AS51859

Name: AS51859 — Mainstream doo Beograd
Creator: ipdex

Mainstream doo Beograd Content registered in Serbia

35IPv4 prefixes

3IPv6 prefixes

97%RPKI-valid

#36,898AS Rank

326/326RIS visibility

#8Rank in Serbia

2010-11-17Allocated

Mainstream doo Beograd (AS51859) — Content, registered in Serbia. announces 35 IPv4 prefixes + 3 IPv6 prefixes. Rank in Serbia: #8. Allocated: 2010-11-17.

IPv4 35IPv6 3

Announced prefixes · 38

v4 185.167.144.0/22 valid
v4 185.167.146.0/24 valid
v4 185.167.147.0/24 valid
v4 185.168.19.0/24 unknown
v4 185.29.100.0/22 valid
v4 185.29.100.0/24 valid
v4 185.29.101.0/24 valid
v4 185.29.102.0/24 valid
v4 185.29.103.0/24 valid
v4 188.93.120.0/22 valid
v4 188.93.120.0/24 valid
v4 188.93.121.0/24 valid
v4 188.93.122.0/24 valid
v4 188.93.123.0/24 valid
v4 206.15.32.0/20 valid
v4 212.72.214.0/24 valid
v4 213.91.181.0/24 valid
v4 87.237.200.0/21 valid
v4 87.237.201.0/24 valid
v4 87.237.202.0/24 valid
v4 87.237.203.0/24 valid
v4 87.237.204.0/24 valid
v4 87.237.205.0/24 valid
v4 87.237.206.0/24 valid
v4 87.237.207.0/24 valid
v4 91.185.199.0/24 valid
v4 91.185.218.0/23 valid
v4 91.185.223.0/24 valid
v4 91.214.200.0/22 valid
v4 91.222.4.0/22 valid
v4 91.222.4.0/24 valid
v4 91.222.5.0/24 valid
v4 91.222.6.0/24 valid
v4 91.222.7.0/24 valid
v4 92.249.52.0/22 valid
v6 2a04:2e40:4000::/34 valid
v6 2a04:2e40::/29 valid
v6 2a04:2e40::/34 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 35 IPv4 · 3 IPv6 announced · RIS visibility 326/326 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	38
2026-06-13	38

Internet Exchanges · 1

SOX Serbia Belgrade/Serbia 40 Gbps

Facilities · 5

5 Facilities · 3 Countries

AS topology · Customer cone 1

Providers · 7

AS21215 UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd
AS8400 TELEKOM SRBIJA a.d.
AS8866 Vivacom Bulgaria EAD
AS3212 Telemach Slovenija d.o.o.
AS13004 Serbian Open Exchange DOO
AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o.

Peers · 1

AS24940 Hetzner Online GmbH

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