Robtex

Up: 27.68.0.0/14
Can't show all results, try to descend to a more specific CIDR
Down left: 27.70.0.0/16
Down right: 27.71.0.0/16
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.70.0.2	PTR	localhost
27.70.0.7	PTR	localhost
27.70.4.2	PTR	localhost
27.70.19.2	PTR	localhost
27.70.40.248	PTR	localhost
27.70.130.82	PTR	localhost
27.70.134.169	PTR	localhost
27.70.135.23	PTR	localhost
27.70.135.162	PTR	localhost
27.70.140.144	PTR	localhost
27.70.153.187	PTR	localhost
27.70.159.63	PTR	localhost
27.70.159.63	A	daythemductin.com
27.70.159.63	A	mail.daythemductin.com
27.70.163.90	PTR	localhost
27.70.163.90	A	srohoavuong.cf
27.70.163.90	A	www.srohoavuong.cf
27.70.177.107	PTR	localhost
27.70.177.196	PTR	localhost
27.70.177.196	A	mail.ytnh.com.vn
27.70.177.196	A	ytnh.com.vn
27.70.188.106	PTR	localhost
27.70.191.44	PTR	localhost
27.70.191.44	A	thehaiyen.com
27.70.199.116	PTR	localhost
27.70.210.2	PTR	localhost
27.70.221.38	PTR	localhost
27.70.221.38	A	uivrelien.us
27.71.0.12	PTR	localhost
27.71.1.1	PTR	localhost
27.71.10.36	PTR	localhost
27.71.10.36	A	respectamour.us
27.71.28.48	PTR	localhost
27.71.28.54	PTR	localhost
27.71.28.142	PTR	localhost
27.71.28.150	PTR	localhost
27.71.30.2	PTR	localhost
27.71.33.94	A	twtc.tmctx.com
27.71.82.63	PTR	localhost
27.71.106.113	PTR	localhost
27.71.110.55	A	epass-vdtc.com.vn
27.71.143.156	PTR	localhost
27.71.143.156	A	trungtamcokhuyen.com
27.71.167.71	PTR	localhost
27.71.194.10	PTR	localhost
27.71.204.11	PTR	localhost
27.71.204.234	PTR	localhost
27.71.206.34	PTR	localhost
27.71.206.195	PTR	localhost
27.71.207.98	A	pvp-camau.vn
27.71.208.57	PTR	localhost
27.71.209.35	PTR	localhost
27.71.209.177	PTR	localhost
27.71.224.16	A	hoangocfood.com
27.71.224.18	A	dc-7f24be2884b6.tinphat.com
27.71.224.19	A	www.mechat.vn
27.71.224.19	A	dvchat.cf
27.71.226.8	A	media.dautuvietnam.com.vn
27.71.226.8	A	dautuvietnam.com.vn
27.71.226.9	A	vietbuildplus.vn
27.71.226.9	A	www.vietbuildplus.vn
27.71.228.6	A	habee.vn
27.71.228.31	A	www.reti.vn
27.71.228.31	A	reti.vn
27.71.228.60	A	itraining.vn
27.71.232.16	A	www.tinyprettycake.com
27.71.232.16	A	salesdy.com
27.71.232.16	A	mail.ziza.vn
27.71.232.24	A	bhs-technology.net
27.71.234.39	A	traxanhc2.com
27.71.234.95	A	cloudsms2.vietguys.biz
27.71.234.161	A	www.speedllove.com
27.71.234.206	A	vin-hoadon.com
27.71.237.134	A	pgi.com.vn
27.71.238.28	A	greenhouseagency.com.vn
27.71.238.213	A	masocongty.vn
27.71.240.12	PTR	localhost
27.71.240.12	A	r1.sn-8pxuuxa-jmgz.googlevideo.com
27.71.240.15	PTR	localhost
27.71.240.15	A	r4.sn-8pxuuxa-jmgz.googlevideo.com
27.71.240.16	PTR	localhost
27.71.240.16	A	r5.sn-8pxuuxa-jmgz.googlevideo.com
27.71.240.17	PTR	localhost
27.71.240.17	A	r6.sn-8pxuuxa-jmgz.googlevideo.com
27.71.242.12	PTR	localhost
27.71.242.12	A	r1.sn-8pxuuxa-i2id.googlevideo.com
27.71.242.13	PTR	localhost
27.71.242.13	A	r2.sn-8pxuuxa-i2id.googlevideo.com
27.71.242.14	PTR	localhost
27.71.242.14	A	r3.sn-8pxuuxa-i2id.gvt1.com
27.71.242.14	A	r3.sn-8pxuuxa-i2id.googlevideo.com
27.71.242.15	PTR	localhost
27.71.244.76	PTR	localhost
27.71.244.76	A	r1.sn-8pxuuxa-8j5e7.googlevideo.com
27.71.244.76	A	r1.sn-8pxuuxa-8j5e7.gvt1.com
27.71.244.77	PTR	localhost
27.71.244.77	A	r2.sn-8pxuuxa-8j5e7.googlevideo.com
27.71.244.140	PTR	localhost
27.71.244.140	A	r1.sn-8pxuuxa-8j5ee.googlevideo.com
27.71.244.141	PTR	localhost
27.71.246.76	PTR	localhost
27.71.246.76	A	r1.sn-8pxuuxa-2m0e7.googlevideo.com
27.71.246.76	A	r1.sn-8pxuuxa-2m0e7.gvt1.com
27.71.246.77	PTR	localhost
27.71.246.77	A	r2.sn-8pxuuxa-2m0e7.gvt1.com
27.71.246.140	PTR	localhost
27.71.246.140	A	r1.sn-8pxuuxa-nbozd.googlevideo.com
27.71.246.141	PTR	localhost
27.71.251.199	PTR	localhost
27.71.251.199	A	nghidinh15.vfa.gov.vn
27.71.251.212	PTR	localhost
27.71.251.212	A	hssk.ytecoso.vn
27.71.255.172	PTR	localhost
27.71.255.255	PTR	localhost