23.157.172.0/24

🇺🇸

IPv4ARINallocatedAS400958SYNIAC - Syniac RPKI Valid

CIDR

23.157.172.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

RIR

ARIN

Status

allocated

Allocated

4/30/2026

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
23.157.172.0/24	AS400958SYNIAC - Syniac	Valid	ARIN	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
23.157.172.0/24	AS400958	/24	arin

Origin	Registry	Maintainer	Modified
AS400958	ARIN	MNT-AS-3989	5/2/2026

Origin ASN

Geolocation

Country🇺🇸United StatesUS

API

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/23.157.172.0/24" | jq

External Links