Robtex

Up: 152.104.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 152.104.180.0/23
Down right: 152.104.182.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
152.104.180.45	PTR	static-ip-45-180-104-152.anlai.com
152.104.180.45	A	mail.dexindg.com
152.104.180.138	PTR	mail.acrongroup.com.cn
152.104.180.138	A	mail1.nuconn.com.cn
152.104.180.138	A	acrongroup.com.cn
152.104.181.133	PTR	static-ip-133-181-104-152.anlai.com
152.104.181.133	A	joinland.cn
152.104.181.192	PTR	panpi.com.cn
152.104.181.196	A+PTR	mail.panpi.com.cn
152.104.181.197	PTR	mailsqr.panpi.com.cn
152.104.181.197	A	mse.panpi.com.cn
152.104.181.198	A+PTR	sthm.panpi.com.cn
152.104.181.200	A+PTR	panhm.panpi.com.cn
152.104.182.8	PTR	static-ip-8-182-104-152.anlai.com
152.104.182.20	PTR	static-ip-20-182-104-152.anlai.com
152.104.182.31	PTR	static-ip-31-182-104-152.anlai.com
152.104.182.81	PTR	static-ip-81-182-104-152.anlai.com
152.104.182.122	PTR	static-ip-122-182-104-152.anlai.com
152.104.182.132	A	galliton.com.cn
152.104.182.139	PTR	jswpac.com.cn
152.104.182.141	PTR	static-ip-141-182-104-152.anlai.com
152.104.182.160	PTR	static-ip-160-182-104-152.anlai.com
152.104.182.181	PTR	static-ip-181-182-104-152.anlai.com
152.104.182.182	PTR	static-ip-182-182-104-152.anlai.com
152.104.182.207	PTR	static-ip-207-182-104-152.anlai.com
152.104.182.228	PTR	static-ip-228-182-104-152.anlai.com
152.104.182.251	PTR	static-ip-251-182-104-152.anlai.com
152.104.183.199	A	ns2.fki-group.com
152.104.183.199	A	fki-group.com
152.104.183.199	A	ns1.dg-hongta.com
152.104.183.200	PTR	static-ip-200-183-104-152.anlai.com
152.104.183.200	A	mail.fastnew.com.cn
152.104.183.200	A	mail.ione-cn.com
152.104.183.201	PTR	static-ip-201-183-104-152.anlai.com
152.104.183.202	PTR	mail1.fki-group.com
152.104.183.202	A	mail.ione-cn.com