Robtex

Up: 40.133.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 40.133.0.0/20
Down right: 40.133.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
40.133.0.0	PTR	h0.0.133.40.static.ip.windstream.net
40.133.0.1	A	h1.0.133.40.static.ip.windstream.net
40.133.0.6	A	h6.0.133.40.static.ip.windstream.net
40.133.0.33	PTR	h33.0.133.40.static.ip.windstream.net
40.133.0.34	A+PTR	h34.0.133.40.static.ip.windstream.net
40.133.0.74	A	h74.0.133.40.static.ip.windstream.net
40.133.0.94	A	h94.0.133.40.static.ip.windstream.net
40.133.0.100	A	h100.0.133.40.static.ip.windstream.net
40.133.0.146	A	mail2.churchatrockcreek.com
40.133.0.147	A	h147.0.133.40.static.ip.windstream.net
40.133.0.187	A	h187.0.133.40.static.ip.windstream.net
40.133.0.191	A	h191.0.133.40.static.ip.windstream.net
40.133.0.218	A	h218.0.133.40.static.ip.windstream.net
40.133.0.243	A	mail.jmoutdoors.com
40.133.0.243	A	h243.0.133.40.static.ip.windstream.net
40.133.0.245	A	remote.jmoutdoors.com
40.133.0.246	A	jmoutdoors.com
40.133.1.26	PTR	h26.1.133.40.static.ip.windstream.net
40.133.1.46	A+PTR	h46.1.133.40.static.ip.windstream.net
40.133.1.100	A+PTR	mail.nurse.tv
40.133.1.100	A	mail.tnaa.net
40.133.1.101	PTR	h101.1.133.40.static.ip.windstream.net
40.133.1.101	A	nurse.tv
40.133.1.101	A	www.nurse.tv
40.133.1.105	PTR	h105.1.133.40.static.ip.windstream.net
40.133.1.107	PTR	h107.1.133.40.static.ip.windstream.net
40.133.1.139	A	attackandreact.net
40.133.1.162	A	h162.1.133.40.static.ip.windstream.net
40.133.1.166	A+PTR	h166.1.133.40.static.ip.windstream.net
40.133.2.10	A	www.sflic.net
40.133.2.10	A	sfhspas01.sflic.net
40.133.2.10	A	*.sflic.net
40.133.3.182	A	owa.jrmc.org
40.133.3.187	A	barracuda.jrmc.org
40.133.3.188	PTR	h188.3.133.40.static.ip.windstream.net
40.133.3.188	A	host205.jrmc.org
40.133.3.188	A	jrmc-mirth.jrmc.org
40.133.3.189	PTR	h189.3.133.40.static.ip.windstream.net
40.133.3.210	A	h210.3.133.40.static.ip.windstream.net
40.133.4.3	A	securemail.afcu.org
40.133.4.54	A	h54.4.133.40.static.ip.windstream.net
40.133.4.106	A	h106.4.133.40.static.ip.windstream.net
40.133.4.210	A	mail.cabinetdoorshop.com
40.133.4.218	A	h218.4.133.40.static.ip.windstream.net
40.133.4.218	A	eastinitiative.com
40.133.4.218	A	eaststaff.org
40.133.4.240	A	h240.4.133.40.static.ip.windstream.net
40.133.5.2	PTR	h2.5.133.40.static.ip.windstream.net
40.133.5.114	A	mx2.safefoods.net
40.133.5.114	A	mail.safefoods.com
40.133.5.194	PTR	h194.5.133.40.static.ip.windstream.net
40.133.5.194	A	www.sriplanroom.com
40.133.5.194	A	sriplanroom.com
40.133.5.195	A+PTR	h195.5.133.40.static.ip.windstream.net
40.133.5.206	PTR	h206.5.133.40.static.ip.windstream.net
40.133.5.242	A+PTR	h242.5.133.40.static.ip.windstream.net
40.133.6.12	A+PTR	h12.6.133.40.static.ip.windstream.net
40.133.6.12	A	r1.sn-fpoqnugx5h-hxhe.c.pack.google.com
40.133.6.12	A	r1.sn-fpoqnugx5h-hxhe.gvt1.com
40.133.6.13	PTR	h13.6.133.40.static.ip.windstream.net
40.133.6.14	PTR	h14.6.133.40.static.ip.windstream.net
40.133.6.15	PTR	h15.6.133.40.static.ip.windstream.net
40.133.6.34	PTR	h34.6.133.40.static.ip.windstream.net
40.133.6.38	PTR	h38.6.133.40.static.ip.windstream.net
40.133.6.49	A	h49.6.133.40.static.ip.windstream.net
40.133.6.211	A+PTR	mail.aaasea.org
40.133.6.241	A+PTR	h241.6.133.40.static.ip.windstream.net
40.133.7.2	A	mail3.rpsar.net
40.133.7.5	A+PTR	h5.7.133.40.static.ip.windstream.net
40.133.7.5	A	mail.rpsar.net
40.133.7.62	A+PTR	h62.7.133.40.static.ip.windstream.net
40.133.7.98	A+PTR	h98.7.133.40.static.ip.windstream.net
40.133.7.158	PTR	h158.7.133.40.static.ip.windstream.net
40.133.7.241	A+PTR	h241.7.133.40.static.ip.windstream.net
40.133.7.242	A	mail.elhlaw.com
40.133.10.130	A+PTR	mail.afmc.org
40.133.10.131	A+PTR	mail2.afmc.org
40.133.10.154	PTR	h154.10.133.40.static.ip.windstream.net
40.133.10.154	A	preventdrugabuse.org
40.133.10.154	A	prevention-works.com
40.133.11.2	A+PTR	h2.11.133.40.static.ip.windstream.net
40.133.13.31	A	h31.13.133.40.static.ip.windstream.net
40.133.13.146	A	h146.13.133.40.static.ip.windstream.net
40.133.14.98	A	www.rbs-dequeen.com
40.133.14.99	A+PTR	h99.14.133.40.static.ip.windstream.net
40.133.14.99	A	mail.rbs-dequeen.com
40.133.14.99	A	webmail.rbs-dequeen.com
40.133.15.82	A+PTR	h82.15.133.40.static.ip.windstream.net
40.133.15.82	A	justintolbert.us
40.133.15.82	A	tolbert.us
40.133.18.22	A+PTR	h22.18.133.40.static.ip.windstream.net
40.133.18.22	A	ns1.convoylogistics.info
40.133.18.22	A	convoylogistics.info
40.133.20.146	A	mail.springdalear.gov
40.133.20.151	A	smtp2.springdalear.gov
40.133.20.152	A	springdalear.gov
40.133.20.152	A	www.springdalear.gov
40.133.21.195	A	apprenticeisapps.com
40.133.21.198	A	support.apprenticeis.com
40.133.21.200	A	mail.countyservice.net
40.133.21.201	PTR	mail.apprenticeis.com
40.133.24.4	A	mail.lonokebroadband.net
40.133.24.4	A	mail.apcomwireless.com
40.133.24.4	A	mail.lcjd.org
40.133.25.155	A	mail2.fbtbank.com
40.133.31.255	PTR	h255.31.133.40.static.ip.windstream.net