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

AS21497 — UMC-AS

PrJSC VF UKRAINE

AS21497 is a major transit provider registered to PrJSC VF UKRAINE, based in Ukraine since 2002. The network announces a solid 497 920 IPv4 addresses, including a /16. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #9 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
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
153 / 42
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
497 920
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇦 UA (51 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 3 flagged IPs out of 497 920 total (0.00%)

Connectivity Summary

Upstream Providers
4 upstream autonomous systems providing transit
Peers
160 autonomous systems exchanging traffic without transit fees
Downstream Customers
83 downstream autonomous systems buying transit
Degree
254 unique BGP neighbors (providers + customers + peers)
Reach
233 — customer cone size measuring network influence
Degree Rank
#506
Reach Rank
#797
Country Rank
#9

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (153 total)

  • 31.144.0.0/16 (65 536 addresses)
  • 46.133.0.0/16 (65 536 addresses)
  • 77.52.0.0/16 (65 536 addresses)
  • 89.209.0.0/16 (65 536 addresses)
  • 128.124.0.0/16 (65 536 addresses)
  • 178.133.0.0/16 (65 536 addresses)
  • 95.109.128.0/17 (32 768 addresses)
  • 88.214.64.0/18 (16 384 addresses)
  • 80.255.64.0/20 (4 096 addresses)
  • 85.114.192.0/20 (4 096 addresses)
  • 93.127.112.0/20 (4 096 addresses)
  • 178.136.96.0/20 (4 096 addresses)
  • 213.186.208.0/20 (4 096 addresses)
  • 77.239.160.0/21 (2 048 addresses)
  • 81.95.176.0/21 (2 048 addresses)
  • 89.105.224.0/21 (2 048 addresses)
  • 89.105.240.0/21 (2 048 addresses)
  • 93.127.104.0/21 (2 048 addresses)
  • 93.178.192.0/21 (2 048 addresses)
  • 93.178.208.0/21 (2 048 addresses)
  • 178.136.40.0/21 (2 048 addresses)
  • 178.136.64.0/21 (2 048 addresses)
  • 78.111.220.0/22 (1 024 addresses)
  • 81.95.188.0/22 (1 024 addresses)
  • 89.105.236.0/22 (1 024 addresses)
  • 93.127.0.0/22 (1 024 addresses)
  • 93.178.224.0/22 (1 024 addresses)
  • 93.178.236.0/22 (1 024 addresses)
  • 93.178.240.0/22 (1 024 addresses)
  • 93.178.248.0/22 (1 024 addresses)
  • 178.136.32.0/22 (1 024 addresses)
  • 178.136.72.0/22 (1 024 addresses)
  • 213.154.192.0/22 (1 024 addresses)
  • 217.24.164.0/22 (1 024 addresses)
  • 217.24.168.0/22 (1 024 addresses)
  • 81.95.184.0/23 (512 addresses)
  • 89.105.248.0/23 (512 addresses)
  • 93.178.228.0/23 (512 addresses)
  • 213.130.24.0/23 (512 addresses)
  • 217.24.162.0/23 (512 addresses)
  • 217.24.172.0/23 (512 addresses)
  • 217.24.174.0/24 (256 addresses)

IPv6 Prefixes (1 total)

  • 2a00:f50::/32