Home Prefix Lookup172.121.126.0/24

172.121.126.0/24 - BGP Prefix (MOAS)

IPv4ARINannouncedMOAS RPKI Valid

CIDR

172.121.126.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇪🇸 Spain

City

Madrid

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

2 of 2 routes

MOAS - 2 origin ASNs

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
172.121.126.0/24	AS5511 Opentransit Orange S.A.	Valid	ARINOther IRR	2026-10-11
172.121.126.0/24	AS18779 EGIHOSTING - EGIHosting	Invalid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
172.121.126.0/24	AS5511	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS5511	ARIN	MNT-EGNL-1	2026-05-22
AS5511	Other IRR	MAINT-AS18779	2026-05-22

Origin ASNs (2)

AS5511MOAS

Opentransit Orange S.A.

AS18779MOAS

EGIHOSTING - EGIHosting

Geolocation

Country🇪🇸SpainES

RegionMadrid

CityMadrid

Coordinates40.4168, -3.7038 ↗

Abuse Contact

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/172.121.126.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/172.121.126.0/24" | jq

External Links

RIPEstat