Robtex

Up: 77.74.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 77.74.40.0/22
Down right: 77.74.44.0/22

IP	Type	Hostname
77.74.40.12	A	r1.sn-h5bupjvh-ucn6.googlevideo.com
77.74.40.13	A	r2.sn-h5bupjvh-ucn6.googlevideo.com
77.74.40.14	A	r3.sn-h5bupjvh-ucn6.googlevideo.com
77.74.40.15	A	r4.sn-h5bupjvh-ucn6.googlevideo.com
77.74.41.12	A	r1.sn-h5bupjvh-30ue.googlevideo.com
77.74.41.13	A	r2.sn-h5bupjvh-30ue.googlevideo.com
77.74.41.14	A	r3.sn-h5bupjvh-30ue.googlevideo.com
77.74.41.16	A	r5.sn-h5bupjvh-30ue.googlevideo.com
77.74.41.17	A	r6.sn-h5bupjvh-30ue.googlevideo.com
77.74.41.18	A	r7.sn-h5bupjvh-30ue.googlevideo.com
77.74.41.19	A	r8.sn-h5bupjvh-30ue.googlevideo.com
77.74.42.12	A	r1.sn-h5bupjvh-c0ne.googlevideo.com
77.74.42.13	A	r2.sn-h5bupjvh-c0ne.googlevideo.com
77.74.42.14	A	r3.sn-h5bupjvh-c0ne.googlevideo.com
77.74.42.16	A	r5.sn-h5bupjvh-c0ne.googlevideo.com