Robtex

Up: 27.68.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 27.68.0.0/17
Down right: 27.68.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.68.0.0	PTR	localhost
27.68.0.7	PTR	localhost
27.68.0.61	PTR	localhost
27.68.3.62	PTR	localhost
27.68.6.29	PTR	localhost
27.68.10.114	PTR	localhost
27.68.11.5	PTR	localhost
27.68.22.236	PTR	localhost
27.68.27.235	PTR	localhost
27.68.33.146	PTR	localhost
27.68.50.47	PTR	localhost
27.68.50.218	PTR	localhost
27.68.54.189	PTR	localhost
27.68.60.225	PTR	localhost
27.68.61.149	PTR	localhost
27.68.76.36	PTR	localhost
27.68.95.64	PTR	localhost
27.68.96.77	PTR	localhost
27.68.96.77	A	remcuaphatdat.com
27.68.114.137	PTR	localhost
27.68.116.143	PTR	localhost
27.68.117.130	PTR	localhost
27.68.126.19	PTR	localhost
27.68.128.121	A	mapi.mbs.com.vn
27.68.128.122	A	streaming.mbs.com.vn
27.68.128.254	A	care.crystal-regent.com.vn
27.68.129.26	PTR	localhost
27.68.129.26	A	www.suncalltv.com.vn
27.68.129.26	A	suncalltv.com.vn
27.68.130.43	PTR	localhost
27.68.130.43	A	huyenquanson.vn
27.68.130.43	A	congdoanthanhhoa.org.vn
27.68.130.45	PTR	localhost
27.68.131.74	PTR	localhost
27.68.132.25	A	vpn.coca-cola.com.vn
27.68.134.42	A	mail.sheenbridge.com.vn
27.68.134.42	A	sheenbridge.com.vn
27.68.135.18	A	echannel.vn
27.68.135.18	A	stg.vtvgiaitri.vn
27.68.135.66	PTR	localhost
27.68.135.254	A	agppsnbct.com.vn
27.68.153.68	PTR	localhost
27.68.195.65	PTR	localhost
27.68.195.67	PTR	localhost
27.68.195.80	PTR	localhost
27.68.201.1	PTR	localhost
27.68.201.1	A	speedtestkv2a.viettel.vn
27.68.224.101	PTR	localhost
27.68.225.22	PTR	localhost
27.68.225.223	PTR	localhost
27.68.226.129	PTR	localhost
27.68.226.129	A	speedtestkv1a.viettel.vn
27.68.226.241	A	epdg.epc.mnc004.mcc452.pub.3gppnetwork.org
27.68.229.10	PTR	localhost
27.68.229.218	PTR	localhost
27.68.232.61	PTR	localhost
27.68.239.33	PTR	localhost
27.68.239.33	A	speedtestkv3b.viettel.vn
27.68.239.33	A	speedtestkv3a.viettel.vn
27.68.240.26	PTR	localhost
27.68.242.117	PTR	localhost
27.68.242.157	PTR	localhost
27.68.242.178	A	mailduong.mudep.com
27.68.250.13	PTR	localhost
27.68.250.58	PTR	localhost
27.68.250.130	PTR	localhost
27.68.251.26	PTR	localhost
27.68.255.69	PTR	localhost