Robtex

Up: 66.135.204.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.135.204.0/25
Down right: 66.135.204.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.135.204.19	PTR	rover.ebay.com
66.135.204.22	PTR	settings.ebay.com
66.135.204.22	A	settings.g.ebay.com
66.135.204.23	PTR	sofe.ebay.com
66.135.204.28	PTR	sofe-ap.intl.ebay.com
66.135.204.33	PTR	metrics-intl.ebay.com
66.135.204.35	PTR	metrics.ebay.com
66.135.204.39	PTR	contact.ebay.com
66.135.204.46	A	search.stores.ebay.it
66.135.204.46	A	search.ebayshops.co.uk
66.135.204.46	A	search.ebayshops.com.au
66.135.204.48	PTR	my.intl.ebay.com
66.135.204.51	PTR	googlehome.ebay.com
66.135.204.51	A	googlehome.g.ebay.com
66.135.204.54	PTR	my.intl.ebay.com
66.135.204.61	PTR	m.ebay.com
66.135.204.62	PTR	sjclb73-ext-snip.sjc.ebay.com
66.135.204.103	A	recomigration.g.ebay.com
66.135.204.135	PTR	deals.intl.ebay.com
66.135.204.135	A	deals.intl.g.ebay.com
66.135.204.138	PTR	pushnotification.ebay.com
66.135.204.138	A	pushnotifications.g.ebay.com
66.135.204.141	A+PTR	barista.ebay.com
66.135.204.141	A	barista.g.ebay.com
66.135.204.144	A+PTR	promoinfra.ebay.com
66.135.204.144	A	promoinfra.g.ebay.com
66.135.204.146	A	eguarantee.ebay.in
66.135.204.146	A	eguarantee.g.ebay.com
66.135.204.148	A+PTR	seotest.ebay.com
66.135.204.171	PTR	settings3.ebay.com
66.135.204.171	A	settings3.g.ebay.com
66.135.204.172	A	signup.g.ebay.com
66.135.204.174	A+PTR	kycremedyweb.ebay.com
66.135.204.175	PTR	identity-api.ebay.com
66.135.204.175	A	identity-api.g.ebay.com
66.135.204.177	PTR	ebaypayonboardingweb.ebay.com
66.135.204.177	A	ebaypayonboardingweb.g.ebay.com
66.135.204.178	PTR	npx.ebay.com
66.135.204.178	A	npx.g.ebay.com
66.135.204.179	PTR	api-rnpci.ebay.com
66.135.204.179	A	api-rn.g.ebay.com
66.135.204.179	A	api-rnpci.g.ebay.com
66.135.204.180	A	chargebackui.g.ebay.com
66.135.204.183	PTR	metrics-intl.ebay.com
66.135.204.184	PTR	apiz.ebay.com
66.135.204.184	A	apiz.g.ebay.com
66.135.204.187	PTR	accountsettings-app-public-1-1-slc.ebay.com
66.135.204.187	A	accountsettings.g.ebay.com
66.135.204.189	PTR	febsptax-app-public-1-2-slc.ebay.com
66.135.204.189	A	febsptax.g.ebay.com
66.135.204.190	PTR	nlivr-app-public-1-1-slc.ebay.com
66.135.204.190	A	nlivr.g.ebay.com
66.135.204.199	PTR	fedauth.ebay.com
66.135.204.199	A	fedauth.g.ebay.com
66.135.204.205	PTR	commercial.ebay.com
66.135.204.205	A	commercial.g.ebay.com
66.135.204.216	A+PTR	ebaylink.ebay.com.au
66.135.204.231	A	origin-cgi5.akamai.g.ebay.com
66.135.204.237	PTR	sigin.ebay.com
66.135.204.237	A	signin.netscape.ebay.com
66.135.204.237	A	signin.m.ebay.com
66.135.204.241	A	postage.g.ebay.com
66.135.204.242	A	msa-b1-lfn.g.ebay.com
66.135.204.243	A	payments.g.ebay.com
66.135.204.244	PTR	payments.intl.ebay.com
66.135.204.244	A	payments.es.ebay.com
66.135.204.245	PTR	sigin.intl.ebay.com
66.135.204.245	A	signin-my.g.ebay.com
66.135.204.245	A	signin.m.ebay.co.uk
66.135.204.249	A	cgi5.g.ebay.com
66.135.204.251	PTR	postage.intl.ebay.com
66.135.204.251	A	postage.intl.g.ebay.com
66.135.204.251	A	postage.ebay.fr
66.135.204.253	A	origin-msa-b1.g.ebay.com
66.135.204.253	A	origin-msa-b2.g.ebay.com