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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 34,462 2026-07-28 23:52:56
209.25.244.0/22 32,362 2026-07-28 23:53:01
209.25.240.0/22 32,003 2026-07-28 23:53:01
24.204.184.0/22 32,003 2026-07-28 23:53:01
24.204.180.0/22 31,514 2026-07-28 23:40:41
104.192.148.0/22 29,031 2026-07-28 23:40:41
198.167.242.0/23 27,510 2026-07-28 23:53:01
198.167.246.0/23 24,317 2026-07-28 23:52:41
198.167.240.0/23 23,763 2026-07-28 23:53:01
198.167.240.0/22 22,081 2026-07-28 23:53:01
198.167.240.0/21 22,046 2026-07-28 23:53:01
24.204.168.0/22 21,992 2026-07-28 23:52:39
209.25.240.0/20 21,974 2026-07-28 23:53:01
24.204.188.0/22 21,974 2026-07-28 23:40:41
198.167.244.0/23 21,944 2026-07-28 23:52:53
24.204.172.0/22 21,930 2026-07-28 23:52:56
107.155.176.0/21 21,912 2026-07-28 23:52:40
209.25.248.0/22 21,907 2026-07-28 23:52:43
24.204.168.0/21 21,905 2026-07-28 23:52:37
107.155.176.0/22 21,897 2026-07-28 23:52:37
107.155.180.0/22 21,878 2026-07-28 23:52:56
24.204.160.0/19 21,862 2026-07-28 23:53:01
24.204.176.0/22 21,856 2026-07-28 23:40:41
24.204.176.0/20 21,855 2026-07-28 23:40:41
24.204.160.0/20 21,845 2026-07-28 23:53:01
107.155.184.0/21 21,837 2026-07-28 23:40:41
209.25.240.0/21 21,834 2026-07-28 23:53:01
107.155.188.0/22 21,832 2026-07-28 23:40:41
24.204.164.0/22 21,828 2026-07-28 23:53:01
209.25.248.0/21 21,812 2026-07-28 23:52:35
107.155.184.0/22 21,728 2026-07-28 23:40:41
107.155.176.0/20 21,672 2026-07-28 23:52:42

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: 2026-07-28 23:55:31 UTC
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