Check-Host.cc

Autonomous System

AS14 · Columbia University

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

Announced IPs
209k
IPv4
IPv4 Prefixes
11
IPv6 Prefixes
1
Hosted Domains
252
resolve into this AS
Peers
Customers

AS Profile

AS Name
Columbia University
AS Type
Scope
Not Disclosed
RIR
ARIN
Country
US
Allocated
0000-00-00

RPKI Validity

Total ROAs
Valid Prefixes
NotFound
12
Announced (BGP)
12
RPKI Coverage
0%

Geographic Footprint

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

US
1,552

Top Open Ports

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

Port Open IPs
80 129
443 102
22 85
2701 71
7000 36
17500 23
5000 21
8080 18
111 16
8443 12
4000 9
4443 9
49153 9
5357 9
7100 8