Robtex

Up: 66.218.84.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 66.218.86.0/24
Down right: 66.218.87.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.218.86.31	PTR	bucket101.digu.vip.ac4.yahoo.com
66.218.86.43	PTR	beta-oathcareers.corpapps.vip.bf1.yahoo.com
66.218.86.43	A	fam.data.fy2.b.yahoo.com
66.218.86.44	PTR	prod-oathcareers.corpapps.vip.bf1.yahoo.com
66.218.86.44	A	fam.data.fy2.b.yahoo.com
66.218.86.45	PTR	ews3.apps.cb.vip.bf1.yahoo.com
66.218.86.45	A	fam.data.fy2.b.yahoo.com
66.218.86.46	PTR	unknown.yahoo.com
66.218.86.46	A	fam.data.fy2.b.yahoo.com
66.218.86.49	PTR	pgmeta.ads.vip.bf1.yahoo.com
66.218.86.49	A	yts2.yql.vip.bf1.yahoo.com
66.218.86.51	A+PTR	sky400-aol-sec.mail.vip.bf2.yahoo.com
66.218.86.51	A	internal-aol.imap.mail.g03.yahoodns.net
66.218.86.55	A	pr-preprod.pbp.vip.bf2.yahoo.com
66.218.86.64	A	kubeingress2.prod1.ensemble.vip.bf1.yahoo.com
66.218.86.106	PTR	unknown-66-218-86-x.yahoo.com
66.218.86.120	PTR	unknown-66-218-86-x.yahoo.com
66.218.86.201	A	lsp7.it.ac4.yahoo.com
66.218.86.223	A+PTR	fe-a.profile.vip.ac4.yahoo.com
66.218.87.10	PTR	unknown-66-218-87-x.yahoo.com
66.218.87.10	A	mischief.g03.yahoodns.net
66.218.87.11	PTR	uff01.stage.ugcl.ac4.yahoo.com
66.218.87.11	A	mischief.g03.yahoodns.net
66.218.87.12	PTR	unknown.yahoo.com
66.218.87.12	A	w2.src4.vip.bf1.yahoo.com
66.218.87.12	A	aol.ca
66.218.87.13	PTR	unknown.yahoo.com
66.218.87.14	PTR	migdbf7.reviews.ugcl.ac4.yahoo.com
66.218.87.14	A	media-router-flurry6.prod.media.vip.bf1.yahoo.com
66.218.87.14	A	media-router-flurry8.prod.media.wg1.b.yahoo.com
66.218.87.15	PTR	media-router-brb71.prod.media.vip.bf1.yahoo.com
66.218.87.15	A	eu-hrbw1.fp.wa1.b.yahoo.com
66.218.87.15	A	udc-ats.media.g03.yahoodns.net
66.218.87.152	PTR	japi122.global.media.ac4.yahoo.com
66.218.87.152	A	bid-ats-ingress.pbp.vip.bf1.yahoo.com
66.218.87.154	PTR	japi124.global.media.ac4.yahoo.com