AS199803 ComSource ComSource s.r.o.

ComSource ComSource s.r.o. · registered in Czechia

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

Rank in Czechia#261largest network in CZ by IPv4 space, of 570 · 0.02% of CZ

Rank worldwide#25,915of 79,396 networks with IPv4

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

CountryCzechia599 ASNs registered there

Open AS199803 in ASN lookup Look up an IP in this network (185.45.200.1) All networks in Czechia

IPv4 prefixes

All 2 prefixes, in address order.

185.45.200.0/22
185.138.108.0/23

IPv6 prefixes

All 1 prefix.

2a01:7fe0::/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