AS57544 ZFORT-AS Zfort LLC

ZFORT-AS Zfort LLC · registered in Ukraine

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Ukraine#900largest network in UA by IPv4 space, of 1,527 · <0.01% of UA

Rank worldwide#52,699of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUkraine1,564 ASNs registered there

Open AS57544 in ASN lookup Look up an IP in this network (91.232.178.1) All networks in Ukraine

IPv4 prefixes

All 1 prefix, in address order.

91.232.178.0/23

Similar-sized networks in Ukraine

ASNNameIPv4 addresses

AS57285#897 UkrInfoSystems-AS LIMITED LIABILITY COMPANY "UKRAINIAN INFOSYSTEMS"512

AS57493#898 Interlink-AS PE Nikishkin Aleksandr Volodymyrovich512

AS57519#899 Bukovel LTD Bukovel512

AS57582#901 ASAIRNET AirNet Ltd.512

AS57599#902 ISP-ONLINE-AS Private Enterprise On Line512

AS57682#903 HVDS-AS TOV HOST VDS512

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