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

717k

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

11,953

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.

551,603

80,116

36,651

28,370

15,983

14,454

12,420

10,845

9,394

9,223

8,582

8,316

Top Open Ports

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

Port	Open IPs
80	47,282
443	38,341
22	22,522
2000	16,326
888	11,287
7547	10,653
60000	9,890
40000	9,702
9100	7,676
21	7,102
179	6,977
8888	6,087
8080	6,001
7777	5,883
5555	5,621

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.