Robtex

Up: 173.194.68.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 173.194.68.0/26
Down right: 173.194.68.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.194.68.1	A+PTR	qr-in-f1.1e100.net
173.194.68.12	A	chaneyassoc.com
173.194.68.14	A+PTR	qr-in-f14.1e100.net
173.194.68.16	A+PTR	qr-in-f16.1e100.net
173.194.68.16	A	mail.numoni.com
173.194.68.17	A+PTR	qr-in-f17.1e100.net
173.194.68.18	A+PTR	qr-in-f18.1e100.net
173.194.68.19	A+PTR	qr-in-f19.1e100.net
173.194.68.26	PTR	qr-in-f26.1e100.net
173.194.68.26	A	hawkcrest.com.s6a1.psmtp.com
173.194.68.26	A	spal.co.in.s6b2.psmtp.com
173.194.68.27	PTR	qr-in-f27.1e100.net
173.194.68.27	A	mconline.sg.s10a1.psmtp.com
173.194.68.27	A	spectrum-healthcare.com.s6a1.psmtp.com
173.194.68.28	A+PTR	qr-in-f28.1e100.net
173.194.68.28	A	outbounds9.obsmtp.com
173.194.68.28	A	smtp.sunyacc.edu
173.194.68.31	A+PTR	qr-in-f31.1e100.net
173.194.68.31	A	googleitahosted.com
173.194.68.44	A	qa-in-f44.1e100.net
173.194.68.48	A	qa-in-f48.1e100.net
173.194.68.72	PTR	qr-in-f72.1e100.net
173.194.68.77	A	qa-in-f77.1e100.net
173.194.68.81	A+PTR	qr-in-f81.1e100.net
173.194.68.81	A	preprod-blobcomments-pa-googleapis.sandbox.google.com
173.194.68.81	A	sandbox.google.com
173.194.68.82	PTR	qr-in-f82.1e100.net
173.194.68.82	A	hmtl5shiv.googlecode.com
173.194.68.82	A	www.googlesource.com
173.194.68.83	A+PTR	qr-in-f83.1e100.net
173.194.68.84	A+PTR	qr-in-f84.1e100.net
173.194.68.90	A+PTR	qr-in-f90.1e100.net
173.194.68.91	A+PTR	qr-in-f91.1e100.net
173.194.68.92	A	tokenized.play.google.com
173.194.68.93	A+PTR	qr-in-f93.1e100.net
173.194.68.94	PTR	qr-in-f94.1e100.net
173.194.68.94	A	p4-h7dbcnkkcapk2-dco625v4jley4kmt-if-v6exp3-v4.metric.gstatic.com
173.194.68.94	A	p4-hdy25jnchqv3c-q5qs5fxyp633iyuq-if-v6exp3-v4.metric.gstatic.com
173.194.68.95	PTR	qr-in-f95.1e100.net
173.194.68.95	A	www.project.googleapis.com
173.194.68.95	A	wip3.buzz.googleapis.com
173.194.68.96	A+PTR	qr-in-f96.1e100.net
173.194.68.97	A+PTR	qr-in-f97.1e100.net
173.194.68.98	A+PTR	qr-in-f98.1e100.net
173.194.68.99	A+PTR	qr-in-f99.1e100.net
173.194.68.99	A	google.com.hn
173.194.68.100	PTR	qr-in-f100.1e100.net
173.194.68.100	A	admob.ph
173.194.68.100	A	admob.fi
173.194.68.101	A+PTR	qr-in-f101.1e100.net
173.194.68.101	A	admob.ph
173.194.68.101	A	admob.fi
173.194.68.102	PTR	qr-in-f102.1e100.net
173.194.68.102	A	admob.ph
173.194.68.102	A	admob.fi
173.194.68.103	A+PTR	qr-in-f103.1e100.net
173.194.68.103	A	google.com.hn
173.194.68.104	A+PTR	qr-in-f104.1e100.net
173.194.68.104	A	google.com.hn
173.194.68.105	A+PTR	qr-in-f105.1e100.net
173.194.68.105	A	google.com.hn
173.194.68.106	A+PTR	qr-in-f106.1e100.net
173.194.68.106	A	google.com.hn
173.194.68.107	A+PTR	qr-in-f107.1e100.net
173.194.68.108	PTR	qr-in-f108.1e100.net
173.194.68.108	A	mail.t4f.com.ar
173.194.68.108	A	b1imap.qt-q.com
173.194.68.109	PTR	qr-in-f109.1e100.net
173.194.68.109	A	mail.t4f.com.ar
173.194.68.109	A	b1imap.qt-q.com
173.194.68.112	A+PTR	qr-in-f112.1e100.net
173.194.68.113	PTR	qr-in-f113.1e100.net
173.194.68.113	A	admob.ph
173.194.68.113	A	admob.fi
173.194.68.114	A+PTR	qr-in-f114.1e100.net
173.194.68.115	A+PTR	qr-in-f115.1e100.net
173.194.68.116	A+PTR	qr-in-f116.1e100.net
173.194.68.117	PTR	qr-in-f117.1e100.net
173.194.68.118	A+PTR	qr-in-f118.1e100.net
173.194.68.120	A+PTR	qr-in-f120.1e100.net
173.194.68.121	PTR	qr-in-f121.1e100.net
173.194.68.121	A	correo.udo.edu.ve
173.194.68.121	A	dstvseapointcapetown.wozaonline.co.za
173.194.68.122	A+PTR	qr-in-f122.1e100.net
173.194.68.123	A+PTR	qr-in-f123.1e100.net
173.194.68.124	A+PTR	qr-in-f124.1e100.net
173.194.68.125	A+PTR	qr-in-f125.1e100.net
173.194.68.125	A	alt3.xmpp-server.l.google.com
173.194.68.125	A	alt4.xmpp-server.l.google.com