Robtex

Up: 69.72.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 69.72.32.0/22
Down right: 69.72.36.0/22

IP	Type	Hostname
69.72.32.3	A	ns9.coretel.net
69.72.32.8	A+PTR	anteater.coretel.net
69.72.32.42	A+PTR	mail.crossexchange.io
69.72.32.95	A+PTR	m32-95.mailgun.net
69.72.32.112	A+PTR	m32-112.mailgun.net
69.72.32.137	A	m32-137.mailgun.net
69.72.32.138	A	m32-138.mailgun.net
69.72.32.139	A+PTR	m32-139.mailgun.net
69.72.32.140	A+PTR	m32-140.mailgun.net
69.72.32.144	A+PTR	m32-144.mailgun.net
69.72.32.197	PTR	fuydw.email-messaging.com
69.72.32.198	PTR	mg.sunbearsoftware.com
69.72.33.3	A+PTR	db1.myshorelink.net
69.72.33.3	A	mail.myshorelink.com
69.72.33.3	A	mail.myshorelink.net
69.72.33.9	A+PTR	smtp-out.myshorelink.net
69.72.33.9	A	ns1.myshorelink.net
69.72.33.10	A	scanner.myshorelink.net
69.72.33.10	A	ns2.myshorelink.net
69.72.33.59	PTR	m33-59.mailgun.net
69.72.33.106	PTR	mail2.chesapeakesmarthomes.com
69.72.33.193	PTR	iv136.lata242-c.voicenet.com.33.72.69.in-addr.arpa
69.72.33.235	PTR	m33-235.mailgun.net
69.72.34.39	A+PTR	m34-39.mailgun.net
69.72.34.45	A+PTR	m34-45.mailgun.net
69.72.34.48	PTR	east-69-72-34-48.csonline-dynamic-dialup.coretel.net
69.72.34.49	PTR	east-69-72-34-49.csonline-dynamic-dialup.coretel.net
69.72.34.50	PTR	east-69-72-34-50.csonline-dynamic-dialup.coretel.net
69.72.34.85	A+PTR	mg-relay.tiki.vn
69.72.34.105	A+PTR	m34-105.soundest.email
69.72.34.106	A+PTR	m34-106.soundest.email
69.72.34.107	A+PTR	m34-107.soundest.email
69.72.34.108	A+PTR	m34-108.soundest.email
69.72.34.122	PTR	rjuz.email-messaging.com
69.72.34.128	A+PTR	m34-128.mailgun.net
69.72.34.134	A+PTR	m34-134.soundest.email
69.72.34.137	A+PTR	m34-137.soundest.email
69.72.34.139	A+PTR	m34-139.soundest.email
69.72.34.145	A+PTR	m34-145.soundest.email
69.72.34.208	A+PTR	m34-208.mailgun.net
69.72.34.230	A+PTR	mg-relay.tiki.vn
69.72.34.251	A+PTR	m34-251.mailgun.net
69.72.35.4	A	estnssp1.coretel.net
69.72.35.5	A	estnssp2.coretel.net
69.72.35.6	A	estnssp-gw.coretel.net
69.72.35.20	A+PTR	m35-20.mailgun.net
69.72.35.54	A+PTR	m35-54.mailgun.net
69.72.35.110	A+PTR	m35-110.mailgun.net
69.72.35.113	PTR	m35-113.mailgun.net
69.72.35.123	PTR	m35-123.mailgun.net
69.72.35.142	A+PTR	m35-142.mailgun.net
69.72.35.143	A+PTR	m35-143.mailgun.net
69.72.35.165	PTR	m35-165.mailgun.net
69.72.35.189	A+PTR	m35-189.mailgun.net
69.72.35.222	PTR	m35-222.mailgun.net
69.72.35.227	PTR	m35-227.mailgun.net
69.72.35.248	A+PTR	m35-248.mailgun.net
69.72.35.249	A+PTR	m35-249.mailgun.net
69.72.36.4	PTR	m36-4.mailgun.net
69.72.36.11	PTR	m36-11.mailgun.net
69.72.36.16	A+PTR	m36-16.mailgun.net
69.72.36.83	PTR	m36-83.mailgun.net
69.72.36.105	PTR	m36-105.mailgun.net
69.72.36.107	PTR	m36-107.mailgun.net
69.72.36.112	PTR	m36-112.mailgun.net
69.72.36.140	A	m36-140.mailgun.net
69.72.36.142	A	m36-142.mailgun.net
69.72.36.144	A+PTR	m36-144.mailgun.net
69.72.36.146	PTR	m36-146.mailgun.net
69.72.36.147	A+PTR	m36-147.mailgun.net
69.72.36.149	A	m36-149.mailgun.net
69.72.36.160	PTR	m36-160.mailgun.net
69.72.36.240	A	m36-240.mailgun.net
69.72.36.244	A	m36-244.mailgun.net
69.72.37.4	A	m37-4.mailgun.net
69.72.37.27	PTR	core-hrbg-69-72-37-27.dynamic-dialup.coretel.net
69.72.37.112	PTR	core-hrbg-69-72-37-112.dynamic-dialup.coretel.net
69.72.37.114	PTR	m37-114.soundest.email
69.72.37.123	PTR	relay2.mservice.com.vn
69.72.37.134	A	mg.skedda.com
69.72.37.136	PTR	flask.livactive.com
69.72.37.138	PTR	relay.ec1.tb-list.com
69.72.37.145	PTR	m37-145.mailgun.net
69.72.37.164	A	m37-164.mailgun.net
69.72.37.191	A	m37-191.mailgun.net
69.72.37.206	A	m37-206.mailgun.net
69.72.37.207	A	m37-207.mailgun.net
69.72.37.216	A+PTR	m37-216.mailgun.net
69.72.37.223	A	m37-223.mailgun.net
69.72.38.19	A	m38-19.mailgun.net
69.72.38.34	PTR	relay.offersdirect.com
69.72.38.35	PTR	relay2.offersdirect.com
69.72.38.113	A+PTR	east--11-113.dynamic-dialup.coretel.net
69.72.38.194	A	m38-194.mailgun.net
69.72.38.207	A	flewincy.com
69.72.39.81	A+PTR	m39-81.mailgun.net
69.72.39.115	PTR	east--12-115.dynamic-dialup.coretel.net
69.72.39.115	A	relay.momo.vn
69.72.39.142	A	hellonetuser02.com
69.72.39.142	A	hellonetuser03.com
69.72.39.176	PTR	m39-176.mailgun.net
69.72.39.216	PTR	mail.samtrygg.se
69.72.39.220	A	mg.designkollective.com
69.72.39.226	A+PTR	east--12-226.dynamic-dialup.coretel.net
69.72.39.253	A	m39-253.mailgun.net