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Autonomous System

AS402387

JianyueLab

Announced IPs
256
CIDR prefixes
1
ASN
AS402387

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Enterprise
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open
IRR record RADB::AS-JYL

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
23.157.180.0/24 256
0.0%
JianyueLab US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS402387 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
23.157.180.0/24 8,443 2026-07-23 08:04:32

Frequently Asked Questions

What is AS402387?

AS402387 is an Autonomous System Number assigned to JianyueLab. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS402387 announce?

AS402387 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS402387?

AS402387 is operated by JianyueLab. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS402387 registered in?

AS402387 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 08:10:36 UTC
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