Check-Host.cc

Autonomous System

AS26 · Cornell

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

Announced IPs
197k
IPv4
IPv4 Prefixes
6
IPv6 Prefixes
1
Hosted Domains
479
resolve into this AS
Peers
Customers

AS Profile

AS Name
Cornell
AS Type
Educational/Research
Scope
Regional
IRR AS-SET
AS26:AS-ALL
RIR
ARIN
Country
US
Allocated
1984-08-10

RPKI Validity

Total ROAs
4
Valid Prefixes
1
NotFound
6
Announced (BGP)
7
RPKI Coverage
14.3%

Geographic Footprint

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

US
539

Top Open Ports

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

Port Open IPs
2000 101
5060 79
22 35
443 24
80 18
53 2
8080 2
7070 2
21 2
9443 1
8000 1
5555 1
5001 1
5003 1
636 1