Home Prefix Lookup209.51.4.0/22

209.51.4.0/22 - Mid Plains Rural Telephone Cooperative (AS63178)

IPv4ARINannouncedAS63178MPRTC-ISP - Mid-Plains Rural Telephone Cooperative, Inc. RPKI Valid

CIDR

209.51.4.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇺🇸 United States

City

Silverton

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
209.51.4.0/22	AS63178 MPRTC-ISP - Mid-Plains Rural Telephone Cooperative, Inc.	Valid	ARIN	2026-10-11

More-Specific Announcements

4 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
209.51.4.0/24	AS63178 MPRTC-ISP - Mid-Plains Rural Telephone Cooperative, Inc.	Valid	-	2026-10-11
209.51.5.0/24	AS63178 MPRTC-ISP - Mid-Plains Rural Telephone Cooperative, Inc.	Valid	-	2026-10-11
209.51.6.0/24	AS63178 MPRTC-ISP - Mid-Plains Rural Telephone Cooperative, Inc.	Valid	-	2026-10-11
209.51.7.0/24	AS63178 MPRTC-ISP - Mid-Plains Rural Telephone Cooperative, Inc.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
209.51.4.0/22	AS46455	/24	arin
209.51.4.0/22	AS63178	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS63178	ARIN	MNT-NETWO-162	2025-10-31

Transfer History

Registry transfers of 209.51.4.0/22, blocks inside it, or blocks containing it.

209.51.0.0/21Transfer · 2020-06-01
Waymark Internet Services, Inc.
🇺🇸 US ARIN
→
Network Lubbock, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2020-06-01	209.51.0.0/21	Waymark Internet Services, Inc. 🇺🇸 US ARIN	Network Lubbock, Inc. 🇺🇸 US ARIN	Transfer

Origin ASN

AS63178

MPRTC-ISP - Mid-Plains Rural Telephone Cooperative, Inc.

Related Prefixes

More prefixes of AS63178

All prefixes of AS63178 →

Geolocation

Country🇺🇸United StatesUS

RegionTexas

CitySilverton

Coordinates34.4742, -101.3050 ↗

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/209.51.4.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/209.51.4.0/22" | jq

External Links

RIPEstat