Robtex

Up: 137.221.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 137.221.0.0/18
Down right: 137.221.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
137.221.11.185	A	mail.mpcressy.com
137.221.14.168	A	newcombustion.dyndns.org
137.221.21.57	A+PTR	remote.broadwayconstruction.net
137.221.21.57	A	mail2.broadwayconstruction.net
137.221.21.82	A	mail2.covellmatthews.co.uk
137.221.25.1	A	ews.intility.no
137.221.25.1	A	autodiscover.intility.no
137.221.25.1	A	eas.intility.no
137.221.25.15	A	i04.info
137.221.25.131	A	ski.norwegianbroker.no
137.221.25.131	A	stavanger.norwegianbroker.no
137.221.25.132	A	intility.com
137.221.25.132	A	intility.no
137.221.25.132	A	www.intility.no
137.221.26.4	A+PTR	mail.intility.com
137.221.26.5	A+PTR	mail.intility.com
137.221.26.6	A+PTR	mail.intility.com
137.221.26.7	A	mta01.intility.com
137.221.28.1	A	ews.intility.no
137.221.28.1	A	autodiscover.intility.no
137.221.28.1	A	eas.intility.no
137.221.28.15	A	i04.info
137.221.28.132	A	intility.com
137.221.28.132	A	intility.no
137.221.28.132	A	www.intility.no
137.221.28.200	A	www.sjt.no
137.221.28.208	A	intility.no
137.221.30.4	A+PTR	mail2.intility.com
137.221.30.4	A	mail3.intility.com
137.221.30.5	A+PTR	mail2.intility.com
137.221.30.6	A	mail2.intility.com
137.221.36.113	A	cron.pre.autobid.de
137.221.37.180	A	qmarkets.cloud-vip-dlr.qmarkets-dns.org
137.221.37.180	A	www.qmarkets.cloud
137.221.37.180	A	qmarkets.cloud
137.221.38.125	A	mail.viaaq.com
137.221.65.26	PTR	et-0-0-2-br01-eqpa4.as57976.net
137.221.65.29	PTR	et-0-0-2-br01-eqam1.as57976.net
137.221.66.4	PTR	be30-pe02-eqla1.as57976.net
137.221.68.71	PTR	be2-pe01-eqla1.as57976.net
137.221.77.69	PTR	be1-pe02-eqpa4.as57976.net
137.221.78.35	PTR	ae1-br02-eqam1.as57976.net
137.221.78.70	PTR	et-0-0-28-br02-eqam1.as57976.net
137.221.79.33	PTR	ae1-br01-eqld5.as57976.net
137.221.83.80	PTR	et-0-0-25-br01-swlv10.as57976.net
137.221.104.222	A	facebookaans.api.uca.cloud.blizzard.com
137.221.104.222	A	facebookz-mania.cloud.blizzard.com
137.221.104.222	A	blogger-customize-tips.cloud.blizzard.com
137.221.104.237	A	facebookz-mania.cloud.blizzard.com
137.221.105.152	A	us.actual.battle.net
137.221.106.14	A	api.blizzard.com
137.221.106.19	A	us.patch.battle.net
137.221.106.20	A	account.classic.blizzard.com
137.221.106.21	A	us.bsap.battle.net
137.221.106.155	A	telemetry-webhooks.battle.net
137.221.106.169	A	las1b-w3-rclient.classic.blizzard.com