ASN Info API

Introduction

Returns detailed information about an Autonomous System (AS) when provided with an AS number. The information includes registration, IPv4 address space announcements and ranking.

Unprecedented Update Rate

  • BGP data: updated every 2 hours
  • Registry data: updated at least once a day

Example Response

The response is only available in JSON format. The below response should be expected for the following request:


https://api.bigdatacloud.net/data/asn-info


Awaiting request submission...

API Pricing

  1. Monthly Subscription
    FREE 10,000 queries/month
    Additional 10,000 queries US$1.00/month
  2. Annual Subscription
    FREE 10,000 queries/month
    Additional 10,000 queries US$0.80/month

Request Format

NEW! Payload compression is supported, simply add Accept-Encoding: gzip header.
Use the form below to try out this API.

Parameter Your Input Value Description
asn Autonomous System Number as numeric or ASN format (e.g. 123 or AS123 or ASN123)
localityLanguage

Preferred language for locality names in ISO 639-1 format, such as 'en' for English, 'es' for Spanish etc. Please note: 147 common world languages are supported, full list here, but not all languages are available for every location. If requested language is not available for a requested location it will default to English, if no English is available, the native, local names will be provided
key Your API key

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The live query

https://api.bigdatacloud.net/data/asn-info


CURL Example

curl -X GET --header 'Accept: application/json' 'https://api.bigdatacloud.net/data/asn-info'


Visit our SDK page to access API clients in specific languages like Javascript, Python + PHP.


Response

Awaiting request submission...

Response Format

Field

Data type

Description

asn

string

Autonomous System Number string

asnNumeric

32 bit unsigned integer

Autonomous System Number

organisation

string

Registered Organisation

name

string

Registered name

registry

string

The Regional Internet Registry (RIR) the AS is registered with

registeredCountry

string

Registered Country ISO 3166-1 Alpha-2 code

registeredCountryName

string

Registered Country name localised to the language is as defined by ‘localityLanguage’ request parameter

registrationDate

string

Registration date in “yyyy-mm-dd” format

registrationLastChange

string

Registration modification date in “yyyy-mm-dd” format

totalIpv4Addresses

32 bit unsigned integer

Total number of IP addresses announced by the AS

totalIpv4Prefixes

32 bit unsigned integer

Total number of BGP prefixes announced by the AS

totalIpv4BogonPrefixes

32 bit unsigned integer

Total number of bogon prefixes announced by the AS

rank

32 bit unsigned integer

World rank by total number of IP addresses announced

rankText

string

World rank by total number of IP addresses announced including total

API Endpoint

Endpoint: /data/asn-info
Full URL: https://api.bigdatacloud.net/data/asn-info

Related APIs

  1. ASN Extended Info API
    FREE 10,000 queries/month
    Additional 10,000 queries
    US$1.00
    /month

    Returns extended information about an Autonomous System (AS).

    • Registration data
    • IPv4 prefixes announced
    • IPv4 addresses announced
    • IPv4 ranking
    • Connectivity data
    • Most active operational area geolocated
    Read More

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