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

718k

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.

552,034

80,151

36,683

28,395

15,996

14,467

12,428

10,850

9,398

9,228

8,589

8,320

Top Open Ports

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

Port	Open IPs
80	47,449
443	38,498
22	22,614
2000	16,387
888	11,333
7547	10,690
60000	9,922
40000	9,730
9100	7,705
21	7,129
179	7,006
8888	6,107
8080	6,022
7777	5,903
5555	5,638

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.