Robtex

Up: 212.47.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 212.47.128.0/23
Down right: 212.47.130.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.47.128.1	A+PTR	main-gw.azerin.com
212.47.128.5	A+PTR	bp-gw.azerin.com
212.47.128.6	A	salyan-gw.azerin.com
212.47.128.8	A	interpol-gw.azerin.com
212.47.128.10	A	bakinter-gw.azerin.com
212.47.128.11	A	adanet-gw.azerin.com
212.47.128.12	A+PTR	crrc-gw.azerin.com
212.47.128.14	A+PTR	ll-gw.azerin.com
212.47.128.16	A+PTR	ns01.azerin.com
212.47.128.16	A	mail.azerin.net
212.47.128.16	A	ns.azerin.net
212.47.128.17	PTR	azerin.com
212.47.128.17	PTR	hosting.azerin.com
212.47.128.17	A	azyb.net
212.47.128.18	PTR	jail.azerin.com
212.47.128.20	A+PTR	mail.azerin.com
212.47.128.20	A	mail.azerin.net
212.47.128.20	A	azerin.net
212.47.128.21	PTR	switch.azerin.com
212.47.128.23	PTR	ml350.azerin.com
212.47.128.24	A+PTR	ns02.azerin.com
212.47.128.24	A	www.azerin.net
212.47.128.27	A+PTR	diablo.azerin.com
212.47.128.27	A	test.azerin.com
212.47.128.30	A+PTR	proxy.azerin.com
212.47.128.33	PTR	secure.oxygen.az
212.47.128.40	A+PTR	memphis.azerin.com
212.47.128.100	A+PTR	office-gw.azerin.com
212.47.128.109	A	test_firewall.azerin.com
212.47.128.254	A	dialup-gw.azerin.com
212.47.129.14	A+PTR	dialup-14.nas01.azerin.com
212.47.129.26	PTR	dialup-26.nas01.azerin.com
212.47.129.60	A+PTR	dialup-60.nas01.azerin.com
212.47.129.81	PTR	dialup-81.nas01.azerin.com
212.47.129.124	A+PTR	dialup-124.nas01.azerin.com
212.47.129.146	A+PTR	dialup-146.nas01.azerin.com
212.47.129.205	A+PTR	dialup-205.nas01.azerin.com
212.47.129.253	A	nas01.azerin.com