Home Prefix Lookup216.173.87.0/24

216.173.87.0/24 - Cox Communications (AS22773)

IPv4RIPEassignedAS22773ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. RPKI Valid

CIDR

216.173.87.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Alexandria

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
216.173.87.0/24	AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.	Valid	Other IRRRIPE	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
216.173.84.0/22	AS7029 WINDSTREAM - Windstream Communications LLC	No ROA	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
216.173.87.0/24	AS7018	/24	ripe
216.173.87.0/24	AS22773	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS22773	Other IRR	MAINT-AS214937	2025-09-18
AS133944	RIPE	lir-uk-fastplanet-1-MNT	2023-01-26
AS22773	RIPE	lir-uk-fastplanet-1-MNT	2025-09-10
AS212238	RIPE	lir-uk-fastplanet-1-MNT	2022-11-28

Transfer History

Registry transfers of 216.173.87.0/24, blocks inside it, or blocks containing it.

216.173.64.0/18inter-RIRTransfer · 2021-12-09
Network Layer Technologies Inc
🇺🇸 US ARIN
→
FASTPLANET LTD
RIPE NCC

Date	Resource	From	To	Type
2021-12-09	216.173.64.0/18inter-RIR	Network Layer Technologies Inc 🇺🇸 US ARIN	FASTPLANET LTD RIPE NCC	Transfer

Origin ASN

AS22773

ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.

Related Prefixes

Covering prefix

216.173.84.0/22AS7029

More prefixes of AS22773

All prefixes of AS22773 →

Geolocation

Country🇺🇸United StatesUS

RegionVirginia

CityAlexandria

Coordinates38.8047, -77.0435 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/216.173.87.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/216.173.87.0/24" | jq

External Links

RIPEstat