AS198605 AVAST-AS-DC AVAST Software s.r.o.

AVAST-AS-DC AVAST Software s.r.o. · registered in Czechia

IPv4 addresses5,63215 prefixes · <0.001% of announced IPv4

Rank in Czechia#100largest network in CZ by IPv4 space, of 570 · 0.07% of CZ

Rank worldwide#12,819of 79,396 networks with IPv4

IPv61,033 x /485 prefixes

CountryCzechia599 ASNs registered there

Open AS198605 in ASN lookup Look up an IP in this network (5.45.58.1) All networks in Czechia

IPv4 prefixes

All 15 prefixes, in address order.

5.45.58.0/23
5.62.36.0/23
5.62.54.0/24
5.62.60.0/23
37.156.187.0/24
69.94.64.0/24
69.94.70.0/23
69.94.74.0/23
77.234.40.0/24
91.213.143.0/24
166.98.8.0/24
166.98.10.0/23
185.189.92.0/24
185.189.94.0/23
195.74.76.0/24

IPv6 prefixes

All 5 prefixes.

2001:67c:284::/48
2a0b:e181::/40
2a0b:e181:108::/45
2a0b:e181:400::/39
2a0b:e181:600::/40

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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