Robtex

Up: 175.111.112.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 175.111.112.0/23
Down right: 175.111.114.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
175.111.112.2	A+PTR	mail6.bbt.co.id
175.111.112.4	PTR	mail.bbt.co.id
175.111.112.4	PTR	mail2.bbt.co.id
175.111.112.4	PTR	pop3.bbt.co.id
175.111.112.5	PTR	cleaner.bbt.co.id
175.111.112.7	PTR	smtp-relay.bbt.co.id
175.111.112.10	A	block.bbt.co.id
175.111.112.24	A+PTR	www.bbt.co.id
175.111.112.36	A	bbzon.net
175.111.112.36	A	*.salowebs.com
175.111.112.38	A+PTR	mrtg.bbt.co.id
175.111.112.38	A	mrtg2.bbt.co.id
175.111.112.52	A+PTR	ofono3.co.id
175.111.112.52	A	www.ofono3.co.id
175.111.113.107	PTR	mail.patlite.co.id
175.111.113.107	A	patlite.co.id
175.111.113.108	PTR	mail2.patlite.co.id
175.111.113.108	PTR	mail.patlite.co.id
175.111.113.246	PTR	npcbdc.socnt1.co.id
175.111.113.246	A	npcmail.nok.com.sg
175.111.114.180	PTR	mail2.grandlagoi.com
175.111.115.244	PTR	seserver01.shinetsubatam.co.id