Home Prefix Lookup2a0b:4340:400::/40

2a0b:4340:400::/40 - StarCloud Yuchen Ma (AS204185)

IPv6RIPEassignedAS204185StarCloud-AS Yuchen Ma RPKI Valid

CIDR

2a0b:4340:400::/40

IP Version

IPv6

Addresses

309.4Y

Mask

/40

Country

🇨🇳 China

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

8 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2a0b:4340:400::/48	AS204185 StarCloud-AS Yuchen Ma	Valid	-	2026-10-27
2a0b:4340:401::/48	AS204185 StarCloud-AS Yuchen Ma	Valid	-	2026-10-27
2a0b:4340:402::/48	AS204185 StarCloud-AS Yuchen Ma	Valid	-	2026-10-27
2a0b:4340:403::/48	AS204185 StarCloud-AS Yuchen Ma	Valid	-	2026-10-27
2a0b:4340:404::/48	AS204185 StarCloud-AS Yuchen Ma	Valid	-	2026-10-27
2a0b:4340:405::/48	AS204185 StarCloud-AS Yuchen Ma	Valid	-	2026-10-27
2a0b:4340:406::/48	AS204185 StarCloud-AS Yuchen Ma	Valid	-	2026-10-27
2a0b:4340:434::/48	AS204185 StarCloud-AS Yuchen Ma	Valid	-	2026-10-27

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2a0b:4340:400::/40	AS204185	/48	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS204185	Other IRR	MAINT-AS20473	2026-09-26
AS204185	RIPE	STARCLOUD-MNT	2023-02-13

More Specific Prefixes

Prefix	AS	Country	Status
2a0b:4340:400::/48	AS204185	🇨🇭CH	assigned
2a0b:4340:401::/48	AS204185	🇨🇭CH	assigned
2a0b:4340:402::/48	AS204185	🇨🇭CH	assigned
2a0b:4340:403::/48	AS204185	🇨🇭CH	assigned
2a0b:4340:404::/48	AS204185	🇨🇭CH	assigned
2a0b:4340:405::/48	AS204185	🇨🇭CH	assigned
2a0b:4340:406::/48	AS204185	🇨🇭CH	assigned
2a0b:4340:434::/48	AS204185	🇨🇭CH	assigned

Transfer History

Registry transfers of 2a0b:4340:400::/40, blocks inside it, or blocks containing it.

2a0b:4340::/29Transfer · 2019-07-09
Misaka Network LLC
RIPE NCC
→
Misaka Network, Inc.
RIPE NCC

Date	Resource	From	To	Type
2019-07-09	2a0b:4340::/29	Misaka Network LLC RIPE NCC	Misaka Network, Inc. RIPE NCC	Transfer

Origin ASN

AS204185

StarCloud-AS Yuchen Ma

Related Prefixes

More prefixes of AS204185

All prefixes of AS204185 →

Geolocation

Country🇨🇳ChinaCN

Coordinates35.8617, 104.1954 ↗

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/2a0b:4340:400::/40

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

curl -s "https://api.ipctl.io/v1/prefix/2a0b:4340:400::/40" | jq

External Links

RIPEstat