Robtex

Up: 199.38.164.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 199.38.164.0/24
Down right: 199.38.165.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.38.164.36	A	ewr-ad-lb1.rfihub.com
199.38.164.37	A	ewr-292.ewr-rtb1.rfihub.com
199.38.164.37	A	ewr-514.ewr-rtb1.rfihub.com
199.38.164.37	A	ewr-61.ewr-rtb1.rfihub.com
199.38.164.38	A	ewr-374.ewr-rtb1.rfihub.net
199.38.164.38	A	ewr-484.ewr-rtb1.rfihub.net
199.38.164.38	A	ewr-353.ewr-rtb1.rfihub.net
199.38.164.40	A	ewr-ad-lb2.rfihub.com
199.38.164.52	A	ewr-ad-lb6.rfihub.com
199.38.164.54	A	20766881p.rfihub.com
199.38.164.54	A	20745890p.rfihub.com
199.38.164.54	A	20513757p.rfihub.com
199.38.164.130	A+PTR	bid.ru4.com
199.38.164.131	A+PTR	gl-bid.ru4.com
199.38.164.132	A	an-bid.ru4.com
199.38.164.150	A+PTR	bidn.ru4.com
199.38.164.154	A	vz.xp1.ru4.com.akadns.net
199.38.164.155	PTR	m-nb.xplusone.com
199.38.164.156	PTR	d-nb.xplusone.com
199.38.164.160	PTR	s-nb.xplusone.com
199.38.164.161	A	stg.xp1.ru4.com
199.38.164.162	A+PTR	https.edge.ru4.com
199.38.164.162	A	http.edge.ru4.com
199.38.164.162	A	http.ssvn.ru4.com
199.38.164.171	PTR	xfer.xplusone.com
199.38.164.172	A+PTR	stg-origin.xplusone.com
199.38.164.172	A	stg-platform.xplusone.com
199.38.164.173	PTR	smtp10.ru4.com
199.38.164.175	A	trafficking.xplusone.com
199.38.164.175	A	origin.xplusone.com
199.38.164.176	A+PTR	dns10.ru4.com
199.38.164.184	A	origin-qa.xplusone.com
199.38.164.205	A+PTR	bid2.ru4.com
199.38.165.155	PTR	m.xp1.ru4.com
199.38.165.156	PTR	d.xp1.ru4.com
199.38.165.160	PTR	s.xp1.ru4.com
199.38.165.162	PTR	sk.s5.ans1.ns121.ztomy.com
199.38.165.176	PTR	dns12.ru4.com