Home Prefix Lookup204.19.40.0/23

204.19.40.0/23 - (AS396432)

IPv4ARINallocatedAS396432

CIDR

204.19.40.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇨🇦 Canada

City

Gatineau

RIR

ARIN

Status

allocated

Allocated

2026-10-05

Origin ASN

Related Prefixes

More prefixes of AS396432

All prefixes of AS396432 →

Geolocation

Country🇨🇦CanadaCA

RegionQuebec

CityGatineau

Coordinates45.4718, -75.7639 ↗

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

GEThttps://api.ipctl.io/v1/prefix/204.19.40.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/204.19.40.0/23" | jq

External Links