142.254.208.0/20

🇺🇸

CIDR

142.254.208.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇺🇸 United States

City

Greenwood Village

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
142.254.208.0/20	AS11351TWC-11351-NORTHEAST - Charter Communications Inc	Valid	—	6/15/2026

Prefix	Origin	Max Length	Trust Anchor
142.254.208.0/20	AS11351	/20	arin
142.254.128.0/17	AS0	/17	arin

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionColorado

CityGreenwood Village

API

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

curl -s "https://api.ipctl.io/v1/prefix/142.254.208.0/20" | jq

External Links