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
14,396
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
43,769
HK
528

Top Open Ports

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

Port Open IPs
443 2,125
80 2,101
22 1,014
3389 337
8080 288
8888 273
3306 225
9100 220
111 217
8000 187
10000 182
1080 175
8443 171
8001 166
8081 158