AS17428
AS17428
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
AS17428
Company
21Vianet.Co.,Ltd
AS Domain
21vianet.com
Using host.io for pre-visualize domains.
Type
ISP
IPv4 Addresses
16,640
IPv6 Addresses
7.92×10²⁸
Registry (RIR)
APNIC
211.148.20.0/22
Abuse Contacts
Announced Prefixes (30)
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
211.148.20.0/22
Authorized ASN
AS17428
IP Geolocation
Country
China
Continent
Asia
European Union
No
Phone prefix
+86
Currency
Chinese Yuan (CNY ¥)
Approximate location (country-level)
Open in Maps