AS57976 — BLIZZARD

Network type: hosting

AS57976 announces 58 IPv4 prefixes covering 62,976 addresses and 8 IPv6 prefixes.

About this network

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.

Announced prefixes

• 5.42.160.0/20
• 5.42.176.0/22
• 24.105.0.0/22
• 24.105.16.0/22
• 24.105.25.0/24
• 24.105.27.0/24
• 24.105.28.0/22
• 24.105.32.0/20
• 24.105.50.0/23
• 24.105.52.0/22
• 24.105.56.0/23
• 24.105.59.0/24
• 24.105.60.0/22
• 37.244.0.0/24
• 37.244.2.0/23
• 37.244.4.0/22
• 37.244.8.0/23
• 37.244.10.0/24
• 37.244.13.0/24
• 37.244.14.0/23
• 37.244.16.0/23
• 37.244.19.0/24
• 37.244.20.0/24
• 37.244.23.0/24
• 37.244.24.0/21
• 37.244.32.0/22
• 37.244.36.0/23
• 37.244.38.0/24
• 37.244.40.0/21
• 37.244.50.0/24
• 37.244.52.0/22
• 37.244.60.0/22
• 59.153.40.0/22
• 64.224.0.0/21
• 64.224.24.0/21
• 66.40.176.0/20
• 103.4.114.0/23
• 103.198.32.0/23
• 117.52.6.0/24
• 117.52.26.0/23
• 117.52.28.0/23
• 117.52.33.0/24
• 117.52.34.0/23
• 117.52.36.0/23
• 121.254.137.0/24
• 121.254.206.0/23
• 121.254.218.0/24
• 137.221.64.0/19
• 137.221.104.0/21
• 137.221.112.0/24
• 150.116.9.0/24
• 158.115.192.0/20
• 158.115.216.0/21
• 182.162.31.0/24
• 185.60.112.0/22
• 198.74.32.0/22
• 198.74.36.0/23
• 202.9.66.0/23
• 2a04:e800:5010::/47
• 2a04:e800:5014::/48
• 2a04:e800:5016::/48
• 2a04:e800:5020::/48
• 2a04:e800:5023::/48
• 2a04:e800:5040::/48
• 2a04:e800:5407::/48
• 2a04:e802::/32

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS3786 LG DACOM Corporation
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS4637 Telstra Global
• AS17408 AboveNet Communications Taiwan
• AS9002 RETN Limited
• AS7018 AT&T Enterprises, LLC
• AS24482 SG.GS
• AS1403 EBOX
• AS22652 Videotron Ltee
• AS17639 Converge ICT Solutions Inc.
• AS50304 Blix Solutions AS
• AS57463 NetIX Communications JSC
• AS2152 CENIC
• AS33891 Core-Backbone GmbH
• AS5511 Orange S.A.
• AS37721 Virtual Technologies & Solutions
• AS34549 meerfarbig GmbH & Co. KG
• AS34927 iFog GmbH
• AS38001 NewMedia Express Pte Ltd
• AS50628 Leonix Telecom SAS
• AS37100 SEACOM Limited
• AS12552 GlobalConnect AB

Downstream networks

• AS40551 Activision Publishing, Inc.

Adjacent networks

• AS1299 Arelion Sweden AB
• AS3356 Level 3 Parent, LLC
• AS6939 Hurricane Electric LLC
• AS3786 LG DACOM Corporation
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS4637 Telstra Global
• AS17408 AboveNet Communications Taiwan
• AS9002 RETN Limited
• AS40551 Activision Publishing, Inc.
• AS7018 AT&T Enterprises, LLC
• AS24482 SG.GS
• AS1403 EBOX
• AS22652 Videotron Ltee
• AS17639 Converge ICT Solutions Inc.
• AS50304 Blix Solutions AS
• AS57463 NetIX Communications JSC
• AS2152 CENIC
• AS33891 Core-Backbone GmbH
• AS5511 Orange S.A.
• AS37721 Virtual Technologies & Solutions
• AS34549 meerfarbig GmbH & Co. KG
• AS34927 iFog GmbH
• AS38001 NewMedia Express Pte Ltd
• AS50628 Leonix Telecom SAS
• AS37100 SEACOM Limited

Internet exchanges

• DE-CIX Frankfurt — Frankfurt, Germany
• LINX LON1 — London, United Kingdom
• AMS-IX Amsterdam — Amsterdam, Netherlands
• Neutral Internet Exchange — Amsterdam, Netherlands
• France-IX Paris — Paris, France
• MSK-IX Moscow — Moscow, Russia
• Milan Internet Exchange — Milan, Italy
• Equinix Internet Exchange Ashburn — Ashburn, United States
• BroadBand Internet eXchange Tokyo — Tokyo, Japan
• Seattle Internet Exchange — Seattle, United States
• Coresite - Any2 West — Los Angeles, United States
• Any2 California — Los Angeles, United States
• London Network Access Point — London, United Kingdom
• JPIX Tokyo — Tokyo, Japan
• Toronto Internet Exchange — Toronto, Canada
• DE-CIX New York — New York, United States
• Equinix Internet Exchange Chicago — Chicago, United States
• Singapore Internet Exchange — Singapore, Singapore
• NetIX — Sofia, Bulgaria
• Equinix Internet Exchange Sydney — Sydney, Australia
• Equinix Internet Exchange Paris — Paris, France
• Equinix Internet Exchange Dallas — Dallas, United States
• DE-CIX Madrid — Madrid, Spain
• DE-CIX Dusseldorf — Düsseldorf, Germany
• New York International Internet Exchange — New York, United States
• DE-CIX Munich — Munich, Germany
• Peering.cz — Prague, Czech Republic
• ERA-IX Amsterdam — Amsterdam, Netherlands
• IX Australia (Sydney NSW) — Sydney, Australia
• DE-CIX Hamburg — Hamburg, Germany
• Equinix Internet Exchange San Jose (Bay Area) — San Jose, United States
• Taipei Internet Exchange (TPIX) — Taipei, Taiwan
• FL-IX - The Florida Internet Exchange / Community IX - Florida — Miami, United States
• Equinix Internet Exchange Miami — Miami, United States
• ESpanix Madrid Lower LAN — Madrid, Spain
• DE-CIX Dallas — Dallas, United States
• Edge Internet Exchange - Sydney — Sydney, Australia
• InterLAN-IX — Bucharest, Romania
• Equinix Internet Exchange Tokyo — Tokyo, Japan
• Torino Piemonte Exchange Point — Torino, Italy
• Equinix Internet Exchange New York — New York, United States
• Internet Neutral Exchange Association CLG - LAN1 — Dublin, Ireland
• Megaport Frankfurt IX — Frankfurt, Germany
• San Francisco Metropolitan Internet Exchange — San Francisco, United States
• STHIX - Stockholm — Stockholm, Sweden
• Stockholm Internet Exchange — Stockholm, Sweden
• DE-CIX Chicago — Chicago, United States
• Equinix Internet Exchange Los Angeles — Los Angeles, United States
• Equinix Internet Exchange Palo Alto — Palo Alto, United States
• Equinix Los Angeles IBX — Los Angeles, United States
• Equinix Internet Exchange Seattle — Seattle, United States
• Netnod Sundsvall- Gävle — Sundsvall, Sweden
• Equinix Internet Exchange Toronto — Toronto, Canada
• Equinix-LA(former Paix) — Los Angeles, United States