Robtex

Up: 27.71.240.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 27.71.240.0/24
Down right: 27.71.241.0/24

IP	Type	Hostname
27.71.240.12	PTR	localhost
27.71.240.12	A	r1.sn-8pxuuxa-jmgz.googlevideo.com
27.71.240.15	PTR	localhost
27.71.240.15	A	r4.sn-8pxuuxa-jmgz.googlevideo.com
27.71.240.16	PTR	localhost
27.71.240.16	A	r5.sn-8pxuuxa-jmgz.googlevideo.com
27.71.240.17	PTR	localhost
27.71.240.17	A	r6.sn-8pxuuxa-jmgz.googlevideo.com
27.71.240.79	PTR	localhost
27.71.240.79	A	r4.sn-8pxuuxa-jmg6.gvt1.com
27.71.240.140	PTR	localhost
27.71.240.140	A	r1.sn-8pxuuxa-q5qee.gvt1.com
27.71.240.140	A	r1.sn-8pxuuxa-q5qee.googlevideo.com
27.71.240.141	PTR	localhost
27.71.240.141	A	r2.sn-8pxuuxa-q5qee.gvt1.com
27.71.240.141	A	r2.sn-8pxuuxa-q5qee.googlevideo.com
27.71.240.142	PTR	localhost
27.71.240.142	A	r3.sn-8pxuuxa-q5qee.googlevideo.com
27.71.240.143	PTR	localhost
27.71.240.143	A	r4.sn-8pxuuxa-q5qee.gvt1.com
27.71.240.143	A	r4.sn-8pxuuxa-q5qee.googlevideo.com
27.71.240.144	PTR	localhost
27.71.240.144	A	r5.sn-8pxuuxa-q5qee.googlevideo.com
27.71.240.144	A	r5.sn-8pxuuxa-q5qee.gvt1.com
27.71.240.145	PTR	localhost
27.71.240.145	A	r6.sn-8pxuuxa-q5qee.gvt1.com
27.71.240.145	A	r6.sn-8pxuuxa-q5qee.googlevideo.com
27.71.240.146	PTR	localhost
27.71.240.146	A	r7.sn-8pxuuxa-q5qee.googlevideo.com
27.71.240.147	PTR	localhost
27.71.240.147	A	r8.sn-8pxuuxa-q5qee.googlevideo.com
27.71.240.147	A	r8.sn-8pxuuxa-q5qee.gvt1.com
27.71.240.204	A	r1.sn-8pxuuxa-i5ozl.googlevideo.com
27.71.240.206	PTR	localhost
27.71.240.206	A	r3.sn-8pxuuxa-i5ozl.googlevideo.com
27.71.240.207	PTR	localhost
27.71.240.207	A	r4.sn-8pxuuxa-i5ozl.googlevideo.com
27.71.240.207	A	r4.sn-8pxuuxa-i5ozl.gvt1.com
27.71.240.208	PTR	localhost
27.71.240.208	A	r5.sn-8pxuuxa-i5ozl.googlevideo.com
27.71.240.209	PTR	localhost
27.71.240.209	A	r6.sn-8pxuuxa-i5ozl.googlevideo.com
27.71.240.211	PTR	localhost
27.71.240.211	A	r8.sn-8pxuuxa-i5ozl.googlevideo.com
27.71.241.76	PTR	localhost
27.71.241.76	A	r1.sn-8pxuuxa-i5ozs.gvt1.com
27.71.241.76	A	r1.sn-8pxuuxa-i5ozs.googlevideo.com
27.71.241.77	PTR	localhost
27.71.241.77	A	r2.sn-8pxuuxa-i5ozs.googlevideo.com
27.71.241.77	A	r2.sn-8pxuuxa-i5ozs.gvt1.com
27.71.241.78	PTR	localhost
27.71.241.78	A	r3.sn-8pxuuxa-i5ozs.googlevideo.com
27.71.241.79	PTR	localhost
27.71.241.79	A	r4.sn-8pxuuxa-i5ozs.googlevideo.com
27.71.241.79	A	r4.sn-8pxuuxa-i5ozs.gvt1.com
27.71.241.80	A	r5.sn-8pxuuxa-i5ozs.gvt1.com
27.71.241.80	A	r5.sn-8pxuuxa-i5ozs.googlevideo.com
27.71.241.81	PTR	localhost
27.71.241.81	A	r6.sn-8pxuuxa-i5ozs.gvt1.com
27.71.241.81	A	r6.sn-8pxuuxa-i5ozs.googlevideo.com
27.71.241.82	PTR	localhost
27.71.241.82	A	r7.sn-8pxuuxa-i5ozs.googlevideo.com
27.71.241.82	A	r7.sn-8pxuuxa-i5ozs.gvt1.com
27.71.241.83	PTR	localhost
27.71.241.83	A	r8.sn-8pxuuxa-i5ozs.googlevideo.com
27.71.241.140	PTR	localhost
27.71.241.140	A	r1.sn-8pxuuxa-i5ozz.gvt1.com
27.71.241.141	PTR	localhost
27.71.241.141	A	r2.sn-8pxuuxa-i5ozz.googlevideo.com
27.71.241.141	A	r2.sn-8pxuuxa-i5ozz.gvt1.com
27.71.241.142	PTR	localhost
27.71.241.142	A	r3.sn-8pxuuxa-i5ozz.googlevideo.com
27.71.241.142	A	r3.sn-8pxuuxa-i5ozz.gvt1.com
27.71.241.143	PTR	localhost
27.71.241.143	A	r4.sn-8pxuuxa-i5ozz.gvt1.com
27.71.241.143	A	r4.sn-8pxuuxa-i5ozz.googlevideo.com