Data as of Nov 6, 2026

210.74.240.0/20

No anonymizer space · no proxy exits in 30 days

China Telecom (Group) · space held by China Internet Network Information Center

Announcement

this exact prefix

No RPKI

Announced by

Type

Residential

98% of it

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
210.74.160.0 - 210.74.255.255	24,576	CNNIC	China Internet Network Information Center	ALLOCATED PORTABLE	—	ipas@cnnic.cn
└ 210.74.224.0/19	8,192	SHTEL-STD	ShangHai Telecom Science & Technology Development Co.,Ltd	ALLOCATED PORTABLE	—	ipas@cnnic.cn
└ 210.74.251.16/30	4	YOUNISENG	Shanghai You Ni Seng Trade Co.,Ltd	ASSIGNED NON-PORTABLE	—	ipas@cnnic.cn via SHTEL-STD
└ 210.74.251.20/30	4	GWCOM	Shanghai Gwcom Co.,Ltd	ASSIGNED NON-PORTABLE	—	ipas@cnnic.cn via SHTEL-STD
└ 210.74.251.24/29	8	SGLSH	Shanghai SGLSH Co.Ltd	ASSIGNED NON-PORTABLE	—	ipas@cnnic.cn via SHTEL-STD
└ 210.74.251.32/29	8	JILING	Shanghai Jiling Co.,Ltd	ASSIGNED NON-PORTABLE	—	ipas@cnnic.cn via SHTEL-STD
└ 210.74.251.48/28	16	RISO	Shanghai Riso Co.,Ltd	ASSIGNED NON-PORTABLE	—	ipas@cnnic.cn via SHTEL-STD
└ 210.74.251.64/29	8	SUXUN	Shanghai Data Solution Co.,Ltd	ASSIGNED NON-PORTABLE	—	ipas@cnnic.cn via SHTEL-STD
└ 210.74.251.96/27	32	ZSLTEST	Shanghai ZSL Co.,Ltd	ASSIGNED NON-PORTABLE	—	ipas@cnnic.cn via SHTEL-STD
└ 210.74.251.128/28	16	SAP	Shanghai SAP Co.,Ltd	ASSIGNED NON-PORTABLE	—	ipas@cnnic.cn via SHTEL-STD
└ 210.74.255.0/24	256	DONGHAI	Donghai Computer Co.Ltd	ASSIGNED NON-PORTABLE	—	ipas@cnnic.cn via SHTEL-STD

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

The types across the prefix's announced space, by addresses.

Announced space

Announced space

4,096 addresses

Type	Addresses	Share	Ranges
Residential	4,000	98%	4
Business	96	2.3%	8

IPv4 market

Origin network