AS57304 — RETNRU-AS JSC "RetnNet"

AS57304 announces 7 IPv4 prefixes covering 12,288 addresses and 1 IPv6 prefixes.

About this network

RETNRU-AS is operated by JSC "RetnNet".

What it's used for

• The address space carries residential and business internet access, evidenced by netnames such as RU-RETNNET-20050824, RETN-RU, and RETN-NET registered to JSC RetnNet.
• With 12,032 IPv4 addresses announced across 7 prefixes and 572 observed neighbours, the high neighbour-to-address ratio indicates a transit or peering-heavy role rather than a large-scale access network.
• Traffic from this AS consists of subscriber internet access for regional customers in the Russian Federation, including both residential and small business users.

Notable

• Registrants for six of the seven announced prefixes align with the announcer, listing JSC RetnNet or JSC "RetnNet" as the holder.
• The prefix 81.27.248.0/24 is registered to IP NOC RASCOM with netname Kulyamzin, and its reverse DNS points to rascom.as20764.net, indicating leased or historical space from RASCOM.
• The inventory includes two /32 IPv6 prefixes and a mix of /20, /21, /22, and /24 IPv4 blocks, with all announced blocks located in the Russian Federation.

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

Announced prefixes

• 46.8.177.0/24
• 46.46.188.0/23
• 87.245.192.0/20
• 109.248.196.0/24
• 139.45.224.0/20
• 139.45.240.0/21
• 185.134.72.0/22
• 2a02:2d9::/32

Upstream networks

• AS9002 RETN Limited
• AS6939 Hurricane Electric LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS212024 Marc Schmitt
• AS34019 Hivane Association
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS213241 TECHIT.BE SRL
• AS48185 team.blue NV
• AS37721 Virtual Technologies & Solutions
• AS48362 Stadtwerke Feldkirch
• AS50673 Serverius Holding B.V.
• AS34927 iFog GmbH
• AS4657 StarHub Ltd
• AS33891 Core-Backbone GmbH
• AS293 ESnet
• AS12552 GlobalConnect AB
• AS8551 Bezeq International Ltd.
• AS37100 SEACOM Limited
• AS56662 Marcin Gondek
• AS29632 Netassist International EOOD

Downstream networks

• AS214822 MT FINANCE LLC
• AS9123 JSC "TIMEWEB"
• AS28840 PJSC "TATTELECOM"
• AS48096 Enterprise Cloud Ltd.
• AS48282 Hosting technology LTD
• AS216246 Aeza Group LLC
• AS35278 SPRINTHOST.RU LLC
• AS25532 LLC "MASTERHOST"
• AS48158 DigitalOne AG
• AS24955 JSC "Ufanet"
• AS9049 JSC "ER-Telecom Holding"
• AS41535 LLC "ASTRA CLOUD"
• AS198770 Virtual infrastructures Ltd.
• AS35645 Limited Liability Company "VLADINFO"
• AS12418 Quantum CJSC
• AS203273 NetCrafters OU
• AS205952 LLC "ASTRA CLOUD"
• AS51219 K2 Integration JSC
• AS15672 OOO Telecom TZ
• AS48763 LLC "SMART CENTER"
• AS50867 HOSTKEY B.V.
• AS44128 Internet-Pro LLC
• AS31214 TIS Dialog LLC
• AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
• AS60042 OnTelecom LLC

Adjacent networks

• AS9049 JSC "ER-Telecom Holding"
• AS9002 RETN Limited
• AS34549 meerfarbig GmbH & Co. KG
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS50300 CustodianDC Limited
• AS213241 TECHIT.BE SRL
• AS8551 Bezeq International Ltd.
• AS37100 SEACOM Limited
• AS6939 Hurricane Electric LLC
• AS17639 Converge ICT Solutions Inc.
• AS48362 Stadtwerke Feldkirch
• AS12552 GlobalConnect AB
• AS48185 team.blue NV
• AS4657 StarHub Ltd
• AS37721 Virtual Technologies & Solutions
• AS9123 JSC "TIMEWEB"
• AS50673 Serverius Holding B.V.
• AS214822 MT FINANCE LLC
• AS197068 HLL LLC
• AS28840 PJSC "TATTELECOM"
• AS8985 Join-stock company "Internet Exchange"MSK-IX"
• AS24482 SG.GS
• AS34019 Hivane Association
• AS8732 JSC Comcor
• AS48096 Enterprise Cloud Ltd.

Routing security

• RPKI: 7 valid, 0 invalid and 0 not-found announcements; 10 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 9 route objects.
• Listed in as-sets: AS-AZERSATMEMBERS, AS-AZRT-AZ, AS-CIREX, AS-COMCOR, AS-COMCOR-EU, AS-COMCOR-STK, AS-IHOME, AS-MANDA-AMSIX-PEERS-V4, AS-MANDA-AMSIX-PEERS-V6, AS-MANDA-DECIX-PEERS-V4, AS-MANDA-DECIX-PEERS-V6, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-SETEVYEPROEKTY, AS-UNINET-AZ, AS197068:AS-RETN-CONFED, AS197068:AS-UPSTREAMS, AS57304:AS-RETN-RU, AS57304:AS-RETN6-RU, AS6695:AS-DECIX-FRA-CONNECTED, AS6695:AS-DECIX-FRA-RS, AS6695:AS-DECIX-FRA-RS-V6, AS6777:AS-AMS-IX-RS, AS6777:AS-AMS-IX-RS-V6, AS680:AS-AMSIX-RS-PEERS.

Internet exchanges

• DE-CIX Frankfurt — Frankfurt, Germany
• AMS-IX Amsterdam — Amsterdam, Netherlands
• Netnod Sundsvall- Gävle — Sundsvall, Sweden