HomeASN LookupAS399551

AS399551

🇺🇸

MILLENNIUM-SYSTEMS-INC - Millennium Systems, Inc.e96fe2d2431e4bf020ca8a0d207193a2

ARINassigned
Announced Prefixes (BGP)
2total
1 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)256
Announced (BGP)256
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
4/13/2021

Announced Prefixes

(BGP)2
|
Prefix
RPKI
IRR
Last Seen
23.191.112.0/24
No ROA
RADB
5/26/2026
2606:4ec0::/32
No ROA
RADB
5/26/2026

Allocated Prefixes

(RIR)2
Prefix
Country
RIR
Status
23.191.112.0/24🇺🇸 USARINallocated
2606:4ec0::/32🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/399551

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

curl -s "https://api.ipctl.io/v1/asn/399551" | jq