Robtex

Up: 173.252.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 173.252.112.0/21
Down right: 173.252.120.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.252.112.5	A	kadincizgisi.tumblr.com.cn
173.252.112.5	A	52022666.com
173.252.112.18	A	myfungou.com
173.252.112.18	A	star-shv-03-ash5.facebook.com
173.252.112.18	A	sdx688.com
173.252.112.23	A	sdx688.com
173.252.112.67	A	profile-b-sjc.xx.fbcdn.net
173.252.113.1	A+PTR	channel-proxy-test-shv-07-ash2.facebook.com
173.252.113.2	A	channel-proxy-shv-07-ash2.facebook.com
173.252.113.4	A+PTR	snaptu-service-proxy-shv-07-ash2.facebook.com
173.252.113.6	A	snaptu-d-shv-07-ash2.facebook.com
173.252.113.21	A	origincache-shv-07-ash2.fbcdn.net
173.252.113.24	A	vupload2-shv-07-ash2.facebook.com
173.252.113.24	A	api-video.facebook.com
173.252.114.2	A	iorg-fba-shv-09-frc3.facebook.com
173.252.114.3	A	cinyour.vvv.facebook.com
173.252.114.4	A+PTR	atlasalpha-shv-09-frc3.facebook.com
173.252.114.6	A	hu-hu.pt-br.inyour.facebook.com
173.252.115.16	A+PTR	origincache-shv-25-frc1.fbcdn.net
173.252.115.16	A	origincache-pf.t.fbcdn.net
173.252.115.17	A	fvc-bgp-25-frc1.facebook.com
173.252.115.18	A+PTR	ig-telegraph-shv-25-frc1.facebook.com
173.252.115.48	A	origincache-shv-23-frc1.fbcdn.net
173.252.115.48	A	origincache-frc.t.fbcdn.net
173.252.115.49	A	snaptu-da-shv-23-frc1.facebook.com
173.252.115.50	A+PTR	snaptu-za-shv-23-frc1.facebook.com
173.252.115.66	A	pushnotifs-shv-16-frc1.facebook.com
173.252.115.128	A	origincache-shv-11-ash3.fbcdn.net
173.252.115.128	A	origincache-ash.t.fbcdn.net
173.252.115.129	A	fvc-bgp-11-ash3.facebook.com
173.252.115.130	A	snaptu-da-shv-11-ash3.facebook.com
173.252.115.172	A	origincache-shv-19-frc1.fbcdn.net
173.252.115.208	A+PTR	origincache-shv-20-frc1.fbcdn.net
173.252.120.1	A+PTR	star-shv-12-frc3.facebook.com
173.252.120.2	A	c2s-run.liverail.com
173.252.120.2	A	c2s-adap.liverail.com
173.252.120.2	A	c2s-iponweb.liverail.com
173.252.120.19	A	alpha-shv-12-frc3.facebook.com
173.252.120.20	A	beta-shv-12-frc3.facebook.com
173.252.120.20	A	*.id-idm.blog.beta.facebook.com
173.252.120.20	A	*.beta.facebook.com
173.252.120.28	A	kadincizgisi.tumblr.com.cn
173.252.120.64	A	ns1.everdns.com.hao119.com
173.252.120.64	A	xn--znx123c.com
173.252.120.68	A	pepsiarabia.com
173.252.120.68	A	doctromtinnhan.net
173.252.120.140	A	fherry.zxc.re
173.252.121.1	A	edgeray-origin-shv-11-frc3.facebook.com
173.252.121.1	A	kshin.zxc.re
173.252.121.3	A+PTR	xmpp-shv-11-frc3.facebook.com
173.252.122.3	A	origincache-shv-06-ash3.fbcdn.net
173.252.122.3	A	origincache-fa.t.fbcdn.net
173.252.122.4	A	api-video.facebook.com
173.252.122.46	A	origincache-vll.t.fbcdn.net
173.252.122.46	A	origincache-shv-10-ash2.fbcdn.net
173.252.122.80	A+PTR	vip173-252-122-80.dns.tfbnw.net
173.252.123.73	A	alpha-shv-08-ash6.facebook.com
173.252.123.73	A	alpha.vvv.facebook.com
173.252.123.85	A	beta-shv-08-ash6.facebook.com
173.252.123.85	A	chat.beta.messenger.com
173.252.123.160	A	ig-telegraph-shv-09-ash6.facebook.com
173.252.123.161	A	origincache-ash.t.fbcdn.net
173.252.123.163	A	snaptu-da-shv-09-ash6.facebook.com
173.252.123.164	A	snaptu-za-shv-09-ash6.facebook.com
173.252.124.32	A	origincache-frc.t.fbcdn.net
173.252.124.32	A	origincache-shv-26-frc1.fbcdn.net
173.252.124.33	A	snaptu-da-shv-26-frc1.facebook.com
173.252.124.34	A	snaptu-za-shv-26-frc1.facebook.com
173.252.124.97	PTR	snaptu-za-shv-01-frc2.facebook.com
173.252.124.100	A	origincache-frc.t.fbcdn.net
173.252.124.100	A	origincache-shv-01-frc2.fbcdn.net
173.252.127.1	A	fwdproxy-frc-001.fbsv.net
173.252.127.2	A+PTR	fwdproxy-frc-002.fbsv.net
173.252.127.3	A+PTR	fwdproxy-frc-003.fbsv.net
173.252.127.4	A	fwdproxy-frc-004.fbsv.net
173.252.127.16	A+PTR	fwdproxy-frc-016.fbsv.net
173.252.127.17	A	fwdproxy-frc-017.fbsv.net
173.252.127.18	A+PTR	fwdproxy-frc-018.fbsv.net
173.252.127.19	A	fwdproxy-frc-019.fbsv.net
173.252.127.32	A+PTR	fwdproxy-frc-032.fbsv.net
173.252.127.33	A+PTR	fwdproxy-frc-033.fbsv.net
173.252.127.34	A+PTR	fwdproxy-frc-034.fbsv.net
173.252.127.35	A+PTR	fwdproxy-frc-035.fbsv.net
173.252.127.48	A	fwdproxy-frc-048.fbsv.net
173.252.127.49	A	fwdproxy-frc-049.fbsv.net
173.252.127.50	A+PTR	fwdproxy-frc-050.fbsv.net
173.252.127.51	A	fwdproxy-frc-051.fbsv.net
173.252.127.112	PTR	fwdproxy-frc-112.fbsv.net
173.252.127.120	PTR	fwdproxy-frc-120.fbsv.net
173.252.127.250	A+PTR	origincache-shv-01-rfrc0.fbcdn.net
173.252.127.250	A	origincache-frc.t.fbcdn.net
173.252.127.251	A+PTR	msgin-regional-shv-01-rfrc0.facebook.com
173.252.127.252	A+PTR	headers-shv-00-rfrc0.facebook.com