Check-Host.cc

Autonomous System

AS174 · Cogent Communications, Inc.

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

Announced IPs
38.47M
IPv4
IPv4 Prefixes
6,152
IPv6 Prefixes
454
Hosted Domains
728k
resolve into this AS
Peers
109
Customers
6,730

AS Profile

AS Name
Cogent Communications, Inc.
AS Type
NSP
Scope
Global
Traffic
100+Tbps
RIR
ARIN
Country
US
Allocated
1996-05-16

RPKI Validity

Total ROAs
7,473
Valid Prefixes
629
NotFound
5,977
Announced (BGP)
6,606
RPKI Coverage
9.5%

Geographic Footprint

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

US
560,013
HK
80,767
CA
37,230
FR
28,711
GB
16,208
BR
14,733
JP
12,550
PE
10,997
AR
9,530
NL
9,307
DE
8,709
MX
8,464

Top Open Ports

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

Port Open IPs
80 44,653
443 36,428
22 21,003
2000 15,539
888 10,808
7547 10,101
60000 8,812
40000 8,644
9100 7,326
21 6,702
179 6,626
8888 5,726
8080 5,716
7777 5,620
5555 5,287

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.