Robtex

Up: 164.138.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 164.139.0.0/17
Down right: 164.139.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
164.139.0.1	PTR	dus.metro.info
164.139.7.161	PTR	algol.mgi.de
164.139.12.4	A+PTR	ns.metro.info
164.139.12.4	A	ns2.gourmedis.com
164.139.12.4	A	srv1-metro.ma
164.139.12.5	PTR	ns1.metro.info
164.139.12.6	PTR	ns2.metro.info
164.139.14.31	A	gtm-www-p-mc-metro-be.metro.info
164.139.14.33	A	metro.cn
164.139.14.36	A+PTR	metro.mc
164.139.14.36	PTR	ccschaper.de
164.139.14.47	A	finefood.cz
164.139.14.84	A	metro.mc
164.139.14.136	A	metro.cn
164.139.15.115	PTR	authors-acws-dev.metro-online.com
164.139.15.183	PTR	networking-cms-cdt-qs.metro.de
164.139.15.204	A+PTR	metrophone11-pp.mcrm.metro.info
164.139.15.205	A+PTR	metrophone21-pp.mcrm.metro.info
164.139.32.31	A	gtm-home.metro.info
164.139.35.215	A+PTR	premium-hf.metro.be
164.139.37.15	A+PTR	streaming2.metro.info
164.139.37.70	A+PTR	vsp.metro.info
164.139.37.76	PTR	w-appc.sentry.metro.info
164.139.37.76	A+PTR	i-e2.sentry.metro.info
164.139.37.76	A	i-e.sentry.metro.info
164.139.37.92	A	i-e.sentry.metro.info
164.139.38.145	A	syncsalesforce.metro-tr.com
164.139.39.7	A+PTR	smtp.metro.info
164.139.39.7	A	insmtp.metro.info
164.139.39.10	A+PTR	dnoces.metrosystems.net
164.139.39.37	A+PTR	elkeid.metrosystems.net
164.139.40.62	A	gtm-www.metro24.de
164.139.40.62	A	metro24.mobi
164.139.40.67	A	webtrends.metro.info
164.139.40.105	A	galeria-realestate.com
164.139.252.132	A	denebola.metro-cc.hr
164.139.252.132	A	mail.metro-cc.hr
164.139.252.132	A	truecleaning.com
164.139.252.134	A	proxy.metro-cc.hr