Robtex

Up: 182.176.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 182.176.40.0/23
Down right: 182.176.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.176.41.12	A	r1---sn-2uja-pncz.googlevideo.com
182.176.41.12	A	r1.sn-2uja-pncz.gvt1.com
182.176.41.12	A	r1---sn-2uja-pncz.gvt1.com
182.176.41.13	A	r2.sn-2uja-pncz.gvt1.com
182.176.41.16	A	r5---sn-2uja-pncz.gvt1.com
182.176.41.16	A	r5---sn-2uja-pncz.googlevideo.com
182.176.41.17	A	r6.sn-2uja-pncz.gvt1.com
182.176.41.18	A	r7---sn-2uja-pncz.googlevideo.com
182.176.43.217	PTR	evdosmtp.ptcl.net
182.176.43.217	A+PTR	rwpsmtp.ptcl.net
182.176.43.217	PTR	mail.innovativetools.com.pk
182.176.43.233	A+PTR	pk-appstore.zte.ptcl.net
182.176.43.233	A+PTR	pk-release.zte.ptcl.net
182.176.43.233	A+PTR	pk-dl.zte.ptcl.net