Robtex

Up: 197.160.154.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 197.160.155.0/25
Down right: 197.160.155.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
197.160.155.12	A	r1---sn-apo3qvuoxuxbt-5atl.c.youtube.com
197.160.155.12	A	r1.sn-apo3qvuoxuxbt-5atl.googlevideo.com
197.160.155.12	A	r1---sn-apo3qvuoxuxbt-5atl.googlevideo.com
197.160.155.13	A	r2---sn-apo3qvuoxuxbt-5atl.gvt1.com
197.160.155.13	A	r2.sn-apo3qvuoxuxbt-5atl.c.youtube.com
197.160.155.13	A	r2.sn-apo3qvuoxuxbt-5atl.gvt1.com
197.160.155.14	A	r3---sn-apo3qvuoxuxbt-5atl.gvt1.com
197.160.155.14	A	r3---sn-apo3qvuoxuxbt-5atl.googlevideo.com
197.160.155.14	A	r3.sn-apo3qvuoxuxbt-5atl.c.youtube.com
197.160.155.15	A	r4.sn-apo3qvuoxuxbt-5atl.gvt1.com
197.160.155.15	A	r4---sn-apo3qvuoxuxbt-5atl.c.youtube.com
197.160.155.15	A	r4---sn-apo3qvuoxuxbt-5atl.gvt1.com
197.160.155.16	A	r5.sn-apo3qvuoxuxbt-5atl.googlevideo.com
197.160.155.16	A	r5.sn-apo3qvuoxuxbt-5atl.gvt1.com