$ query “AS21497” --type=asn → 1 result(s)

AS21497 · UMC-AS

PrJSC VF UKRAINE

AS21497 belongs to PrJSC VF UKRAINE and is a major transit provider, established in Ukraine in 2002. The system announces a solid 550 144 IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in Ukraine.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #8 in Ukraine — Top 10 by reach within country

Basic Information

Country
🇺🇦 Ukraine
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
January 02, 2002
Last Changed
March 04, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
168 / 56
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
550 144
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇦 Ukraine (550 144 IPs)
Prefix Changed
September 25, 2026

Reputation

Reputation
Good — 10 flagged IPs out of 550 144 total (0.00%)

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
174 networks exchanging traffic without transit
Downstream Customers
87 downstreams buying transit
Unclassified
13 unclassified BGP neighbors
Degree
279 unique BGP neighbors
Reach
193 networks in customer cone

Upstream Providers (5)

Prefix Lists

IPv4 Prefixes (168 total)

  • 31.144.0.0/16 (65 536 addresses (/16 prefix))
  • 46.133.0.0/16 (65 536 addresses (/16 prefix))
  • 77.52.0.0/16 (65 536 addresses (/16 prefix))
  • 89.209.0.0/16 (65 536 addresses (/16 prefix))
  • 128.124.0.0/16 (65 536 addresses (/16 prefix))
  • 178.133.0.0/16 (65 536 addresses (/16 prefix))
  • 31.12.128.0/17 (32 768 addresses (/17 prefix))
  • 95.109.128.0/17 (32 768 addresses (/17 prefix))
  • 88.214.64.0/18 (16 384 addresses (/18 prefix))
  • 93.127.64.0/18 (16 384 addresses (/18 prefix))
  • 80.255.64.0/20 (4 096 addresses (/20 prefix))
  • 85.114.192.0/20 (4 096 addresses (/20 prefix))
  • 178.136.0.0/20 (4 096 addresses (/20 prefix))
  • 178.136.96.0/20 (4 096 addresses (/20 prefix))
  • 213.186.208.0/20 (4 096 addresses (/20 prefix))
  • 217.24.160.0/20 (4 096 addresses (/20 prefix))
  • 77.239.160.0/21 (2 048 addresses (/21 prefix))
  • 81.95.176.0/21 (2 048 addresses (/21 prefix))
  • 89.105.224.0/21 (2 048 addresses (/21 prefix))
  • 93.178.192.0/21 (2 048 addresses (/21 prefix))
  • 178.136.40.0/21 (2 048 addresses (/21 prefix))
  • 178.136.56.0/21 (2 048 addresses (/21 prefix))
  • 78.111.220.0/22 (1 024 addresses (/22 prefix))
  • 81.95.188.0/22 (1 024 addresses (/22 prefix))
  • 89.105.236.0/22 (1 024 addresses (/22 prefix))
  • 89.105.240.0/22 (1 024 addresses (/22 prefix))
  • 89.105.252.0/22 (1 024 addresses (/22 prefix))
  • 93.178.200.0/22 (1 024 addresses (/22 prefix))
  • 93.178.212.0/22 (1 024 addresses (/22 prefix))
  • 93.178.224.0/22 (1 024 addresses (/22 prefix))
  • 93.178.240.0/22 (1 024 addresses (/22 prefix))
  • 93.178.248.0/22 (1 024 addresses (/22 prefix))
  • 178.136.28.0/22 (1 024 addresses (/22 prefix))
  • 178.136.32.0/22 (1 024 addresses (/22 prefix))
  • 178.136.64.0/22 (1 024 addresses (/22 prefix))
  • 213.154.192.0/22 (1 024 addresses (/22 prefix))
  • 81.95.184.0/23 (512 addresses (/23 prefix))
  • 89.105.244.0/23 (512 addresses (/23 prefix))
  • 89.105.250.0/23 (512 addresses (/23 prefix))
  • 93.178.228.0/23 (512 addresses (/23 prefix))
  • 178.136.234.0/23 (512 addresses (/23 prefix))
  • 178.136.236.0/23 (512 addresses (/23 prefix))
  • 195.248.172.0/23 (512 addresses (/23 prefix))
  • 213.130.24.0/23 (512 addresses (/23 prefix))
  • 213.186.204.0/23 (512 addresses (/23 prefix))
  • 62.221.52.0/24 (256 addresses (/24 prefix))
  • 89.105.249.0/24 (256 addresses (/24 prefix))
  • 93.127.1.0/24 (256 addresses (/24 prefix))
  • 93.178.209.0/24 (256 addresses (/24 prefix))
  • 93.178.237.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2a00:f50::/32