Autonomous System
AS21497 PrJSC VF UKRAINE
ISPActiveUkraineRIPE
AS21497 (UMC-AS) is an ISP network operated by PrJSC VF UKRAINE in Ukraine, registered with RIPE. It has 103 IPv4 prefixes with 997,120 addresses and 1 IPv6 prefix, which makes it the 442nd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses997,120in 103 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#442of 82,200 active ASNs
Details
OrganizationPrJSC VF UKRAINE
AS nameUMC-AS
Websitevodafone.ua
Country Ukraine (UA)
Network typeISP
RegistryRIPE
Abuse contactnoc@vodafone.ua
Registered2002-01-02
Last updated2026-05-14
IPv4 prefixes
103 prefixes · 997,120 addresses| Network | Addresses | First – last address |
|---|---|---|
| 31.144.0.0/16 | 65,536 | 31.144.0.0 – 31.144.255.255 |
| 46.133.0.0/16 | 65,536 | 46.133.0.0 – 46.133.255.255 |
| 77.52.0.0/16 | 65,536 | 77.52.0.0 – 77.52.255.255 |
| 89.209.0.0/16 | 65,536 | 89.209.0.0 – 89.209.255.255 |
| 128.124.0.0/16 | 65,536 | 128.124.0.0 – 128.124.255.255 |
| 178.133.0.0/16 | 65,536 | 178.133.0.0 – 178.133.255.255 |
| 31.12.128.0/17 | 32,768 | 31.12.128.0 – 31.12.255.255 |
| 31.144.0.0/17 | 32,768 | 31.144.0.0 – 31.144.127.255 |
| 31.144.128.0/17 | 32,768 | 31.144.128.0 – 31.144.255.255 |
| 46.133.0.0/17 | 32,768 | 46.133.0.0 – 46.133.127.255 |
| 46.133.128.0/17 | 32,768 | 46.133.128.0 – 46.133.255.255 |
| 77.52.0.0/17 | 32,768 | 77.52.0.0 – 77.52.127.255 |
| 77.52.128.0/17 | 32,768 | 77.52.128.0 – 77.52.255.255 |
| 89.209.0.0/17 | 32,768 | 89.209.0.0 – 89.209.127.255 |
| 89.209.128.0/17 | 32,768 | 89.209.128.0 – 89.209.255.255 |
| 95.109.128.0/17 | 32,768 | 95.109.128.0 – 95.109.255.255 |
| 128.124.0.0/17 | 32,768 | 128.124.0.0 – 128.124.127.255 |
| 128.124.128.0/17 | 32,768 | 128.124.128.0 – 128.124.255.255 |
| 178.133.0.0/17 | 32,768 | 178.133.0.0 – 178.133.127.255 |
| 178.133.128.0/17 | 32,768 | 178.133.128.0 – 178.133.255.255 |
| 31.12.128.0/18 | 16,384 | 31.12.128.0 – 31.12.191.255 |
| 88.214.64.0/18 | 16,384 | 88.214.64.0 – 88.214.127.255 |
| 95.109.128.0/18 | 16,384 | 95.109.128.0 – 95.109.191.255 |
| 88.214.64.0/19 | 8,192 | 88.214.64.0 – 88.214.95.255 |
| 88.214.96.0/19 | 8,192 | 88.214.96.0 – 88.214.127.255 |
31.144.0.0/16 46.133.0.0/16 77.52.0.0/16 89.209.0.0/16 128.124.0.0/16 178.133.0.0/16 31.12.128.0/17 31.144.0.0/17 31.144.128.0/17 46.133.0.0/17 46.133.128.0/17 77.52.0.0/17 77.52.128.0/17 89.209.0.0/17 89.209.128.0/17 95.109.128.0/17 128.124.0.0/17 128.124.128.0/17 178.133.0.0/17 178.133.128.0/17 31.12.128.0/18 88.214.64.0/18 95.109.128.0/18 88.214.64.0/19 88.214.96.0/19
The 25 largest of 103. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2a00:f50::/32
2a00:f50::/32
Query AS21497 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS21497&key=YOUR_API_KEY"Any address in its prefixes resolves to AS21497, with or without a key:
curl "https://api.ipapi.is/?q=31.144.0.1"Largest networks in Ukraine
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