Home Prefix Lookup2a0a:6040:2d00::/40

2a0a:6040:2d00::/40 - CAO Yue Cao (AS200256)

IPv6RIPEassignedAS200256CAO-AS Yue Cao RPKI Invalid

CIDR

2a0a:6040:2d00::/40

IP Version

IPv6

Addresses

309.4Y

Mask

/40

Country

🇬🇧 United Kingdom

City

London

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

5 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2a0a:6040:2d00::/48	AS146950 HARUUE-AS-AP - Haruue Network Limited	Invalid	-	2026-10-12
2a0a:6040:2d01::/48	AS200256 CAO-AS Yue Cao	Valid	-	2026-10-12
2a0a:6040:2d10::/44	AS146950 HARUUE-AS-AP - Haruue Network Limited	Invalid	-	2026-10-12
2a0a:6040:2d10::/45	AS146950 HARUUE-AS-AP - Haruue Network Limited	Invalid	-	2026-10-12
2a0a:6040:2d18::/45	AS146950 HARUUE-AS-AP - Haruue Network Limited	Invalid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2a0a:6040:2d00::/40	AS200256	/48	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS200256	RIPE	YC3254-MNT	2022-12-30

More Specific Prefixes

Prefix	AS	Country	Status
2a0a:6040:2d00::/44		🇬🇧GB	assigned
2a0a:6040:2d10::/44	AS146950	🇯🇵JP	assigned
2a0a:6040:2d10::/45	AS146950	🇯🇵JP	assigned
2a0a:6040:2d18::/45	AS146950	🇯🇵JP	assigned

Origin ASN

AS200256

CAO-AS Yue Cao

Related Prefixes

More prefixes of AS200256

2a0a:6040:2d01::/48

All prefixes of AS200256 →

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityLondon

Coordinates51.4998, -0.0111 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/2a0a:6040:2d00::/40

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

curl -s "https://api.ipctl.io/v1/prefix/2a0a:6040:2d00::/40" | jq

External Links

RIPEstat