Home Prefix Lookup209.166.36.0/24

209.166.36.0/24 - RCN (AS6079)

IPv4ARINannouncedAS6079RCN-AS - RCN RPKI Valid

CIDR

209.166.36.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Lanham

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
209.166.36.0/24	AS6079 RCN-AS - RCN	Valid	-	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
209.166.0.0/18	AS3257 GTT-BACKBONE GTT Communications Inc.	No ROA	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
209.166.32.0/21	AS6079	/24	arin

Transfer History

Registry transfers of 209.166.36.0/24, blocks inside it, or blocks containing it.

209.166.0.0/18M&A · 2025-05-07
GTT
🇺🇸 US ARIN
→
GTT Americas, LLC
🇺🇸 US ARIN
209.166.0.0/18M&A · 2024-07-09
MegaPath Networks Inc.
🇺🇸 US ARIN
→
GTT
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-05-07	209.166.0.0/18	GTT 🇺🇸 US ARIN	GTT Americas, LLC 🇺🇸 US ARIN	M&A
2024-07-09	209.166.0.0/18	MegaPath Networks Inc. 🇺🇸 US ARIN	GTT 🇺🇸 US ARIN	M&A

Origin ASN

AS6079

RCN-AS - RCN

Related Prefixes

Covering prefix

209.166.0.0/18AS3257

More prefixes of AS6079

All prefixes of AS6079 →

Geolocation

Country🇺🇸United StatesUS

RegionMaryland

CityLanham

Coordinates38.9685, -76.8620 ↗

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/209.166.36.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/209.166.36.0/24" | jq

External Links

RIPEstat