AS138421
AS138421
APNIC
ISP
Data retrieved at
This AS-only summary is estimated from a sample IP within a prefix announced by this AS, not from a specific query. Search a real IP for exact details.
Network
AS Number
AS138421
Company
China Unicom
AS Domain
chinaunicom.cn
Using host.io for pre-visualize domains.
Type
ISP
IPv4 Addresses
187,392
IPv6 Addresses
6.46×10²⁶
Registry (RIR)
APNIC
203.166.166.0/24
Abuse Contacts
Announced Prefixes (284)
Netblock
Num. of IPs
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Valid
This prefix is correctly authorized by a valid ROA.
VALID
Validated Prefix
203.166.166.0/24
Authorized ASN
AS138421
IP Geolocation
Country
China
Continent
Asia
European Union
No
Phone prefix
+86
Currency
Chinese Yuan (CNY ¥)
Approximate location (country-level)
Open in Maps