$ query “AS3” --type=asn → 1 result(s)

AS3 · AS3

Adaptive Systems A/S

AS3 is operated by Adaptive Systems A/S and serves as an educational/research access provider, registered in the United States since 2015. The system announces an impressive 1.8 million IPv4 addresses, including a /13, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Australia and Indonesia, and a smaller footprint in another country. This AS's prefix announcements have been recently modified.

Basic Information

Country
🇺🇸 United States
Category
Education/Research
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 21, 2015
Last Changed
May 10, 2026
Last Seen
June 08, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
96 / 22
IPv6 Prefixes (raw / aggregated)
12 / 8
IPv4 Addresses
1 838 848
Largest IPv4 Prefix
/13 (524 288 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇺🇸 United States (2 034 688 IPs), 🇦🇺 Australia (1 024 IPs), 🇮🇩 Indonesia (512 IPs) and 1 more
Prefix Changed
June 09, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 1 838 848 total (0.00%)
Tor Exit Nodes
1 known Tor exit nodes in this network

Connectivity Summary

Upstream Providers
11 upstreams providing transit
Peers
4 networks exchanging traffic without transit
Downstream Customers
3 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
21 unique BGP neighbors
Reach
6 networks in customer cone

Upstream Providers (11)

Prefix Lists

IPv4 Prefixes (96 total)

  • 18.8.0.0/13 (524 288 addresses (/13 prefix))
  • 18.4.0.0/14 (262 144 addresses (/14 prefix))
  • 18.26.0.0/15 (131 072 addresses (/15 prefix))
  • 128.30.0.0/15 (131 072 addresses (/15 prefix))
  • 18.16.0.0/15 (131 072 addresses (/15 prefix))
  • 18.0.0.0/15 (131 072 addresses (/15 prefix))
  • 18.22.0.0/15 (131 072 addresses (/15 prefix))
  • 18.31.0.0/16 (65 536 addresses (/16 prefix))
  • 18.29.0.0/16 (65 536 addresses (/16 prefix))
  • 18.18.0.0/16 (65 536 addresses (/16 prefix))
  • 18.25.0.0/16 (65 536 addresses (/16 prefix))
  • 18.3.0.0/16 (65 536 addresses (/16 prefix))
  • 128.52.0.0/16 (65 536 addresses (/16 prefix))
  • 128.201.192.0/22 (1 024 addresses (/22 prefix))
  • 192.52.62.0/23 (512 addresses (/23 prefix))
  • 192.52.64.0/23 (512 addresses (/23 prefix))
  • 168.235.162.0/23 (512 addresses (/23 prefix))
  • 38.126.196.0/24 (256 addresses (/24 prefix))
  • 192.52.61.0/24 (256 addresses (/24 prefix))
  • 168.235.165.0/24 (256 addresses (/24 prefix))
  • 103.162.43.0/24 (256 addresses (/24 prefix))
  • 193.242.190.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (12 total)

  • 2603:4000::/31
  • 2603:4008::/31
  • 2603:4010::/31
  • 2603:4007::/32
  • 2603:400a::/32
  • 2804:35c8::/32
  • 2804:3f58::/32
  • 2804:87d8::/32