HomeASN LookupAS15721

AS15721

🇱🇻

CTCO C.T.CO. Ltd.ORG-CL2-RIPE

Riga, Latvia

RIPENCCallocated
Announced Prefixes (BGP)
3total
3 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)4,096
Announced (BGP)4,096
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇱🇻 LV
RIR
RIPENCC
Status
allocated
Allocated
9/27/2000

Announced Prefixes

(BGP)3
|
Prefix
RPKI
IRR
Last Seen
217.21.168.0/21
 Valid
RIPE
5/25/2026
217.21.168.0/22
 Valid
RIPE
5/25/2026
217.21.172.0/22
 Valid
RIPE
5/25/2026

Allocated Prefixes

(RIR)1
Prefix
Country
RIR
Status
217.21.160.0/20🇱🇻 LVRIPENCCallocated
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/15721

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

curl -s "https://api.ipctl.io/v1/asn/15721" | jq