Robtex

Up: 149.255.104.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 149.255.106.0/24
Down right: 149.255.107.0/24

IP	Type	Hostname
149.255.106.0	A+PTR	0.106.255.149.in-addr.arpa
149.255.106.16	A+PTR	16.106.255.149.in-addr.arpa
149.255.106.16	A	ns7.nwims.com
149.255.106.16	A	nl.nwims.com
149.255.106.17	PTR	17.106.255.149.in-addr.arpa
149.255.106.18	A	secure.nwims.com
149.255.106.22	PTR	22.106.255.149.in-addr.arpa
149.255.106.31	A+PTR	31.106.255.149.in-addr.arpa
149.255.106.46	A+PTR	46.106.255.149.in-addr.arpa
149.255.106.96	A+PTR	96.106.255.149.in-addr.arpa
149.255.106.102	PTR	102.106.255.149.in-addr.arpa
149.255.106.105	PTR	105.106.255.149.in-addr.arpa
149.255.106.128	PTR	128.106.255.149.in-addr.arpa
149.255.106.139	A+PTR	139.106.255.149.in-addr.arpa
149.255.106.155	A+PTR	155.106.255.149.in-addr.arpa
149.255.106.191	A+PTR	191.106.255.149.in-addr.arpa
149.255.106.194	A+PTR	194.106.255.149.in-addr.arpa
149.255.106.202	A+PTR	202.106.255.149.in-addr.arpa
149.255.106.221	A+PTR	221.106.255.149.in-addr.arpa
149.255.106.229	A+PTR	229.106.255.149.in-addr.arpa
149.255.107.0	A+PTR	0.107.255.149.in-addr.arpa
149.255.107.10	A+PTR	10.107.255.149.in-addr.arpa
149.255.107.19	A+PTR	19.107.255.149.in-addr.arpa
149.255.107.54	PTR	54.107.255.149.in-addr.arpa
149.255.107.86	A+PTR	86.107.255.149.in-addr.arpa
149.255.107.95	A+PTR	95.107.255.149.in-addr.arpa
149.255.107.105	A+PTR	105.107.255.149.in-addr.arpa
149.255.107.113	A+PTR	113.107.255.149.in-addr.arpa
149.255.107.172	A+PTR	172.107.255.149.in-addr.arpa
149.255.107.215	A+PTR	215.107.255.149.in-addr.arpa