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

AS203446 · AS203446

SMARTNET Germany GmbH

AS203446 is operated by SMARTNET Germany GmbH and serves as a mid-size transit provider, based in Germany 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 smaller footprints in 2 additional countries.

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

Basic Information

Country
🇩🇪 Germany
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
July 25, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
17 / 17
IPv6 Prefixes (raw / aggregated)
6 / 5
IPv4 Addresses
4 352
Largest IPv4 Prefix
/24 (256 addresses)
Largest IPv6 Prefix
/36
Geolocated Countries
🇩🇪 Germany (2 560 IPs), 🇱🇹 Lithuania (1 024 IPs), 🇬🇧 United Kingdom (256 IPs) and 2 more
Prefix Changed
September 10, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 4 352 total (0.02%)

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
127 networks exchanging traffic without transit
Downstream Customers
26 downstreams buying transit
Unclassified
9 unclassified BGP neighbors
Degree
169 unique BGP neighbors
Reach
61 networks in customer cone

Upstream Providers (7)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS15830 — EQUINIX
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS15802 — DU-AS1
  • 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))
  • 46.37.101.0/24 (256 addresses (/24 prefix))
  • 51.241.141.0/24 (256 addresses (/24 prefix))
  • 64.204.182.0/24 (256 addresses (/24 prefix))
  • 64.204.203.0/24 (256 addresses (/24 prefix))
  • 89.213.171.0/24 (256 addresses (/24 prefix))
  • 91.109.45.0/24 (256 addresses (/24 prefix))
  • 92.242.166.0/24 (256 addresses (/24 prefix))
  • 93.90.74.0/24 (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 (6 total)

  • 2a0f:6282:b000::/36
  • 2a0e:97c0:472::/47
  • 2a02:2fc0:17::/48
  • 2a0e:97c0:3ea::/48
  • 2a0e:97c0:470::/48