Robtex

Up: 131.253.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 131.253.32.0/22
Down right: 131.253.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
131.253.32.0	A	tora.den02.msedge.net
131.253.32.0	A	tora.dna.msedge.net
131.253.32.28	PTR	ash.edge.bing.com
131.253.32.75	PTR	core.lax.msedge.net
131.253.32.84	PTR	phx02.edge.bing.com
131.253.32.215	A	tor2.ata.msedge.net
131.253.32.255	A	tor3.lax.msedge.net
131.253.33.1	A+PTR	ns1.dc-msedge.net
131.253.33.2	A+PTR	ns2.dc-msedge.net
131.253.33.22	PTR	hk2edge01102vn.msedge.net
131.253.33.50	PTR	c-0001.dc-msedge.net
131.253.33.50	A	au.c-0001.e-msedge.net
131.253.33.50	A	main.dl.windowsupdate.com.nsatc.net
131.253.33.200	PTR	a-0001.dc-msedge.net
131.253.33.200	A	bingflight.com
131.253.33.200	A	news.live.com
131.253.33.201	PTR	a-0002.dc-msedge.net
131.253.33.203	PTR	a-0003.dc-msedge.net
131.253.33.208	A+PTR	a-0006.dc-msedge.net
131.253.33.208	A	blu180-mail-live-com.a-0006.a-msedge.net
131.253.33.208	A	blu179.afx.ms
131.253.33.209	PTR	a-0007.dc-msedge.net
131.253.33.210	PTR	a-0008.dc-msedge.net
131.253.33.211	PTR	a-0009.dc-msedge.net
131.253.33.217	A	a-0014.dc-msedge.net
131.253.33.219	A	a-0016.dc-msedge.net
131.253.33.220	A	a-0017.dc-msedge.net
131.253.33.223	A	www-bing-com.a-0020.dc-msedge.net
131.253.33.234	A	a-0031.dc-msedge.net
131.253.33.235	A	a-0032.dc-msedge.net
131.253.33.253	A	a-9998.dc-msedge.net
131.253.33.254	A	a-9999.dc-msedge.net
131.253.34.1	A	sg1.api.bing.com
131.253.34.1	A	origin.sg1.fd.api.bing.net
131.253.34.1	A	origin.sg1.bing.com
131.253.34.5	PTR	bedrockjptest.msn.com
131.253.34.141	A	h.msn.com.nsatc.net
131.253.34.144	A	c.msn-int.com
131.253.34.153	A	cm.adc.glbdns2.microsoft.com
131.253.34.159	A	44165751.r.msn.com
131.253.34.159	A	48014135.r.msn.com
131.253.34.159	A	1376930.r.msn.com
131.253.34.162	A	flex.msn.com.nsatc.net
131.253.34.163	A	bat.redir.si.adcenter.msn.com
131.253.34.163	A	g.msn-int.com
131.253.34.165	A	aidps.msn-int.com
131.253.34.185	A	analytics.msn.com.nsatc.net
131.253.34.185	A	analytics.atdmt.com.nsatc.net
131.253.34.189	A	udc.udc0.glbdns2.microsoft.com
131.253.34.190	A	udc-ppe.udc0.glbdns2.microsoft.com
131.253.34.198	PTR	int.uhrs.playmsn.com
131.253.34.226	A	useast-proxy-public-http.reco.mp.microsoft.com.akadns.net
131.253.34.230	A+PTR	bn2wns1.wns.windows.com
131.253.34.231	A	s.notify.live.net
131.253.34.231	A	df.activity.windows.com.akadns.net
131.253.34.232	PTR	bn3sch020010527.wns.windows.com
131.253.34.232	A	bn3sch020010529.wns.windows.com
131.253.34.232	A	bn4sch101120722.wns.windows.com
131.253.34.233	PTR	bn3sch020010530.wns.windows.com
131.253.34.234	PTR	bn3sch020010536.wns.windows.com
131.253.34.241	A	projectkonacompute.net
131.253.34.241	A	projectcabostore.net
131.253.34.242	PTR	bn3sch020010545.wns.windows.com
131.253.34.242	A	bn4sch101121610.wns.windows.com
131.253.34.242	A	bn3sch020010546.wns.windows.com
131.253.34.243	PTR	bn3sch020010549.wns.windows.com
131.253.34.248	A+PTR	bn3sch020010626.wns.windows.com
131.253.34.248	A	bn4sch101121623.wns.windows.com
131.253.34.248	A	bn3sch020010627.wns.windows.com
131.253.34.249	PTR	bn3sch020010629.wns.windows.com
131.253.34.250	PTR	bn3sch020010631.wns.windows.com
131.253.34.251	PTR	bn3sch020010633.wns.windows.com
131.253.35.169	A+PTR	msnbot-131-253-35-169.search.msn.com
131.253.36.130	PTR	msnbot-131-253-36-130.search.msn.com
131.253.36.144	PTR	msnbot-131-253-36-144.search.msn.com
131.253.36.147	PTR	msnbot-131-253-36-147.search.msn.com
131.253.36.160	PTR	msnbot-131-253-36-160.search.msn.com
131.253.36.173	A	msnbot-131-253-36-173.search.msn.com
131.253.36.177	PTR	msnbot-131-253-36-177.search.msn.com
131.253.36.184	PTR	msnbot-131-253-36-184.search.msn.com
131.253.36.195	PTR	msnbot-131-253-36-195.search.msn.com
131.253.36.198	A	msnbot-131-253-36-198.search.msn.com
131.253.36.200	PTR	msnbot-131-253-36-200.search.msn.com
131.253.36.201	PTR	msnbot-131-253-36-201.search.msn.com
131.253.36.202	A+PTR	msnbot-131-253-36-202.search.msn.com
131.253.36.209	PTR	msnbot-131-253-36-209.search.msn.com
131.253.36.210	PTR	msnbot-131-253-36-210.search.msn.com
131.253.36.219	PTR	msnbot-131-253-36-219.search.msn.com
131.253.36.224	PTR	msnbot-131-253-36-224.search.msn.com
131.253.36.227	PTR	msnbot-131-253-36-227.search.msn.com
131.253.36.233	PTR	msnbot-131-253-36-233.search.msn.com
131.253.36.242	PTR	msnbot-131-253-36-242.search.msn.com
131.253.36.251	PTR	msnbot-131-253-36-251.search.msn.com
131.253.37.2	A	ecn.api.tiles.virtualearth.net
131.253.37.3	A+PTR	media-assetcatalog-origin-db3.microsoft.com
131.253.37.9	PTR	aesdb3.ss.binginternal.com
131.253.37.19	PTR	prod.db3.origin.t0.tiles.virtualearth.net
131.253.37.19	A	r0.ortho.tiles.virtualearth.net
131.253.37.19	A	h1.ortho.tiles.virtualearth.net
131.253.38.3	PTR	msnbot-131-253-38-3.search.msn.com
131.253.38.10	PTR	msnbot-131-253-38-10.search.msn.com
131.253.38.19	PTR	msnbot-131-253-38-19.search.msn.com
131.253.38.26	A	msnbot-131-253-38-26.search.msn.com
131.253.38.27	A+PTR	msnbot-131-253-38-27.search.msn.com
131.253.38.32	PTR	msnbot-131-253-38-32.search.msn.com
131.253.38.64	PTR	msnbot-131-253-38-64.search.msn.com
131.253.38.67	A+PTR	msnbot-131-253-38-67.search.msn.com
131.253.38.72	PTR	msnbot-131-253-38-72.search.msn.com
131.253.38.74	PTR	msnbot-131-253-38-74.search.msn.com
131.253.38.97	A+PTR	msnbot-131-253-38-97.search.msn.com
131.253.38.101	A	msnbot-131-253-38-101.search.msn.com
131.253.38.104	PTR	msnbot-131-253-38-104.search.msn.com
131.253.38.107	PTR	msnbot-131-253-38-107.search.msn.com
131.253.38.120	PTR	msnbot-131-253-38-120.search.msn.com
131.253.38.131	A+PTR	msnbot-131-253-38-131.search.msn.com
131.253.38.147	A+PTR	msnbot-131-253-38-147.search.msn.com
131.253.38.150	A	msnbot-131-253-38-150.search.msn.com
131.253.38.152	PTR	msnbot-131-253-38-152.search.msn.com
131.253.38.171	PTR	msnbot-131-253-38-171.search.msn.com
131.253.38.178	PTR	msnbot-131-253-38-178.search.msn.com
131.253.38.184	PTR	msnbot-131-253-38-184.search.msn.com
131.253.38.195	PTR	msnbot-131-253-38-195.search.msn.com
131.253.38.209	PTR	msnbot-131-253-38-209.search.msn.com