Home Prefix Lookup2a01:4244:4f00::/40

2a01:4244:4f00::/40 - Caelus Technology (AS1405)

IPv6RIPEannouncedAS1405CAELUS-AS - Caelus Technology LLC RPKI Valid

CIDR

2a01:4244:4f00::/40

IP Version

IPv6

Addresses

309.4Y

Mask

/40

Country

🇯🇵 Japan

City

Shinagawa (Higashishinagawa)

RIR

RIPE

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
2a01:4244:4f00::/40	AS1405 CAELUS-AS - Caelus Technology LLC	Valid	-	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
2a01:4244:4000::/36	AS1405 CAELUS-AS - Caelus Technology LLC	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2a01:4244::/30	AS1405	/48	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS49304	RIPE	caelus-mnt	2026-01-29

Origin ASN

AS1405

CAELUS-AS - Caelus Technology LLC

Related Prefixes

Covering prefix

2a01:4244:4000::/36AS1405

More prefixes of AS1405

All prefixes of AS1405 →

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityShinagawa (Higashishinagawa)

Coordinates35.6191, 139.7510 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/2a01:4244:4f00::/40

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

curl -s "https://api.ipctl.io/v1/prefix/2a01:4244:4f00::/40" | jq

External Links

RIPEstat