AS204563 TRT-MAD NexTReT S.L.

TRT-MAD NexTReT S.L. · registered in Spain

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Spain#736largest network in ES by IPv4 space, of 926 · <0.01% of ES

Rank worldwide#56,586of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySpain954 ASNs registered there

Open AS204563 in ASN lookup Look up an IP in this network (185.61.82.1) All networks in Spain

IPv4 prefixes

All 1 prefix, in address order.

185.61.82.0/23

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AS204884#739 FUNDACION-PARQUE-UVA Fundacion Universidad de Valladolid512

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources