Robtex

Up: 142.4.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 142.4.160.0/23
Down right: 142.4.162.0/23

IP	Type	Hostname
142.4.161.28	A	mail.alvike.com
142.4.161.117	PTR	tech109.coffeeprime.com
142.4.161.132	PTR	tech124.coffeeprime.com
142.4.161.157	A	alvike.com
142.4.161.190	PTR	tech181.coffeeprime.com
142.4.161.203	A	ns1.alvike.com
142.4.161.204	A	ns2.alvike.com
142.4.161.216	PTR	tech207.coffeeprime.com
142.4.163.193	PTR	wire184.eatright365.com
142.4.163.194	PTR	wire185.eatright365.com
142.4.163.194	A	ns2.beartn.com
142.4.163.253	PTR	wire244.eatright365.com
142.4.163.253	A	mail.beartn.com