Robtex

Up: 88.220.160.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 88.220.161.0/25
Down right: 88.220.161.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
88.220.161.1	PTR	external.ciech.waw.pl
88.220.161.4	A	smtp1.ciechgroup.com
88.220.161.7	PTR	host88220161-7.telnaptelecom.pl
88.220.161.7	A	sodawerk.com
88.220.161.7	A	cheman.com.pl
88.220.161.10	PTR	external.ciech.com
88.220.161.14	PTR	mx2.ciechgroup.com
88.220.161.14	A	mx2.ciech.waw.pl
88.220.161.16	A+PTR	vdr.ciech.com
88.220.161.19	A+PTR	tms.ciech.com
88.220.161.22	A	mail.ciech.com
88.220.161.22	A	poczta.ciech.com
88.220.161.26	A+PTR	mgw1.chemia.com
88.220.161.27	A	hrm.ciech.com
88.220.161.29	A	ciechtrading.pl
88.220.161.29	A	ciechtrading.com
88.220.161.30	A	mx.ciechgroup.com
88.220.161.35	PTR	host88220161-35.telnaptelecom.pl
88.220.161.42	A	www.erejestracja.net
88.220.161.51	PTR	host88220161-51.telnaptelecom.pl
88.220.161.51	A	rars.gov.pl
88.220.161.52	A	www.armgov.pl
88.220.161.53	A	www.warszawianka.biz
88.220.161.53	A	www.arm.gov.pl
88.220.161.196	PTR	host88220161-196.telnaptelecom.pl
88.220.161.196	A	www.go-green.pl
88.220.161.239	A	spesftp.ciech.com
88.220.161.251	A	e-falmecpolska.pl