Robtex

Up: 220.233.16.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 220.233.16.0/25
Down right: 220.233.16.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.233.16.2	A+PTR	2.16.233.220.static.exetel.com.au
220.233.16.2	A	hallj.com
220.233.16.3	A+PTR	3.16.233.220.static.exetel.com.au
220.233.16.12	PTR	12.16.233.220.static.exetel.com.au
220.233.16.12	A	firewall.2freeq.com
220.233.16.12	A	mail.2freeq.com
220.233.16.22	A+PTR	22.16.233.220.static.exetel.com.au
220.233.16.23	A+PTR	23.16.233.220.static.exetel.com.au
220.233.16.23	A	franky.id.au
220.233.16.62	A+PTR	62.16.233.220.static.exetel.com.au
220.233.16.83	A+PTR	83.16.233.220.static.exetel.com.au
220.233.16.144	PTR	144.16.233.220.static.exetel.com.au
220.233.16.144	A	mail.fcglegal.com
220.233.16.157	A+PTR	157.16.233.220.static.exetel.com.au
220.233.16.157	A	mail.doddsy.com.au
220.233.16.157	A	doddsy.com.au
220.233.16.167	A	167.16.233.220.static.exetel.com.au
220.233.16.183	A+PTR	183.16.233.220.static.exetel.com.au
220.233.16.183	A	anotherspot.com
220.233.16.187	A+PTR	187.16.233.220.static.exetel.com.au
220.233.16.214	PTR	214.16.233.220.static.exetel.com.au
220.233.16.241	A	241.16.233.220.static.exetel.com.au