$ query “AS398324” --type=asn → 1 result(s)

AS398324 · CENSYS-ARIN-01

Censys Inc.

AS398324 is run by Censys Inc. and is an enterprise stub network, registered in the United States since 2020. The system announces 3 840 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States. ⚠️ This AS has a high concentration of IPs flagged for malicious activity.

  • Dark Side — Very high concentration of IPs on threat intelligence feeds (>=2%)

Basic Information

Country
🇺🇸 United States
Category
Business
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
April 27, 2020
Last Changed
March 04, 2026
Last Seen
August 09, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
15 / 15
IPv6 Prefixes (raw / aggregated)
6 / 4
IPv4 Addresses
3 840
Largest IPv4 Prefix
/24 (256 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇺🇸 United States (6 912 IPs)
Prefix Changed
July 16, 2026

Reputation

Reputation
Dirty — 824 flagged IPs out of 3 840 total (21.46%)

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
1 network exchanging traffic without transit
Degree
4 unique BGP neighbors
Reach
0 networks in customer cone

Upstream Providers (3)

  • AS6939 — HURRICANE
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (15 total)

  • 66.132.148.0/24 (256 addresses (/24 prefix))
  • 66.132.153.0/24 (256 addresses (/24 prefix))
  • 66.132.159.0/24 (256 addresses (/24 prefix))
  • 66.132.172.0/24 (256 addresses (/24 prefix))
  • 66.132.175.0/24 (256 addresses (/24 prefix))
  • 66.132.186.0/24 (256 addresses (/24 prefix))
  • 66.132.195.0/24 (256 addresses (/24 prefix))
  • 66.132.198.0/24 (256 addresses (/24 prefix))
  • 66.132.224.0/24 (256 addresses (/24 prefix))
  • 66.132.228.0/24 (256 addresses (/24 prefix))
  • 66.234.1.0/24 (256 addresses (/24 prefix))
  • 162.142.125.0/24 (256 addresses (/24 prefix))
  • 167.94.138.0/24 (256 addresses (/24 prefix))
  • 167.248.133.0/24 (256 addresses (/24 prefix))
  • 206.168.35.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (6 total)

  • 2602:80d:1006::/47
  • 2602:80d:1008::/47
  • 2602:80d:1001::/48
  • 2602:80d:100a::/48