Robtex

Up: 83.228.88.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 83.228.88.0/24
Down right: 83.228.89.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.228.88.2	A	ahmed8.cl.link.bg
83.228.88.22	PTR	mail.openlydiscuss.com
83.228.88.22	A	openlydiscuss.com
83.228.88.114	PTR	83-228-88-114.ip.btc-net.bg
83.228.88.130	A+PTR	83-228-88-130.ip.btc-net.bg
83.228.88.130	A	5011.bitkey.net
83.228.88.130	A	bitkey.net
83.228.89.2	PTR	83-228-89-2.ip.egov.bg
83.228.89.2	A	83-228-89-2.ip.btc-net.bg
83.228.89.3	PTR	83-228-89-3.ip.btc-net.bg
83.228.89.3	A	petrich.bg
83.228.89.3	A	egov.bg
83.228.89.4	A+PTR	83-228-89-4.ip.btc-net.bg
83.228.89.5	PTR	83-228-89-5.ip.egov.bg
83.228.89.5	A	83-228-89-5.ip.btc-net.bg
83.228.89.5	A	pay.egov.bg
83.228.89.13	A+PTR	83-228-89-13.ip.btc-net.bg
83.228.89.13	A	pe.test.egov.bg
83.228.89.13	A	edelivery.egov.bg
83.228.89.14	A	evalidation.egov.bg
83.228.89.26	A	mbox.egov.bg
83.228.89.28	A+PTR	83-228-89-28.ip.btc-net.bg
83.228.89.28	A	veau.egov.bg
83.228.89.29	PTR	83-228-89-29.ip.egov.bg
83.228.89.29	A	83-228-89-29.ip.btc-net.bg
83.228.89.30	A+PTR	83-228-89-30.ip.btc-net.bg
83.228.89.30	A	webmail.eufunds.bg
83.228.89.46	A+PTR	83-228-89-46.ip.btc-net.bg
83.228.89.46	A	rir.egov.bg
83.228.89.55	A+PTR	83-228-89-55.ip.btc-net.bg
83.228.89.61	A+PTR	83-228-89-61.ip.btc-net.bg
83.228.89.65	A+PTR	83-228-89-65.ip.btc-net.bg
83.228.89.74	A	83-228-89-74.ip.btc-net.bg
83.228.89.75	A+PTR	83-228-89-75.ip.btc-net.bg
83.228.89.204	A+PTR	83-228-89-204.ip.btc-net.bg
83.228.89.204	A	eop.bg
83.228.89.207	A+PTR	mail.eop.bg
83.228.89.233	A+PTR	83-228-89-233.ip.btc-net.bg
83.228.89.235	A+PTR	ns1.egov.bg
83.228.89.236	A+PTR	mg1.egov.bg
83.228.89.237	A+PTR	mg2.egov.bg