Robtex

Up: 74.121.136.0/21
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Down left: 74.121.136.0/23
Down right: 74.121.138.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.121.136.24	A	terminalone.com
74.121.136.24	A	adroitdigital.com
74.121.136.24	A	imiclk.com
74.121.136.50	A	mathmen.com
74.121.136.51	A	newmarketinginstitute.com
74.121.136.102	A	mathid-origin.mathtag.com
74.121.136.104	A	mathid-origin.mathtag.com
74.121.136.104	A	tags.mathtag.com
74.121.136.131	A	tags.mathtag.com
74.121.136.139	A	mathid-origin.mathtag.com
74.121.136.139	A	pixel-origin.mathtag.com
74.121.136.233	A	mathid-origin.mathtag.com
74.121.136.233	A	tags.mathtag.com
74.121.136.241	A	us-west-bidder.mathtag.com
74.121.136.241	A	bidder.mathtag.com
74.121.136.243	A	us-west-bidder.mathtag.com
74.121.136.244	A	us-west-bidder.mathtag.com
74.121.136.245	A	us-west-bidder.mathtag.com
74.121.136.246	A	us-west-bidder.mathtag.com
74.121.136.247	A	us-west-bidder.mathtag.com
74.121.136.248	A	us-west-bidder.mathtag.com
74.121.136.248	A	bidder.mathtag.com
74.121.137.38	A	www.mathtag.com
74.121.137.82	A	ftps.mediamath.com
74.121.137.105	A	rt-pixel.mathtag.com
74.121.137.178	A+PTR	ewr-openldap-n1.mediamath.com
74.121.138.87	A	tags.mathtag.com
74.121.138.91	A	pixel-origin.mathtag.com
74.121.138.240	A	digitrust.mathtag.com
74.121.138.242	A	digitrust.mathtag.com
74.121.138.243	A	digitrust.mathtag.com
74.121.138.244	A	digitrust.mathtag.com
74.121.138.245	A	digitrust.mathtag.com
74.121.138.246	A	digitrust.mathtag.com