Robtex

Up: 118.201.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 118.201.48.0/23
Down right: 118.201.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
118.201.48.67	A	mail.ssa.org.sg
118.201.48.74	PTR	mail.millionlighting.com
118.201.48.74	PTR	mail.mlite.com.sg
118.201.48.74	PTR	mail.tess.com.sg
118.201.48.99	A	webmail.stemcord.com
118.201.48.227	A	vdns.cathay.com.sg
118.201.48.229	A	vdns.cathay.com.sg
118.201.48.240	A+PTR	smtp.cathay.com.sg
118.201.48.240	A	pop.thecathayrestaurant.com.sg
118.201.48.240	A	mail.cathaycineplexes.com.my
118.201.48.246	A+PTR	booking.cathay.com.sg
118.201.48.246	A	booking.cathaycineplexes.com.sg
118.201.48.247	A	tickets.cathay.com.sg
118.201.48.248	A+PTR	smtp2.cathay.com.sg
118.201.48.248	A	pop.hangouthotels.com
118.201.48.249	PTR	eleave.cathay.com.sg
118.201.48.252	A+PTR	www.cathay.com.sg
118.201.48.252	A	cathay.com.sg
118.201.48.252	A	www.cathaycineplexes.com.sg
118.201.50.149	A	mail2.custodio.com.sg
118.201.50.155	A	remote.yawngiap.com
118.201.50.155	A	yawngiap.com
118.201.51.100	A	vdns.cathay.com.sg
118.201.51.112	A+PTR	smtp4.cathay.com.sg
118.201.51.112	A	mx2.cathaycineplexes.com.sg
118.201.51.120	A+PTR	smtp3.cathay.com.sg
118.201.51.165	A	singaporesummit.sg
118.201.51.216	A	mail.whchem.com
118.201.51.228	A	ns2.clarynchong.com
118.201.51.228	A	ns2.isrship.com
118.201.51.228	A	ns2.marincos.com
118.201.51.229	PTR	mail.maritimechain.com
118.201.51.232	A	www.niueship.com
118.201.51.232	A	niueship.com
118.201.51.233	A	tvoffshorecompanies.com
118.201.51.234	A	www.tvship.com
118.201.51.247	A	manado.com.au
118.201.51.247	A	www.manado.com.au
118.201.51.252	A	blog.clarynchong.com