Home ASN LookupAS213903

AS213903 ZLY-AS Liuyang Zhang

🇨🇳

Org handle: ORG-LZ19-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

3total

0 IPv43 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)0

IPv6 Addresses

Allocated (RIR)6.3×10²⁶

Announced (BGP)3.6×10²⁴

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇨🇳 CN

RIR

RIPE NCC

Status

allocated

Allocated

2024-11-07

Routing hygiene

Score 10/100 · Low risk

RPKI ROA coverage

100%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 0/100

Only one upstream seen in the AS paths of its routes

Based on 3 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained

Announced Prefixes

(BGP)3

Prefix	RPKI	IRR	Last Seen
2406:840:fec1::/48	Valid	APNIC	2026-10-26
2406:840:fef0::/48	Valid	APNIC	2026-10-26
2406:840:fef1::/48	Valid	APNIC	2026-10-26

Allocated Prefixes

(RIR)14

Prefix	Country	RIR	Status
2406:840:fdf2::/48	🇨🇳 CN	APNIC	assigned
2406:840:fdf3::/48	🇨🇳 CN	APNIC	assigned
2406:840:fdf4::/48	🇨🇳 CN	APNIC	assigned
2406:840:fdf5::/48	🇨🇳 CN	APNIC	assigned
2406:840:fdf6::/48	🇨🇳 CN	APNIC	assigned
2406:840:fdf7::/48	🇨🇳 CN	APNIC	assigned
2406:840:fdf8::/48	🇨🇳 CN	APNIC	assigned
2406:840:fdf9::/48	🇨🇳 CN	APNIC	assigned
2406:840:fdfa::/48	🇨🇳 CN	APNIC	assigned
2406:840:fec1::/48	🇨🇳 CN	APNIC	assigned

1-10 of 14

1 / 2

All 3 announced prefixes of AS213903 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS213903 hands its own prefixes to: transit providers, or peers at an exchange.

AS7720Skywolf Technology3

ASPA

No ASPA

Abuse Contact

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS213903 should publish an ASPA object
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/213903

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/213903" | jq