Autonomous system profile

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

AS57899

Announcement observedRIPE NCC

Nikita Sergienko · MASANDRA-AS

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

Last active10/5/2026, 20:07:26Snapshot expired

View network topology RDAP registration

ASN: AS57899
Registration country: Russia
Name: Nikita Sergienko
Abbreviation: MASANDRA-AS
Registration date: 3/7/2012, 14:07:31
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
91.236.135.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/21/2026, 16:00:00	10/5/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: Nikita Sergienko
RIR: RIPE NCC
Registration country: Russia
Registration date: 3/7/2012, 14:07:31
Abuse contact: sergienko.abuse@gmail.com

Snapshot trend

10/5/2026, 20:07:261 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 · iana-rdap-asn-bootstrap · rir-rdap-asn