Robtex

Up: 40.66.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 40.66.0.0/18
Down right: 40.66.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
40.66.4.255	A+PTR	msnbot-40-66-4-255.search.msn.com
40.66.16.2	A	office365.us
40.66.16.8	A	autodiscover-51500.office365.us
40.66.16.72	A	autodiscover-51500.office365.us
40.66.16.130	A	office365.us
40.66.16.136	A	autodiscover-51500.office365.us
40.66.16.194	A	office365.us
40.66.16.200	A	autodiscover-51500.office365.us
40.66.17.136	A	autodiscover-51500.office365.us
40.66.32.59	A	livingerasmus.com
40.66.32.134	A	salihkarabulut.com
40.66.33.45	A	bouygues-immobilier.com
40.66.33.143	A+PTR	tla.francecentral.cloudapp.azure.com
40.66.40.26	A	uashe.com
40.66.40.29	A	nesafi.com
40.66.40.106	A	lesieur.fr
40.66.40.106	A	www.puget.fr
40.66.41.10	A	regsysweb01.francecentral.cloudapp.azure.com
40.66.41.59	PTR	mail.lex-localis.info
40.66.41.59	A	inpis.eu
40.66.41.146	A	saas2-ipoview.com
40.66.42.13	A	cardenalcisneros.com
40.66.48.202	A	dev-ikonity.com
40.66.49.4	A	kanenfgttion.xyz
40.66.49.44	A+PTR	smtp.seiitra.cloud
40.66.49.44	A	waf-dmz-inf01.seiitra.cloud
40.66.49.44	A	seiitra.cloud
40.66.56.0	A	agenceimmobilierebrignoles.fr
40.66.56.0	A	transopera.fr
40.66.56.0	A	sogimsarl.com
40.66.56.171	A	www.querlo.com
40.66.56.209	A	bourseauxchantiers.com
40.66.56.209	A	joyom.com
40.66.56.209	A	vigifioul.com
40.66.57.185	A	model-portal.com
40.66.58.81	A	objectifemploi66.com
40.66.58.81	A	job47.fr
40.66.58.81	A	provence-emplois.fr
40.66.58.146	A	jourtest.com
40.66.58.154	A	waf-dmz-poc01.seiitra.cloud
40.66.58.178	A	app-gateway-helloasso-prod.francecentral.cloudapp.azure.com
40.66.59.158	A	atlas-prod.francecentral.cloudapp.azure.com
40.66.59.216	A	tbrconnect.com
40.66.59.237	A	cfrawt1.ipv6.microsoft.com.akadns.net
40.66.59.249	A	neoreva.com
40.66.60.30	A	lenumeriquealecole.fr
40.66.60.30	A	host.beneylu.com
40.66.60.117	A	copa.io
40.66.60.135	A	portal-prod-francecentral-02.francecentral.cloudapp.azure.com
40.66.61.12	A	swocovid19.com
40.66.61.190	A	valet.ae
40.66.61.209	A	fcnmslbsa.francecentral.cloudapp.azure.com
40.66.61.239	A	lsicloud-fr.francecentral.cloudapp.azure.com
40.66.62.24	A	redcastle.fr
40.66.62.144	A	www.fidelis-eu.com
40.66.63.152	A	upload.bitlanders.com
40.66.63.186	A	letsign.it