AS39790
MNT-WEB4U
Scanned 50m ago
🔄 Rescan

📋 Summary

IP address summary information
NameMNT-WEB4U
IPv4 addresses9.7K
IPv6 addresses~2^82
ASN typeTransit
RegistryRIPE NCC
AllocatedApr 25, 2006
UpdatedJul 22, 2026

📊 IP Ranges

IPv4: 5 | IPv6: 3
NetblockIP Count
81.91.80.0/21 2.0K
185.14.224.0/22 1.0K
2001:1568:8000::/33 0
185.14.224.0/23 512
2001:1568::/33 0
81.91.88.0/21 2.0K
2001:1568::/32 0
81.91.80.0/20 4.1K

Prefix data from RIPE Stat / RIR allocation records.

📄 WHOIS

RIPE NCC
HandleAS39790
NameWEB4U
OrganizationMNT-WEB4U
Statusactive
AllocatedApr 25, 2006
UpdatedJul 22, 2026

Contacts

RegistrantMNT-WEB4U
Abuse ContactWeb4U abuse <abuse@web4u.cz>
Admin ContactWEB4U network operations <abuse@web4u.cz>
Tech ContactWEB4U network operations <abuse@web4u.cz>
Phone+420270001456
AddressMahlerovy sady 1 13000 Praha 3 CZECH REPUBLIC

Source: RIPE NCC

🔗 Peers

9 peers for this ASN
ASNNameCountry
AS14840 BR.Digital Telecom -
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH -
AS22356 Durand do Brasil Ltda -
AS263444 Open X Tecnologia Ltda -
AS4455 BSO IX Reach Ltd -
AS47200 NIXCZ-RS NIX.CZ z.s.p.o. -
AS6204 ZET-NET INTERKVM HOST SRL -
AS6663 TTI-NET Euroweb Romania S.R.L. -
AS8218 NEO-ASN Zayo Infrastructure France SA -

Peer data from RIPE Stat ASN neighbours.

⬆️ Upstreams

3 upstreams
ASNName
AS199803 ComSource ComSource s.r.o.
AS25248 BlueTone-AS RADIOKOMUNIKACE a.s.
AS6939 Hurricane Electric LLC

Upstream data from RIPE Stat routing history.

⬇️ Downstreams

0 downstreams

No downstreams found.

🔒 RPKI / ROA

Source: rpki.zorn.ltd
PrefixOrigin ASNMax LengthValidity
81.91.80.0/21 AS39790 /21 ✓ Valid
185.14.224.0/22 AS39790 /23 ✓ Valid
185.14.224.0/23 AS39790 /23 ✓ Valid
81.91.88.0/21 AS39790 /21 ✓ Valid
81.91.80.0/20 AS39790 /21 ✓ Valid

RPKI validation powered by rpki.zorn.ltd (Routinator).

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