Home Prefix Lookup91.204.48.0/23

91.204.48.0/23 - BGP Prefix (MOAS)

IPv4RIPE NCCannouncedMOAS RPKI Valid

CIDR

91.204.48.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇯🇵 Japan

City

Shibuya City

RIR

RIPE NCC

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
91.204.48.0/23	AS50495 WEB2OBJECTS-EU-AS web2objects GmbH	Valid	RIPE	2026-10-11
91.204.48.0/23	AS203061 itproximus UAB code200	Invalid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
91.204.48.0/23	AS50495	/23	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS50495	RIPE	W2O-MNT	2026-08-20

Origin ASNs (2)

AS50495MOAS

WEB2OBJECTS-EU-AS web2objects GmbH

AS203061MOAS

itproximus UAB code200

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityShibuya City

Coordinates35.6764, 139.6500 ↗

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 RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/91.204.48.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/91.204.48.0/23" | jq

External Links

RIPEstat