Robtex

Up: 149.20.58.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 149.20.58.0/25
Down right: 149.20.58.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
149.20.58.1	PTR	gw-oarc-isc.dns-oarc.net
149.20.58.2	PTR	gw-oarc-isc.dns-oarc.net
149.20.58.4	PTR	mail.dns-oarc.net
149.20.58.5	A+PTR	in1.dns-oarc.net
149.20.58.8	PTR	www.dns-oarc.net
149.20.58.12	A+PTR	om1.dns-oarc.net
149.20.58.15	A+PTR	zfr.dns-oarc.net
149.20.58.22	A+PTR	dns-tender.dns-oarc.net
149.20.58.23	PTR	dontprobe.dns-oarc.net
149.20.58.28	A	tldmon.dns-oarc.net
149.20.58.29	A	dsc.dns-oarc.net
149.20.58.31	A+PTR	fs2.dns-oarc.net
149.20.58.33	PTR	capture-b.ditl.dns-oarc.net
149.20.58.36	A	fs3.dns-oarc.net
149.20.58.38	A	fs4.dns-oarc.net
149.20.58.65	PTR	ns.dns-oarc.net
149.20.58.70	PTR	kwyjibo.dns-oarc.net
149.20.58.100	A+PTR	ns.pt.dns-oarc.net
149.20.58.101	PTR	ns.a.pt.dns-oarc.net
149.20.58.103	A	ns.c.b.a.pt.dns-oarc.net
149.20.58.130	A	caida-oarc.caida.org
149.20.58.131	A+PTR	dns-surveyor.dns-oarc.net
149.20.58.131	A	dns-surveyor.measurement-factory.com
149.20.58.133	PTR	ns00.rs.dns-oarc.net
149.20.58.134	PTR	ns00.x476.rs.dns-oarc.net
149.20.58.134	A	ns00.x3827.rs.dns-oarc.net
149.20.58.134	A	ns00.x3832.rs.dns-oarc.net
149.20.58.135	A	ns00.x3558.x476.rs.dns-oarc.net
149.20.58.135	A	ns00.x3841.x3832.rs.dns-oarc.net
149.20.58.135	A	ns00.x952.x476.rs.dns-oarc.net
149.20.58.136	A+PTR	ns00.x467.x467.x476.rs.dns-oarc.net
149.20.58.136	A	ns00.x3243.x909.x476.rs.dns-oarc.net
149.20.58.136	A	ns35.x3843.x3837.x3832.rs.dns-oarc.net
149.20.58.137	A	verisign-oarc.dns-oarc.net
149.20.58.197	A+PTR	ix2.dns-oarc.net
149.20.58.198	A+PTR	ix1.dns-oarc.net
149.20.58.198	A	portal.dns-oarc.net
149.20.58.198	A	dontprobe.dns-oarc.net
149.20.58.199	A	sb.dns-oarc.net
149.20.58.253	A	sw3.dns-oarc.net
149.20.58.254	A	sw1.dns-oarc.net