Home Prefix Lookup169.128.12.0/22

169.128.12.0/22 - Cogent Communications (AS174)

IPv4ARINallocatedAS174COGENT-174 - Cogent Communications, LLC RPKI Valid

CIDR

169.128.12.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇺🇸 United States

City

Arlington

RIR

ARIN

Status

allocated

Allocated

2026-07-01

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
169.128.12.0/22	AS174 COGENT-174 - Cogent Communications, LLC	Valid	ARIN	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
169.128.12.0/22	AS174	/24	arin
169.128.12.0/22	AS3257	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3257	ARIN	MNT-ZUL-4	2026-09-05
AS174	ARIN	MNT-ZUL-4	2026-07-02

Transfer History

Registry transfers of 169.128.12.0/22, blocks inside it, or blocks containing it.

169.128.0.0/19M&A · 2015-12-08
Eveready Battery Company
🇺🇸 US ARIN
→
Enerigizer Brands LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2015-12-08	169.128.0.0/19	Eveready Battery Company 🇺🇸 US ARIN	Enerigizer Brands LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS174

COGENT-174 - Cogent Communications, LLC

Related Prefixes

More prefixes of AS174

All prefixes of AS174 →

Geolocation

Country🇺🇸United StatesUS

RegionVirginia

CityArlington

Coordinates38.8816, -77.0910 ↗

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/169.128.12.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/169.128.12.0/22" | jq

External Links

RIPEstat