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.

551,863

80,146

36,669

28,383

15,989

14,462

12,425

10,846

9,397

9,228

8,586

8,316

Top Open Ports

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

Port	Open IPs
80	47,375
443	38,442
22	22,578
2000	16,363
888	11,318
7547	10,673
60000	9,908
40000	9,719
9100	7,696
21	7,121
179	6,999
8888	6,101
8080	6,012
7777	5,893
5555	5,632

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.