Home Prefix Lookup2406:840:ff00::/40

2406:840:ff00::/40 - Yuze Zhang (AS142641)

IPv6APNICassignedAS142641NTZYZ-AS-AP - Yuze ZhangNo ROA

CIDR

2406:840:ff00::/40

IP Version

IPv6

Addresses

309.4Y

Mask

/40

Country

🇭🇰 Hong Kong

City

Hong Kong

RIR

APNIC

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
2406:840:ff00::/40	AS142641 NTZYZ-AS-AP - Yuze Zhang	No ROA	-	2026-10-12

More-Specific Announcements

2 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2406:840:ff11::/48	AS142641 NTZYZ-AS-AP - Yuze Zhang	No ROA	-	2026-10-12
2406:840:ff40::/42	AS142641 NTZYZ-AS-AP - Yuze Zhang	No ROA	-	2026-10-12

More Specific Prefixes

Prefix	AS	Country	Status
2406:840:ff12::/48	AS142641	🇯🇵JP	assigned
2406:840:ff40::/42	AS142641	🇸🇬SG	assigned
2406:840:ff80::/44		🇺🇸US	assigned
2406:840:ff90::/44	AS142641	🇯🇵JP	assigned

Origin ASN

AS142641

NTZYZ-AS-AP - Yuze Zhang

Related Prefixes

More prefixes of AS142641

All prefixes of AS142641 →

Geolocation

Country🇭🇰Hong KongHK

RegionKowloon

CityHong Kong

Coordinates22.3193, 114.1690 ↗

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 APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/2406:840:ff00::/40

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

curl -s "https://api.ipctl.io/v1/prefix/2406:840:ff00::/40" | jq

External Links

RIPEstat