Robtex

Up: 198.89.228.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.89.228.0/25
Down right: 198.89.228.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.89.228.13	A	mail.isntelcom.com
198.89.228.13	A	users.ipfone.com
198.89.228.13	A	efax.isnbroadband.net
198.89.228.24	PTR	h-198-89-228-24.isncom.net
198.89.228.24	A	www.darcom.com.ar
198.89.228.26	PTR	h-198-89-228-26.isncom.net
198.89.228.26	A	www.ipfone.com
198.89.228.26	A	isnbroadband.net
198.89.228.28	PTR	h-198-89-228-28.isncom.net
198.89.228.28	A	mail.isnbroadband.net
198.89.228.28	A	mx.darcom.com.ar
198.89.228.88	A	mx.darcom.com.ar
198.89.228.91	PTR	www.ipfone.com
198.89.228.91	A	iphospitality.com
198.89.228.91	A	phonesrusinc.com