Autonomous System
AS50928 PJSC MegaFon
ISPActiveRussiaRIPE
AS50928 (SYNTSIB-AS) is an ISP network operated by PJSC MegaFon in Russia, registered with RIPE. It has 38 IPv4 prefixes with 16,128 addresses and 10 IPv6 prefixes, which makes it the 7,972nd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses16,128in 38 prefixes
IPv6 prefixes10≈ 3.1 × 10²⁷ addresses
Size rank#7,972of 82,200 active ASNs
Details
OrganizationPJSC MegaFon
AS nameSYNTSIB-AS
Websitemegafon.ru
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse-mailbox@megafon.ru
Registered2010-04-26
Last updated2026-03-27
IPv4 prefixes
38 prefixes · 16,128 addresses| Network | Addresses | First – last address |
|---|---|---|
| 31.173.248.0/21 | 2,048 | 31.173.248.0 – 31.173.255.255 |
| 46.29.192.0/21 | 2,048 | 46.29.192.0 – 46.29.199.255 |
| 178.23.144.0/21 | 2,048 | 178.23.144.0 – 178.23.151.255 |
| 37.29.80.0/22 | 1,024 | 37.29.80.0 – 37.29.83.255 |
| 188.170.244.0/23 | 512 | 188.170.244.0 – 188.170.245.255 |
| 31.173.248.0/24 | 256 | 31.173.248.0 – 31.173.248.255 |
| 31.173.249.0/24 | 256 | 31.173.249.0 – 31.173.249.255 |
| 31.173.250.0/24 | 256 | 31.173.250.0 – 31.173.250.255 |
| 31.173.251.0/24 | 256 | 31.173.251.0 – 31.173.251.255 |
| 31.173.252.0/24 | 256 | 31.173.252.0 – 31.173.252.255 |
| 31.173.253.0/24 | 256 | 31.173.253.0 – 31.173.253.255 |
| 31.173.254.0/24 | 256 | 31.173.254.0 – 31.173.254.255 |
| 37.29.80.0/24 | 256 | 37.29.80.0 – 37.29.80.255 |
| 37.29.81.0/24 | 256 | 37.29.81.0 – 37.29.81.255 |
| 37.29.82.0/24 | 256 | 37.29.82.0 – 37.29.82.255 |
| 37.29.83.0/24 | 256 | 37.29.83.0 – 37.29.83.255 |
| 46.29.194.0/24 | 256 | 46.29.194.0 – 46.29.194.255 |
| 46.29.195.0/24 | 256 | 46.29.195.0 – 46.29.195.255 |
| 46.29.196.0/24 | 256 | 46.29.196.0 – 46.29.196.255 |
| 46.29.199.0/24 | 256 | 46.29.199.0 – 46.29.199.255 |
| 178.23.148.0/24 | 256 | 178.23.148.0 – 178.23.148.255 |
| 178.23.149.0/24 | 256 | 178.23.149.0 – 178.23.149.255 |
| 178.23.150.0/24 | 256 | 178.23.150.0 – 178.23.150.255 |
| 178.23.151.0/24 | 256 | 178.23.151.0 – 178.23.151.255 |
| 178.176.248.0/24 | 256 | 178.176.248.0 – 178.176.248.255 |
31.173.248.0/21 46.29.192.0/21 178.23.144.0/21 37.29.80.0/22 188.170.244.0/23 31.173.248.0/24 31.173.249.0/24 31.173.250.0/24 31.173.251.0/24 31.173.252.0/24 31.173.253.0/24 31.173.254.0/24 37.29.80.0/24 37.29.81.0/24 37.29.82.0/24 37.29.83.0/24 46.29.194.0/24 46.29.195.0/24 46.29.196.0/24 46.29.199.0/24 178.23.148.0/24 178.23.149.0/24 178.23.150.0/24 178.23.151.0/24 178.176.248.0/24
The 25 largest of 38. The API and the database have all of them.
IPv6 prefixes
10 prefixes- 2a00:9780::/40
- 2a00:9780:100::/40
- 2a00:9780:200::/40
- 2a00:9780:300::/40
- 2a00:9780:400::/40
- 2a00:9780:500::/40
- 2a00:9780:600::/40
- 2a00:9780:700::/40
- 2a00:9780:800::/40
- 2a00:9780:900::/40
2a00:9780::/40 2a00:9780:100::/40 2a00:9780:200::/40 2a00:9780:300::/40 2a00:9780:400::/40 2a00:9780:500::/40 2a00:9780:600::/40 2a00:9780:700::/40 2a00:9780:800::/40 2a00:9780:900::/40
Query AS50928 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=AS50928&key=YOUR_API_KEY"Any address in its prefixes resolves to AS50928, with or without a key:
curl "https://api.ipapi.is/?q=31.173.248.1"Other networks of PJSC MegaFon
6 of 14AS12714 PJSC MegaFon1,663,488 IPv4 addressesAS31133 PJSC MegaFon973,824 IPv4 addressesAS20632 PJSC MegaFon312,832 IPv4 addressesAS25159 PJSC MegaFon142,336 IPv4 addressesAS31213 PJSC MegaFon76,544 IPv4 addressesAS31163 PJSC MegaFon73,984 IPv4 addresses