Robtex

Up: 31.13.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 31.13.96.0/20
Down right: 31.13.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.13.96.192	A	alpha-shv-10-lla2.facebook.com
31.13.96.193	A	beta-shv-10-lla2.facebook.com
31.13.96.194	A	betanet-shv-10-lla2.facebook.com
31.13.96.195	A	secure-beta-shv-10-lla2.facebook.com
31.13.97.8	A	rsxepcn3rtwsqrakvcqwhqellbi-.rk0.www.m.beta.facebook.com
31.13.97.8	A	*.f2.beta.facebook.com
31.13.97.8	A	*.blog.beta.facebook.com
31.13.97.9	PTR	betanet-shv-03-lla1.facebook.com
31.13.97.69	A	vpnskyw.com
31.13.97.225	A	edge-z-1-shv-03-lla1.facebook.com
31.13.97.242	A	star-shv-03-lla1.facebook.com
31.13.97.245	A	383775.com
31.13.97.245	A	cn9444.com
31.13.98.2	A	snaptu-z.t.faceb.ipq.co
31.13.98.3	A+PTR	snaptu-da-shv-04-lla1.facebook.com
31.13.98.3	A	snaptu-d.vvv.facebook.com
31.13.98.17	A	atlas-shv-04-lla1.facebook.com
31.13.99.1	A	vpnyu.com
31.13.99.23	A	edge-star-shv-06-lla1.facebook.com
31.13.99.27	A	edge-z-shv-06-lla1.facebook.com
31.13.99.28	A	edge-z-m-shv-06-lla1.facebook.com
31.13.99.33	A	edge-z-1-shv-06-lla1.facebook.com
31.13.99.64	A	dbwsj.com
31.13.99.68	A	ssyy.xxkk.net
31.13.99.72	A	wwww77130.com
31.13.99.72	A	eee9702.com
31.13.100.1	A	atlas-shv-07-lla1.facebook.com
31.13.100.9	PTR	snaptu-za-shv-07-lla1.facebook.com
31.13.100.11	A	mqtt-shv-07-lla1.facebook.com
31.13.102.2	A	woool123.com
31.13.102.2	A	xn--fhqw1vj7rbvan9cpu4by70b.com
31.13.102.2	A	appspot.com--1179276.jjwxc.net
31.13.102.3	PTR	www-connect-shv-09-lla1.facebook.com
31.13.102.68	A	ns.somee.com.lemedesign.com
31.13.102.68	A	www.greenvpngw.com
31.13.102.68	A	wdwg999.com
31.13.103.0	PTR	fwdproxy-odn-000.fbsv.net
31.13.103.2	A	fwdproxy-odn-002.fbsv.net
31.13.103.3	A+PTR	fwdproxy-odn-003.fbsv.net
31.13.103.5	A	fwdproxy-odn-005.fbsv.net
31.13.103.7	A	fwdproxy-odn-007.fbsv.net
31.13.103.33	A+PTR	fwdproxy-odn-033.fbsv.net
31.13.103.119	PTR	fwdproxy-odn-119.fbsv.net
31.13.103.250	A+PTR	origincache-shv-01-rodn0.fbcdn.net
31.13.103.250	A	origincache-odn.t.fbcdn.net
31.13.106.1	A	origincache-all.t.fbcdn.net
31.13.106.4	PTR	vupload2-shv-15-lla1.facebook.com
31.13.109.1	A	snaptu-d-shv-11-lla1.facebook.com
31.13.109.2	A+PTR	snaptu-za-shv-11-lla1.facebook.com
31.13.109.3	PTR	snaptu-da-shv-11-lla1.facebook.com
31.13.109.6	A	iorg-fba-shv-11-lla1.facebook.com
31.13.109.7	A	snaptu-service-proxy-shv-11-lla1.facebook.com
31.13.110.1	PTR	star-shv-12-lla1.facebook.com
31.13.110.2	A	436uc.com
31.13.110.3	A	gvlibrary.com
31.13.110.3	A	xawsj.com
31.13.110.3	A	wwwjb7891.com
31.13.110.32	A	localhost.admin.ltwsj.com
31.13.110.32	A	363668888.com
31.13.110.32	A	www.fywsj.com
31.13.110.40	A	8657799.com
31.13.111.2	A	t022666.com
31.13.111.2	A	2773775.com
31.13.111.8	A	*.portobranco25.tumblr.com.cn
31.13.111.8	A	089702.com
31.13.111.9	A	gvlibrary.com
31.13.111.36	A	87p555.com
31.13.111.36	A	3000ok.com.xw7.com
31.13.111.36	A	xn--nyq514ausaw23c.com
31.13.112.1	A	en-gb.ja-jp.inyour.facebook.com
31.13.112.1	A	ja-jp.tr-tr.inyour.facebook.com
31.13.112.1	A	zh-tw.nl-nl.inyour.facebook.com
31.13.112.5	A	87p555.com
31.13.113.140	A+PTR	origincache-shv-05-lla2.fbcdn.net
31.13.113.141	PTR	atlas-shv-05-lla2.facebook.com
31.13.113.141	A	atlas.vvv.facebook.com
31.13.113.142	A	snaptu-da-shv-05-lla2.facebook.com
31.13.113.143	A	snaptu-za-shv-05-lla2.facebook.com
31.13.113.144	A	origincache-lla.t.fbcdn.net
31.13.113.209	A	snaptu-za-shv-07-lla2.facebook.com
31.13.113.210	A	snaptu-d-shv-07-lla2.facebook.com
31.13.114.16	A	origincache-lla.t.fbcdn.net
31.13.114.33	A+PTR	snaptu-za-shv-11-lla2.facebook.com
31.13.114.35	A	snaptu-service-proxy-shv-11-lla2.facebook.com
31.13.114.39	A	iorg-fba-shv-11-lla2.facebook.com
31.13.114.192	A	origincache-lla.t.fbcdn.net
31.13.115.1	A+PTR	fwdproxy-lla-001.fbsv.net
31.13.115.2	A+PTR	fwdproxy-lla-002.fbsv.net
31.13.115.3	A+PTR	fwdproxy-lla-003.fbsv.net
31.13.115.4	A	fwdproxy-lla-004.fbsv.net
31.13.115.114	A+PTR	fwdproxy-lla-114.fbsv.net
31.13.115.120	PTR	fwdproxy-lla-120.fbsv.net
31.13.115.250	A	origincache-lla.t.fbcdn.net
31.13.122.16	A+PTR	vip31-13-122-16.dns.tfbnw.net
31.13.124.64	A	origincache-cln.t.fbcdn.net
31.13.124.64	A	origincache-shv-04-cln1.fbcdn.net
31.13.125.1	A	origincache-cln.t.fbcdn.net
31.13.127.1	A	fwdproxy-cln-001.fbsv.net
31.13.127.2	A	fwdproxy-cln-002.fbsv.net
31.13.127.3	A	fwdproxy-cln-003.fbsv.net
31.13.127.4	A	fwdproxy-cln-004.fbsv.net
31.13.127.33	PTR	fwdproxy-cln-033.fbsv.net
31.13.127.117	PTR	fwdproxy-cln-117.fbsv.net
31.13.127.118	PTR	fwdproxy-cln-118.fbsv.net