Home Prefix Lookup209.251.251.0/24

209.251.251.0/24 - Thryv (AS26054)

IPv4ARINannouncedAS26054THRYV - ThryvNo ROA

CIDR

209.251.251.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Washington D.C.

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
209.251.251.0/24	AS26054 THRYV - Thryv	No ROA	Other IRR	2026-10-12

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS10930	Other IRR	MAINT-AS1828	2023-11-13
AS6482	Other IRR	MAINT-AS5650	2024-02-15
AS26054	Other IRR	MAINT-AS26054	2023-11-13

Transfer History

Registry transfers of 209.251.251.0/24, blocks inside it, or blocks containing it.

209.251.250.0/23M&A · 2021-10-13
YellowPages.com LLC
🇺🇸 US ARIN
→
Thryv
🇺🇸 US ARIN
209.251.250.0/23Transfer · 2016-02-24
Nova Internet Services, Inc.
🇺🇸 US ARIN
→
YellowPages.com LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2021-10-13	209.251.250.0/23	YellowPages.com LLC 🇺🇸 US ARIN	Thryv 🇺🇸 US ARIN	M&A
2016-02-24	209.251.250.0/23	Nova Internet Services, Inc. 🇺🇸 US ARIN	YellowPages.com LLC 🇺🇸 US ARIN	Transfer

Origin ASN

AS26054

THRYV - Thryv

Related Prefixes

More prefixes of AS26054

All prefixes of AS26054 →

Geolocation

Country🇺🇸United StatesUS

RegionDistrict of Columbia

CityWashington D.C.

Coordinates38.9072, -77.0369 ↗

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/209.251.251.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/209.251.251.0/24" | jq

External Links

RIPEstat