Home Prefix Lookup40.39.0.0/17

40.39.0.0/17 - Amazon (AS8987)

IPv4ARINannouncedAS8987GOVCLOUD - Amazon RPKI Valid

CIDR

40.39.0.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇺🇸 United States

City

Portland

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
40.39.0.0/17	AS8987 GOVCLOUD - Amazon	Valid	Other IRR	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
40.39.0.0/16	AS8987 GOVCLOUD - Amazon	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
40.39.0.0/17	AS8987	/17	arin
40.39.0.0/17	AS16509	/17	arin
40.39.0.0/16	AS8987	/16	arin
40.39.0.0/16	AS16509	/16	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS8987	Other IRR	MAINT-AS16509	2026-06-25

Transfer History

Registry transfers of 40.39.0.0/17, blocks inside it, or blocks containing it.

40.39.0.0/16Transfer · 2024-02-21
Eli Lilly and Company
🇺🇸 US ARIN
→
Amazon.com, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2024-02-21	40.39.0.0/16	Eli Lilly and Company 🇺🇸 US ARIN	Amazon.com, Inc. 🇺🇸 US ARIN	Transfer

Origin ASN

AS8987

GOVCLOUD - Amazon

Related Prefixes

Covering prefix

40.39.0.0/16AS8987

More prefixes of AS8987

All prefixes of AS8987 →

Geolocation

Country🇺🇸United StatesUS

CityPortland

Coordinates45.5152, -122.6784 ↗

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/40.39.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/40.39.0.0/17" | jq

External Links

RIPEstat