HomeASN LookupAS51800

AS51800

🇨🇿

FIBERNET-ASN FIBER Network s.r.o.ORG-FNs4-RIPE

RIPENCCallocated
Announced Prefixes (BGP)
2total
1 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)7,168
Announced (BGP)2,048
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇨🇿 CZ
RIR
RIPENCC
Status
allocated
Allocated
11/5/2010

Announced Prefixes

(BGP)2
|
Prefix
RPKI
IRR
Last Seen
217.28.80.0/21
 Valid
RIPE
5/30/2026
2a02:28a8::/32
 Valid
RIPE
5/30/2026

Allocated Prefixes

(RIR)4
Prefix
Country
RIR
Status
185.153.80.0/22🇨🇿 CZRIPENCCallocated
217.28.80.0/20🇨🇿 CZRIPENCCallocated
217.28.80.0/21🇨🇿 CZRIPEassigned
2a02:28a8::/32🇨🇿 CZRIPENCCallocated
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/51800

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

curl -s "https://api.ipctl.io/v1/asn/51800" | jq