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
14,467
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
5,018
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
44,017
HK
530

Top Open Ports

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

Port Open IPs
443 2,222
80 2,181
22 1,071
3389 359
8080 308
8888 282
3306 236
9100 228
111 227
8000 198
10000 191
1080 178
8443 178
8001 168
8081 161