Robtex

Up: 5.153.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 5.153.168.0/22
Down right: 5.153.172.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.153.168.2	PTR	horizont.donbass.com
5.153.173.0	PTR	0.donpv.donbass.com
5.153.173.1	PTR	1.donpv.donbass.com
5.153.173.2	PTR	2.donpv.donbass.com
5.153.173.3	PTR	3.donpv.donbass.com
5.153.173.5	A	lankeeper.donntu.org
5.153.173.6	A	ns0.donntu.org
5.153.173.6	A	ns0.dgtu.donetsk.ua
5.153.173.6	A	ns0.donntu.ru
5.153.173.8	PTR	8.donpv.donbass.com
5.153.173.9	PTR	9.donpv.donbass.com
5.153.173.10	PTR	10.donpv.donbass.com
5.153.173.11	PTR	11.donpv.donbass.com
5.153.173.11	A	donmap.donntu.org
5.153.173.16	PTR	16.donpv.donbass.com
5.153.173.17	PTR	17.donpv.donbass.com
5.153.173.18	PTR	18.donpv.donbass.com
5.153.173.18	A	ns2.donntu.ru
5.153.173.18	A	relay.donntu.org
5.153.173.19	PTR	19.donpv.donbass.com
5.153.173.19	A	temp.dgtu.donetsk.ua
5.153.173.24	PTR	24.donpv.donbass.com
5.153.173.25	PTR	25.donpv.donbass.com
5.153.173.25	A	donntu.org
5.153.173.25	A	donntu.ru
5.153.173.26	PTR	26.donpv.donbass.com
5.153.173.27	PTR	27.donpv.donbass.com
5.153.173.32	PTR	32.donpv.donbass.com
5.153.173.33	PTR	33.donpv.donbass.com
5.153.173.34	PTR	34.donpv.donbass.com
5.153.173.35	PTR	35.donpv.donbass.com
5.153.173.40	PTR	40.donpv.donbass.com
5.153.173.41	PTR	41.donpv.donbass.com
5.153.173.42	PTR	42.donpv.donbass.com
5.153.173.43	PTR	43.donpv.donbass.com
5.153.173.48	PTR	48.donpv.donbass.com
5.153.173.49	PTR	49.donpv.donbass.com
5.153.173.50	PTR	50.donpv.donbass.com
5.153.173.51	PTR	51.donpv.donbass.com
5.153.173.56	PTR	56.donpv.donbass.com
5.153.173.57	PTR	57.donpv.donbass.com
5.153.173.58	PTR	58.donpv.donbass.com
5.153.173.59	PTR	59.donpv.donbass.com
5.153.173.64	PTR	64.donpv.donbass.com
5.153.173.65	PTR	65.donpv.donbass.com
5.153.173.66	PTR	66.donpv.donbass.com
5.153.173.67	PTR	67.donpv.donbass.com
5.153.173.72	PTR	72.donpv.donbass.com
5.153.173.73	PTR	73.donpv.donbass.com
5.153.173.74	PTR	74.donpv.donbass.com
5.153.173.75	PTR	75.donpv.donbass.com
5.153.173.80	PTR	80.donpv.donbass.com
5.153.173.81	PTR	81.donpv.donbass.com
5.153.173.82	PTR	82.donpv.donbass.com
5.153.173.83	PTR	83.donpv.donbass.com
5.153.173.88	PTR	88.donpv.donbass.com
5.153.173.89	PTR	89.donpv.donbass.com
5.153.173.90	PTR	90.donpv.donbass.com
5.153.173.91	PTR	91.donpv.donbass.com
5.153.173.96	PTR	96.donpv.donbass.com
5.153.173.97	PTR	97.donpv.donbass.com
5.153.173.98	PTR	98.donpv.donbass.com
5.153.173.99	PTR	99.donpv.donbass.com
5.153.173.104	PTR	104.donpv.donbass.com
5.153.173.105	PTR	105.donpv.donbass.com
5.153.173.106	PTR	106.donpv.donbass.com
5.153.173.107	PTR	107.donpv.donbass.com
5.153.173.108	A	library.donntu.org
5.153.173.108	A	library.dgtu.donetsk.ua
5.153.173.112	PTR	112.donpv.donbass.com
5.153.173.113	PTR	113.donpv.donbass.com
5.153.173.114	PTR	114.donpv.donbass.com
5.153.173.114	A	ec.donntu.org
5.153.173.115	PTR	115.donpv.donbass.com
5.153.173.120	PTR	120.donpv.donbass.com
5.153.173.121	PTR	121.donpv.donbass.com
5.153.173.122	PTR	122.donpv.donbass.com
5.153.173.123	PTR	123.donpv.donbass.com
5.153.173.211	A	home.cs.dgtu.donetsk.ua
5.153.174.71	A	ftp.voda.dn.ua