Robtex

Up: 192.89.123.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 192.89.123.0/26
Down right: 192.89.123.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.89.123.4	A+PTR	alarmhost.tmt.tele.fi
192.89.123.11	A+PTR	juttu-gw.inet.fi
192.89.123.13	A	irc-test.inet.fi
192.89.123.14	A+PTR	cache-hki-b.inet.fi
192.89.123.14	A+PTR	cache.inet.fi
192.89.123.16	A+PTR	cache-hki-d.inet.fi
192.89.123.16	A+PTR	cache.inet.fi
192.89.123.19	A+PTR	cache-hki-a.inet.fi
192.89.123.19	A+PTR	cache.inet.fi
192.89.123.20	A+PTR	oceania.inet.fi
192.89.123.21	A+PTR	cache-hki-e.inet.fi
192.89.123.21	A+PTR	cache.inet.fi
192.89.123.23	A+PTR	mta1.inet.fi
192.89.123.25	A+PTR	smtp.tele.fi
192.89.123.26	A+PTR	ns.inet.fi
192.89.123.26	A	ns1.inet.fi
192.89.123.26	A	ntp.inet.fi
192.89.123.29	A+PTR	ns.inet.fi
192.89.123.29	A	ns2.inet.fi
192.89.123.30	A+PTR	juu1.inet.fi
192.89.123.31	A+PTR	juu2.inet.fi
192.89.123.32	A+PTR	juu3.inet.fi
192.89.123.33	A+PTR	juu4.inet.fi
192.89.123.34	A+PTR	juu5.inet.fi
192.89.123.35	A+PTR	juu6.inet.fi
192.89.123.36	A+PTR	juu7.inet.fi
192.89.123.37	A+PTR	juu8.inet.fi
192.89.123.38	A+PTR	juu9.inet.fi
192.89.123.39	A+PTR	juu10.inet.fi
192.89.123.40	A+PTR	kalakukko.inet.fi
192.89.123.42	A+PTR	cache-out-2.inet.fi
192.89.123.43	A+PTR	cache-out-3.inet.fi
192.89.123.51	A+PTR	irc.inet.fi
192.89.123.51	A	irc1.inet.fi
192.89.123.69	A	businesscsc.inet.fi
192.89.123.78	A+PTR	cc2.inet.fi
192.89.123.98	A	kate2.inet.fi
192.89.123.99	A+PTR	kate.inet.fi
192.89.123.100	A+PTR	businessweb-100.inet.fi
192.89.123.101	A	businessweb-101.inet.fi
192.89.123.102	A+PTR	businessweb-102.inet.fi
192.89.123.103	A+PTR	businessweb-103.inet.fi
192.89.123.104	A+PTR	businessweb-104.inet.fi
192.89.123.105	A	businessweb-105.inet.fi
192.89.123.106	A	businessweb-106.inet.fi
192.89.123.107	A+PTR	businessweb-107.inet.fi
192.89.123.108	A+PTR	businessweb-108.inet.fi
192.89.123.109	A	businessweb-109.inet.fi
192.89.123.110	A+PTR	businessweb-110.inet.fi
192.89.123.111	A+PTR	businessweb-111.inet.fi
192.89.123.112	A	businessweb-112.inet.fi
192.89.123.113	A+PTR	businessweb-113.inet.fi
192.89.123.114	A+PTR	businessweb-114.inet.fi
192.89.123.115	A	businessweb-115.inet.fi
192.89.123.116	A	businessweb-116.inet.fi
192.89.123.117	A	businessweb-117.inet.fi
192.89.123.118	A+PTR	businessweb-118.inet.fi
192.89.123.119	A+PTR	businessweb-119.inet.fi
192.89.123.120	A+PTR	businessweb-120.inet.fi
192.89.123.121	A	businessweb-121.inet.fi
192.89.123.122	A+PTR	businessweb-122.inet.fi
192.89.123.122	PTR	businessweb-php5.inet.fi
192.89.123.122	A+PTR	businessweb-test.inet.fi
192.89.123.123	A+PTR	businessweb-123.inet.fi
192.89.123.124	A	businessweb-124.inet.fi
192.89.123.125	A+PTR	businessweb-125.inet.fi
192.89.123.126	A	businessweb-126.inet.fi
192.89.123.127	A+PTR	businessweb-127.inet.fi