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Data as of Nov 7, 2026

81.94.37.0/24

No anonymizer space · no proxy exits in 30 days

Alpha Online Ltd

Announcement
this exact prefix
RPKI valid
Announced by
AS25251
Type
Business
50% of it

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
81.94.37.0/24256RU-ALPHA-20020809Alpha Online Ltd (ORG-AOL10-RIPE) · RUALLOCATED PADec 18, 2025abuse@alpha.moscow
└ 81.94.37.0/25128ARTCON-NETP2P customer's connection (MGRS)ASSIGNED PANov 18, 2010abuse@alpha.moscow
via RU-ALPHA-20020809
└ 81.94.37.128/25128KRUGOZOR-NETunknownSUB-ALLOCATED PAJun 9, 2005abuse@alpha.moscow
via RU-ALPHA-20020809
└ 81.94.37.128/2816KRUGOZOR-NETunknownASSIGNED PAJun 14, 2005abuse@alpha.moscow
via KRUGOZOR-NET
└ 81.94.37.192/2664ABCNET-MGRS-NETP2P customer's networks (MGRS)ASSIGNED PAMay 2, 2012abuse@alpha.moscow
via KRUGOZOR-NET

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business12850%3
Internet provider12850%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS25251

RU
Name
Alpha Online Ltd
Type
Internet provider
Registered
Sep 12, 2002
Domain
alpha.moscow
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed