Autonomous Systems Database
Last update: 02 February 2026Get access to our Autonomous System databases in Excel CSV format below. Download our databases of autonomous systems (ASN) including names, descriptions, owner organizations and networks announced. They contain over a million networks in more than 100,000 autonomous systems.
Two Comprehensive Databases
We offer two ASN databases: one containing autonomous system details with owner information, and another with network prefixes announced by each ASN.
Purchase & Update Prices
When you first purchase a database, the purchase price applies. If you later buy an update and check out with the same user account, the update price will apply.
AS Information - File Contents Preview
This database contains autonomous system details with owner information:
asn
The Autonomous System Number (e.g., 15169).
as_name
The name identifier of the Autonomous System.
description
Description of the organization operating the ASN.
country_code
Two-letter ISO country code (e.g., US, GB, DE).
country_name
Full name of the country where the ASN is registered.
Below is a preview of a few sample lines from the AS Information database:
| # | asn | as_name | description | country_code | country_name |
|---|---|---|---|---|---|
| 1 | 15169 | Google LLC | US | United States | |
| 2 | 16509 | AMAZON-02 | Amazon.com, Inc. | US | United States |
| 3 | 8075 | MICROSOFT-CORP | Microsoft Corporation | US | United States |
| 4 | 32934 | Meta Platforms, Inc. | US | United States | |
| 5 | 13335 | CLOUDFLARENET | Cloudflare, Inc. | US | United States |
| 6 | 714 | APPLE-ENGINEERING | Apple Inc. | US | United States |
| 7 | 20940 | AKAMAI-ASN1 | Akamai International B.V. | NL | Netherlands |
| 8 | 3356 | LEVEL3 | Lumen Technologies | US | United States |
| 9 | 2914 | NTT-COMMUNICATIONS | NTT America, Inc. | US | United States |
| 10 | 6830 | LGI-UPC | Liberty Global B.V. | NL | Netherlands |
Dataset Details - AS Information
Version
2026.02
Format
Comma-Separated Values (CSV)
ASNs
115,490
CSV size
8 Mb (decompressed)
Purchase price
$20
Update price
$10
ASN Prefixes - File Contents Preview
This database contains network prefixes announced by each Autonomous System:
asn
The Autonomous System Number announcing the prefix.
description
Description of the organization operating the ASN.
ip_start
The first IP address of the announced prefix.
ip_end
The last IP address of the announced prefix.
Below is a preview of a few sample lines from the ASN Prefixes database:
| # | asn | description | ip_start | ip_end |
|---|---|---|---|---|
| 1 | 15169 | Google LLC | 8.8.4.0 | 8.8.4.255 |
| 2 | 15169 | Google LLC | 8.8.8.0 | 8.8.8.255 |
| 3 | 15169 | Google LLC | 34.0.0.0 | 34.127.255.255 |
| 4 | 16509 | Amazon.com, Inc. | 3.0.0.0 | 3.127.255.255 |
| 5 | 16509 | Amazon.com, Inc. | 52.0.0.0 | 52.63.255.255 |
| 6 | 8075 | Microsoft Corporation | 13.64.0.0 | 13.107.255.255 |
| 7 | 8075 | Microsoft Corporation | 20.0.0.0 | 20.63.255.255 |
| 8 | 32934 | Meta Platforms, Inc. | 31.13.64.0 | 31.13.127.255 |
| 9 | 13335 | Cloudflare, Inc. | 104.16.0.0 | 104.31.255.255 |
| 10 | 714 | Apple Inc. | 17.0.0.0 | 17.255.255.255 |
Dataset Details - ASN Prefixes
Version
2026.02
Format
Comma-Separated Values (CSV)
IPv4 networks
1,073,678
IPv6 networks
247,559
IPv4 CSV size
93 Mb (decompressed)
IPv6 CSV size
28 Mb (decompressed)
Purchase price
$40
Update price
$20
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