Home Prefix Lookup40.223.121.0/24

40.223.121.0/24 - OCULUS NETWORKS (AS398781)

IPv4ARINannouncedAS398781OSL-188 - OCULUS NETWORKS INC RPKI Valid

CIDR

40.223.121.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

New York

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
40.223.121.0/24	AS398781 OSL-188 - OCULUS NETWORKS INC	Valid	ARINOther IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
40.223.121.0/24	AS398781	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS398781	ARIN	MNT-DCL-577	2026-03-09
AS398781	Other IRR	MAINT-AS834	2026-03-13

Transfer History

Registry transfers of 40.223.121.0/24, blocks inside it, or blocks containing it.

40.223.0.0/16M&A · 2025-05-29
Eli Lilly and Company
🇺🇸 US ARIN
→
Eli Lilly and Company
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-05-29	40.223.0.0/16	Eli Lilly and Company 🇺🇸 US ARIN	Eli Lilly and Company 🇺🇸 US ARIN	M&A

Origin ASN

AS398781

OSL-188 - OCULUS NETWORKS INC

Related Prefixes

More prefixes of AS398781

All prefixes of AS398781 →

Geolocation

Country🇺🇸United StatesUS

RegionNew York

CityNew York

Coordinates40.7128, -74.0060 ↗

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/40.223.121.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/40.223.121.0/24" | jq

External Links

RIPEstat