ASN lookup: AS3257

    An ASN lookup shows information about an Autonomous System, including the organization name, country and announced network prefixes.

    About AS3257

    AS3257 is an autonomous system number: a globally unique identifier for a network that runs its own routing policy on the public internet.

    AS3257 belongs to the original 16-bit ASN space (1–65535) and is written 0.3257 in asdot+ notation.

    PipeIP recorded the registry handle GTT-BACKBONE and the organization GTT Communications Inc. for AS3257 on 2026-08-20.

    Which address blocks AS3257 announces through BGP changes over time, so prefix data is fetched live below rather than stored on this page.

    Other networks documented on PipeIP:

    AS3320AS3356AS6762AS6830AS6939
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    Live lookup data

    ASN

    AS3257

    Organization

    GTT-BACKBONE GTT Communications Inc.

    Announced prefixes

    1855

    Example prefixes

    194.158.10.0/24173.205.34.0/2466.93.85.0/2466.171.224.0/20212.56.52.0/24195.180.14.0/23192.83.254.0/23207.97.136.0/24143.14.127.0/24212.212.0.0/16

    AS3257 is an Autonomous System operated by GTT-BACKBONE GTT Communications Inc.. This page provides an overview of its 1855 announced IP ranges, network details, and routing information. Use this lookup to understand ownership and infrastructure behind AS3257.

    Related lookups

    194.158.10.1173.205.34.166.93.85.166.171.224.1212.56.52.1195.180.14.1192.83.254.1207.97.136.1

    Related concepts

    ASNBGPRoutingPeeringTransit

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