$ query “AS21500” --type=asn → 1 result(s)

AS21500 · TNS-AS

Scientific Production Enterprise Technaukservice Ltd

AS21500 belongs to Scientific Production Enterprise Technaukservice Ltd and is a mid-size transit provider, based in Ukraine since 2002. The system announces 9 216 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Ukraine.

Basic Information

Country
🇺🇦 Ukraine
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 12, 2002
Last Changed
May 01, 2026
Last Seen
May 18, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
21 / 15
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
9 216
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇺🇦 Ukraine (15 616 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
4 networks exchanging traffic without transit
Downstream Customers
10 downstreams buying transit
Degree
16 unique BGP neighbors
Reach
10 networks in customer cone

Upstream Providers (2)

Prefix Lists

IPv4 Prefixes (21 total)

  • 193.178.248.0/22 (1 024 addresses (/22 prefix))
  • 92.118.136.0/22 (1 024 addresses (/22 prefix))
  • 195.234.220.0/22 (1 024 addresses (/22 prefix))
  • 195.69.184.0/22 (1 024 addresses (/22 prefix))
  • 85.90.200.0/22 (1 024 addresses (/22 prefix))
  • 91.246.220.0/22 (1 024 addresses (/22 prefix))
  • 194.54.186.0/23 (512 addresses (/23 prefix))
  • 92.118.224.0/23 (512 addresses (/23 prefix))
  • 195.123.184.0/23 (512 addresses (/23 prefix))
  • 92.118.226.0/24 (256 addresses (/24 prefix))
  • 81.17.130.0/24 (256 addresses (/24 prefix))
  • 62.106.68.0/24 (256 addresses (/24 prefix))
  • 81.17.142.0/24 (256 addresses (/24 prefix))
  • 195.123.177.0/24 (256 addresses (/24 prefix))
  • 81.17.140.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2a06:6200::/29