Robtex

Up: 119.81.2.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 119.81.3.0/25
Down right: 119.81.3.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
119.81.3.1	PTR	119.81.3.1-static.reverse.softlayer.com
119.81.3.2	PTR	sg1.cycom.asia
119.81.3.2	A	mail.hostgamma.asia
119.81.3.2	A	mail.hostinggood.com
119.81.3.15	PTR	119.81.3.15-static.reverse.softlayer.com
119.81.3.16	A+PTR	10.03.5177.ip4.static.sl-reverse.com
119.81.3.19	PTR	13.03.5177.ip4.static.sl-reverse.com
119.81.3.19	A	119.81.3.19-static.reverse.softlayer.com
119.81.3.20	A	mbbpfs400.cyberstock.com.my
119.81.3.20	A	mbbpfs401.cyberstock.com.my
119.81.3.21	A+PTR	119.81.3.21-static.reverse.softlayer.com
119.81.3.22	A+PTR	16.03.5177.ip4.static.sl-reverse.com
119.81.3.23	A+PTR	119.81.3.23-static.reverse.softlayer.com
119.81.3.35	A+PTR	119.81.3.35-static.reverse.softlayer.com
119.81.3.35	A	optimize.innity.com
119.81.3.35	A	23.03.5177.ip4.static.sl-reverse.com
119.81.3.36	PTR	119.81.3.36-static.reverse.softlayer.com
119.81.3.36	A	cast.innity.com
119.81.3.45	PTR	119.81.3.45-static.reverse.softlayer.com
119.81.3.45	A	tickto.com
119.81.3.45	A	maketick.com
119.81.3.47	A	ns2.kumaserver.com
119.81.3.50	PTR	119.81.3.50-static.reverse.softlayer.com
119.81.3.50	A	websrv.in
119.81.3.52	A	spicyspin.net
119.81.3.53	PTR	119.81.3.53-static.reverse.softlayer.com
119.81.3.55	A	ns2.spicyspin.net
119.81.3.61	PTR	119.81.3.61-static.reverse.softlayer.com
119.81.3.61	A	mirror.tallysolutions.com
119.81.3.61	A	mirror1.tallysolutions.com
119.81.3.64	PTR	119.81.3.64-static.reverse.softlayer.com
119.81.3.66	PTR	119.81.3.66-static.reverse.softlayer.com
119.81.3.66	A	jobnet.com.mm
119.81.3.66	A	m.mmcars.com.mm
119.81.3.75	PTR	119.81.3.75-static.reverse.softlayer.com
119.81.3.82	PTR	119.81.3.82-static.reverse.softlayer.com
119.81.3.82	A	artoncode.com
119.81.3.96	PTR	119.81.3.96-static.reverse.softlayer.com
119.81.3.96	A	sin-sg.prcdn.net
119.81.3.113	PTR	119.81.3.113-static.reverse.softlayer.com
119.81.3.116	A+PTR	119.81.3.116-static.reverse.softlayer.com
119.81.3.132	PTR	119.81.3.132-static.reverse.softlayer.com
119.81.3.132	A	u.myopenads.com
119.81.3.133	PTR	119.81.3.133-static.reverse.softlayer.com
119.81.3.137	A+PTR	89.03.5177.ip4.static.sl-reverse.com
119.81.3.138	A	lingyangdongwu.com
119.81.3.138	A	tsgx365.com
119.81.3.152	PTR	119.81.3.152-static.reverse.softlayer.com
119.81.3.152	A	hd-ball.com
119.81.3.153	PTR	99.03.5177.ip4.static.sl-reverse.com
119.81.3.153	A	football-hd.com
119.81.3.153	A	www.football-hd.org
119.81.3.154	PTR	119.81.3.154-static.reverse.softlayer.com
119.81.3.154	A	nonamehd.com
119.81.3.155	A	giaothongviet.com
119.81.3.163	A+PTR	119.81.3.163-static.reverse.softlayer.com
119.81.3.165	A+PTR	a5.03.5177.ip4.static.sl-reverse.com
119.81.3.197	A	primepartnersclub.com
119.81.3.226	A+PTR	e2.03.5177.ip4.static.sl-reverse.com
119.81.3.237	PTR	119.81.3.237-static.reverse.softlayer.com
119.81.3.237	A	tilicho.dokohost.com
119.81.3.237	A	rupa.dokohost.com
119.81.3.238	PTR	119.81.3.238-static.reverse.softlayer.com
119.81.3.239	PTR	119.81.3.239-static.reverse.softlayer.com
119.81.3.241	PTR	119.81.3.241-static.reverse.softlayer.com
119.81.3.241	A	chddevelopers.com
119.81.3.244	PTR	119.81.3.244-static.reverse.softlayer.com
119.81.3.244	A	pressmeal.net
119.81.3.245	A	bets2010.com
119.81.3.246	PTR	119.81.3.246-static.reverse.softlayer.com
119.81.3.246	A	phibet188.com
119.81.3.247	PTR	119.81.3.247-static.reverse.softlayer.com
119.81.3.247	A	ns2.pressmeal.net
119.81.3.251	PTR	119.81.3.251-static.reverse.softlayer.com
119.81.3.251	A	knopff.com
119.81.3.251	A	agustjandra.com
119.81.3.252	PTR	119.81.3.252-static.reverse.softlayer.com
119.81.3.252	A	mms-adv.com