Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS39311

Announcement observedRIPE NCC

CS-CRI Mainstream doo Beograd · CS-CRI

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/3/2026, 06:16:22Snapshot expired

View network topology RDAP registration

ASN: AS39311
Registration country: Serbia
Name: CS-CRI Mainstream doo Beograd
Abbreviation: CS-CRI
Registration date: 1/27/2006, 14:14:22
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
87.237.200.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/4/2026, 16:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: CS-CRI Mainstream doo Beograd
RIR: RIPE NCC
Registration country: Serbia
Registration date: 1/27/2006, 14:14:22
Abuse contact: abuse@mainstream.rs

Snapshot trend

10/3/2026, 06:16:221 v40 v67 Upstream · 1 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap