Home Prefix Lookup72.56.168.0/22

72.56.168.0/22 - Ws Telecom Sdn WS Telecom (AS213541)

IPv4RIPEannouncedAS213541ws-telecom-sdn WS Telecom Inc RPKI Valid

CIDR

72.56.168.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇺🇸 United States

City

Dallas

RIR

RIPE

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
72.56.168.0/22	AS213541 ws-telecom-sdn WS Telecom Inc	Valid	Other IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
72.56.128.0/18	AS209372	/24	ripe
72.56.128.0/18	AS213541	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS213541	Other IRR	MAINT-AS209372	2026-08-30
AS209372	Other IRR	MAINT-AS209372	2026-08-30

More Specific Prefixes

Prefix	Country	Status
72.56.168.0/24	🇺🇸US	assigned
72.56.169.0/24	🇺🇸US	assigned
72.56.170.0/24	🇺🇸US	assigned
72.56.171.0/24	🇺🇸US	assigned

Transfer History

Registry transfers of 72.56.168.0/22, blocks inside it, or blocks containing it.

72.56.0.0/16inter-RIRTransfer · 2025-08-11
T-Mobile USA, Inc.
🇺🇸 US ARIN
→
Net Inc.
🇺🇸 US RIPE NCC
72.56.0.0/13M&A · 2020-12-31
Sprint Communications, Inc.
🇺🇸 US ARIN
→
T-Mobile USA, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-08-11	72.56.0.0/16inter-RIR	T-Mobile USA, Inc. 🇺🇸 US ARIN	Net Inc. 🇺🇸 US RIPE NCC	Transfer
2020-12-31	72.56.0.0/13	Sprint Communications, Inc. 🇺🇸 US ARIN	T-Mobile USA, Inc. 🇺🇸 US ARIN	M&A

Origin ASN

AS213541

ws-telecom-sdn WS Telecom Inc

Related Prefixes

More prefixes of AS213541

All prefixes of AS213541 →

Geolocation

Country🇺🇸United StatesUS

RegionTexas

CityDallas

Coordinates32.7767, -96.7970 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/72.56.168.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/72.56.168.0/22" | jq

External Links

RIPEstat