Robtex

Up: 208.117.238.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 208.117.238.0/25
Down right: 208.117.238.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.117.238.6	A	nonxt1.l.google.com
208.117.238.7	A	nonxt1.l.google.com
208.117.238.8	A	nonxt1.l.google.com
208.117.238.9	A	nonxt1.l.google.com
208.117.238.10	A	nonxt1.l.google.com
208.117.238.11	A	nonxt1.l.google.com
208.117.238.12	A	nonxt1.l.google.com
208.117.238.12	A	r1.sn-uxaxoxu-cg0k.googlevideo.com
208.117.238.12	A	r1.sn-uxaxoxu-cg0k.gvt1.com
208.117.238.13	A	nonxt1.l.google.com
208.117.238.13	A	r2.sn-uxaxoxu-cg0k.gvt1.com
208.117.238.13	A	r2.sn-uxaxoxu-cg0k.googlevideo.com
208.117.238.14	A	nonxt1.l.google.com
208.117.238.14	A	r3.sn-uxaxoxu-cg0k.gvt1.com
208.117.238.14	A	r3.sn-uxaxoxu-cg0k.googlevideo.com
208.117.238.15	A	nonxt1.l.google.com
208.117.238.15	A	r4.sn-uxaxoxu-cg0k.gvt1.com
208.117.238.15	A	r4.sn-uxaxoxu-cg0k.googlevideo.com
208.117.238.16	A	nonxt1.l.google.com
208.117.238.16	A	r5.sn-uxaxoxu-cg0k.googlevideo.com
208.117.238.16	A	r5.sn-uxaxoxu-cg0k.gvt1.com
208.117.238.17	A	nonxt1.l.google.com
208.117.238.17	A	v18.nonxt1.c.youtube.com
208.117.238.17	A	r6.sn-uxaxoxu-cg0k.googlevideo.com
208.117.238.18	A	nonxt1.l.google.com
208.117.238.18	A	r7.sn-uxaxoxu-cg0k.gvt1.com
208.117.238.18	A	r7.sn-uxaxoxu-cg0k.googlevideo.com
208.117.238.19	A	nonxt1.l.google.com
208.117.238.19	A	r8.sn-uxaxoxu-cg0k.googlevideo.com
208.117.238.19	A	r8.sn-uxaxoxu-cg0k.gvt1.com
208.117.238.20	A	nonxt1.l.google.com
208.117.238.21	A	nonxt1.l.google.com
208.117.238.22	A	nonxt1.l.google.com
208.117.238.23	A	nonxt1.l.google.com
208.117.238.24	A	nonxt1.l.google.com
208.117.238.25	A	nonxt1.l.google.com
208.117.238.39	A	v6.lscache2.l.google.com
208.117.238.41	A	v16.nonxt2.c.youtube.com
208.117.238.47	A	tc.v8.cache2.l.google.com
208.117.238.48	A	v13.lscache2.c.youtube.com
208.117.238.51	A	v9.lscache2.l.google.com
208.117.238.53	A	v19.lscache2.googlevideo.com
208.117.238.71	A	v6.nonxt3.c.youtube.com
208.117.238.74	A	v22.lscache3.c.youtube.com
208.117.238.77	A	r1.sn-uxaxoxu-cg0r.googlevideo.com
208.117.238.77	A	r1.sn-uxaxoxu-cg0r.gvt1.com
208.117.238.78	A	r2.sn-uxaxoxu-cg0r.gvt1.com
208.117.238.78	A	tc.v3.cache3.c.youtube.com
208.117.238.78	A	r2.sn-uxaxoxu-cg0r.googlevideo.com
208.117.238.79	A	r3.sn-uxaxoxu-cg0r.gvt1.com
208.117.238.79	A	r3.sn-uxaxoxu-cg0r.googlevideo.com
208.117.238.80	A	r4.sn-uxaxoxu-cg0r.gvt1.com
208.117.238.80	A	r4.sn-uxaxoxu-cg0r.googlevideo.com
208.117.238.81	A	r5.sn-uxaxoxu-cg0r.gvt1.com
208.117.238.81	A	r5.sn-uxaxoxu-cg0r.googlevideo.com
208.117.238.82	A	r6.sn-uxaxoxu-cg0r.googlevideo.com
208.117.238.82	A	v4.nonxt3.c.youtube.com
208.117.238.82	A	r6.sn-uxaxoxu-cg0r.gvt1.com
208.117.238.83	A	v9.nonxt3.c.youtube.com
208.117.238.83	A	r7.sn-uxaxoxu-cg0r.googlevideo.com
208.117.238.83	A	r7.sn-uxaxoxu-cg0r.gvt1.com
208.117.238.84	A	r8.sn-uxaxoxu-cg0r.gvt1.com
208.117.238.84	A	r8.sn-uxaxoxu-cg0r.googlevideo.com
208.117.238.85	A	r9.sn-uxaxoxu-cg0r.gvt1.com
208.117.238.85	A	r9.sn-uxaxoxu-cg0r.googlevideo.com
208.117.238.89	A	tc.v20.cache3.c.youtube.com
208.117.238.105	A	v16.lscache4.c.youtube.com
208.117.238.110	A	v3.nonxt4.c.youtube.com
208.117.238.116	A	tc.v14.cache4.l.google.com
208.117.238.117	A	v19.cache.l.google.com
208.117.238.140	A	v12.lscache5.c.youtube.com
208.117.238.146	A	v24.nonxt5.c.youtube.com
208.117.238.167	A	v6.lscache6.googlevideo.com
208.117.238.174	A	v23.lscache6.l.google.com
208.117.238.182	A	v5.lscache6.c.youtube.com
208.117.238.199	A	v6.cache.googlevideo.com
208.117.238.204	A	v12.lscache7.c.youtube.com
208.117.238.213	A	tc.v19.cache7.l.google.com
208.117.238.237	A	tc.v17.cache8.l.google.com
208.117.238.238	A	v23.cache.l.google.com
208.117.238.240	A	v13.nonxt8.c.youtube.com
208.117.238.243	A	v9.lscache8.l.google.com
208.117.238.247	A	v10.nonxt8.c.youtube.com
208.117.238.248	A	v15.lscache8.c.youtube.com
208.117.238.249	A	v20.cache.l.google.com