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

6,151

IPv6 Prefixes

454

Hosted Domains

712k

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

11,959

Valid Prefixes

627

NotFound

5,978

Announced (BGP)

6,605

RPKI Coverage

9.5%

Geographic Footprint

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

548,528

79,888

36,425

28,228

15,903

14,360

12,375

10,783

9,341

9,192

8,527

8,263

Top Open Ports

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

Port	Open IPs
80	45,931
443	37,359
22	21,959
2000	15,852
888	10,956
7547	10,368
60000	9,651
40000	9,495
9100	7,430
21	6,905
179	6,794
8888	5,897
8080	5,820
7777	5,716
5555	5,433

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.