Autonomous system profile

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

AS25511

Announcement observedRIPE NCC

ASN-NET21 JSC "RCS" · ASN-NET21

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

Last active10/1/2026, 18:15:44Snapshot expired

View network topology RDAP registration

ASN: AS25511
Registration country: Russia
Name: ASN-NET21 JSC "RCS"
Abbreviation: ASN-NET21
Registration date: 12/17/2002, 14:23:27
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
185.108.0.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	✓	×	Currently valid
217.12.240.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	✓	×	Currently valid
91.103.196.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: ASN-NET21 JSC "RCS"
RIR: RIPE NCC
Registration country: Russia
Registration date: 12/17/2002, 14:23:27
Abuse contact: lir@rucesv.ru

Snapshot trend

10/1/2026, 18:15:443 v40 v61 Upstream · 0 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