Robtex

Up: 202.172.44.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 202.172.45.0/25
Down right: 202.172.45.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.172.45.50	PTR	mail.csclean.com.sg
202.172.45.50	A	mail1.csclean.com.sg
202.172.45.50	A	mail2.csclean.com.sg
202.172.45.51	PTR	51.202-172-45.static.qala.com.sg
202.172.45.51	A	mail1.gtx.com.sg
202.172.45.51	A	mail1.pct-ct.com
202.172.45.54	PTR	mail.csclean.com.sg
202.172.45.56	PTR	56.202.172.45.static.qala.com.sg
202.172.45.57	PTR	57.202.172.45.static.qala.com.sg
202.172.45.60	PTR	mail.csclean.com.cn
202.172.45.60	A	mail1.gtx.com.sg
202.172.45.60	A	mail2.gtx.com.sg
202.172.45.61	PTR	61.202.172.45.static.qala.com.sg
202.172.45.61	A	mail.cscleansys.com.sg
202.172.45.61	A	mail.gtx.com.sg
202.172.45.99	PTR	mail.asj.com.sg
202.172.45.104	A	104.202-172-45.static.qala.com.sg
202.172.45.198	PTR	mail.bizap.net
202.172.45.201	A+PTR	201.202-172-45.static.qala.com.sg
202.172.45.201	A	tcadelaide.com.au