Home Prefix Lookup66.171.36.0/23

66.171.36.0/23 - Pathfinder Broadband (AS27602)

IPv4ARINallocatedAS27602PATHFINDER-ASN - Pathfinder Broadband RPKI Valid

CIDR

66.171.36.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇺🇸 United States

City

Glenwood Springs

RIR

ARIN

Status

allocated

Allocated

2026-06-17

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
66.171.36.0/23	AS27602 PATHFINDER-ASN - Pathfinder Broadband	Valid	ARIN	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
66.171.36.0/23	AS27602	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS27602	ARIN	MNT-PL-884	2026-06-25

Transfer History

Registry transfers of 66.171.36.0/23, blocks inside it, or blocks containing it.

66.171.36.0/23Transfer · 2026-06-18
DOJ-USMS
🇺🇸 US ARIN
→
Pathfinder Internet
🇺🇸 US ARIN
66.171.32.0/21M&A · 2024-05-08
Micfo, LLC.
🇺🇸 US ARIN
→
U.S. Marshals Service in accordance with the Final Order of Forfeiture
🇺🇸 US ARIN
66.171.32.0/21Transfer · 2016-02-12
Netstream Communications, LLC
🇺🇸 US ARIN
→
Micfo, LLC.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2026-06-18	66.171.36.0/23	DOJ-USMS 🇺🇸 US ARIN	Pathfinder Internet 🇺🇸 US ARIN	Transfer
2024-05-08	66.171.32.0/21	Micfo, LLC. 🇺🇸 US ARIN	U.S. Marshals Service in accordance with the Final Order of Forfeiture 🇺🇸 US ARIN	M&A
2016-02-12	66.171.32.0/21	Netstream Communications, LLC 🇺🇸 US ARIN	Micfo, LLC. 🇺🇸 US ARIN	Transfer

Origin ASN

AS27602

PATHFINDER-ASN - Pathfinder Broadband

Related Prefixes

More prefixes of AS27602

All prefixes of AS27602 →

Geolocation

Country🇺🇸United StatesUS

RegionColorado

CityGlenwood Springs

Coordinates39.5528, -107.3360 ↗

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/66.171.36.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/66.171.36.0/23" | jq

External Links

RIPEstat