Robtex

Up: 69.72.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 69.72.40.0/22
Down right: 69.72.44.0/22

IP	Type	Hostname
69.72.40.2	A	m40-2.mailgun.net
69.72.40.3	PTR	east--9-3.dynamic-dialup.coretel.net
69.72.40.3	A	m40-3.mailgun.net
69.72.40.4	A	m40-4.mailgun.net
69.72.40.5	A	m40-5.mailgun.net
69.72.40.9	A	m40-9.mailgun.net
69.72.40.10	A	m40-10.mailgun.net
69.72.40.59	PTR	m40-59.mailgun.net
69.72.40.63	A	m40-63.mailgun.net
69.72.40.138	PTR	m40-138.mailgun.net
69.72.40.139	A	m40-139.mailgun.net
69.72.40.141	A	m40-141.mailgun.net
69.72.40.142	A	m40-142.mailgun.net
69.72.40.152	A	m40-152.mailgun.net
69.72.40.153	A	m40-153.mailgun.net
69.72.40.154	A	m40-154.mailgun.net
69.72.40.155	A	m40-155.mailgun.net
69.72.40.242	PTR	m40-242.mailgun.net
69.72.41.3	PTR	m41-3.mailgun.net
69.72.41.30	A	mg30.marketing.6sicuro.it
69.72.41.32	PTR	mg32.marketing.6sicuro.it
69.72.41.40	PTR	m41-40.mailgun.net
69.72.41.73	A	m41-73.mailgun.net
69.72.41.199	A	m41-199.mailgun.net
69.72.41.246	A	m41-246.mailgun.net
69.72.42.0	PTR	m42-0.mailgun.net
69.72.42.1	A+PTR	east-25-1.dynamic-dialup.coretel.net
69.72.42.1	A	m42-1.mailgun.net
69.72.42.2	A+PTR	m42-2.mailgun.net
69.72.42.3	A+PTR	m42-3.mailgun.net
69.72.42.10	PTR	m42-10.mailgun.net
69.72.42.11	PTR	m42-11.mailgun.net
69.72.42.12	A	m42-12.mailgun.net
69.72.42.14	A	m42-14.mailgun.net
69.72.42.104	A	mail2.aviationmessage.com
69.72.42.127	A	m42-127.mailgun.net
69.72.43.8	PTR	core-east-17-8.dynamic-dialup.coretel.net
69.72.43.8	A	m43-8.mailgun.net
69.72.43.10	A+PTR	m43-10.mailgun.net
69.72.43.12	A	m43-12.mailgun.net
69.72.43.59	PTR	core-east-17-59.dynamic-dialup.coretel.net
69.72.43.101	A	m43-101.mailgun.net
69.72.43.102	A	m43-102.mailgun.net
69.72.43.104	PTR	core-east-17-104.dynamic-dialup.coretel.net
69.72.43.104	A	m43-104.mailgun.net
69.72.43.106	A+PTR	core-east-17-106.dynamic-dialup.coretel.net
69.72.43.106	A	m43-106.mailgun.net
69.72.43.107	A	m43-107.mailgun.net
69.72.43.126	A	qxxr.email-messaging.com
69.72.43.129	A	vkpw.email-messaging.com
69.72.43.197	A	m43-197.mailgun.net
69.72.43.202	PTR	m43-202.mailgun.net
69.72.43.202	A	core-east-17-202.dynamic-dialup.coretel.net
69.72.43.211	PTR	messages.cellarpass.com
69.72.43.235	A	m43-235.mailgun.net
69.72.44.1	A+PTR	m44-1.mailgun.net
69.72.44.2	A+PTR	m44-2.mailgun.net
69.72.44.3	A	m44-3.mailgun.net
69.72.44.4	A+PTR	m44-4.mailgun.net
69.72.44.46	A	m44-46.mailgun.net
69.72.44.50	A	m44-50.mailgun.net
69.72.44.210	PTR	gpv0.email-messaging.com
69.72.44.218	A	core-east-22-218.dynamic-dialup.coretel.net
69.72.45.13	A	mail.joper.ru
69.72.45.48	A	m45-48.mailgun.net
69.72.45.49	A	m45-49.mailgun.net
69.72.45.50	A	m45-50.mailgun.net
69.72.45.51	A	m45-51.mailgun.net
69.72.45.56	A	m45-56.mailgun.net
69.72.45.57	A	m45-57.mailgun.net
69.72.45.59	A	m45-59.mailgun.net
69.72.45.79	A	cf-notify.com
69.72.45.122	PTR	m45-122.mailgun.net
69.72.45.146	A	m45-146.mailgun.net
69.72.45.157	A	voft.email-messaging.com
69.72.46.77	A	m46-77.mailgun.net
69.72.46.99	A	core-east-24-99.dynamic-dialup.coretel.net
69.72.47.29	A	so47-29.emailbyrealgreen.com
69.72.47.37	A	m47-37.mailgun.net
69.72.47.80	PTR	m47-80.mailgun.net
69.72.47.98	PTR	smbmail6.mail.tetadrogerie.cz
69.72.47.108	A	m47-108.mailgun.net
69.72.47.112	A+PTR	mg112.chiarezza.it
69.72.47.113	A	m47-113.mailgun.net
69.72.47.146	PTR	m47-146.mailgun.net
69.72.47.149	A	m47-149.mailgun.net
69.72.47.163	PTR	relay.app.bamboohr.com
69.72.47.185	PTR	core-east-25-185.dynamic-dialup.coretel.net
69.72.47.197	A	m47-197.mailgun.net
69.72.47.233	PTR	core-east-25-233.dynamic-dialup.coretel.net