Check-Host.cc

Autonomous System

AS28606 · FSOnline Internet

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

Announced IPs
10,752
IPv4
IPv4 Prefixes
8
IPv6 Prefixes
1
Hosted Domains
9
resolve into this AS
Peers
23
Customers

AS Profile

AS Name
FSOnline Internet
Also known as
FSOnline
AS Type
Cable/DSL/ISP
Scope
Regional
IRR AS-SET
AS28606:AS-ALL
RIR
LACNIC
Country
BR
Allocated
2005-08-10

RPKI Validity

Total ROAs
20
Valid Prefixes
NotFound
Announced (BGP)
9
RPKI Coverage

Top Open Ports

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

Port Open IPs
80 4
443 3
2000 2
135 1
445 1
554 1
808 1
8090 1
27019 1
37777 1
64738 1

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.