HomeASN LookupAS39790

AS39790

🇨🇿

WEB4U Web4U s.r.o.ORG-WS296-RIPE

RIPENCCallocatedASPA Published
Announced Prefixes (BGP)
8total
5 IPv43 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)7,232
Announced (BGP)9,728
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)1.5×10^29
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
10
Country
🇨🇿 CZ
RIR
RIPENCC
Status
allocated
Allocated
4/25/2006

Announced Prefixes

(BGP)8
|
Prefix
RPKI
IRR
Last Seen
81.91.80.0/20
 Valid
RIPE
5/24/2026
81.91.80.0/21
 Valid
RIPE
5/24/2026
81.91.88.0/21
 Valid
RIPE
5/24/2026
185.14.224.0/22
 Valid
RIPE
5/24/2026
185.14.224.0/23
 Valid
RIPE
5/24/2026
2001:1568::/32
 Valid
RIPE
5/24/2026
2001:1568::/33
 Valid
RIPE
5/24/2026
2001:1568:8000::/33
 Valid
RIPE
5/24/2026

Allocated Prefixes

(RIR)11
Prefix
Country
RIR
Status
81.91.80.0/20🇨🇿 CZRIPENCCallocated
81.91.80.0/26🇨🇿 CZRIPEassigned
81.91.81.0/24🇨🇿 CZRIPEassigned
81.91.82.0/24🇨🇿 CZRIPEassigned
81.91.83.0/24🇨🇿 CZRIPEassigned
81.91.84.0/24🇨🇿 CZRIPEassigned
81.91.85.0/24🇨🇿 CZRIPEassigned
81.91.86.0/23🇨🇿 CZRIPEassigned
81.91.90.0/24🇨🇿 CZRIPEassigned
185.14.224.0/22🇨🇿 CZRIPENCCallocated
1–10 of 11
1 / 2

Upstream Providers(2)

ASNName
AS25248🇨🇿BlueTone-AS RADIOKOMUNIKACE a.s.
AS199803🇨🇿ComSource ComSource s.r.o.
ASPA
Published2 upstreams, 0 downstreams
Authorized Upstream Providers
AS25248AS199803
Expires May 31, 2026
View full ASPA details →
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/39790

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/39790" | jq