$ query “AS398705” --type=asn → 1 result(s)

AS398705 · CENSYS-ARIN-02

Censys Inc.

AS398705 is operated by Censys Inc. and serves as an enterprise stub network, established in the United States in 2020. The system announces 512 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Australia. ⚠️ 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
August 13, 2020
Last Changed
March 04, 2026
Last Seen
April 16, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 / 2
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
512
Largest IPv4 Prefix
/24 (256 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇦🇺 Australia (512 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Dirty — 109 flagged IPs out of 512 total (21.29%)

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Degree
2 unique BGP neighbors
Reach
0 networks in customer cone

Upstream Providers (2)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS5511 — OPENTRANSIT (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (2 total)

  • 167.94.145.0/24 (256 addresses (/24 prefix))
  • 167.94.146.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2602:80d:1002::/48
  • 2602:80d:1005::/48