Autonomous System

AS51859 Mainstream doo Beograd

HostingActiveSerbiaRIPE

AS51859 (MNSHA-AS) is a hosting network operated by Mainstream doo Beograd in Serbia, registered with RIPE. It has 35 IPv4 prefixes with 19,456 addresses and 3 IPv6 prefixes, which makes it the 7,006th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses19,456in 35 prefixes
IPv6 prefixes3≈ 6.7 × 10²⁹ addresses
Size rank#7,006of 82,200 active ASNs
Abuser scoreLow0.07% of its addresses flagged · method

Details

OrganizationMainstream doo Beograd
AS nameMNSHA-AS
Websitemainstream.rs
Country Serbia (RS)
Network typeHosting
RegistryRIPE
Abuse contactabuse@mainstream.rs
Registered2010-11-17
Last updated2025-10-21

IPv4 prefixes

35 prefixes · 19,456 addresses
NetworkAddressesFirst – last address
206.15.32.0/204,096206.15.32.0 – 206.15.47.255
87.237.200.0/212,04887.237.200.0 – 87.237.207.255
91.214.200.0/221,02491.214.200.0 – 91.214.203.255
91.222.4.0/221,02491.222.4.0 – 91.222.7.255
92.249.52.0/221,02492.249.52.0 – 92.249.55.255
185.29.100.0/221,024185.29.100.0 – 185.29.103.255
185.167.144.0/221,024185.167.144.0 – 185.167.147.255
188.93.120.0/221,024188.93.120.0 – 188.93.123.255
91.185.218.0/2351291.185.218.0 – 91.185.219.255
87.237.201.0/2425687.237.201.0 – 87.237.201.255
87.237.202.0/2425687.237.202.0 – 87.237.202.255
87.237.203.0/2425687.237.203.0 – 87.237.203.255
87.237.204.0/2425687.237.204.0 – 87.237.204.255
87.237.205.0/2425687.237.205.0 – 87.237.205.255
87.237.206.0/2425687.237.206.0 – 87.237.206.255
87.237.207.0/2425687.237.207.0 – 87.237.207.255
91.185.199.0/2425691.185.199.0 – 91.185.199.255
91.185.223.0/2425691.185.223.0 – 91.185.223.255
91.222.4.0/2425691.222.4.0 – 91.222.4.255
91.222.5.0/2425691.222.5.0 – 91.222.5.255
91.222.6.0/2425691.222.6.0 – 91.222.6.255
91.222.7.0/2425691.222.7.0 – 91.222.7.255
185.29.100.0/24256185.29.100.0 – 185.29.100.255
185.29.101.0/24256185.29.101.0 – 185.29.101.255
185.29.102.0/24256185.29.102.0 – 185.29.102.255
The 25 largest of 35. The API and the database have all of them.

IPv6 prefixes

3 prefixes
  • 2a04:2e40::/29
  • 2a04:2e40::/34
  • 2a04:2e40:4000::/34

Query AS51859 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=AS51859&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS51859, with or without a key:

curl "https://api.ipapi.is/?q=206.15.32.1"

Largest networks in Serbia

AS8400 TELEKOM SRBIJA a.d.1,057,792 IPv4 addressesAS31042 Yettel d.o.o.562,432 IPv4 addressesAS208398 Edge Technology Plus d.o.o. Beograd207,872 IPv4 addressesAS13092 Akademska mreza Republike Srbije - AMRES148,480 IPv4 addressesAS13303 University of Nis131,072 IPv4 addressesAS9125 Drustvo za telekomunikacije Orion telekom doo Beograd-Zemun113,152 IPv4 addresses