Robtex

Up: 216.251.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.251.160.0/23
Down right: 216.251.162.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.251.160.0	A+PTR	0.160.251.216.lan.static.cptelecom.net
216.251.160.7	PTR	7.160.251.216.lan.static.cptelecom.net
216.251.160.30	A	mail.iwmweb.com
216.251.160.61	A+PTR	61.160.251.216.lan.static.cptelecom.net
216.251.160.64	A+PTR	exchange.superiorpackaging.com
216.251.160.71	A+PTR	71.160.251.216.lan.static.cptelecom.net
216.251.160.77	A	mail.cybertheque.org
216.251.160.77	A	ns1.cybertheque.org
216.251.160.84	A+PTR	84.160.251.216.lan.static.cptelecom.net
216.251.160.90	A	remote.soarcareers.org
216.251.160.96	PTR	96.160.251.216.lan.static.cptelecom.net
216.251.160.117	A	remote.duluthtimber.com
216.251.160.134	A	mail.hallettdock.com
216.251.160.136	A	mail01.bay-produce.com
216.251.160.140	A	140.160.251.216.lan.static.cptelecom.net
216.251.160.141	PTR	141.160.251.216.lan.static.cptelecom.net
216.251.160.155	PTR	155.160.251.216.lan.static.cptelecom.net
216.251.160.163	A+PTR	163.160.251.216.lan.static.cptelecom.net
216.251.160.172	A	172.160.251.216.lan.static.cptelecom.net
216.251.160.181	PTR	181.160.251.216.lan.static.cptelecom.net
216.251.160.204	PTR	204.160.251.216.lan.static.cptelecom.net
216.251.160.245	PTR	245.160.251.216.lan.static.cptelecom.net
216.251.160.252	PTR	252.160.251.216.lan.static.cptelecom.net
216.251.160.252	A	ironartz.net
216.251.160.252	A	iron-artz.com
216.251.160.255	PTR	255.160.251.216.lan.static.cptelecom.net
216.251.161.4	A	tickets.dsso.com
216.251.161.9	A	mail.rammutual.com
216.251.161.11	A	rammutual.com
216.251.161.11	A	www.rammutual.com
216.251.161.17	A	mail.woodlandhills.org
216.251.161.20	A	www.speakyourmindonline.org
216.251.161.20	A	speakyourmindonline.org
216.251.161.20	A	www.humandevelopmentcenter.org
216.251.161.43	A	mail.monacoairduluth.com
216.251.161.53	A	mail.fullcircleseniorliving.com
216.251.161.54	A	mail.dioceseduluth.org
216.251.161.75	A	mail.choiceunlimited.org
216.251.161.76	A	mail.wbduluth.com
216.251.161.130	A+PTR	mail.alarisgroup.com
216.251.161.136	A	m.alarisgroup.com
216.251.161.194	A+PTR	mail.mailhosting.citon.com
216.251.161.195	A+PTR	svcrelayin1.era.citon.com
216.251.161.195	A	eset.citon.com
216.251.161.197	A+PTR	relay.era.citon.com
216.251.161.197	A	monitor.citon.com
216.251.161.198	A+PTR	mx1.era.citon.com
216.251.161.200	A	mail.lhminsurance.com
216.251.161.200	A	mail.ulland.com
216.251.161.204	A+PTR	bounce.era.citon.com
216.251.161.204	A	supportsess.citon.com
216.251.161.206	A+PTR	ns1.citon.com
216.251.161.206	A	ns1.bis-net.net
216.251.161.214	A	m.voltagenoir.org
216.251.161.245	A+PTR	mail.citon.com
216.251.161.245	A	mail.invisibleinc.com
216.251.161.245	A	mx1.citon.com
216.251.161.250	A	www.citon.com
216.251.161.250	A	nettel.us
216.251.161.250	A	telcologix.com
216.251.162.0	A+PTR	0.162.251.216.dsl.static.cptelecom.net
216.251.162.22	A+PTR	216-251-162-22.ips.cpinternet.com
216.251.162.41	A	216-251-162-41.ips.cpinternet.com
216.251.162.49	PTR	216-251-162-49.ips.cpinternet.com
216.251.162.57	PTR	216-251-162-57.ips.cpinternet.com
216.251.162.154	PTR	216-251-162-154.ips.cpinternet.com
216.251.162.176	PTR	176.162.251.216.dsl.static.cptelecom.net
216.251.162.194	A+PTR	216-251-162-194.ips.cpinternet.com
216.251.162.227	A	www.lindfastgrp.com
216.251.162.255	PTR	255.162.251.216.lan.static.cptelecom.net
216.251.163.0	PTR	0.163.251.216.dsl.static.cptelecom.net
216.251.163.7	PTR	216-251-163-7.ips.cpinternet.com
216.251.163.10	PTR	216-251-163-10.ips.cpinternet.com
216.251.163.16	PTR	16.163.251.216.dsl.static.cptelecom.net
216.251.163.23	A+PTR	216-251-163-23.ips.cpinternet.com
216.251.163.24	A+PTR	216-251-163-24.ips.cpinternet.com
216.251.163.36	A	216-251-163-36.ips.cpinternet.com
216.251.163.37	A+PTR	216-251-163-37.ips.cpinternet.com
216.251.163.58	A+PTR	216-251-163-58.ips.cpinternet.com
216.251.163.74	A+PTR	216-251-163-74.ips.cpinternet.com
216.251.163.78	PTR	216-251-163-78.ips.cpinternet.com
216.251.163.99	A+PTR	216-251-163-99.ips.cpinternet.com
216.251.163.101	A+PTR	216-251-163-101.ips.cpinternet.com
216.251.163.122	A+PTR	216-251-163-122.ips.cpinternet.com
216.251.163.123	PTR	216-251-163-123.ips.cpinternet.com
216.251.163.123	A	mail.barashta.com
216.251.163.126	A+PTR	216-251-163-126.ips.cpinternet.com
216.251.163.132	A+PTR	216-251-163-132.ips.cpinternet.com
216.251.163.152	A+PTR	216-251-163-152.ips.cpinternet.com
216.251.163.168	A+PTR	216-251-163-168.ips.cpinternet.com
216.251.163.170	A	216-251-163-170.ips.cpinternet.com
216.251.163.187	A+PTR	216-251-163-187.ips.cpinternet.com
216.251.163.248	PTR	216-251-163-248.ips.cpinternet.com
216.251.163.248	A	donorth.net
216.251.163.248	A	www.donorth.net
216.251.163.255	PTR	255.163.251.216.dsl.static.cptelecom.net