Robtex

Up: 31.15.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.15.88.0/22
Down right: 31.15.92.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.15.88.0	PTR	unspecified.progtech-yug.ru
31.15.88.2	A+PTR	ns0.progtech-yug.ru
31.15.88.3	A+PTR	ns1.progtech-yug.ru
31.15.88.4	A	mail.progtech-yug.ru
31.15.88.6	A	www.progtech-yug.ru
31.15.88.10	A	tv.anport.ru
31.15.88.11	A	games.anport.ru
31.15.88.15	A	anport.ru
31.15.88.16	A	mail.anport.ru
31.15.88.18	A	www.progtech-yug.ru
31.15.88.18	A	anport.ru
31.15.88.18	A	www.anport.ru
31.15.88.35	PTR	31-15-88-35.broadband.progtech-yug.ru
31.15.88.122	PTR	31-15-88-122.broadband.progtech-yug.ru
31.15.88.134	A	www.gbanapa.ru
31.15.88.134	A	alter-net.me
31.15.88.134	A	www.alter-net.me
31.15.88.139	PTR	unspecified.progtech-yug.ru
31.15.88.139	A	flyanapa.ru
31.15.88.139	A	mail.flyanapa.ru
31.15.88.154	PTR	31-15-88-154.broadband.progtech-yug.ru
31.15.88.246	A	www.alter-online.ru
31.15.88.246	A	alter-online.ru
31.15.89.19	PTR	unspecified.progtech-yug.ru
31.15.89.19	A	flyanapa.ru
31.15.89.34	PTR	unspecified.progtech-yug.ru
31.15.89.42	PTR	31-15-89-42.broadband.progtech-yug.ru
31.15.89.51	PTR	31-15-89-51.broadband.progtech-yug.ru
31.15.89.83	PTR	31-15-89-83.broadband.progtech-yug.ru
31.15.89.232	PTR	unspecified.progtech-yug.ru
31.15.90.97	PTR	unspecified.progtech-yug.ru
31.15.90.112	PTR	31-15-90-112.broadband.progtech-yug.ru
31.15.90.146	PTR	unspecified.progtech-yug.ru
31.15.90.178	PTR	31-15-90-178.broadband.progtech-yug.ru
31.15.90.211	PTR	unspecified.progtech-yug.ru
31.15.91.91	PTR	unspecified.progtech-yug.ru
31.15.91.178	PTR	unspecified.progtech-yug.ru
31.15.92.11	PTR	unspecified.progtech-yug.ru
31.15.92.27	PTR	unspecified.progtech-yug.ru
31.15.92.113	PTR	unspecified.progtech-yug.ru
31.15.92.138	PTR	unspecified.progtech-yug.ru
31.15.92.209	PTR	31-15-92-209.broadband.progtech-yug.ru
31.15.93.72	PTR	unspecified.progtech-yug.ru
31.15.93.81	PTR	unspecified.progtech-yug.ru
31.15.93.139	PTR	31-15-93-139.broadband.progtech-yug.ru
31.15.93.202	PTR	unspecified.progtech-yug.ru
31.15.94.107	PTR	unspecified.progtech-yug.ru
31.15.95.35	PTR	unspecified.progtech-yug.ru
31.15.95.56	PTR	unspecified.progtech-yug.ru
31.15.95.192	PTR	unspecified.progtech-yug.ru
31.15.95.201	PTR	unspecified.progtech-yug.ru
31.15.95.209	PTR	31-15-95-209.broadband.progtech-yug.ru