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Autonomous System

AS3402

Butterfly Research

Announced IPs
1,536
CIDR prefixes
4
ASN
AS3402

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 →

Web3 footprint

AS3402 hosts 8 observed decentralized-network nodes across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
64.239.32.0/23 512
0.0%
Butterfly Research KY
64.239.116.0/23 512
0.0%
Butterfly Research KY
64.239.35.0/24 256
0.0%
Butterfly Research KY
64.239.116.0/24 256
0.0%
GB England City of London
64.239.117.0/24 256
0.0%
US New Jersey Newark
64.239.118.0/24 256
0.0%
Butterfly Research KY

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS3402 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
64.239.33.0/24 7,796 2026-07-18 10:53:02
64.239.32.0/24 7,445 2026-07-18 10:53:02
64.239.117.0/24 6,501 2026-07-18 10:53:02
64.239.35.0/24 6,436 2026-07-18 10:53:02
64.239.116.0/24 6,378 2026-07-18 10:53:02
64.239.118.0/24 6,260 2026-07-18 10:53:02

Frequently Asked Questions

What is AS3402?

AS3402 is an Autonomous System Number assigned to Butterfly Research. 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 AS3402 announce?

AS3402 announces 1.5K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in The Netherlands.

Who operates AS3402?

AS3402 is operated by Butterfly Research. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.

What country is AS3402 registered in?

AS3402 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 11:25:31 UTC
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