Robtex

Up: 165.21.74.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 165.21.74.0/25
Down right: 165.21.74.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
165.21.74.2	A+PTR	carbon.singnet.com.sg
165.21.74.7	A+PTR	helium.singnet.com.sg
165.21.74.11	A	pop01z.singnet.com.sg
165.21.74.12	A+PTR	pop02z.singnet.com.sg
165.21.74.17	PTR	pop07z.singnet.com.sg
165.21.74.18	A+PTR	pop08z.singnet.com.sg
165.21.74.19	PTR	pop09z.singnet.com.sg
165.21.74.20	A	pop10z.singnet.com.sg
165.21.74.27	A	argon.singnet.com.sg
165.21.74.28	PTR	y1-cat65.singnet.com.sg
165.21.74.45	A+PTR	mx20.singnet.com.sg
165.21.74.48	PTR	w3.singnet.com.sg
165.21.74.52	PTR	sparrow.commerceasia.com
165.21.74.55	PTR	falcondedicated.commerceasia.com
165.21.74.59	PTR	www.singnet.com.sg
165.21.74.59	A	finance.singnet.com.sg
165.21.74.59	A	my.singnet.com.sg
165.21.74.65	A	imasmtp05.singnet.com.sg
165.21.74.67	A+PTR	mx19.singnet.com.sg
165.21.74.70	A	selenium.singnet.com.sg
165.21.74.74	PTR	my.singnet.com.sg
165.21.74.88	PTR	www.mysingtel.com.sg
165.21.74.88	A	www-tmp.mysingtel.com.sg
165.21.74.88	A	mysingtel.com
165.21.74.90	A	hafnium.singnet.com.sg
165.21.74.98	A	mx53.singnet.com.sg
165.21.74.108	A	mx-comm-a.singnet.com.sg
165.21.74.109	A	ruthenium.singnet.com.sg
165.21.74.110	A	ruthenium.singnet.com.sg
165.21.74.112	PTR	mx23.singnet.com.sg
165.21.74.113	PTR	mx13.singnet.com.sg
165.21.74.114	A+PTR	mx14.singnet.com.sg
165.21.74.115	A+PTR	mx15.singnet.com.sg
165.21.74.116	A+PTR	mx16.singnet.com.sg
165.21.74.117	A+PTR	mx17.singnet.com.sg
165.21.74.118	A+PTR	mx18.singnet.com.sg
165.21.74.120	A	zapsurf.sg
165.21.74.121	PTR	mx11.singnet.com.sg
165.21.74.122	A+PTR	mx12.singnet.com.sg
165.21.74.123	PTR	www.commerceasia.com
165.21.74.155	A	ipass25.singnet.com.sg
165.21.74.201	A	roam007.singnet.com.sg
165.21.74.202	A	roam008.singnet.com.sg
165.21.74.207	A	roam013.singnet.com.sg
165.21.74.210	A	roam016.singnet.com.sg
165.21.74.212	A	roam018.singnet.com.sg
165.21.74.214	A	roam020.singnet.com.sg
165.21.74.217	A+PTR	roam023.singnet.com.sg
165.21.74.219	A	roam025.singnet.com.sg
165.21.74.221	A	roam027.singnet.com.sg
165.21.74.222	A	roam028.singnet.com.sg
165.21.74.223	A	roam029.singnet.com.sg
165.21.74.224	A	roam030.singnet.com.sg