Check-Host.cc

Autonomous System

AS23724 · IDC, China Telecommunications Corporation

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

Announced IPs
3.18M
IPv4
IPv4 Prefixes
760
IPv6 Prefixes
88
Hosted Domains
14,370
resolve into this AS
Peers
Customers
16

AS Profile

AS Name
IDC, China Telecommunications Corporation
AS Type
Scope
Not Disclosed
RIR
APNIC
Country
CN
Allocated
2003-04-22

RPKI Validity

Total ROAs
3,262
Valid Prefixes
692
NotFound
156
Announced (BGP)
848
RPKI Coverage
81.6%

Geographic Footprint

Countries where this AS's scanned IPs are geolocated, by open-IP count.

CN
43,708
HK
528

Top Open Ports

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

Port Open IPs
443 2,108
80 2,073
22 1,004
3389 332
8080 287
8888 271
3306 222
9100 217
111 215
8000 184
10000 179
1080 173
8443 168
8001 164
8081 157