Robtex

Up: 13.107.4.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 13.107.6.0/24
Down right: 13.107.7.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.107.6.1	A	ns1.footprintdns.com
13.107.6.1	A	ns1.fp.measure.office.com
13.107.6.1	A	ns1.b-msedge.net
13.107.6.2	A	ns2.fp.measure.office.com
13.107.6.2	A	ns2.footprintdns.com
13.107.6.2	A	ns2.b-msedge.net
13.107.6.150	A	com.akadns.net.b-0001t.b-msedge.net
13.107.6.150	A	dogfood-sharepointonline.com.akadns.net.b-0001t.b-msedge.net
13.107.6.150	A	edognet309-26edgea0003.dogfood-sharepointonline.com.akadns.net
13.107.6.152	A	mail.frontrangeenergy.com
13.107.6.152	A	mail.wahlcn.com
13.107.6.152	A	mail.renhill.com
13.107.6.156	A	mail.cal-pay.net
13.107.6.156	A	mail.cacga.org
13.107.6.156	A	mail.kaymor.ca
13.107.6.158	A+PTR	bingforbusiness.com
13.107.6.158	A	b-0005.b-msedge.net
13.107.6.158	A	hummingbird.ms
13.107.6.160	A	prod.tasks.office.com.akadns.net
13.107.6.160	A	tasks.osi.office.net
13.107.6.161	A	edog.tasks.office.com.akadns.net
13.107.6.162	A	b-0007.b-msedge.net
13.107.6.163	A	2044699656b5185d51c758a7d193f121.clo.footprintdns.com
13.107.6.163	A	efee99398857b57213a460a3a8eb8abe.clo.footprintdns.com
13.107.6.163	A	b-0008.b-msedge.net
13.107.6.166	A	b-0011.b-msedge.net
13.107.6.167	A	b-0012.b-msedge.net
13.107.6.168	PTR	sharept.ms
13.107.6.168	A	b-0013.b-msedge.net
13.107.6.168	A	0-northeurope1-pushp.svc.ms
13.107.6.171	A	powerpoint.officeapps-df.live.com
13.107.6.171	A	excel-df.officeapps.live.com.akadns.net
13.107.6.171	A	live.com.akadns.net.b-0016.b-msedge.net
13.107.6.175	A	mechatroner.gallery.vsassets.io
13.107.6.175	A	bmewburn.gallery.vsassets.io
13.107.6.175	A	bung87.gallery.vsassets.io
13.107.6.181	A	b-0026.b-msedge.net
13.107.6.182	A	b-0027.b-msedge.net
13.107.6.183	A	dev.azure.com
13.107.6.183	A	b-0028.b-msedge.net
13.107.6.183	A	codex.azure.com
13.107.6.190	A	account-msa-afd.trafficmanager.net
13.107.6.190	A	account.msa.trafficmanager.net
13.107.6.254	A	b-9999.b-msedge.net
13.107.7.1	A	ns1.f-msedge.net
13.107.7.2	A	ns2.f-msedge.net
13.107.7.190	A	mail.cacga.org
13.107.7.190	A	mail.stfabian.org
13.107.7.190	A	mail.soilen.com
13.107.7.254	A	f-9999.f-msedge.net