Skip to content

Search by AS number, IP, prefix, domain or organisation

Prefix

187.21.0.0/16

Routing

Announcement

Announced by: AS28573 Claro NXT Telecomunicacoes Ltda
Network type: Residential
Covering announcement: 187.21.0.0/16
Country: 🇧🇷 Brazil

asn.dev is an explorer for autonomous systems: address space, network context, observed peering topology, and a full dossier on any address.

v0.7.0 · built 2026-08-09T12:09:45Z

built by cmunroe.us