Country
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ASN LANDING PAGE
AS57976
BLIZZARD - Blizzard Entertainment, Inc
Last updated · Apr 4, 2026
Total prefixes
184
IPv4 prefixes
154
IPv6 prefixes
30
ASN summary
How to read the scale of AS57976
BLIZZARD - Blizzard Entertainment, Inc currently shows 184 prefixes and 41 upstream, downstream, or peer relationships. Larger prefix inventories often indicate broader network footprint, but they should still be read together with country and peering context.
When is an ASN page most useful?
ASN landing pages are more useful than a single IP page when you want cloud provider attribution, routing research, infrastructure comparison, or network topology analysis at the organization level.
How should you read the country, organization, and role of AS57976?
BLIZZARD - Blizzard Entertainment, Inc is currently associated with an unknown region. Country data is only a starting point; the more important signals are the organization name, website, prefix volume, and peering relationships that reveal whether the network behaves like a cloud platform, ISP, CDN, or enterprise backbone.
What should you inspect next after the AS57976 page?
This page is currently showing live ASN data that can be used for peer, prefix, and network scale analysis. The most useful next step is usually to return to a related IP landing page, then compare that concrete address with this ASN profile and with broader topic pages for routing, cloud attribution, or WHOIS ownership analysis.
Search intents this ASN page helps cover
AS57976 ASN lookupAS57976 BGPAS57976 peersAS57976 prefixesAS57976 upstreamsBLIZZARD - Blizzard Entertainment, Inc ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS4637
AS4637
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AS17408
AS17408
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AS6762
AS6762
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AS3786
AS3786
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AS1299
AS1299
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AS3356
AS3356
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AS6939
AS6939
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AS7018
AS7018
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AS9002
AS9002
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AS5511
AS5511
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AS12956
AS12956
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AS3320
AS3320
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AS6461
AS6461
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AS13030
AS13030
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AS5405
AS5405
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AS8220
AS8220
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AS6830
AS6830
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AS33891
AS33891
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AS10133
AS10133
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AS23764
AS23764
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AS25091
AS25091
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AS35280
AS35280
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AS37468
AS37468
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AS8218
AS8218
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AS20764
AS20764
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AS137409
AS137409
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AS4230
AS4230
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AS8966
AS8966
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AS1221
AS1221
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AS8758
AS8758
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AS20485
AS20485
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AS30781
AS30781
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AS34927
AS34927
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AS35625
AS35625
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AS50304
AS50304
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AS51088
AS51088
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AS8359
AS8359
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AS15412
AS15412
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AS34549
AS34549
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AS1257
AS1257
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 103.198.32.0/24 | AS57976 | — |
| 103.198.33.0/24 | AS57976 | — |
| 103.4.114.0/24 | AS57976 | — |
| 103.4.115.0/24 | AS57976 | — |
| 110.45.208.0/24 | AS57976 | — |
| 117.52.26.0/23 | AS57976 | — |
| 117.52.28.0/23 | AS57976 | — |
| 117.52.33.0/24 | AS57976 | — |
| 117.52.34.0/23 | AS57976 | — |
| 117.52.36.0/23 | AS57976 | — |
| 117.52.6.0/24 | AS57976 | — |
| 121.254.137.0/24 | AS57976 | — |
| 121.254.206.0/23 | AS57976 | — |
| 121.254.218.0/24 | AS57976 | — |
| 137.221.100.0/22 | AS57976 | — |
| 137.221.104.0/22 | AS57976 | — |
| 137.221.108.0/24 | AS57976 | — |
| 137.221.109.0/24 | AS57976 | — |
| 137.221.110.0/24 | AS57976 | — |
| 137.221.111.0/24 | AS57976 | — |
| 137.221.112.0/24 | AS57976 | — |
| 137.221.64.0/19 | AS57976 | — |
| 137.221.64.0/24 | AS57976 | — |
| 137.221.68.0/24 | AS57976 | — |
| 137.221.69.0/24 | AS57976 | — |
| 137.221.70.0/24 | AS57976 | — |
| 137.221.72.0/24 | AS57976 | — |
| 137.221.73.0/24 | AS57976 | — |
| 137.221.74.0/24 | AS57976 | — |
| 137.221.75.0/24 | AS57976 | — |
| 137.221.76.0/24 | AS57976 | — |
| 137.221.77.0/24 | AS57976 | — |
| 137.221.78.0/24 | AS57976 | — |
| 137.221.79.0/24 | AS57976 | — |
| 137.221.80.0/24 | AS57976 | — |
| 137.221.81.0/24 | AS57976 | — |
| 137.221.82.0/24 | AS57976 | — |
| 137.221.84.0/24 | AS57976 | — |
| 137.221.85.0/24 | AS57976 | — |
| 137.221.86.0/24 | AS57976 | — |
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Related lookups and next steps
WHOIS vs ASN Ownership Guide
Continue from this ASN into the differences between WHOIS ownership and ASN ownership.
Routing Troubleshooting and Network Analysis
Continue from this ASN into route troubleshooting and network analysis.
Cloud Network and ASN Comparison
Useful when you want to compare this ASN against larger cloud and edge networks.
WHOIS and IP Ownership Guide
Continue from the ASN page into WHOIS and ownership verification.
Frequently asked questions about this ASN page
What does AS57976 represent?
AS57976 is an autonomous system number used to identify an independently operated network. The current page associates it with BLIZZARD - Blizzard Entertainment, Inc in an unknown region, which helps determine whether it behaves like a cloud provider, ISP, CDN, or enterprise backbone.
What are peers, upstreams, and prefixes useful for on the AS57976 page?
They help explain the scale, interconnection depth, and route structure of AS57976. Richer peering and upstream data often indicate broader network reach, but they should still be interpreted together with prefixes and related IP landing pages.
What should you do after reviewing AS57976?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS57976, then continue into cloud, WHOIS, or routing topic pages to understand the network in a broader context.
Related topics
WHOIS vs ASN Ownership Guide
Understand why WHOIS ownership and ASN ownership can differ, and how to combine both when deciding who really owns or operates an IP.
WHOIS and IP Ownership Guide
Use WHOIS, ASN, prefixes, and organization data to determine who ultimately owns an IP, range, or resolved domain target.
BGP and ASN Basics Guide
Learn what ASN, BGP routes, prefixes, upstreams, downstreams, and peers mean, then explore real ASN pages.
Cloud Network and ASN Comparison
Compare large cloud and edge networks such as Google, Cloudflare, Microsoft, and Amazon through their ASN landing pages.