Robtex

Up: 187.84.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 187.84.192.0/22
Down right: 187.84.196.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
187.84.192.0	PTR	187-84-192.0.static.stech.net.br
187.84.192.24	PTR	187-84-192.24.static.stech.net.br
187.84.192.25	PTR	187-84-192.25.static.stech.net.br
187.84.192.26	PTR	187-84-192.26.static.stech.net.br
187.84.192.27	PTR	187-84-192.27.static.stech.net.br
187.84.192.34	PTR	187-84-192.34.static.stech.net.br
187.84.192.35	PTR	187-84-192.35.static.stech.net.br
187.84.192.56	PTR	187-84-192.56.static.stech.net.br
187.84.192.58	PTR	187-84-192.58.static.stech.net.br
187.84.192.59	PTR	187-84-192.59.static.stech.net.br
187.84.192.73	PTR	187-84-192.73.static.stech.net.br
187.84.192.88	PTR	187-84-192.88.static.stech.net.br
187.84.192.104	PTR	187-84-192.104.static.stech.net.br
187.84.192.105	PTR	187-84-192.105.static.stech.net.br
187.84.192.106	PTR	187-84-192.106.static.stech.net.br
187.84.192.168	PTR	187-84-192.168.static.stech.net.br
187.84.192.200	PTR	187-84-192.200.static.stech.net.br
187.84.193.24	PTR	187-84-193.24.static.stech.net.br
187.84.193.26	PTR	187-84-193.26.static.stech.net.br
187.84.193.27	PTR	187-84-193.27.static.stech.net.br
187.84.193.161	PTR	187-84-193.161.static.stech.net.br
187.84.194.1	PTR	187-84-194.1.static.stech.net.br
187.84.194.2	PTR	187-84-194.2.static.stech.net.br
187.84.194.3	PTR	187-84-194.3.static.stech.net.br
187.84.194.32	PTR	187-84-194.32.static.stech.net.br
187.84.194.33	PTR	187-84-194.33.static.stech.net.br
187.84.194.34	PTR	187-84-194.34.static.stech.net.br
187.84.194.35	PTR	187-84-194.35.static.stech.net.br
187.84.194.41	PTR	187-84-194.41.static.stech.net.br
187.84.194.42	PTR	187-84-194.42.static.stech.net.br
187.84.194.58	PTR	187-84-194.58.static.stech.net.br
187.84.194.59	PTR	187-84-194.59.static.stech.net.br
187.84.194.74	PTR	187-84-194.74.static.stech.net.br
187.84.194.80	PTR	187-84-194.80.static.stech.net.br
187.84.194.96	PTR	187-84-194.96.static.stech.net.br
187.84.194.97	PTR	dist06-ige1-1942-giga-poa.stech.net.br
187.84.194.98	PTR	187-84-194.98.static.stech.net.br
187.84.194.104	PTR	187-84-194.104.static.stech.net.br
187.84.194.105	PTR	187-84-194.105.static.stech.net.br
187.84.194.122	A+PTR	mail2.codeca.com.br
187.84.194.122	A	ns3.codeca.com.br
187.84.195.19	PTR	187-84-195.19.static.stech.net.br
187.84.195.26	PTR	187-84-195.26.static.stech.net.br
187.84.195.32	PTR	187-84-195.32.static.stech.net.br
187.84.195.33	PTR	187-84-195.33.static.stech.net.br
187.84.195.34	PTR	187-84-195.34.static.stech.net.br
187.84.195.35	PTR	187-84-195.35.static.stech.net.br
187.84.195.43	PTR	187-84-195.43.static.stech.net.br
187.84.195.59	PTR	187-84-195.59.static.stech.net.br
187.84.196.66	PTR	187-84-196.66.static.stech.net.br
187.84.196.171	PTR	187-84-196.171.static.stech.net.br
187.84.197.3	PTR	187-84-197.3.static.stech.net.br
187.84.197.3	A	cd-st1-1.saojoaofarmacias.com.br
187.84.197.3	A	saojoaofarmacias.com.br
187.84.197.28	A	webmail.cruzalta.rs.gov.br
187.84.197.28	A	mail.cruzalta.rs.gov.br
187.84.197.32	PTR	187-84-197.32.static.stech.net.br
187.84.197.34	PTR	187-84-197.34.static.stech.net.br
187.84.197.77	A	transnecher.com.br
187.84.197.89	PTR	187-84-197.89.static.stech.net.br
187.84.197.100	A	srvmail2.grupocielo.com.br
187.84.197.100	A	d.ns.cielotelecom.com
187.84.197.100	A	c.ns.embarcadorlog.com
187.84.197.120	PTR	187-84-197.120.static.stech.net.br
187.84.197.121	PTR	187-84-197.121.static.stech.net.br
187.84.197.123	PTR	187-84-197.123.static.stech.net.br
187.84.197.131	PTR	187-84-197.131.static.stech.net.br
187.84.197.131	A	freelance.ppg.br
187.84.197.131	A	jurisuladvocacia.com.br
187.84.197.154	PTR	187-84-197.154.static.stech.net.br
187.84.197.155	PTR	187-84-197.155.static.stech.net.br
187.84.197.170	PTR	187-84-197.170.static.stech.net.br
187.84.197.192	PTR	187-84-197.192.static.stech.net.br
187.84.197.197	A	update.alfasig.com.br
187.84.197.219	PTR	187-84-197.219.static.stech.net.br
187.84.198.2	A+PTR	mail.lettel.com.br
187.84.198.2	PTR	mx1.lettel.com.br
187.84.198.2	PTR	ecs.telf.com.br
187.84.198.78	A	sloppas.co.uk
187.84.199.1	PTR	187-84-199.1.static.stech.net.br