Robtex

Up: 87.248.106.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 87.248.107.0/25
Down right: 87.248.107.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.248.107.18	PTR	unknown-87-248-107-x.yahoo.com
87.248.107.44	PTR	unknown-87-248-107-x.yahoo.com
87.248.107.145	PTR	m.forums.maktoob.vip.ukl.yahoo.com
87.248.107.200	PTR	unknown-87-248-107-x.yahoo.com
87.248.107.200	A	t-b8k6j40kh0.wc.yahoodns.net
87.248.107.200	A	t-a7bdztbcde.wc.yahoodns.net
87.248.107.201	PTR	unknown-87-248-107-x.yahoo.com
87.248.107.201	A	e2.ycpi.ita.yahoo.com
87.248.107.201	A	mcdn-ycsedgereport.wc.yahoodns.net
87.248.107.204	A+PTR	e1-ha.ycpi.ita.yahoo.com
87.248.107.205	PTR	unknown-87-248-107-x.yahoo.com
87.248.107.205	A	t1-ha.ycpi.ita.yahoo.com
87.248.107.206	A+PTR	e2-ha.ycpi.ita.yahoo.com
87.248.107.207	PTR	forums-arb3.maktoob.vip.ukl.yahoo.com