Home Prefix Lookup216.172.142.0/24

216.172.142.0/24 - Connect Northwest Internet Services (AS10557)

IPv4ARINannouncedAS10557CNW - Connect Northwest Internet Services, LLC RPKI Valid

CIDR

216.172.142.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Seattle

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
216.172.142.0/24	AS10557 CNW - Connect Northwest Internet Services, LLC	Valid	ARINOther IRR	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
216.172.128.0/19	AS18779 EGIHOSTING - EGIHosting	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
216.172.142.0/24	AS10557	/24	arin
216.172.128.0/19	AS18779	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS10557	ARIN	MNT-SDL-166	2026-04-07
AS10557	Other IRR	MAINT-AS18779	2024-04-13

Transfer History

Registry transfers of 216.172.142.0/24, blocks inside it, or blocks containing it.

216.172.128.0/19M&A · 2026-04-07
EGIHosting
🇺🇸 US ARIN
→
Subnet Digital LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2026-04-07	216.172.128.0/19	EGIHosting 🇺🇸 US ARIN	Subnet Digital LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS10557

CNW - Connect Northwest Internet Services, LLC

Related Prefixes

Covering prefix

216.172.128.0/19AS18779

More prefixes of AS10557

All prefixes of AS10557 →

Geolocation

Country🇺🇸United StatesUS

RegionWashington

CitySeattle

Coordinates47.6061, -122.3330 ↗

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/216.172.142.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/216.172.142.0/24" | jq

External Links

RIPEstat