Robtex

Up: 204.74.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 204.74.66.0/25
Down right: 204.74.66.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.74.66.1	PTR	udns1.cscdns.net
204.74.66.1	PTR	udns1.cscdns.uk
204.74.66.1	PTR	ns1.webipdns.com.au
204.74.66.2	A+PTR	edns2.ultradns.com
204.74.66.3	A+PTR	edns3.ultradns.com
204.74.66.3	A	ns1.american.bank
204.74.66.3	A	ns1.dnsvisa.com
204.74.66.4	A+PTR	edns4.ultradns.com
204.74.66.4	A	dns1.iberiabankcorp.com
204.74.66.4	A	ns1.central1.com
204.74.66.5	A+PTR	edns5.ultradns.com
204.74.66.6	A+PTR	edns6.ultradns.com
204.74.66.7	A+PTR	edns7.ultradns.com
204.74.66.8	A+PTR	edns8.ultradns.com
204.74.66.9	A+PTR	edns9.ultradns.com
204.74.66.10	A+PTR	edns10.ultradns.com
204.74.66.11	A+PTR	edns11.ultradns.com
204.74.66.12	A+PTR	edns12.ultradns.com
204.74.66.13	A+PTR	edns13.ultradns.com
204.74.66.14	A+PTR	edns14.ultradns.com
204.74.66.15	A+PTR	edns15.ultradns.com
204.74.66.16	A+PTR	edns16.ultradns.com
204.74.66.17	A+PTR	edns17.ultradns.com
204.74.66.18	A+PTR	edns18.ultradns.com
204.74.66.19	A+PTR	edns19.ultradns.com
204.74.66.20	A+PTR	edns20.ultradns.com
204.74.66.21	A+PTR	edns21.ultradns.com
204.74.66.22	A+PTR	edns22.ultradns.com
204.74.66.23	A+PTR	edns23.ultradns.com
204.74.66.24	A+PTR	edns24.ultradns.com
204.74.66.25	A+PTR	edns25.ultradns.com
204.74.66.26	A+PTR	edns26.ultradns.com
204.74.66.27	A+PTR	edns27.ultradns.com
204.74.66.28	A+PTR	edns28.ultradns.com
204.74.66.29	A+PTR	edns29.ultradns.com
204.74.66.30	A+PTR	edns30.ultradns.com
204.74.66.31	A+PTR	edns31.ultradns.com
204.74.66.32	A+PTR	edns32.ultradns.com
204.74.66.33	A+PTR	edns33.ultradns.com
204.74.66.34	A+PTR	edns34.ultradns.com
204.74.66.35	A+PTR	edns35.ultradns.com
204.74.66.36	A+PTR	edns36.ultradns.com
204.74.66.37	A+PTR	edns37.ultradns.com
204.74.66.38	A+PTR	edns38.ultradns.com
204.74.66.39	A+PTR	edns39.ultradns.com
204.74.66.40	A+PTR	edns40.ultradns.com
204.74.66.41	A+PTR	edns41.ultradns.com
204.74.66.63	A+PTR	edns63.ultradns.com
204.74.66.64	A+PTR	edns64.ultradns.com
204.74.66.67	A+PTR	edns67.ultradns.com
204.74.66.69	A+PTR	edns69.ultradns.com
204.74.66.73	A	edns73.ultradns.com
204.74.66.75	A+PTR	edns75.ultradns.com
204.74.66.80	A+PTR	edns80.ultradns.com
204.74.66.81	A+PTR	edns81.ultradns.com
204.74.66.82	A+PTR	edns82.ultradns.com
204.74.66.83	A+PTR	edns83.ultradns.com
204.74.66.85	A+PTR	edns85.ultradns.com
204.74.66.86	A+PTR	edns86.ultradns.com
204.74.66.90	A+PTR	edns90.ultradns.com
204.74.66.93	A+PTR	edns93.ultradns.com
204.74.66.94	A+PTR	edns94.ultradns.com
204.74.66.95	A+PTR	edns95.ultradns.com
204.74.66.99	PTR	edns99.ultradns.com
204.74.66.99	A	nsu1.ogu28.com
204.74.66.99	A	nsu1.bdg630.com
204.74.66.101	A+PTR	edns101.ultradns.com
204.74.66.102	A+PTR	edns102.ultradns.com
204.74.66.103	A+PTR	edns103.ultradns.com
204.74.66.104	A+PTR	edns104.ultradns.com
204.74.66.116	A+PTR	edns116.ultradns.com
204.74.66.117	A+PTR	edns117.ultradns.com
204.74.66.117	A	ns3.dnspackage.com
204.74.66.117	A	ns1.dnspackage.com
204.74.66.119	A+PTR	edns119.ultradns.com
204.74.66.123	A+PTR	edns123.ultradns.com
204.74.66.123	A	ns1.ncrsaasdns.com
204.74.66.123	A	ns4.diginsite.com
204.74.66.124	A+PTR	edns124.ultradns.com
204.74.66.125	A+PTR	edns125.ultradns.com
204.74.66.125	A	1.storia.biz.olxdns.com
204.74.66.126	A+PTR	edns126.ultradns.com
204.74.66.129	A+PTR	edns129.ultradns.com
204.74.66.129	A	dns01.oversee.net
204.74.66.130	A+PTR	ns1.eurodns.com
204.74.66.132	A+PTR	edns132.ultradns.com
204.74.66.133	A+PTR	dns01.gamingsystem.ag
204.74.66.133	A	dns01.gamingsystem.net
204.74.66.134	A	ns1.ebrandservices.com
204.74.66.135	A+PTR	ns1.octopoly.nz
204.74.66.136	A+PTR	edns136.ultradns.com
204.74.66.137	A+PTR	edns137.ultradns.com
204.74.66.138	A+PTR	edns138.ultradns.com
204.74.66.138	A	ns1.adxdns.com
204.74.66.139	A+PTR	edns139.ultradns.com
204.74.66.140	A+PTR	edns140.ultradns.com
204.74.66.143	A+PTR	edns143.ultradns.com
204.74.66.144	PTR	edns144.ultradns.com
204.74.66.144	A	ns1.esdns.net
204.74.66.147	PTR	edns147.ultradns.com
204.74.66.147	A	ns2.twdcns.com
204.74.66.147	A	sens02.dig.com
204.74.66.158	A+PTR	ubisoft01.ultradns.net
204.74.66.159	A+PTR	edns159.ultradns.com
204.74.66.160	A+PTR	edns160.ultradns.com
204.74.66.242	A+PTR	edns242.ultradns.com
204.74.66.242	A	dns01.betinternet.com
204.74.66.244	A+PTR	edns244.ultradns.com
204.74.66.246	A+PTR	dns01.logicempire.com
204.74.66.247	A+PTR	edns247.ultradns.com
204.74.66.249	A	edns249.ultradns.com
204.74.66.250	A+PTR	edns250.ultradns.com
204.74.66.251	A+PTR	edns251.ultradns.com
204.74.66.252	A+PTR	edns252.ultradns.com
204.74.66.253	A+PTR	edns253.ultradns.com