Robtex

Up: 27.64.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 27.65.0.0/17
Down right: 27.65.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.65.0.1	PTR	localhost
27.65.0.5	PTR	localhost
27.65.0.8	PTR	localhost
27.65.1.9	PTR	localhost
27.65.1.21	PTR	localhost
27.65.4.74	PTR	localhost
27.65.4.74	A	wanvdi.com
27.65.33.116	PTR	localhost
27.65.37.45	PTR	localhost
27.65.37.173	PTR	localhost
27.65.45.45	PTR	localhost
27.65.49.13	PTR	localhost
27.65.49.37	PTR	localhost
27.65.49.41	PTR	localhost
27.65.49.44	PTR	localhost
27.65.51.45	PTR	localhost
27.65.53.45	PTR	localhost
27.65.57.45	PTR	localhost
27.65.61.105	PTR	localhost
27.65.61.105	A	www.hangtieudung.info
27.65.61.105	A	muasam77.info
27.65.101.85	PTR	localhost
27.65.113.45	PTR	localhost
27.65.129.61	PTR	localhost
27.65.161.13	PTR	localhost
27.65.164.45	PTR	localhost
27.65.165.41	PTR	localhost
27.65.165.45	PTR	localhost
27.65.165.173	PTR	localhost
27.65.192.214	PTR	localhost
27.65.192.214	A	erp.hoasenholdings.vn
27.65.194.38	PTR	localhost
27.65.194.38	A	elearning.vlute.edu.vn
27.65.194.38	A	test.vlute.edu.vn
27.65.196.192	A	smtp.saigonco-op.vn
27.65.196.192	A	mail.coopmart.vn
27.65.196.192	A	smtp.coopmart.vn
27.65.196.193	A	smtp.saigonco-op.vn
27.65.196.193	A	smtp.coopmart.vn
27.65.196.193	A	smtp.saigonco-op.com.vn
27.65.196.200	A	smtp.saigonco-op.vn
27.65.196.200	A	smtp.coopmart.vn
27.65.196.200	A	smtp.saigonco-op.com.vn
27.65.196.201	A	smtp.saigonco-op.vn
27.65.196.201	A	mail.coopmart.vn
27.65.196.201	A	smtp.coopmart.vn
27.65.197.3	PTR	localhost
27.65.197.3	A	ns3.yuanta.com.vn
27.65.197.3	A	ns3.ysfuture.vn
27.65.197.11	A	mapi.yuanta.com.vn
27.65.197.12	PTR	localhost
27.65.197.12	A	yswinner.yuanta.com.vn
27.65.197.14	PTR	localhost
27.65.198.2	A	mb.vietbank.com.vn
27.65.198.184	A+PTR	mailpos.ptsc.com.vn
27.65.198.185	A+PTR	mail.ptsc.com.vn
27.65.201.187	A	mail.tyxuan.com.vn
27.65.237.150	PTR	localhost
27.65.237.150	A	nguoixedich.com
27.65.248.70	PTR	localhost
27.65.248.176	PTR	localhost
27.65.248.176	A	rabotavnebe.net
27.65.253.97	PTR	localhost