Check-Host.cc

Autonomous System

AS17428 · 21vianet

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Announced IPs
14,336
IPv4
IPv4 Prefixes
20
IPv6 Prefixes
3
Hosted Domains
1
resolve into this AS
Peers
Customers

AS Profile

AS Name
21vianet
Also known as
21Vianet.Co.,Ltd
AS Type
Scope
Not Disclosed
RIR
Country
Allocated

RPKI Validity

Total ROAs
Valid Prefixes
NotFound
Announced (BGP)
23
RPKI Coverage

Top Open Ports

Most common open ports across IPs in this AS (last 30 days).

Port Open IPs
443 1