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
1,376

Top Open Ports

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

Port Open IPs
80 90
443 74
22 52
2701 44
7000 28
5000 14
17500 13
8080 11
8443 8
4443 7
49153 7
111 7
5357 6
2049 6
7070 5