Home Prefix Lookup147.153.0.0/17

147.153.0.0/17 - Metropolitan (AS402584)

IPv4ARINannouncedAS402584MSUDENVER - Metropolitan RPKI Valid

CIDR

147.153.0.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇺🇸 United States

City

Denver

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
147.153.0.0/17	AS402584 MSUDENVER - Metropolitan	Valid	ARINOther IRR	2026-10-15

Covering Prefix

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
147.153.0.0/16	AS14041 AS-FRGP - University Corporation for Atmospheric Research	Invalid	-	2026-10-15
147.153.0.0/16	AS402584 MSUDENVER - Metropolitan	Valid	-	2026-10-15

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
147.153.0.0/17	AS402584	/17	arin
147.153.0.0/16	AS402584	/16	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS402584	ARIN	MNT-MSCD-Z	2026-10-05
AS402584	Other IRR	MAINT-AS14041	2026-10-08

Origin ASN

AS402584

MSUDENVER - Metropolitan

Related Prefixes

Covering prefix

147.153.0.0/16AS14041

More prefixes of AS402584

147.153.128.0/18

All prefixes of AS402584 →

Geolocation

Country🇺🇸United StatesUS

RegionColorado

CityDenver

Coordinates39.7392, -104.9900 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/147.153.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/147.153.0.0/17" | jq

External Links

RIPEstat