Robtex

Up: 198.35.26.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.35.26.0/25
Down right: 198.35.26.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.35.26.9	PTR	vl1201-eth0.lvs4005.ulsfo.wmnet
198.35.26.96	PTR	text-lb.ulsfo.wikimedia.org
198.35.26.96	A	ik.wikisource.org
198.35.26.96	A	to.wikibooks.org
198.35.26.98	PTR	ncredir-lb.ulsfo.wikimedia.org
198.35.26.98	A	wikipedia.in
198.35.26.98	A	wikiepdia.com
198.35.26.106	A+PTR	bits-lb.ulsfo.wikimedia.org
198.35.26.108	A	th.m.wikipedia.org
198.35.26.108	A	m.wikisource.org
198.35.26.108	A	nl.m.wikipedia.org
198.35.26.112	A+PTR	upload-lb.ulsfo.wikimedia.org
198.35.26.112	A	upload.wikimedia.org
198.35.26.120	A	ores.wikimedia.org
198.35.26.120	A	rt.wikimedia.org
198.35.26.120	A	stream.wikimedia.org
198.35.26.192	PTR	cr3-ulsfo.wikimedia.org
198.35.26.192	A	cr1-ulsfo.wikimedia.org