Home Prefix Lookup154.50.112.0/21

154.50.112.0/21 - Spanish Fork City (AS36223)

IPv4ARINannouncedAS36223SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork CityNo ROA

CIDR

154.50.112.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

SALT LAKE CITY

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
154.50.112.0/21	AS36223 SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork City	No ROA	ARIN	2026-10-11

Related Announcements

1 less-specific, 8 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
154.48.0.0/12	AS174 COGENT-174 - Cogent Communications, LLC	No ROA	-	2026-10-11
154.50.112.0/24	AS36223 SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork City	No ROA	-	2026-10-11
154.50.113.0/24	AS36223 SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork City	No ROA	-	2026-10-11
154.50.114.0/24	AS36223 SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork City	No ROA	-	2026-10-11
154.50.115.0/24	AS36223 SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork City	No ROA	-	2026-10-11
154.50.116.0/24	AS36223 SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork City	No ROA	-	2026-10-11
154.50.117.0/24	AS36223 SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork City	No ROA	-	2026-10-11
154.50.118.0/24	AS36223 SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork City	No ROA	-	2026-10-11
154.50.119.0/24	AS36223 SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork City	No ROA	-	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS36223	ARIN	MNT-SPANI	2026-07-09

Transfer History

Registry transfers of 154.50.112.0/21, blocks inside it, or blocks containing it.

154.50.0.0/16M&A · 2025-09-23
PSINet, Inc.
🇺🇸 US ARIN
→
Cogent Communications
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-09-23	154.50.0.0/16	PSINet, Inc. 🇺🇸 US ARIN	Cogent Communications 🇺🇸 US ARIN	M&A

Origin ASN

AS36223

SPANISHFORK-COMMUNITY-NETWORK - Spanish Fork City

Related Prefixes

Covering prefix

154.48.0.0/12AS174

More prefixes of AS36223

All prefixes of AS36223 →

Geolocation

Country🇺🇸United StatesUS

CitySALT LAKE CITY

Coordinates40.7608, -111.8910 ↗

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/154.50.112.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/154.50.112.0/21" | jq

External Links

RIPEstat