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

716k

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

8,969

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.

550,814

80,051

36,589

28,337

15,969

14,434

12,406

10,833

9,381

9,208

8,571

8,303

Top Open Ports

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

Port	Open IPs
80	46,911
443	38,087
22	22,370
2000	16,202
888	11,197
7547	10,575
60000	9,811
40000	9,644
9100	7,605
21	7,058
179	6,933
8888	6,036
8080	5,948
7777	5,835
5555	5,568

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.