Autonomous System

AS13092 Akademska mreza Republike Srbije - AMRES

ISPActiveSerbiaRIPE

AS13092 (UB-AS) is an ISP network operated by Akademska mreza Republike Srbije - AMRES in Serbia, registered with RIPE. It has 7 IPv4 prefixes with 148,480 addresses and 1 IPv6 prefix, which makes it the 1,603rd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses148,480in 7 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#1,603of 82,200 active ASNs
Abuser scoreLow0.11% of its addresses flagged · method

Details

OrganizationAkademska mreza Republike Srbije - AMRES
AS nameUB-AS
Websiteamres.ac.rs
Country Serbia (RS)
Network typeISP
RegistryRIPE
Abuse contactcsirt@amres.ac.rs
Registered1970-01-01
Last updated2026-09-04

IPv4 prefixes

7 prefixes · 148,480 addresses
NetworkAddressesFirst – last address
147.91.0.0/1665,536147.91.0.0 – 147.91.255.255
147.91.0.0/1732,768147.91.0.0 – 147.91.127.255
147.91.128.0/1732,768147.91.128.0 – 147.91.255.255
91.187.128.0/198,19291.187.128.0 – 91.187.159.255
91.187.128.0/204,09691.187.128.0 – 91.187.143.255
91.187.144.0/204,09691.187.144.0 – 91.187.159.255
185.181.68.0/221,024185.181.68.0 – 185.181.71.255

IPv6 prefixes

1 prefix
  • 2001:4170::/32

Query AS13092 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=AS13092&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS13092, with or without a key:

curl "https://api.ipapi.is/?q=147.91.0.1"

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