Robtex

Up: 96.9.88.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 96.9.90.0/24
Down right: 96.9.91.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
96.9.90.23	PTR	smtp.issrcambodia.net
96.9.90.23	A	bcis-cambodia.info
96.9.90.23	A	issr-cambodia.com
96.9.90.61	PTR	61.90.9.96.sinet.com.kh
96.9.90.97	PTR	97.90.9.96.sinet.com.kh
96.9.90.124	PTR	124.90.9.96.sinet.com.kh
96.9.90.255	PTR	255.90.9.96.sinet.com.kh
96.9.91.4	PTR	4.91.9.96.sinet.com.kh
96.9.91.18	PTR	18.91.9.96.sinet.com.kh
96.9.91.51	PTR	51.91.9.96.sinet.com.kh
96.9.91.74	PTR	74.91.9.96.sinet.com.kh
96.9.91.101	PTR	101.91.9.96.sinet.com.kh
96.9.91.107	PTR	107.91.9.96.sinet.com.kh
96.9.91.132	PTR	132.91.9.96.sinet.com.kh
96.9.91.172	PTR	172.91.9.96.sinet.com.kh
96.9.91.179	PTR	179.91.9.96.sinet.com.kh
96.9.91.189	PTR	189.91.9.96.sinet.com.kh
96.9.91.205	PTR	205.91.9.96.sinet.com.kh
96.9.91.217	PTR	217.91.9.96.sinet.com.kh
96.9.91.230	PTR	230.91.9.96.sinet.com.kh
96.9.91.233	PTR	233.91.9.96.sinet.com.kh