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

719k

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

5,979

Valid Prefixes

628

NotFound

5,978

Announced (BGP)

6,606

RPKI Coverage

9.5%

Geographic Footprint

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

552,966

80,207

36,735

28,430

16,015

14,490

12,438

10,864

9,408

9,234

8,608

8,337

Top Open Ports

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

Port	Open IPs
80	47,764
443	38,734
22	22,733
2000	16,511
888	11,411
7547	10,751
60000	9,979
40000	9,779
9100	7,757
21	7,170
179	7,041
8888	6,145
8080	6,060
7777	5,946
5555	5,675

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.