204.84.0.0/15

🇺🇸

IPv4ARINallocatedAS81NCREN - MCNC RPKI Valid

CIDR

204.84.0.0/15

IP Version

IPv4

Addresses

131K

Mask

/15 (255.254.0.0)

Country

🇺🇸 United States

City

Durham (Research Triangle Park)

RIR

ARIN

Status

allocated

Allocated

6/30/1994

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
204.84.0.0/15	AS81NCREN - MCNC	Valid	ARIN	5/31/2026

14 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
204.85.192.0/18	AS81NCREN - MCNC	Valid	—	5/31/2026
204.84.80.0/20	AS81NCREN - MCNC	Valid	—	5/31/2026
204.85.176.0/20	AS36850UNC-CH - University of North Carolina at Chapel Hill	Valid	—	5/31/2026
204.84.112.0/21	AS81NCREN - MCNC	Valid	—	5/31/2026
204.84.244.0/22	AS11442NCSU - North Carolina State University	Valid	—	5/31/2026
204.84.8.0/22	AS36850UNC-CH - University of North Carolina at Chapel Hill	Valid	—	5/31/2026
204.84.252.0/22	AS36850UNC-CH - University of North Carolina at Chapel Hill	Valid	—	5/31/2026
204.84.238.0/23	AS6559NCIH - State of NC - State Telecommunications Services	Valid	—	5/31/2026
204.84.4.0/23	AS20197NCRC-KANNAPOLIS - Castle & Cooke North Carolina, LLC	Valid	—	5/31/2026
204.84.120.0/24	AS81NCREN - MCNC	Valid	—	5/31/2026
204.84.66.0/24	AS10952ECU-AS - East Carolina University	Valid	—	5/31/2026
204.84.6.0/24	AS20197NCRC-KANNAPOLIS - Castle & Cooke North Carolina, LLC	Valid	—	5/31/2026
204.84.7.0/24	AS20197NCRC-KANNAPOLIS - Castle & Cooke North Carolina, LLC	Valid	—	5/31/2026
204.85.191.0/24	AS36850UNC-CH - University of North Carolina at Chapel Hill	Valid	—	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
204.84.0.0/15	AS81	/15	arin

Origin	Registry	Maintainer	Modified
AS81	ARIN	MNT-MCNC-Z	2/12/2026

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionNorth Carolina

CityDurham (Research Triangle Park)

API

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

curl -s "https://api.ipctl.io/v1/prefix/204.84.0.0/15" | jq

External Links