systems.com
43.245.253.32	A	s22.hostedmail.cc
43.245.253.36	PTR	s26.hostedmail.cc
43.245.253.36	A	mail.oym-logistics.com
43.245.253.41	PTR	mail201.hostedmail.cc
43.245.253.41	A	jmjm18.com
43.245.253.41	A	chuishanyogaco.com