Robtex

Up: 58.185.80.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 58.185.82.0/24
Down right: 58.185.83.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.185.82.98	A+PTR	mail.bescon.com.sg
58.185.82.98	A	note03.komatsu.com.sg
58.185.82.99	A	smtp1.komatsu.com.sg
58.185.82.106	A+PTR	rigel-fw.rigel-group.com
58.185.82.106	A	qingfeng2018.com
58.185.82.138	A	mailmav2.starmedia.bz
58.185.82.138	A	mailmav2.expand.com.sg
58.185.82.138	A	mailmav2.mediaconnection.com.sg
58.185.82.249	A	ascenstar-cms.com
58.185.83.35	A	myisams.sais.edu.sg
58.185.83.46	A	saismailer.edu.sg
58.185.83.46	A	www.mystamford.edu.sg
58.185.83.46	A	mail.saismailer.edu.sg
58.185.83.51	A+PTR	mail.megatron.com.sg
58.185.83.51	A	ns1.megatron.com.sg
58.185.83.52	A	megatron.com.sg
58.185.83.68	A	mail.pcb.com.sg
58.185.83.68	A	mail.pcbxp.com
58.185.83.68	A	mail.discountstore.com.sg
58.185.83.77	A	starwood-careers.com
58.185.83.163	PTR	mail.hakuto.com.sg
58.185.83.163	PTR	server1.hakuto.com.sg