Robtex

Up: 199.254.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 199.254.31.0/25
Down right: 199.254.31.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.254.31.1	A+PTR	a0.info.afilias-nst.info
199.254.31.1	A	a0.info.afilias-nst.org
199.254.31.221	A+PTR	a.service21.afiliasdns.info
199.254.31.221	A	ns3.blacknight.com
199.254.31.221	A	ns1.asaplatform.info
199.254.31.222	A+PTR	a.service22.afiliasdns.info
199.254.31.250	A+PTR	ns1.idomains.com
199.254.31.251	A+PTR	ns1.fasttrackdns.com
199.254.31.254	A+PTR	a.service.afiliasdns.info
199.254.31.254	A	ns2.getdomains.ie
199.254.31.254	A	b.ns.domene.si