Networks (ASN) directory
Every public IP is announced by an autonomous system. The ASN tells you whether a visitor is on a home broadband line, a cloud server, a CDN edge or a VPN provider's rented rack — often more useful than the geolocation itself.
Content, CDN & cloud
AS15169 US
Google LLC
Content / cloud
Google's primary network: Search, YouTube, Gmail, Google Public DNS and most Google Cloud services announce from AS15…
AS396982 US
Google Cloud Platform
Cloud hosting
The autonomous system used for Google Cloud customer workloads (Compute Engine, GKE, Cloud Run egress).
AS13335 US
Cloudflare, Inc.
CDN / reverse proxy / DNS
Cloudflare's anycast network: CDN edge, WAF, 1.1.1.1 DNS, WARP VPN and Workers. Roughly a fifth of all websites sit b…
AS16509 US
Amazon.com, Inc. (AWS)
Cloud hosting
Amazon Web Services — EC2, Lambda, CloudFront and every other AWS service. The single largest source of datacenter IP…
AS8075 US
Microsoft Corporation (Azure)
Cloud hosting / services
Microsoft's global network for Azure, Office 365, Xbox Live, Bing and Outlook.com.
AS32934 US
Meta Platforms (Facebook)
Content
Facebook, Instagram, WhatsApp and Messenger infrastructure, including the facebookexternalhit link-preview crawler.
AS14061 US
DigitalOcean, LLC
Cloud hosting (VPS)
Popular developer-focused VPS provider. Droplets are cheap and quick to spin up, so AS14061 is a common source of scr…
AS63949 US
Akamai Connected Cloud (Linode)
Cloud hosting (VPS)
Linode, acquired by Akamai in 2022 and rebranded Akamai Connected Cloud. Long-running VPS provider with a developer a…
AS20940 US
Akamai Technologies
CDN
The oldest and one of the largest content delivery networks, serving software updates (Apple, Microsoft, Sony), strea…
AS45090 CN
Tencent Cloud
Cloud hosting
Tencent's public cloud (Shenzhen), hosting WeChat backend services and third-party workloads across China and Asia-Pa…
AS37963 CN
Alibaba Cloud (Aliyun)
Cloud hosting
Alibaba's cloud platform — the largest in China and Asia-Pacific. AS37963 covers mainland regions; AS45102 covers int…
Hosting & VPN infrastructure
AS16276 FR
OVH SAS
Hosting
Europe's largest hosting provider (Roubaix, France), with data centres in France, Canada, the UK, Germany, Poland, Si…
AS24940 DE
Hetzner Online GmbH
Hosting
German hosting provider known for low-cost dedicated servers and cloud VMs in Falkenstein, Nuremberg, Helsinki, Ashbu…
AS9009 RO
M247 Europe SRL
Hosting / VPN infrastructure
A hosting provider whose network is heavily used by commercial VPN services (NordVPN, ExpressVPN, Private Internet Ac…
AS212238 GB
Datacamp Limited (CDN77 / VPN hosting)
Hosting / VPN infrastructure
UK company behind CDN77 and a large fleet of servers leased to VPN providers such as NordVPN and Surfshark.
Residential ISPs & carriers
AS3356 US
Lumen Technologies (Level 3)
Tier 1 backbone
Formerly Level 3 Communications: one of the largest Tier 1 internet backbones, carrying traffic between other network…
AS1299 SE
Arelion (formerly Telia Carrier)
Tier 1 backbone
Swedish Tier 1 carrier, consistently ranked the number-one backbone by peering reach. Rebranded from Telia Carrier in…
AS6939 US
Hurricane Electric
Backbone / IPv6 tunnel broker
Fremont-based backbone famous for its free IPv6 tunnel broker (tunnelbroker.net) and huge peering footprint.
AS7922 US
Comcast Cable (Xfinity)
Residential ISP
The largest residential broadband provider in the United States. AS7922 addresses are overwhelmingly real households …
AS7018 US
AT&T Services
Residential / mobile ISP
AT&T's core network covering fibre, DSL and much of its mobile traffic. One of the largest US consumer ASNs.
AS3320 DE
Deutsche Telekom AG
Residential ISP / carrier
Germany's incumbent telecom operator and largest ISP (Telekom / T-Online), also a major European backbone.
AS4134 CN
China Telecom (Chinanet)
Residential ISP / carrier
China Telecom's backbone, one of the two largest Chinese networks alongside China Unicom (AS4837). Hundreds of millio…
AS1221 AU
Telstra Corporation
Residential / mobile ISP
Australia's largest telecommunications provider (Telstra / BigPond), covering fixed NBN services and the Telstra mobi…
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curl https://www.ipaddressdetails.com/api/v1/ip/1.1.1.1Notable addresses
Profiles of the individual IPs everyone runs into — public DNS resolvers, router logins and reserved ranges — in the notable IP directory.