HomeASN LookupAS43542

AS43542

🇨🇿

OptoNet-AS OptoNet Communication, spol. s.r.o.ORG-OCLS3-RIPE

RIPENCCallocated
Announced Prefixes (BGP)
2total
1 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)9,216
Announced (BGP)8,192
IPv6 Addresses ⓘ
Allocated (RIR)6.3×10^29
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇨🇿 CZ
RIR
RIPENCC
Status
allocated
Allocated
8/20/2007

Announced Prefixes

(BGP)2
|
Prefix
RPKI
IRR
Last Seen
78.156.128.0/19
 Valid
RIPE
5/25/2026
2a00:d940::/32
 Valid
RIPE
5/25/2026

Allocated Prefixes

(RIR)3
Prefix
Country
RIR
Status
78.156.128.0/19🇨🇿 CZRIPENCCallocated
185.85.92.0/22🇨🇿 CZRIPENCCallocated
2a00:d940::/29🇨🇿 CZRIPENCCallocated
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/43542

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

curl -s "https://api.ipctl.io/v1/asn/43542" | jq