Robtex

Up: 38.242.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 38.242.21.0/25
Down right: 38.242.21.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
38.242.21.21	A	deltadentalhq.com
38.242.21.21	A	cdiirad.com
38.242.21.21	A	webmail-msagroup.com
38.242.21.22	A	secure-principal.com
38.242.21.22	A	argoai-okta.com
38.242.21.22	A	blueorigin-secure.com
38.242.21.23	A	ats-401k.com
38.242.21.23	A	natixis-compliance.com
38.242.21.23	A	atsglnc.com
38.242.21.24	A	ascntresources.com
38.242.21.24	A	mydocbiii.com
38.242.21.24	A	smprate-hellosign.com
38.242.21.25	A	w2verification.com
38.242.21.25	A	xn--morrisonfrster-3pb.com
38.242.21.26	A	linkedlnlearning.com
38.242.21.26	A	portal-chamberlain.com
38.242.21.30	A	acsota.com
38.242.21.31	A	secure-eeronline.com
38.242.21.31	A	itctrensco.com
38.242.21.31	A	training-ncfbins.com
38.242.21.33	A	andrewskruth.com
38.242.21.33	A	mx.mintzgruop.com
38.242.21.33	A	btnpservices.com
38.242.21.34	A	deltadentalks-sso.com
38.242.21.34	A	it-cenhud.com
38.242.21.34	A	ctbcupdates.com
38.242.21.35	A	secure-nationalcreditors.com
38.242.21.35	A	nationaicreditor.com
38.242.21.36	A	office365-chamberlain.com
38.242.21.36	A	api-cylance.com
38.242.21.36	A	pccwglobai.com
38.242.21.37	A	enable-silabs.com
38.242.21.37	A	mcguirewoools.com
38.242.21.37	A	secure-yext.com
38.242.21.38	A	aramcoasai.com
38.242.21.38	A	mx.compliancytracker.com
38.242.21.39	A	xn--kntel-kua.com
38.242.21.40	A	martinmlp-secure.com
38.242.21.40	A	ctbcwebex.com
38.242.21.40	A	blueoriginllc.com
38.242.21.41	A	taubman-secure.com
38.242.21.41	A	shareflile.com
38.242.21.41	A	vpnlhm.com
38.242.21.42	A	access-kumed.com
38.242.21.42	A	docusign-kyruus.com