Robtex

Up: 212.82.100.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 212.82.100.128/26
Down right: 212.82.100.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.82.100.128	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.129	A+PTR	ha1.vl-120.usw-1-lba.ir2.yahoo.com
212.82.100.130	A+PTR	ha2.vl-120.usw-1-lba.ir2.yahoo.com
212.82.100.131	PTR	vl-120.usw1-1-lba.ir2.yahoo.com
212.82.100.132	A+PTR	vl-120.usw2-1-lba.ir2.yahoo.com
212.82.100.133	A+PTR	vl-120.slb1-1-lba.ir2.yahoo.com
212.82.100.134	A+PTR	vl-120.slb2-1-lba.ir2.yahoo.com
212.82.100.135	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.136	A+PTR	exp-ats1.l7.search.vip.ir2.yahoo.com
212.82.100.136	A	pxd-global3.l7.search.g03.yahoodns.net
212.82.100.137	PTR	ats1.l7.search.vip.ir2.yahoo.com
212.82.100.137	A	fashion.life
212.82.100.137	A	glamorbank.com
212.82.100.138	A+PTR	ws2.progrss.vip.ir2.yahoo.com
212.82.100.139	A+PTR	lop01.cdn.vip.ir2.yahoo.com
212.82.100.140	PTR	ats2.member.vip.ir2.yahoo.com
212.82.100.140	A	ds-eu-ats.member.a02.yahoodns.net
212.82.100.140	A	ats.member.g02.yahoodns.net
212.82.100.141	PTR	media-router1.canary.media.vip.ir2.yahoo.com
212.82.100.141	A	oob-media-router-rc1.prod.media.wg1.b.yahoo.com
212.82.100.141	A	media-router-rc1.prod.media.vip.ir2.yahoo.com
212.82.100.142	PTR	unknown.yahoo.com
212.82.100.142	A	media-router-api1.prod.media.vip.ir2.yahoo.com
212.82.100.142	A	graphite.g01.yahoodns.net
212.82.100.143	PTR	media-router2.prod.media.vip.ir2.yahoo.com
212.82.100.144	A+PTR	media-router-flurry3.prod.media.vip.ir2.yahoo.com
212.82.100.145	PTR	media-router-flurry2.prod.media.vip.ir2.yahoo.com
212.82.100.146	A+PTR	media-router-flurry71.prod.media.vip.ir2.yahoo.com
212.82.100.147	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.148	A+PTR	lop04.cdn.vip.ir2.yahoo.com
212.82.100.149	A+PTR	lop05.cdn.vip.ir2.yahoo.com
212.82.100.150	PTR	w2.src.vip.ir2.yahoo.com
212.82.100.150	A	aol-cd-burning.com
212.82.100.150	A	rocketmail.ru
212.82.100.151	PTR	unknown.yahoo.com
212.82.100.151	A	yahoo.co.in
212.82.100.151	A	yahoosupport-australia.com
212.82.100.152	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.152	A	yahoo7.com.au
212.82.100.153	A+PTR	w2.src3.vip.ir2.yahoo.com
212.82.100.153	A	huffpost.co.za
212.82.100.153	A	mapquestapi.com
212.82.100.154	A+PTR	lop02.cdn.vip.ir2.yahoo.com
212.82.100.155	PTR	lop03.cdn.vip.ir2.yahoo.com
212.82.100.156	A+PTR	media-router3.prod.media.vip.ir2.yahoo.com
212.82.100.157	PTR	media-router1.prod.media.vip.ir2.yahoo.com
212.82.100.157	A	any-oob-finance-router.a03.yahoodns.net
212.82.100.157	A	mysterio-prod.g03.yahoodns.net
212.82.100.158	A+PTR	media-router-flurry1.prod.media.vip.ir2.yahoo.com
212.82.100.158	A	media-router-flurry7.prod.media.wg1.b.yahoo.com
212.82.100.158	A	media-router-flurry1.prod.media.wg1.b.yahoo.com
212.82.100.159	PTR	bid-lm.pbp.vip.ir2.yahoo.com
212.82.100.160	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.161	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.162	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.163	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.163	A	techcrunch.com
212.82.100.164	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.165	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.166	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.167	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.168	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.169	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.170	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.171	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.172	PTR	mpr2.ngd.vip.ir2.yahoo.com
212.82.100.173	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.174	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.175	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.176	A+PTR	pr-bh-ing.pbp.vip.ir2.yahoo.com
212.82.100.177	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.177	A	pr-ats-ing.pbp.vip.ir2.yahoo.com
212.82.100.178	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.179	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.180	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.181	PTR	spdc.pbp.vip.ir2.yahoo.com
212.82.100.181	A	real-spdc-global.pbp.gysm.yahoodns.net
212.82.100.182	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.182	A	spcms.pbp.vip.ir2.yahoo.com
212.82.100.183	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.183	A	glb-vop.cdn.g04.yahoodns.net
212.82.100.184	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.185	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.186	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.187	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.188	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.189	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.190	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.191	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.192	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.193	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.194	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.195	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.196	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.197	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.198	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.199	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.200	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.201	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.202	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.203	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.204	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.205	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.206	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.207	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.208	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.209	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.210	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.211	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.212	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.213	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.214	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.215	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.216	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.217	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.218	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.219	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.220	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.221	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.222	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.223	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.224	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.225	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.226	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.227	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.228	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.229	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.230	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.231	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.232	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.233	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.234	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.235	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.236	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.237	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.238	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.239	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.240	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.241	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.242	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.243	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.244	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.245	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.246	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.247	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.248	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.249	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.250	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.251	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.252	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.253	PTR	unknown.yahoo.com
212.82.100.254	PTR	unknown-212-82-100-x.yahoo.com
212.82.100.255	PTR	unknown-212-82-100-x.yahoo.com