Home Prefix Lookup72.63.244.0/23

72.63.244.0/23 - Itproximus UAB Code200 (AS203061)

IPv4RIPE NCCannouncedAS203061itproximus UAB code200 RPKI Valid

CIDR

72.63.244.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇯🇵 Japan

City

Tokyo

RIR

RIPE NCC

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
72.63.244.0/23	AS203061 itproximus UAB code200	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
72.63.244.0/23	AS203061	/23	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS203061	RIPE	mnt-lt-code200-1	2025-09-09

Transfer History

Registry transfers of 72.63.244.0/23, blocks inside it, or blocks containing it.

72.63.0.0/16inter-RIRTransfer · 2025-06-03
T-Mobile USA, Inc.
🇺🇸 US ARIN
→
UAB code200
RIPE NCC
72.56.0.0/13M&A · 2020-12-31
Sprint Communications, Inc.
🇺🇸 US ARIN
→
T-Mobile USA, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-06-03	72.63.0.0/16inter-RIR	T-Mobile USA, Inc. 🇺🇸 US ARIN	UAB code200 RIPE NCC	Transfer
2020-12-31	72.56.0.0/13	Sprint Communications, Inc. 🇺🇸 US ARIN	T-Mobile USA, Inc. 🇺🇸 US ARIN	M&A

Origin ASN

AS203061

itproximus UAB code200

Related Prefixes

More prefixes of AS203061

All prefixes of AS203061 →

Geolocation

Country🇯🇵JapanJP

CityTokyo

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/72.63.244.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/72.63.244.0/23" | jq

External Links

RIPEstat