AS51597 FASTTELECOM-AS Fasttelekom Ltd.

FASTTELECOM-AS Fasttelekom Ltd. · registered in Ukraine

IPv4 addresses3,0724 prefixes · <0.001% of announced IPv4

Rank in Ukraine#264largest network in UA by IPv4 space, of 1,527 · 0.04% of UA

Rank worldwide#18,504of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUkraine1,564 ASNs registered there

Open AS51597 in ASN lookup Look up an IP in this network (91.219.80.1) All networks in Ukraine

IPv4 prefixes

All 4 prefixes, in address order.

91.219.80.0/22
176.116.192.0/22
176.116.196.0/23
176.116.198.0/23

IPv6 prefixes

All 1 prefix.

2001:678:318::/48

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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