Autonomous System

AS174 · Cogent Communications, Inc.

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

bgp.tools RIPEstat

Announced IPs

38.47M

IPv4

IPv4 Prefixes

6,152

IPv6 Prefixes

454

Hosted Domains

729k

resolve into this AS

Peers

109

Customers

6,730

AS Profile

AS Name

Cogent Communications, Inc.

AS Type

NSP

Scope

Global

Traffic

100+Tbps

Website

http://www.cogentco.com/

RIR

ARIN

Country

Allocated

1996-05-16

RPKI Validity

Total ROAs

10,459

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.

560,867

80,862

37,312

28,745

16,230

14,757

12,563

11,016

9,540

9,319

8,724

8,473

Top Open Ports

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

Port	Open IPs
80	45,044
443	36,729
22	21,171
2000	15,670
888	10,907
7547	10,184
60000	8,884
40000	8,692
9100	7,392
21	6,771
179	6,692
8888	5,789
8080	5,764
7777	5,671
5555	5,325

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.