Home Prefix Lookup216.20.152.0/21

216.20.152.0/21 - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION (AS16433)

IPv4ARINannouncedAS16433NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION RPKI Valid

CIDR

216.20.152.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Dallas

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
216.20.152.0/21	AS16433 NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION	Valid	-	2026-10-11

Related Announcements

1 less-specific, 7 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
216.20.144.0/20	AS16433 NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION	Valid	-	2026-10-11
216.20.152.0/24	AS16433 NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION	Valid	-	2026-10-11
216.20.153.0/24	AS16433 NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION	Valid	-	2026-10-11
216.20.154.0/24	AS16433 NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION	Valid	-	2026-10-11
216.20.155.0/24	AS16433 NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION	Valid	-	2026-10-11
216.20.156.0/24	AS16433 NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION	Valid	-	2026-10-11
216.20.158.0/24	AS16433 NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION	Valid	-	2026-10-11
216.20.159.0/24	AS16433 NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
216.20.144.0/20	AS16433	/24	arin

Transfer History

Registry transfers of 216.20.152.0/21, blocks inside it, or blocks containing it.

216.20.144.0/20Transfer · 2021-09-07
Hevanet
🇺🇸 US ARIN
→
North Central Communications
🇺🇸 US ARIN

Date	Resource	From	To	Type
2021-09-07	216.20.144.0/20	Hevanet 🇺🇸 US ARIN	North Central Communications 🇺🇸 US ARIN	Transfer

Origin ASN

AS16433

NCTC-ISP - NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION

Related Prefixes

Covering prefix

216.20.144.0/20AS16433

More prefixes of AS16433

All prefixes of AS16433 →

Geolocation

Country🇺🇸United StatesUS

RegionTexas

CityDallas

Coordinates32.7767, -96.7970 ↗

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/216.20.152.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/216.20.152.0/21" | jq

External Links

RIPEstat