Home Prefix Lookup74.221.143.0/24

74.221.143.0/24 - Amazon (AS8987)

IPv4ARINannouncedAS8987GOVCLOUD - Amazon RPKI Valid

CIDR

74.221.143.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Columbus

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
74.221.143.0/24	AS8987 GOVCLOUD - Amazon	Valid	ARINOther IRR	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
74.221.143.0/24	AS8987	/24	arin
74.221.128.0/20	AS14618	/24	arin
74.221.128.0/20	AS16509	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS8987	ARIN	MNT-PAN-22	2025-08-28
AS8987	Other IRR	MAINT-AS16509	2025-09-11

Transfer History

Registry transfers of 74.221.143.0/24, blocks inside it, or blocks containing it.

74.221.128.0/20Transfer · 2018-12-20
Cyclone Systems Inc.
🇨🇦 CA ARIN
→
Palo Alto Networks, Inc
🇺🇸 US ARIN
74.221.128.0/20M&A · 2018-10-29
Metrobridge Networks USA Corporation
🇨🇦 CA ARIN
→
Cyclone Systems Inc.
🇨🇦 CA ARIN

Date	Resource	From	To	Type
2018-12-20	74.221.128.0/20	Cyclone Systems Inc. 🇨🇦 CA ARIN	Palo Alto Networks, Inc 🇺🇸 US ARIN	Transfer
2018-10-29	74.221.128.0/20	Metrobridge Networks USA Corporation 🇨🇦 CA ARIN	Cyclone Systems Inc. 🇨🇦 CA ARIN	M&A

Origin ASN

AS8987

GOVCLOUD - Amazon

Related Prefixes

More prefixes of AS8987

All prefixes of AS8987 →

Geolocation

Country🇺🇸United StatesUS

RegionOhio

CityColumbus

Coordinates39.9612, -82.9988 ↗

Abuse Contact

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/74.221.143.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/74.221.143.0/24" | jq

External Links

RIPEstat