AS50490 EM-Fiberbredbaand-AS Sinal A/S

EM-Fiberbredbaand-AS Sinal A/S · registered in Denmark

IPv4 addresses1,5362 prefixes · <0.001% of announced IPv4

Rank in Denmark#116largest network in DK by IPv4 space, of 327 · 0.01% of DK

Rank worldwide#25,822of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryDenmark344 ASNs registered there

Open AS50490 in ASN lookup Look up an IP in this network (178.21.90.1) All networks in Denmark

IPv4 prefixes

All 2 prefixes, in address order.

178.21.90.0/23
178.21.92.0/22

IPv6 prefixes

All 1 prefix.

2a00:1f9f::/32

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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