HomeASN LookupAS210728

AS210728

🇳🇱

CYSO-AS-DE Cyso Group B.V.ORG-CGB5-RIPE

CYSO-AMS

RIPENCCallocated
Announced Prefixes (BGP)
4total
3 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)768
Announced (BGP)768
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇳🇱 NL
RIR
RIPENCC
Status
allocated
Allocated
9/22/2021

Announced Prefixes

(BGP)4
|
Prefix
RPKI
IRR
Last Seen
77.246.243.0/24
 Valid
RIPE
5/26/2026
194.26.103.0/24
 Valid
RIPE
5/26/2026
213.173.39.0/24
 Valid
RIPE
5/26/2026
2a11:2440::/32
 Valid
RIPE
5/26/2026

Allocated Prefixes

(RIR)4
Prefix
Country
RIR
Status
77.246.243.0/24🇳🇱 NLRIPENCCallocated
194.26.103.0/24🇳🇱 NLRIPENCCallocated
213.173.39.0/24🇳🇱 NLRIPENCCallocated
2a11:2440::/32🇳🇱 NLRIPENCCallocated
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/210728

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

curl -s "https://api.ipctl.io/v1/asn/210728" | jq