Home Prefix Lookup172.121.12.0/23

172.121.12.0/23 - EGIHosting (AS18779)

IPv4ARINannouncedAS18779EGIHOSTING - EGIHosting RPKI Valid

CIDR

172.121.12.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇩🇪 Germany

City

Frankfurt am Main

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
172.121.12.0/23	AS18779 EGIHOSTING - EGIHosting	Valid	ARINOther IRR	2026-10-12

More-Specific Announcements

1 more-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
172.121.12.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
172.121.12.0/23	AS18779	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS18779	ARIN	MNT-EGNL-1	2026-04-20
AS18779	Other IRR	MAINT-AS18779	2025-01-24

Origin ASN

AS18779

EGIHOSTING - EGIHosting

Related Prefixes

More prefixes of AS18779

All prefixes of AS18779 →

Geolocation

Country🇩🇪GermanyDE

RegionHesse

CityFrankfurt am Main

Coordinates50.1109, 8.6821 ↗

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/172.121.12.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/172.121.12.0/23" | jq

External Links

RIPEstat