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Autonomous System

AS40551

Activision Publishing, Inc.

Announced IPs
3,072
CIDR prefixes
8
ASN
AS40551

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
  • Baseline (neutral) 65
  • Trust score 65 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

About this organization

Activision Publishing, Inc. is an American video game publisher based in Santa Monica, California.

Founded
1979
Headquarters
Santa Monica
Industry
video game industry
Parent
Activision Blizzard

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS40551 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.22.83.0/24 61,137 2026-11-15 03:05:51
209.249.12.0/24 44,207 2026-11-15 03:32:10
64.111.167.0/24 35,578 2026-11-15 03:01:15
64.111.162.0/24 35,463 2026-11-15 03:01:15
64.111.160.0/24 35,431 2026-11-15 03:01:15
64.111.164.0/24 23,696 2026-11-14 22:21:03
64.111.174.0/24 20,762 2026-11-15 01:54:55
64.111.170.0/24 19,576 2026-11-15 03:38:43
64.111.175.0/24 16,703 2026-11-15 03:03:59
185.22.82.0/24 15,585 2026-11-14 22:21:11
185.22.80.0/24 15,363 2026-11-14 22:21:11
185.22.81.0/24 15,279 2026-11-14 22:21:11

Frequently Asked Questions

What is AS40551?

AS40551 is an Autonomous System Number assigned to Activision Publishing, Inc.. 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 AS40551 announce?

AS40551 announces 3.1K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in United States.

Who operates AS40551?

AS40551 is operated by Activision Publishing, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS40551 registered in?

AS40551 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: 2026-11-15 03:54:05 UTC
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