Robtex

Up: 121.1.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 121.1.32.0/22
Down right: 121.1.36.0/22
(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