AS198153 DCSTD-SEIDOR ALTYONA TOPCO S.A.

DCSTD-SEIDOR ALTYONA TOPCO S.A. · registered in Spain

IPv4 addresses3,0722 prefixes · <0.001% of announced IPv4

Rank in Spain#270largest network in ES by IPv4 space, of 926 · <0.01% of ES

Rank worldwide#18,964of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySpain954 ASNs registered there

Open AS198153 in ASN lookup Look up an IP in this network (79.98.64.1) All networks in Spain

IPv4 prefixes

All 2 prefixes, in address order.

79.98.64.0/21
185.197.0.0/22

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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