129.19.136.0/24

🇺🇸

CIDR

129.19.136.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Durango

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
129.19.136.0/24	AS54393FLC-DURANGO - Fort Lewis College	Valid	RADB	5/30/2026

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
129.19.0.0/16	AS14041AS-FRGP - University Corporation for Atmospheric Research	Valid	—	5/30/2026
129.19.128.0/20	AS54393FLC-DURANGO - Fort Lewis College	Valid	—	5/30/2026

Prefix	Origin	Max Length	Trust Anchor
129.19.128.0/20	AS6653	/20	arin
129.19.128.0/20	AS54393	/24	arin
129.19.0.0/16	AS14041	/16	arin

Origin	Registry	Maintainer	Modified
AS54393	RADB	MAINT-AS6653	12/29/2025

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionColorado

CityDurango

API

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

curl -s "https://api.ipctl.io/v1/prefix/129.19.136.0/24" | jq

External Links