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
14,479
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
5,896
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
44,043
HK
530

Top Open Ports

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

Port Open IPs
443 2,227
80 2,187
22 1,074
3389 361
8080 309
8888 283
3306 237
9100 229
111 228
8000 198
10000 192
8443 179
1080 179
8001 169
8081 161