172.87.208.0/20

🇺🇸

CIDR

172.87.208.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇺🇸 United States

City

Boulder (Lower Chautauqua)

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
172.87.208.0/20	AS26658HENGTONG-IDC-LLC - HT	Valid	ARINRADB	6/1/2026

Prefix	Origin	Max Length	Trust Anchor
172.87.208.0/20	AS26658	/24	arin

Origin	Registry	Maintainer	Modified
AS26658	ARIN	MNT-HIL-48	5/14/2025
AS26658	RADB	MAINT-AS26658	5/14/2025

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionColorado

CityBoulder (Lower Chautauqua)

API

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

curl -s "https://api.ipctl.io/v1/prefix/172.87.208.0/20" | jq

External Links