HomeASN LookupAS21437

AS21437

🇺🇦

AVITI-AS Aviti ltd.ORG-AVIT1-RIPE

Kharkov, Ukraine

RIPENCCallocated
Announced Prefixes (BGP)
10total
10 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)768
Announced (BGP)2,560
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Country
🇺🇦 UA
RIR
RIPENCC
Status
allocated
Allocated
12/10/2001

Announced Prefixes

(BGP)10
|
Prefix
RPKI
IRR
Last Seen
81.17.128.0/24
 Valid
RIPE
5/25/2026
81.17.131.0/24
 Valid
RIPE
5/25/2026
81.17.132.0/24
 Valid
RIPE
5/25/2026
81.17.133.0/24
 Valid
RIPE
5/25/2026
81.17.134.0/24
 Valid
RIPE
5/25/2026
81.17.135.0/24
 Valid
RIPE
5/25/2026
81.17.136.0/24
 Valid
RIPE
5/25/2026
81.17.138.0/24
 Valid
RIPE
5/25/2026
81.17.139.0/24
 Valid
RIPE
5/25/2026
193.104.133.0/24
 Valid—5/25/2026

Allocated Prefixes

(RIR)3
Prefix
Country
RIR
Status
81.17.128.0/24🇺🇦 UARIPEassigned
81.17.136.0/24🇺🇦 UARIPEassigned
193.104.133.0/24🇺🇦 UARIPENCCassigned

Downstream Customers(2)

ASNName
AS31187🇺🇦UKRTEKHSTROY-AS Ukrtechstroy Ltd
AS31598🇺🇦OPTIKNET-AS TOV "OPTIK.NET"
ASPA
No ASPA0 upstreams, 2 downstreams
Listed as Upstream Provider by
2 ASNs
View full ASPA details →
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/21437

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

curl -s "https://api.ipctl.io/v1/asn/21437" | jq