Check-Host.cc

Autonomous System

AS21499

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

Announced IPs
IPv4
IPv4 Prefixes
IPv6 Prefixes
Hosted Domains
resolve into this AS
Peers
Customers

AS Profile

AS Name
AS Type
RIR
Country
Allocated

RPKI Validity

Total ROAs
1,473
Valid Prefixes
NotFound
Announced (BGP)
RPKI Coverage

Geographic Footprint

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

FR
26,850
DE
5,950
GB
3,024
NL
1,468
US
749

Top Open Ports

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

Port Open IPs
443 4,135
80 3,595
110 3,324
995 3,166
22 3,159
21 3,079
143 2,978
25 2,930
993 2,838
3306 2,709
465 2,530
587 2,424
53 796
8443 648
8880 555

Upstreams

Tier-1 / transit-free network

CAIDA AS-Relationships sees no upstream transit provider for this ASN — either a tier-1 carrier, a settlement-free routing arrangement, or an ASN that peers privately. Tier-1s like AS174, AS3356, AS6939 also show empty here.