AS25532 — MASTERHOST-AS LLC "MASTERHOST"

Network type: hosting

AS25532 announces 10 IPv4 prefixes covering 12,544 addresses and 1 IPv6 prefixes.

About this network

The AS handle MASTERHOST-AS is operated by LLC "MASTERHOST".

What it's used for

• The address space carries hosting infrastructure, evidenced by the reverse DNS record mta1026.justclick.ru and netnames such as RU-MASTERHOST-20040421.
• The AS announces 12544 IPv4 addresses across 19 prefixes and 17 IPv6 prefixes, with 28 observed neighbours, indicating a hosting provider role rather than a transit carrier.

Notable

• Registrants for all sampled prefixes are consistent with the announcer, listing MASTERHOST NOC; LLC "MASTERHOST".
• The address inventory is finely subdivided into /22, /23, and /24 blocks, typical of a corporate or hosting estate managing distinct customer or service segments.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 83.222.4.0/23
• 83.222.12.0/22
• 87.242.64.0/23
• 87.242.67.0/24
• 87.242.68.0/22
• 87.242.72.0/22
• 87.242.80.0/22
• 90.156.128.0/20
• 90.156.200.0/21
• 90.156.240.0/22
• 2a00:15f8::/32

Upstream networks

• AS57304 JSC "RetnNet"
• AS50509 Transroute Telecom LTD
• AS6939 Hurricane Electric LLC
• AS59692 IQWeb FZ-LLC
• AS9002 RETN Limited
• AS24482 SG.GS
• AS49673 Truenetwork LLC
• AS37721 Virtual Technologies & Solutions
• AS34927 iFog GmbH
• AS57724 DDOS-GUARD LTD
• AS25091 IP-Max SA
• AS50629 LWLcom GmbH

Adjacent networks

• AS57304 JSC "RetnNet"
• AS50509 Transroute Telecom LTD
• AS6939 Hurricane Electric LLC
• AS59692 IQWeb FZ-LLC
• AS9002 RETN Limited
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS49673 Truenetwork LLC
• AS34927 iFog GmbH
• AS57724 DDOS-GUARD LTD
• AS25091 IP-Max SA
• AS50629 LWLcom GmbH

Routing security

• RPKI: 0 valid, 0 invalid and 41 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 85% of announcements registered; 43 route objects.
• Listed in as-sets: AS-BLOCK-SET, AS-BLOCKED-RU, AS-BTN-CUSTOMERS, AS-DDOS-GUARD, AS-HURRICANE, AS-HURRICANEV6, AS-INDRIK, AS-KDP-RUSSIA, AS-MASTERHOST, AS-MASTERHOST-TEMP, AS-MASTERHOST-TRANSIT, AS-MASTERHOST6, AS-MTU, AS-MTU2, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-TRANSROUTE-QUICKFIX, AS-TRANSROUTE-SPEC, AS59692:AS-IQWEB.

Internet exchanges

• MSK-IX Moscow — Moscow, Russia