AS57976
Blizzard Entertainment, Inc
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.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About Blizzard Entertainment
Blizzard Entertainment, Inc. is an American video game developer and publisher based in Irvine, California, and a subsidiary of Activision Blizzard.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS57976 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 5.42.164.0/22 | 9,160,580 | 2026-07-23 23:13:22 |
| 5.42.160.0/22 | 9,159,146 | 2026-07-23 23:13:22 |
| 103.198.32.0/24 | 32,703 | 2026-07-23 23:37:33 |
| 66.40.184.0/24 | 32,202 | 2026-07-23 23:37:33 |
| 24.105.31.0/24 | 31,918 | 2026-07-23 23:37:33 |
| 37.244.49.0/24 | 31,021 | 2026-07-13 06:46:19 |
| 37.244.39.0/24 | 30,916 | 2026-07-13 06:46:19 |
| 5.42.176.0/23 | 30,778 | 2026-07-23 23:13:18 |
| 5.42.168.0/22 | 30,621 | 2026-07-23 23:13:20 |
| 5.42.172.0/22 | 30,586 | 2026-07-23 23:13:20 |
| 37.244.16.0/24 | 30,349 | 2026-07-23 23:13:20 |
| 37.244.44.0/22 | 30,346 | 2026-07-23 23:13:20 |
| 37.244.14.0/24 | 30,338 | 2026-07-23 23:13:21 |
| 37.244.50.0/24 | 30,328 | 2026-07-23 23:13:21 |
| 37.244.9.0/24 | 30,308 | 2026-07-23 23:13:20 |
| 24.105.57.0/24 | 30,232 | 2026-07-23 23:13:20 |
| 24.105.53.0/24 | 30,224 | 2026-07-23 23:13:20 |
| 37.244.26.0/24 | 30,224 | 2026-07-23 23:13:20 |
| 24.105.56.0/24 | 30,214 | 2026-07-23 23:13:20 |
| 24.105.54.0/24 | 30,210 | 2026-07-23 23:13:18 |
| 66.40.191.0/24 | 30,194 | 2026-07-23 23:13:46 |
| 66.40.186.0/24 | 30,194 | 2026-07-23 23:13:46 |
| 37.244.8.0/24 | 30,191 | 2026-07-23 23:13:20 |
| 66.40.180.0/22 | 30,166 | 2026-07-23 23:13:46 |
| 37.244.33.0/24 | 30,166 | 2026-07-23 23:13:20 |
| 37.244.32.0/24 | 30,162 | 2026-07-23 23:13:20 |
| 37.244.28.0/24 | 30,160 | 2026-07-23 23:13:20 |
| 37.244.30.0/23 | 30,156 | 2026-07-23 23:13:20 |
| 37.244.29.0/24 | 30,155 | 2026-07-23 23:13:20 |
| 64.224.26.0/23 | 30,152 | 2026-07-23 23:13:46 |
| 37.244.60.0/22 | 30,149 | 2026-07-23 23:13:21 |
| 37.244.24.0/24 | 30,146 | 2026-07-23 23:13:20 |
| 37.244.54.0/24 | 30,145 | 2026-07-23 23:13:20 |
| 37.244.20.0/24 | 30,142 | 2026-07-23 23:13:20 |
| 37.244.58.0/23 | 30,136 | 2026-07-23 23:13:20 |
| 37.244.56.0/23 | 30,134 | 2026-07-23 23:13:20 |
| 158.115.219.0/24 | 30,130 | 2026-07-23 23:14:43 |
| 185.60.112.0/23 | 30,026 | 2026-07-23 23:14:43 |
| 137.221.64.0/24 | 29,187 | 2026-07-23 22:25:16 |
| 198.74.32.0/24 | 29,074 | 2026-07-23 22:25:16 |
| 37.244.0.0/24 | 29,067 | 2026-07-23 23:13:20 |
| 198.74.33.0/24 | 29,057 | 2026-07-23 22:25:16 |
| 198.74.36.0/24 | 28,987 | 2026-07-23 23:14:43 |
| 137.221.86.0/24 | 15,522 | 2026-07-23 22:30:29 |
| 103.4.115.0/24 | 15,047 | 2026-07-23 23:37:34 |
| 103.4.114.0/24 | 14,056 | 2026-07-23 23:37:34 |
| 202.9.66.0/23 | 13,313 | 2026-07-23 23:37:34 |
| 185.60.114.0/23 | 13,215 | 2026-07-23 23:37:34 |
| 103.198.33.0/24 | 13,109 | 2026-07-23 23:37:33 |
| 137.221.76.0/24 | 12,365 | 2026-07-23 23:13:47 |
Showing top 50 of 154 announced prefixes by sample volume.
Frequently Asked Questions
What is AS57976?
AS57976 is an Autonomous System Number assigned to Blizzard Entertainment, 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 AS57976 announce?
AS57976 announces 66.8K IPv4 addresses distributed across 62 routed CIDR prefixes. The network is registered in United States.
Who operates AS57976?
AS57976 is operated by Blizzard Entertainment, Inc. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS57976 registered in?
AS57976 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
