AS201697 SEMAPHOR-AS Tobias Fonsmark trading as Semaphor

SEMAPHOR-AS Tobias Fonsmark trading as Semaphor · registered in Denmark

IPv4 addresses1,2802 prefixes · <0.001% of announced IPv4

Rank in Denmark#125largest network in DK by IPv4 space, of 327 · 0.01% of DK

Rank worldwide#27,504of 79,396 networks with IPv4

IPv68 x /32 (524,289 x /48)2 prefixes

CountryDenmark344 ASNs registered there

Open AS201697 in ASN lookup Look up an IP in this network (45.156.8.1) All networks in Denmark

IPv4 prefixes

All 2 prefixes, in address order.

45.156.8.0/22
195.190.25.0/24

IPv6 prefixes

All 2 prefixes.

2001:678:72c::/48
2a10:b1c0::/29

Similar-sized networks in Denmark

ASNNameIPv4 addresses

AS201595#122 mono mono solutions ApS1,536

AS209125#123 asn-kobenhavnkommune Kobenhavn Kommune1,536

AS211892#124 WAVEACCESS-NORDICS WaveAccess Nordics ApS1,280

AS24853#126 DBC-AS DBC DIGITAL A/S1,280

AS51377#127 COMASYS CoMaSys ApS1,280

AS204575#128 ITCN_DK TECHCOLLEGE S/I1,280

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