Autonomous system
AS57976 BLIZZARD
Hosting RIPE
Summary
Blizzard Entertainment
gaming content
Blizzard Entertainment (BLIZZARD) — the game studio behind World of Warcraft, Overwatch, Diablo, and the Battle.net platform.
What it's used for
- Battle.net service traffic and game connectivity for Blizzard titles.
Notable
- First-party gaming infrastructure; an IP here is typically a game client talking to Battle.net.
- Blizzard is part of Activision Blizzard, which Microsoft acquired in 2023.
Interesting
- Blizzard game launches and patch days are classic examples of massive, synchronized download and login surges.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 54 exchanges in 18 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.195.26 |
| LINX LON1 | London, United Kingdom | 195.66.226.234 |
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.208.83 |
| Neutral Internet Exchange | Amsterdam, Netherlands | 193.239.117.120 |
| France-IX Paris | Paris, France | 37.49.236.53 |
| MSK-IX Moscow | Moscow, Russia | 195.208.208.18 |
| Milan Internet Exchange | Milan, Italy | 217.29.66.217 |
| Equinix Internet Exchange Ashburn | Ashburn, United States | 206.126.237.174 |
Transit providers
85 upstream, 1 downstream and 128 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-10, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 66 prefixes · 59.65K addresses IPv6 31 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 97 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS57976- Registry name
- BLIZZARD
- Registrant
- MNT-BLIZZARD
- Abuse contact
- peering@blizzard.com
- Registered
- 2012-03-23
- Last changed
- 2018-09-04
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 95% valid · 167 valid, 9 with no ROA
- ROAs
- 27 authorising AS57976
- ASPA
- no ASPA record
- IRR
- 95% registered · 167 of 176 announcements
- Route objects
- 220 naming AS57976
Reputation
Classification and threat
Hosting Datacenter or cloud provider. Addresses are servers, not people.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 431 networks and 1,775 prefixes, as published 2026-10-11. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere