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
14,423
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
43,903
HK
530

Top Open Ports

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

Port Open IPs
443 2,170
80 2,155
22 1,040
3389 351
8080 302
8888 277
3306 232
9100 225
111 223
8000 195
10000 189
1080 177
8443 177
8001 167
8081 161