Robtex

Up: 23.228.184.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.228.188.0/23
Down right: 23.228.190.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.228.188.8	A+PTR	23-228-188-8.mci.googlefiber.net
23.228.188.8	A	oharahs.org
23.228.188.8	A	*.oharahs.org
23.228.188.18	PTR	23-228-188-18.mci.googlefiber.net
23.228.188.18	A	mail.pwsd2.org
23.228.188.19	PTR	23-228-188-19.mci.googlefiber.net
23.228.188.19	A	65-68-41-179.pwsd2.org
23.228.188.19	A	65-68-41-182.pwsd2.org
23.228.188.193	A	mail.procharger.com
23.228.188.225	A	smtp.cothks.com
23.228.188.225	A	remote.cothks.com
23.228.188.225	A	owa.cothks.com
23.228.189.11	A+PTR	23-228-189-11.mci.googlefiber.net
23.228.189.19	A	silverwarereplacements.com
23.228.189.66	PTR	23-228-189-66.mci.googlefiber.net
23.228.189.66	A	mx04.tradebotproperties.com
23.228.189.66	A	mx04.tatora.com
23.228.190.11	A	mail.pcpeds.com
23.228.190.90	A+PTR	23-228-190-90.mci.googlefiber.net
23.228.190.90	A	bobherzig.dyndns.org
23.228.191.27	A	production.betasigmaphi.org
23.228.191.29	A	mail.betasigmaphi.org
23.228.191.42	A+PTR	23-228-191-42.mci.googlefiber.net
23.228.191.42	A	ns1.starnetsbs.com
23.228.191.42	A	ns11.starnetsystems.org
23.228.191.44	A	ns13.starnetsystems.org
23.228.191.44	A	ns13.dblacksystems.net
23.228.191.45	A	ns1.starnetsbs.com
23.228.191.45	A	mail2.starnetsbs.com
23.228.191.103	PTR	23-228-191-103.mci.googlefiber.net
23.228.191.218	A+PTR	23-228-191-218.mci.googlefiber.net
23.228.191.245	A+PTR	23-228-191-245.mci.googlefiber.net
23.228.191.245	A	mail.water.org
23.228.191.249	A	mail.dbjlaw.net
23.228.191.250	A	mail.hubbellfirm.com
23.228.191.255	PTR	23-228-191-255.mci.googlefiber.net