HomeASN LookupAS37891

AS37891

JTIS - JR TOKAI Information Systems Company

Announced Prefixes (BGP)
8total
8 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)2,048
Announced (BGP)3,840
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Allocated
—

Announced Prefixes

(BGP)8
|
Prefix
RPKI
IRR
Last Seen
58.147.160.0/21
No ROA—5/25/2026
58.147.162.0/24
No ROA—5/25/2026
58.147.163.0/24
No ROA—5/25/2026
58.147.165.0/24
No ROA—5/25/2026
58.147.166.0/24
No ROA—5/25/2026
58.147.167.0/24
No ROA—5/25/2026
192.218.65.0/24
No ROA—5/25/2026
192.218.66.0/24
No ROA—5/25/2026

Allocated Prefixes

(RIR)1
Prefix
Country
RIR
Status
58.147.160.0/21🇯🇵 JPAPNICallocated
ASPA
No ASPA
External Links
Hurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/37891

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

curl -s "https://api.ipctl.io/v1/asn/37891" | jq