Robtex

Up: 121.1.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 121.1.32.0/20
Down right: 121.1.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.1.32.195	PTR	mail.richem.com.ph
121.1.32.195	A	avcchem.com
121.1.32.195	A	chem-insurance.com
121.1.33.198	A	acl1-138bts.gw.smartbro.net
121.1.35.9	A+PTR	mail.corboxcorpceb.com
121.1.35.9	A	*.corboxcorpceb.com
121.1.37.19	PTR	sindo.com.ph
121.1.37.65	A	ns1.ibahn.net
121.1.37.66	PTR	fgmx1.ibahn.net.ph
121.1.37.66	A	ibahn.net.ph
121.1.37.66	A	pldtmx.techgearinc.com
121.1.37.99	PTR	daruma.com.ph
121.1.41.4	PTR	mail3.phc.gov.ph
121.1.41.26	A	acerhomes.com
121.1.41.26	A	mail.verdantpoint.com
121.1.41.26	A	mail.acerhomes.com
121.1.41.34	PTR	comfacgroup.com
121.1.41.34	PTR	mail.comfacgroup.com
121.1.41.50	PTR	mico.malayan.com
121.1.41.51	PTR	agent.malayan.com
121.1.43.74	A	acl1-166bts.gw.smartbro.net
121.1.43.134	A	acl1-156bts.gw.smartbro.net
121.1.44.243	A	acl1-174bts.gw.smartbro.net
121.1.44.244	A	acl1-175bts.gw.smartbro.net
121.1.46.10	A	acl1-182bts.gw.smartbro.net
121.1.46.22	A	acl1-187bts.gw.smartbro.net
121.1.46.54	A	acl1-190bts.gw.smartbro.net
121.1.46.74	A	acl1-192bts.gw.smartbro.net
121.1.47.30	A	acl1-208bts.gw.smartbro.net
121.1.47.62	A	acl1-212bts.gw.smartbro.net
121.1.47.186	A	acl1-200bts.gw.smartbro.net
121.1.47.198	A	acl1-201bts.gw.smartbro.net
121.1.48.194	PTR	comfacgroup.com.ph
121.1.48.195	PTR	comfacgroup.com
121.1.49.72	A	www.workatsmart.ph
121.1.49.82	A	staging.pldthome.com
121.1.49.95	A	webmail.mayniladwater.com.ph
121.1.49.135	A	pldthome.com
121.1.49.135	A	m.pldthome.com
121.1.49.135	A	www.pldthome.com
121.1.49.136	A	my.pldthome.com
121.1.51.202	A	acl1-228bts.gw.smartbro.net
121.1.53.5	A	acl1-275bts.gw.smartbro.net
121.1.53.6	A	acl1-286bts.gw.smartbro.net
121.1.53.7	A	acl1-288bts.gw.smartbro.net
121.1.53.10	A	acl1-234bts.gw.smartbro.net
121.1.53.32	A	acl1-258bts.gw.smartbro.net
121.1.53.33	A	acl1-259bts.gw.smartbro.net
121.1.53.34	A	acl1-260bts.gw.smartbro.net
121.1.53.35	A	acl1-261bts.gw.smartbro.net
121.1.55.2	A	acl1-293bts.gw.smartbro.net
121.1.56.22	A+PTR	surftv.smartbro.net
121.1.56.22	A+PTR	wimax.smartbro.net
121.1.56.23	A	ibroext1.smart.com.ph
121.1.57.102	A	acl1-298bts.gw.smartbro.net
121.1.58.30	A	acl1-319bts.gw.smartbro.net
121.1.58.110	A	acl1-313bts.gw.smartbro.net
121.1.59.130	PTR	mail1.sumitronics-phils.com
121.1.61.203	A	acl1-339bts.gw.smartbro.net
121.1.63.38	A	acl1-345bts.gw.smartbro.net