Robtex

Up: 23.228.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 23.228.144.0/22
Down right: 23.228.148.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.228.144.52	A+PTR	23-228-144-52.mci.googlefiber.net
23.228.144.52	A	ttvedten.com
23.228.145.20	A+PTR	23-228-145-20.mci.googlefiber.net
23.228.145.20	A	caughron.com
23.228.145.20	A	caughron.net
23.228.145.22	PTR	23-228-145-22.mci.googlefiber.net
23.228.145.31	A	fooglegiber.com
23.228.146.17	A+PTR	23-228-146-17.mci.googlefiber.net
23.228.146.18	A+PTR	23-228-146-18.mci.googlefiber.net
23.228.146.19	A+PTR	23-228-146-19.mci.googlefiber.net
23.228.146.20	A+PTR	23-228-146-20.mci.googlefiber.net
23.228.146.162	A	mail.tabcoinc.com
23.228.146.163	A+PTR	23-228-146-163.mci.googlefiber.net
23.228.146.163	A	tabcoinc.com
23.228.146.163	A	www.tabcoinc.com
23.228.149.200	A	mail.pallotto.net
23.228.149.200	A	pallotto.net
23.228.150.9	A+PTR	23-228-150-9.mci.googlefiber.net
23.228.150.9	A	1qr.me
23.228.150.9	A	letsprint.com
23.228.150.11	A+PTR	23-228-150-11.mci.googlefiber.net
23.228.150.51	A+PTR	23-228-150-51.mci.googlefiber.net
23.228.150.51	A	eset2.purpleguys.com
23.228.150.53	A+PTR	23-228-150-53.mci.googlefiber.net
23.228.150.53	A	control.purpleguys.com
23.228.150.129	A+PTR	23-228-150-129.mci.googlefiber.net
23.228.150.129	A	www.middlewest.com
23.228.150.129	A	middlewest.com
23.228.150.177	A+PTR	mail.infinity-ts.com
23.228.150.177	A	roadhack.com
23.228.150.179	A	bandhack.com
23.228.150.179	A	waltondrilling.com
23.228.150.180	PTR	23-228-150-180.mci.googlefiber.net
23.228.150.214	A	23-228-150-214.mci.googlefiber.net
23.228.151.14	PTR	mail.halbrooklaw.com
23.228.151.14	A	mail.halbrookwoodlaw.com
23.228.151.14	A	halbrooklaw.com
23.228.151.32	A+PTR	23-228-151-32.mci.googlefiber.net
23.228.151.32	A	testyourusers.com
23.228.151.250	PTR	remote.printtime1.com
23.228.151.250	A	printtime1.com