Home Prefix Lookup192.154.55.0/24

192.154.55.0/24 - MCNC (AS81)

IPv4ARINallocatedAS81NCREN - MCNC RPKI Valid

CIDR

192.154.55.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Durham (Research Triangle Park)

RIR

ARIN

Status

allocated

Allocated

1992-04-13

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
192.154.55.0/24	AS81 NCREN - MCNC	Valid	ARIN	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
192.154.55.0/24	AS81	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS81	ARIN	MNT-MCNC-Z	2026-02-12

Origin ASN

AS81

NCREN - MCNC

Related Prefixes

More prefixes of AS81

All prefixes of AS81 →

Geolocation

Country🇺🇸United StatesUS

RegionNorth Carolina

CityDurham (Research Triangle Park)

Coordinates35.9211, -78.8723 ↗

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/192.154.55.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/192.154.55.0/24" | jq

External Links

RIPEstat