Robtex

Up: 212.74.64.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 212.74.64.0/26
Down right: 212.74.64.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.74.64.1	PTR	lo2-ipc00689.router.colt.net
212.74.64.2	PTR	gi0-1-1-3-cr3.ber.router.colt.net
212.74.64.3	PTR	gi0-0-0-0-sar7.ber.router.colt.net
212.74.64.6	PTR	fa0-0-40-vpn00173.router.colt.net
212.74.64.9	PTR	gi0-1-0-0-sar7.ber.router.colt.net
212.74.64.11	PTR	gi0-1-sar3.trn.router.colt.net
212.74.64.13	PTR	pos10-0-cr1.lon.router.colt.net
212.74.64.14	PTR	pos10-0-cr2.lon.router.colt.net
212.74.64.21	PTR	pos1-2-cr2.lon.router.colt.net
212.74.64.22	PTR	pos1-3-cr4.lon.router.colt.net
212.74.64.25	PTR	pos1-0-cr2.lon.router.colt.net
212.74.64.26	PTR	pos1-1-cr4.lon.router.colt.net
212.74.64.34	PTR	mailhost.colt.net
212.74.64.35	A	peernews.colt.net
212.74.64.36	A	peernews2.colt.net
212.74.64.39	A	dns1.lon.server.colt.net
212.74.64.39	A	www.colt-us.com
212.74.64.40	A+PTR	man-lan.switch.colt.net
212.74.64.41	A+PTR	london-1.access.colt.net
212.74.64.42	A+PTR	spamela.server.colt.net
212.74.64.45	A+PTR	ns5.colt.net
212.74.64.46	A	ntp3.colt.net
212.74.64.46	A	office.server.colt.net
212.74.64.46	A	doc.de.colt.net
212.74.64.54	A	coltintermail.de
212.74.64.60	A	ns6.colt.net
212.74.64.62	PTR	vpn3030-conc.access.colt.net
212.74.64.68	PTR	te0-0-1-0-60-crs1.ams.router.colt.net
212.74.64.71	PTR	gi0-0-0-1-sar6.ams.router.colt.net
212.74.64.73	PTR	gi0-1-1-3-pr1.lon.router.colt.net
212.74.64.75	PTR	fe0-0-lns1.lon.router.colt.net
212.74.64.77	PTR	pos1-0-pr2.lon.router.colt.net
212.74.64.78	PTR	pos8-0-cr1.lon.router.colt.net
212.74.64.81	PTR	pos0-0-pr2.lon.router.colt.net
212.74.64.82	PTR	pos10-0-pr1.lon.router.colt.net
212.74.64.86	PTR	fe0-1-iv2-nat.lon.router.colt.net
212.74.64.86	A	iv2-nat.lon.router.colt.net
212.74.64.89	PTR	gi0-1-1-0-sar5.str.router.colt.net
212.74.64.90	PTR	te0-2-0-0-56-cr4.str.router.colt.net
212.74.64.90	A	iv2.uk.oss.colt.net
212.74.64.91	PTR	gi0-1-1-1-sar5.str.router.colt.net
212.74.64.96	PTR	lo1-lac-ipn00485.router.colt.net
212.74.64.97	PTR	lo0-sar1.bhx.router.colt.net
212.74.64.98	PTR	lo99-mr1.lon.router.colt.net
212.74.64.101	PTR	lo1-cr1.nyc.router.colt.net
212.74.64.102	PTR	l0-pr1.dub.router.colt.net
212.74.64.105	PTR	lo0-cr1.dub.router.colt.net
212.74.64.109	PTR	l0-cr2.lon.router.colt.net
212.74.64.110	PTR	l1-cg1.lon.router.colt.net
212.74.64.111	PTR	l0-ipsec2.lon.router.colt.net
212.74.64.112	PTR	lo0-sar2.bhx.router.colt.net
212.74.64.115	PTR	blackhole.router.colt.net
212.74.64.117	PTR	lo1-pr1.lon.router.colt.net
212.74.64.119	PTR	lo0-sar1.lon.router.colt.net
212.74.64.120	PTR	lo0-sar2.lon.router.colt.net
212.74.64.121	PTR	lo0-vrr1.lon.router.colt.net
212.74.64.123	A+PTR	lo0-svc2.lon.router.colt.net