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World of Warcraft - Starcraft - Heroes of the Storm - Hearthstone - Diablo - Overwatch - Battle.net logo

AS57976

World of Warcraft - Starcraft - Heroes of the Storm - Hearthstone - Diablo - Overwatch - Battle.net

United States (US)

ASN Information

AS NumberAS57976
AS NameBLIZZARD
OrganizationBLIZZARD Blizzard Entertainment, Inc
Also known asWorld of Warcraft - Starcraft - Heroes of the Storm - Hearthstone - Diablo - Overwatch - Battle.net
CountryUnited States (US)
RegistryRIPE NCC
ASN TypeContent
Last Seen
Announcement Count183
IPv4 Prefix Count152
IPv6 Prefix Count31
RPKI StatusValid ×49Unknown (could not be determined) ×1
IRR RecordsView IRR route objects
Websitehttp://www.blizzard.com ↗

AS Path to AS57976

  1. 37271Workonline Communications(Pty) Ltd - Workonline Communications(Pty) Ltd
  2. 57976Origin

Most common path, seen 20× in route collector data, latest at a collector in Johannesburg (2026-10-18 08:35:57 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 14 peer session(s)São Paulo: 17 peer session(s)Johannesburg: 19 peer session(s)Singapore: 23 peer session(s)Amsterdam: 25 peer session(s)London: 34 peer session(s)Eugene, OR: 57 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (183)

View All →
PrefixFamilyRPKILast Seen
5.42.160.0/22IPv4ValidNot looked up yet
5.42.164.0/22IPv4ValidNot looked up yet
5.42.168.0/22IPv4ValidNot looked up yet
5.42.172.0/22IPv4ValidNot looked up yet
5.42.176.0/23IPv4ValidNot looked up yet
5.42.178.0/23IPv4ValidNot looked up yet
24.105.0.0/22IPv4ValidNot looked up yet
24.105.16.0/23IPv4ValidNot looked up yet

Peers (232)

View All →
ASNameRelationshipPathsLast Seen
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)122
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)103
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.Upstream (inferred)54
AS37468Angola Cables - Angola CablesUpstream (inferred)29
AS9002RETN-AS RETN LimitedUpstream (inferred)26
AS30844LIQUID-AS Liquid Telecommunications LtdUpstream (inferred)25
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)20
AS37271Workonline Communications(Pty) Ltd - Workonline Communications(Pty) LtdUpstream (inferred)20

Neighbours seen next to AS57976 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (64)

View all 65 ports →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
AMS-IXAmsterdam, NL80.249.208.832001:7f8:1::a505:7976:1200GYes
Any2WestLos Angeles and Silicon Valley, US206.72.211.2472001:504:13::211:247100GYes
BBIX TokyoTokyo, JP101.203.89.892001:de8:c::5:7976:110GYes
CIX-ATLAtlanta, US206.71.12.332001:504:40:12::1:33100GYes
DE-CIX ChicagoChicago, US149.112.11.322001:504:102::e278:0:110GYes
DE-CIX DallasDallas, US206.53.202.432001:504:61::e278:0:110GYes
DE-CIX DusseldorfDüsseldorf, DE185.1.170.1122001:7f8:9e::e278:0:110GYes
DE-CIX FrankfurtFrankfurt, DE80.81.195.262001:7f8::e278:0:1200GYes
DE-CIX HamburgHamburg, DE185.1.210.1232001:7f8:3d::e278:0:110GYes
DE-CIX MadridMadrid, ES185.1.192.1352001:7f8:a0::e278:0:1100GYes
DE-CIX MunichMunich, DE185.1.208.1222001:7f8:44::e278:0:110GYes
DE-CIX New YorkNew York, US206.82.104.1922001:504:36::e278:0:1100GYes
ERA-IX AmsterdamAmsterdam, NL185.1.240.412001:7f8:12a::4110GYes
ESpanix Madrid Lower LANMadrid, ES193.149.1.112001:7f8:f::115100GYes
EdgeIX - SydneySydney, AU202.77.88.182001:df0:680:5::12100GYes

IX ports registered by AS57976 (self-reported by the network).

Interconnection Facilities (23)

View all →
FacilityCityCountry
Equinix SY4 - SydneySydneyAustralia
Equinix TR2 - TorontoTorontoCanada
Equinix FR5 - Frankfurt, KleyerStrasseFrankfurtGermany
Equinix MD2 - MadridAlcobendasSpain
Equinix PA4 - Paris, PantinParisFrance
Equinix LD5 - London, SloughSloughUnited Kingdom
Equinix ML2 - Milan, SavonaMilanItaly
Equinix TY2 - TokyoTokyoJapan
Equinix AM3 - Amsterdam, Science ParkAmsterdamNetherlands
Equinix SK1 - Stockholm, BrommaStockholmSweden
Equinix DC1-DC15,DC21-DC22 - AshburnAshburnUnited States
Equinix AT1 - AtlantaAtlantaUnited States
Equinix CH1/CH2/CH4 - ChicagoChicagoUnited States
Equinix DA6 - DallasDallasUnited States
Centersquare Los Angeles (LAX3)IrvineUnited States

Data centres where AS57976 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETRADB::AS-BLIZZARD
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
TrafficNot available
Traffic ratioMostly Outbound
Geographic scopeGlobal
Max prefixes (IPv4 / IPv6)250 / 50
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS57976.

Only contacts the network has chosen to publish are shown.

Upstreams (165)

View all →
ASNameRelationshipPathsLast Seen
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)122
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)103
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.Upstream (inferred)54
AS37468Angola Cables - Angola CablesUpstream (inferred)29
AS9002RETN-AS RETN LimitedUpstream (inferred)26
AS30844LIQUID-AS Liquid Telecommunications LtdUpstream (inferred)25
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)20
AS37271Workonline Communications(Pty) Ltd - Workonline Communications(Pty) LtdUpstream (inferred)20
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)20
AS49544i3Dnet i3D.net B.VUpstream (inferred)17
AS3320DTAG Deutsche Telekom AGUpstream (inferred)16
AS35280F5 F5 Networks SARLUpstream (inferred)16

Downstreams (1)

ASNameRelationshipPathsLast Seen
AS40551—Downstream (inferred)Inferred—

Registry and network details

Registered holderBLIZZARD Blizzard Entertainment, Inc
RegisteredYes
Peering policyOpen
IRR AS-setRADB::AS-BLIZZARD
Registry record last modified
MaintainersRIPE-NCC-END-MNT, MNT-BLIZZARD
Internet exchanges64
Facilities23
Network profile updated

Data updated . See limitations.