Robtex

Up: 63.250.196.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 63.250.198.0/24
Down right: 63.250.199.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
63.250.198.4	PTR	vl-126.bas2-7-prd.bf1.yahoo.com
63.250.198.14	PTR	unknown-63-250-198-x.yahoo.com
63.250.198.19	PTR	unknown-63-250-198-x.yahoo.com
63.250.198.22	PTR	unknown-63-250-198-x.yahoo.com
63.250.198.22	A	everytenminutes.com
63.250.198.22	A	pepsigopro.com
63.250.198.31	PTR	spare543-c5n-32-450.dht.bf1.yahoo.com
63.250.198.32	PTR	prod-su586.dht.bf1.yahoo.com
63.250.198.35	A	prod-su589.dht.bf1.yahoo.com
63.250.198.38	PTR	prod-su592.dht.bf1.yahoo.com
63.250.198.49	PTR	prod-su603.dht.bf1.yahoo.com
63.250.198.59	PTR	prod-su531.dht.bf1.yahoo.com
63.250.198.65	PTR	su227.usne1r.dht.bf1.yahoo.com
63.250.198.76	PTR	su209.usne1r.dht.bf1.yahoo.com
63.250.198.82	PTR	su632.usne1r.dht.bf1.yahoo.com
63.250.198.89	PTR	su222.usne1r.dht.bf1.yahoo.com
63.250.198.95	PTR	admin2.perf.walnut.bf1.yahoo.com
63.250.198.100	PTR	prod-su540.dht.bf1.yahoo.com
63.250.198.105	A	prod-su545.dht.bf1.yahoo.com
63.250.198.108	PTR	prod-su548.dht.bf1.yahoo.com
63.250.198.116	A	prod-su556.dht.bf1.yahoo.com
63.250.198.120	PTR	prod-su560.dht.bf1.yahoo.com
63.250.198.133	PTR	prod-su632.dht.bf1.yahoo.com
63.250.198.134	PTR	prod-su633.dht.bf1.yahoo.com
63.250.198.139	PTR	prod-su638.dht.bf1.yahoo.com
63.250.198.151	A+PTR	zk1.qe1.walnut.bf1.yahoo.com
63.250.198.154	PTR	su248.usne1r.dht.bf1.yahoo.com
63.250.198.158	PTR	su252.usne1r.dht.bf1.yahoo.com
63.250.198.161	A	stage-su101.dht.bf1.yahoo.com
63.250.198.163	PTR	unknown-63-250-198-x.yahoo.com
63.250.198.164	PTR	stage-su104.dht.bf1.yahoo.com
63.250.198.168	PTR	tx101-a.dht.bf1.yahoo.com
63.250.198.174	PTR	dqa-z003.dht.bf1.yahoo.com
63.250.198.186	PTR	unknown-63-250-198-x.yahoo.com
63.250.198.188	PTR	su695.usne1r.dht.bf1.yahoo.com
63.250.198.193	PTR	unknown-63-250-198-x.yahoo.com
63.250.198.196	PTR	spare641-c2n-16-500.dht.bf1.yahoo.com
63.250.198.200	PTR	spare645-c2n-16-500.dht.bf1.yahoo.com
63.250.198.218	PTR	spare663-c2n-16-500.dht.bf1.yahoo.com
63.250.198.219	PTR	prod-rte215.dht.bf1.yahoo.com
63.250.198.222	PTR	spare666-c2n-16-500.dht.bf1.yahoo.com
63.250.198.225	PTR	sherpa-req5.dht.vip.bf1.yahoo.com
63.250.198.228	A+PTR	bf1-3170-spare1.bf1.yahoo.com
63.250.198.234	PTR	unknown-63-250-198-x.yahoo.com
63.250.198.235	PTR	unknown-63-250-198-x.yahoo.com
63.250.198.238	PTR	unknown-63-250-198-x.yahoo.com
63.250.198.245	PTR	unknown-63-250-198-x.yahoo.com
63.250.199.21	A+PTR	fan136.sports.bf1.yahoo.com
63.250.199.23	PTR	db3.live1.media.bf1.yahoo.com
63.250.199.34	PTR	fan105.sports.bf1.yahoo.com
63.250.199.36	PTR	fan107.sports.bf1.yahoo.com
63.250.199.38	PTR	fan109.sports.bf1.yahoo.com
63.250.199.41	A+PTR	fan112.sports.bf1.yahoo.com
63.250.199.44	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.46	PTR	fan117.sports.bf1.yahoo.com
63.250.199.47	A+PTR	fan118.sports.bf1.yahoo.com
63.250.199.59	A+PTR	fan130.sports.bf1.yahoo.com
63.250.199.61	PTR	fan132.sports.bf1.yahoo.com
63.250.199.62	PTR	fan133.sports.bf1.yahoo.com
63.250.199.64	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.78	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.79	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.93	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.97	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.100	A	qrdd5.media.search.bf1.yahoo.com
63.250.199.102	PTR	qrdd7.media.search.bf1.yahoo.com
63.250.199.106	PTR	qrdd11.media.search.bf1.yahoo.com
63.250.199.121	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.124	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.131	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.137	PTR	ydht-udb02.hff01.bf1.yahoo.com
63.250.199.139	PTR	ydht-udb04.hff01.bf1.yahoo.com
63.250.199.147	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.149	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.155	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.166	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.175	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.179	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.198	PTR	usw10-2-cld.bf1.yahoo.com
63.250.199.199	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.211	PTR	bf1-ngdrptcx-002.data.bf1.yahoo.com
63.250.199.215	A+PTR	bf1-ngdrptdb-006-v.data.bf1.yahoo.com
63.250.199.216	A	bf1-ngdrptdb-001.data.bf1.yahoo.com
63.250.199.224	PTR	bf1-ngdwilscn-1.data.bf1.yahoo.com
63.250.199.225	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.231	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.233	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.234	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.245	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.250	PTR	unknown-63-250-199-x.yahoo.com
63.250.199.253	PTR	unknown-63-250-199-x.yahoo.com