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Autonomous System

AS11904

AcenTek

Announced IPs
19,456
CIDR prefixes
5
ASN
AS11904

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS11904:AS-ALL

Present at 1 internet exchange: DET-iX

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS11904 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
209.25.252.0/22 51,470 2026-09-14 04:00:14
209.25.244.0/22 49,351 2026-09-14 04:00:14
209.25.240.0/22 49,014 2026-09-14 04:00:14
24.204.184.0/22 48,997 2026-09-14 04:00:14
24.204.180.0/22 48,416 2026-09-14 04:00:14
104.192.148.0/22 46,038 2026-09-14 04:00:14
198.167.242.0/23 44,526 2026-09-14 04:00:14
198.167.246.0/23 41,378 2026-09-14 04:00:14
198.167.240.0/23 40,742 2026-09-14 04:00:14
198.167.240.0/22 39,154 2026-09-14 04:00:14
198.167.240.0/21 39,131 2026-09-14 04:00:14
107.155.176.0/22 39,110 2026-09-14 04:00:14
107.155.176.0/21 39,077 2026-09-14 04:00:14
24.204.168.0/22 39,035 2026-09-14 04:00:14
24.204.168.0/21 39,013 2026-09-14 04:00:14
24.204.188.0/22 38,947 2026-09-14 04:00:14
107.155.180.0/22 38,942 2026-09-14 04:00:14
209.25.248.0/22 38,941 2026-09-14 04:00:14
198.167.244.0/23 38,938 2026-09-14 04:00:14
24.204.172.0/22 38,918 2026-09-14 04:00:14
209.25.240.0/20 38,896 2026-09-14 04:00:14
24.204.176.0/22 38,863 2026-09-14 04:00:14
107.155.184.0/21 38,855 2026-09-14 04:00:14
209.25.248.0/21 38,843 2026-09-14 04:00:14
24.204.160.0/19 38,836 2026-09-14 04:00:14
24.204.164.0/22 38,836 2026-09-14 04:00:14
107.155.188.0/22 38,808 2026-09-14 04:00:14
24.204.160.0/20 38,801 2026-09-14 04:00:14
24.204.176.0/20 38,787 2026-09-14 04:00:14
209.25.240.0/21 38,773 2026-09-14 04:00:14
107.155.176.0/20 38,706 2026-09-14 04:00:14
107.155.184.0/22 38,703 2026-09-14 04:00:14

Frequently Asked Questions

What is AS11904?

AS11904 is an Autonomous System Number assigned to AcenTek. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS11904 announce?

AS11904 announces 19.5K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United States.

Who operates AS11904?

AS11904 is operated by AcenTek. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS11904 registered in?

AS11904 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-14 04:24:06 UTC
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