$ query “AS203446” --type=asn → 1 result(s)

AS203446 · AS203446

SMARTNET LIMITED

AS203446 belongs to SMARTNET LIMITED and is a mid-size transit provider, registered in the United Kingdom since 2022. The system announces 4 352 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Germany, with additional presence in Lithuania and the United Arab Emirates, and a smaller footprint in another country. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇬🇧 United Kingdom
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 04, 2022
Last Changed
March 04, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
17 / 17
IPv6 Prefixes (raw / aggregated)
5 / 4
IPv4 Addresses
4 352
Largest IPv4 Prefix
/24 (256 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇩🇪 Germany (3 584 IPs), 🇱🇹 Lithuania (2 048 IPs), 🇦🇪 United Arab Emirates (256 IPs) and 1 more
Prefix Changed
June 20, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 4 352 total (0.05%)
Tor Exit Nodes
1 known Tor exit nodes in this network

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
46 networks exchanging traffic without transit
Downstream Customers
18 downstreams buying transit
Unclassified
21 unclassified BGP neighbors
Degree
92 unique BGP neighbors
Reach
121 networks in customer cone

Upstream Providers (7)

  • AS174 — COGENT (Tier-1 transit)
  • AS6461 — MFNX (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS15830 — EQUINIX
  • AS6204 — ZET-NET
  • AS5511 — OPENTRANSIT (Tier-1 transit)
  • AS6830 — LIBERTYGLOBAL (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (17 total)

  • 2.56.246.0/24 (256 addresses (/24 prefix))
  • 5.83.141.0/24 (256 addresses (/24 prefix))
  • 37.114.41.0/24 (256 addresses (/24 prefix))
  • 45.131.65.0/24 (256 addresses (/24 prefix))
  • 45.134.39.0/24 (256 addresses (/24 prefix))
  • 45.137.70.0/24 (256 addresses (/24 prefix))
  • 64.204.166.0/24 (256 addresses (/24 prefix))
  • 64.204.203.0/24 (256 addresses (/24 prefix))
  • 82.29.103.0/24 (256 addresses (/24 prefix))
  • 82.47.19.0/24 (256 addresses (/24 prefix))
  • 86.38.156.0/24 (256 addresses (/24 prefix))
  • 92.242.166.0/24 (256 addresses (/24 prefix))
  • 93.90.74.0/24 (256 addresses (/24 prefix))
  • 140.150.224.0/24 (256 addresses (/24 prefix))
  • 163.5.195.0/24 (256 addresses (/24 prefix))
  • 185.50.255.0/24 (256 addresses (/24 prefix))
  • 194.62.248.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (5 total)

  • 2a0e:97c0:472::/47
  • 2a02:2fc0:17::/48
  • 2a0e:97c0:3ea::/48
  • 2a0e:97c0:470::/48