Targeting · glossary

ASN targeting

An autonomous system number (ASN) identifies a network operator on the internet: an ISP, a carrier, a hosting company. ASN targeting restricts the exit IP to addresses announced by one operator, for example Comcast (AS7922) or Deutsche Telekom (AS3320). It is used when a target treats providers differently, when an audience must be sampled by ISP, or when a mobile carrier must be chosen.

1 min read Also called ISP targeting, autonomous system number, -asn- parameter Updated

United States proxies All terms

Syntax#

Any Comcast household in the United States, over SOCKS5
socks5h://USER-cc-us-asn-7922:PASS@res.proxy-cyber.com:9001

Finding AS numbers#

Public routing databases (RIPE, ARIN, bgp.tools, PeeringDB) map an ISP name to its numbers; large ISPs run several. Country pages on this site list the main consumer ASNs for the biggest markets. The number alone is enough; the country parameter keeps the pool consistent.

ASN on mobile#

On mobile networks the ASN is the carrier. Targeting it is how you make sure an exit is on Vodafone rather than on O2 when a platform or an app behaves differently per operator.

How it works at Proxy Cyber#

Proxy Cyber supports -asn- on the residential gateway in every country and as the carrier selector on the mobile gateway; 13 country pages list their major provider numbers.

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