Robtex

Up: 37.228.108.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 37.228.110.0/24
Down right: 37.228.111.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.228.110.3	A+PTR	v0628.cr-02.dc1.opera.com
37.228.111.1	PTR	gw-ash.deploy.akamaitechnologies.com
37.228.111.63	PTR	a37-228-111-63.deploy.akamaitechnologies.com
37.228.111.64	PTR	a37-228-111-64.deploy.akamaitechnologies.com
37.228.111.70	PTR	a37-228-111-70.deploy.akamaitechnologies.com
37.228.111.71	A+PTR	a37-228-111-71.deploy.akamaitechnologies.com
37.228.111.76	A+PTR	a37-228-111-76.deploy.akamaitechnologies.com
37.228.111.129	A+PTR	v0629.dc1.opera.com
37.228.111.130	A+PTR	v0629.cr-01.dc1.opera.com
37.228.111.131	A+PTR	v0629.cr-02.dc1.opera.com
37.228.111.136	A+PTR	a13-01-01.opera-mini.net
37.228.111.137	A+PTR	a13-01-02.opera-mini.net
37.228.111.138	A+PTR	a13-01-03.opera-mini.net
37.228.111.139	PTR	a13-01-04.opera-mini.net
37.228.111.144	A+PTR	a13-02-01.opera-mini.net
37.228.111.145	A+PTR	a13-02-02.opera-mini.net
37.228.111.145	A	static.naver.jp.att.ngezz.tk
37.228.111.146	A	a13-02-03.opera-mini.net
37.228.111.153	A+PTR	a13-03-02.opera-mini.net
37.228.111.157	A+PTR	a13-06-02.opera-mini.net
37.228.111.157	A	camera.line.me.157.threeas.from.mrbonus.com
37.228.111.163	PTR	a13-07-02.opera-mini.net
37.228.111.164	A+PTR	a13-07-03.opera-mini.net
37.228.111.165	PTR	a13-07-04.opera-mini.net
37.228.111.170	A	a13-08-01.opera-mini.net
37.228.111.171	A+PTR	a13-08-02.opera-mini.net
37.228.111.171	A	instant.indosat.com.publicvm.com
37.228.111.171	A	internet.indosat.com.publicvm.com
37.228.111.172	A	a13-08-03.opera-mini.net
37.228.111.189	A+PTR	a13-08-07.opera-mini.net
37.228.111.189	A	test-att-test.opera-mini.net
37.228.111.190	PTR	att-us-cust.opera-mini.net
37.228.111.190	A	com.att.ngezz-opera.tk
37.228.111.190	A	id.annaimoetz.co.vu
37.228.111.243	PTR	epsilon-111-243.opera.com