Home Prefix Lookup107.239.0.0/17

107.239.0.0/17 - AT&T Enterprises (AS7018)

IPv4ARINannouncedAS7018ATT-INTERNET4 - AT&T Enterprises, LLC RPKI Valid

CIDR

107.239.0.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇺🇸 United States

City

Ashburn

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
107.239.0.0/17	AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC	Valid	ARIN	2026-10-12

More-Specific Announcements

11 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
107.239.12.0/22	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12
107.239.16.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12
107.239.23.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12
107.239.48.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12
107.239.52.0/23	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12
107.239.54.0/23	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12
107.239.56.0/22	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12
107.239.59.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12
107.239.64.0/20	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12
107.239.80.0/20	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12
107.239.96.0/19	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
107.239.0.0/17	AS7018	/17	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7018	ARIN	MNT-AEL-360	2026-08-26

Transfer History

Registry transfers of 107.239.0.0/17, blocks inside it, or blocks containing it.

107.224.0.0/11M&A · 2025-03-18
AT&T Mobility LLC
🇺🇸 US ARIN
→
AT&T Enterprises, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-03-18	107.224.0.0/11	AT&T Mobility LLC 🇺🇸 US ARIN	AT&T Enterprises, LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS7018

ATT-INTERNET4 - AT&T Enterprises, LLC

Related Prefixes

More prefixes of AS7018

All prefixes of AS7018 →

Geolocation

Country🇺🇸United StatesUS

RegionVirginia

CityAshburn

Coordinates39.0438, -77.4874 ↗

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/107.239.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/107.239.0.0/17" | jq

External Links

RIPEstat