Robtex

Up: 27.72.0.0/13
Can't show all results, try to descend to a more specific CIDR
Down left: 27.76.0.0/15
Down right: 27.78.0.0/15
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.76.0.0	PTR	localhost
27.76.4.2	PTR	localhost
27.76.5.42	PTR	localhost
27.76.5.42	A	123imdb.com
27.76.8.208	PTR	localhost
27.76.8.208	A	giaybongda.biz
27.76.9.169	PTR	localhost
27.76.10.61	A	y1n9.info
27.76.22.61	PTR	localhost
27.76.23.208	PTR	localhost
27.76.29.2	PTR	localhost
27.76.54.35	PTR	localhost
27.76.58.56	PTR	localhost
27.76.61.184	PTR	localhost
27.76.64.192	PTR	localhost
27.76.64.192	A	thaiduongvn.com
27.76.70.58	PTR	localhost
27.76.70.197	A	sytinh.com
27.76.81.221	PTR	localhost
27.76.84.127	PTR	localhost
27.76.86.101	PTR	localhost
27.76.92.127	PTR	localhost
27.76.92.166	PTR	localhost
27.76.94.175	PTR	localhost
27.76.96.174	PTR	localhost
27.76.99.189	PTR	localhost
27.76.101.190	PTR	localhost
27.76.101.247	PTR	localhost
27.76.104.201	PTR	localhost
27.76.108.102	PTR	localhost
27.76.112.144	PTR	localhost
27.76.124.195	PTR	localhost
27.76.126.209	A	minhlaso1.dyndns.org
27.76.128.50	PTR	localhost
27.76.131.68	PTR	localhost
27.76.131.206	PTR	localhost
27.76.132.74	PTR	localhost
27.76.132.124	PTR	localhost
27.76.136.251	PTR	localhost
27.76.136.251	A	thuviensohict.com
27.76.137.22	PTR	localhost
27.76.137.22	A	antiepivn.goertek.com
27.76.137.66	PTR	localhost
27.76.137.66	A	trading.pinetree.vn
27.76.143.60	PTR	localhost
27.76.151.73	PTR	localhost
27.76.160.75	PTR	localhost
27.76.160.75	A	mail.congapro.info
27.76.160.75	A	www.congapro.info
27.76.161.35	PTR	localhost
27.76.163.83	PTR	localhost
27.76.172.112	PTR	localhost
27.76.172.112	A	dvcbqlkcn.hungyen.gov.vn
27.76.174.60	PTR	localhost
27.76.179.26	PTR	localhost
27.76.180.123	PTR	localhost
27.76.181.113	PTR	localhost
27.76.185.164	PTR	localhost
27.76.186.237	PTR	localhost
27.76.188.180	PTR	localhost
27.76.192.41	PTR	localhost
27.76.192.142	PTR	localhost
27.76.192.147	A	thuytuyen.tk
27.76.194.173	A	caruireland.com
27.76.200.175	PTR	localhost
27.76.202.232	PTR	localhost
27.76.206.233	PTR	localhost
27.76.208.51	PTR	localhost
27.76.210.192	PTR	localhost
27.76.214.8	A	10langha.homeip.net
27.76.219.97	PTR	localhost
27.76.232.25	PTR	localhost
27.76.233.103	PTR	localhost
27.76.236.89	PTR	localhost
27.76.241.122	PTR	localhost
27.76.246.203	A	hometeddy.dlinkddns.com
27.76.247.216	PTR	localhost
27.76.249.20	PTR	localhost
27.76.252.251	PTR	localhost
27.76.255.84	PTR	localhost
27.77.0.44	PTR	localhost
27.77.0.204	PTR	localhost
27.77.6.49	A	vohungcuong.ddns.net
27.77.13.191	PTR	localhost
27.77.13.193	PTR	localhost
27.77.16.2	PTR	localhost
27.77.17.148	PTR	localhost
27.77.17.156	PTR	localhost
27.77.18.129	PTR	localhost
27.77.24.56	PTR	localhost
27.77.24.121	PTR	localhost
27.77.25.2	PTR	localhost
27.77.25.95	PTR	localhost
27.77.34.241	PTR	localhost
27.77.41.222	PTR	localhost
27.77.46.134	PTR	localhost
27.77.47.91	PTR	localhost
27.77.52.69	PTR	localhost
27.77.52.177	PTR	localhost
27.77.54.153	PTR	localhost
27.77.59.163	PTR	localhost
27.77.63.87	PTR	localhost
27.77.66.253	PTR	localhost
27.77.68.113	PTR	localhost
27.77.69.48	PTR	localhost
27.77.69.189	PTR	localhost
27.77.72.226	PTR	localhost
27.77.75.110	PTR	localhost
27.77.75.171	PTR	localhost
27.77.76.103	PTR	localhost
27.77.77.111	PTR	localhost
27.77.81.60	PTR	localhost
27.77.82.236	PTR	localhost
27.77.84.10	PTR	localhost
27.77.89.11	PTR	localhost
27.77.90.139	PTR	localhost
27.77.96.66	PTR	localhost
27.77.96.250	PTR	localhost
27.77.97.121	PTR	localhost
27.77.100.86	PTR	localhost
27.77.101.10	PTR	localhost
27.77.104.168	PTR	localhost
27.77.118.22	PTR	localhost
27.77.118.88	PTR	localhost
27.77.120.16	PTR	localhost
27.77.120.16	A	everlasting.dyndns.org
27.77.120.120	PTR	localhost
27.77.122.92	A	ketnoiantoan.com
27.77.124.104	PTR	localhost
27.77.124.130	A	mail.nthcomputer.net
27.77.128.139	PTR	localhost
27.77.132.173	A	loctrang.sytes.net
27.77.134.99	A	hongloan01.questek.tv
27.77.137.78	PTR	localhost
27.77.137.87	PTR	localhost
27.77.144.51	PTR	localhost
27.77.144.155	PTR	localhost
27.77.148.36	PTR	localhost
27.77.148.36	A	giaonhanhaiquan.com
27.77.151.48	PTR	localhost
27.77.152.137	PTR	localhost
27.77.152.147	PTR	localhost
27.77.153.205	PTR	localhost
27.77.161.16	A	studentstcc.com
27.77.165.125	PTR	localhost
27.77.165.125	A	baokhoa.ddns.net
27.77.169.211	PTR	localhost
27.77.174.160	PTR	localhost
27.77.176.56	PTR	localhost
27.77.176.56	A	daugarden.com
27.77.176.56	A	mail.daugarden.com
27.77.176.193	PTR	localhost
27.77.176.193	A	1068s.com
27.77.179.129	A	amnovo.com
27.77.185.120	PTR	localhost
27.77.185.120	A	makecool.ddns.net
27.77.189.210	PTR	localhost
27.77.189.210	A	bladk.com
27.77.192.59	PTR	localhost
27.77.206.148	PTR	localhost
27.77.226.22	PTR	localhost
27.77.226.97	PTR	localhost
27.77.235.1	PTR	localhost
27.77.237.205	PTR	localhost
27.77.243.185	PTR	localhost
27.77.249.66	PTR	localhost
27.77.253.59	PTR	localhost
27.77.253.59	A	www.gunfs.net
27.77.254.62	PTR	localhost
27.77.254.195	PTR	localhost
27.78.0.0	PTR	localhost
27.78.0.64	PTR	localhost
27.78.0.71	PTR	localhost
27.78.12.22	PTR	localhost
27.78.13.110	PTR	localhost
27.78.14.83	PTR	localhost
27.78.15.55	A	www.dksites.vn
27.78.15.55	A	dksites.vn
27.78.16.22	A+PTR	mail.icthanoi.edu.vn
27.78.16.22	A	ictvn.edu.vn
27.78.16.22	A	rosegarden.com.vn
27.78.20.41	PTR	localhost
27.78.20.109	PTR	localhost
27.78.20.109	A	tcdt.viettelbinhdinh.vn
27.78.21.144	A	phuongtimdalat.com
27.78.24.114	PTR	localhost
27.78.32.2	PTR	localhost
27.78.32.166	PTR	localhost
27.78.32.226	PTR	localhost
27.78.34.2	PTR	localhost
27.78.35.251	A	pi2t3.ddns.net
27.78.36.19	PTR	localhost
27.78.38.216	PTR	localhost
27.78.42.117	PTR	localhost
27.78.52.97	PTR	localhost
27.78.63.144	PTR	localhost
27.78.64.64	PTR	localhost
27.78.64.67	PTR	localhost
27.78.64.107	PTR	localhost
27.78.64.107	A	www.anthinh.diskstation.me
27.78.64.107	A	anthinh.diskstation.me
27.78.68.91	PTR	localhost
27.78.70.89	PTR	localhost
27.78.74.144	PTR	localhost
27.78.75.35	PTR	localhost
27.78.75.123	PTR	localhost
27.78.77.153	PTR	localhost
27.78.96.117	PTR	localhost
27.78.96.117	A	smhcm.com
27.78.98.10	PTR	localhost
27.78.98.151	PTR	localhost
27.78.103.85	PTR	localhost
27.78.103.85	A	check-certification.com
27.78.104.154	PTR	localhost
27.78.104.154	A	arv.ddns.net
27.78.104.207	PTR	localhost
27.78.127.253	PTR	localhost
27.78.127.255	PTR	localhost
27.78.130.143	PTR	localhost
27.78.130.143	A	air-clouds.com
27.78.134.167	PTR	localhost
27.78.138.156	PTR	localhost
27.78.139.151	PTR	localhost
27.78.146.185	PTR	localhost
27.78.150.208	PTR	localhost
27.78.150.208	A	pullcdp.com
27.78.153.123	PTR	localhost
27.78.159.61	PTR	localhost
27.78.159.61	A	nguyenductri.com
27.78.160.180	PTR	localhost
27.78.161.43	PTR	localhost
27.78.161.43	A	nhadep24h.com.vn
27.78.168.58	PTR	localhost
27.78.177.202	PTR	localhost
27.78.180.229	PTR	localhost
27.78.184.25	PTR	localhost
27.78.187.213	A	mail.ranktoday.net
27.78.188.241	PTR	localhost
27.78.189.219	PTR	localhost
27.78.195.221	PTR	localhost
27.78.202.117	PTR	localhost
27.78.203.39	A	mail.maybodamgiare.vn
27.78.204.45	PTR	localhost
27.78.206.246	PTR	localhost
27.78.208.89	PTR	localhost
27.78.209.94	PTR	localhost
27.78.210.63	PTR	localhost
27.78.211.125	PTR	localhost
27.78.213.64	PTR	localhost
27.78.214.184	PTR	localhost
27.78.216.183	PTR	localhost
27.78.222.27	PTR	localhost
27.78.222.190	PTR	localhost
27.78.230.34	PTR	localhost
27.78.230.60	PTR	localhost
27.78.230.60	A	minelhp.com
27.78.230.238	PTR	localhost
27.78.234.75	PTR	localhost
27.78.234.75	A	kiemthetranhhung.com
27.78.236.213	PTR	localhost
27.78.243.84	PTR	localhost
27.78.243.84	A	traichorottweiler.com
27.78.246.13	PTR	localhost
27.78.248.16	PTR	localhost
27.78.251.146	PTR	localhost
27.79.1.2	PTR	localhost
27.79.11.164	PTR	localhost
27.79.11.164	A	lenguyen.ddns.net
27.79.18.130	PTR	localhost
27.79.29.2	PTR	localhost
27.79.29.116	PTR	localhost
27.79.30.90	PTR	localhost
27.79.30.90	A	vngeek.com
27.79.33.111	PTR	localhost
27.79.35.2	PTR	localhost
27.79.37.193	PTR	localhost
27.79.39.78	PTR	localhost
27.79.41.145	PTR	localhost
27.79.43.211	PTR	localhost
27.79.47.1	PTR	localhost
27.79.58.18	PTR	localhost
27.79.58.18	A	triplev3.ddns.net
27.79.66.59	PTR	localhost
27.79.76.93	PTR	localhost
27.79.82.5	PTR	localhost
27.79.105.238	PTR	localhost
27.79.111.102	PTR	localhost
27.79.119.114	PTR	localhost
27.79.124.239	PTR	localhost
27.79.126.15	PTR	localhost
27.79.128.206	PTR	localhost
27.79.131.203	PTR	localhost
27.79.135.117	PTR	localhost
27.79.135.117	A	feshxin.com
27.79.139.28	PTR	localhost
27.79.142.224	PTR	localhost
27.79.143.111	PTR	localhost
27.79.144.188	PTR	localhost
27.79.144.188	A	weface-store.com
27.79.158.132	PTR	localhost
27.79.159.77	PTR	localhost
27.79.159.137	PTR	localhost
27.79.159.216	A	thiendiahoi.tk
27.79.161.73	PTR	localhost
27.79.161.73	A	superfastserver.ddns.net
27.79.164.79	PTR	localhost
27.79.167.99	PTR	localhost
27.79.170.196	PTR	localhost
27.79.175.151	PTR	localhost
27.79.178.222	PTR	localhost
27.79.181.182	PTR	localhost
27.79.181.247	PTR	localhost
27.79.181.247	A	canhnn01.ddns.net
27.79.187.62	PTR	localhost
27.79.188.168	PTR	localhost
27.79.188.168	A	vadomain.com
27.79.194.173	A	mail.rockinbaby.com
27.79.197.92	PTR	localhost
27.79.200.35	PTR	localhost
27.79.209.80	PTR	localhost
27.79.209.80	A	tuhoc.ddns.net
27.79.215.21	PTR	localhost
27.79.216.45	PTR	localhost
27.79.216.45	A	octech.no-ip.org
27.79.219.86	PTR	localhost
27.79.226.100	PTR	localhost
27.79.227.91	PTR	localhost
27.79.233.4	PTR	localhost
27.79.233.210	PTR	localhost
27.79.233.210	A	group.muare.club
27.79.233.210	A	mgg.muare.club
27.79.235.19	PTR	localhost
27.79.238.64	PTR	localhost
27.79.239.3	PTR	localhost
27.79.239.44	PTR	localhost
27.79.240.204	PTR	localhost
27.79.241.254	PTR	localhost
27.79.245.203	PTR	localhost
27.79.246.11	PTR	localhost
27.79.248.47	PTR	localhost