Autonomous System

AS8251 FreeTel, s.r.o.

ISPActiveCzechiaRIPE

AS8251 (NFX_ZSPO) is an ISP network operated by FreeTel, s.r.o. in Czechia, registered with RIPE. It has 6 IPv4 prefixes with 17,408 addresses and 1 IPv6 prefix, which makes it the 7,404th largest of 82,141 active autonomous systems by IPv4 space.

IPv4 addresses17,408in 6 prefixes

IPv6 prefixes1≈ 7.9 × 10²⁸ addresses

Size rank#7,404of 82,141 active ASNs

Abuser scoreElevated2.56% of its addresses flagged · method

Details

OrganizationFreeTel, s.r.o.

AS nameNFX_ZSPO

Websitenfx.cz

Country Czechia (CZ)

Network typeISP

RegistryRIPE

Abuse contactabuse@nfx.cz

Registered2006-07-17

Last updated2021-07-09

IPv4 prefixes

6 prefixes · 17,408 addresses

Network	Addresses	First – last address
31.47.96.0/20	4,096	31.47.96.0 – 31.47.111.255
78.108.96.0/20	4,096	78.108.96.0 – 78.108.111.255
212.79.96.0/20	4,096	212.79.96.0 – 212.79.111.255
81.201.48.0/21	2,048	81.201.48.0 – 81.201.55.255
81.201.56.0/21	2,048	81.201.56.0 – 81.201.63.255
185.99.64.0/22	1,024	185.99.64.0 – 185.99.67.255

31.47.96.0/20
78.108.96.0/20
212.79.96.0/20
81.201.48.0/21
81.201.56.0/21
185.99.64.0/22

IPv6 prefixes

1 prefix

2a01:490::/32

2a01:490::/32

Query AS8251 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.

curl "https://api.ipapi.is/?q=AS8251&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS8251, with or without a key:

curl "https://api.ipapi.is/?q=31.47.96.1"

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