Check-Host.cc

Autonomous System

AS5661 · USF

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

Announced IPs
65,536
IPv4
IPv4 Prefixes
1
IPv6 Prefixes
1
Hosted Domains
192
resolve into this AS
Peers
1
Customers

AS Profile

AS Name
USF
AS Type
Educational/Research
Scope
Not Disclosed
Traffic
10-20Gbps
RIR
ARIN
Country
US
Allocated
1995-07-23

RPKI Validity

Total ROAs
22
Valid Prefixes
NotFound
Announced (BGP)
2
RPKI Coverage

Geographic Footprint

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

US
225

Top Open Ports

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

Port Open IPs
80 24
443 20
22 6
179 6
2049 5
53 5
5357 3
21 3
8080 2
646 2
5000 2
5985 1
7001 1
49152 1
7000 1