AS199599 — CIREX Telecom-Birzha, LLC

AS199599 announces 29 IPv4 prefixes covering 12,544 addresses and 1 IPv6 prefixes.

About this network

CIREX is operated by Telecom-Birzha, LLC.

What it's used for

• The address space carries infrastructure for a network service provider, with reverse DNS entries consistently formatted as .host.cirex.ru across multiple blocks.
• With 12,800 IPv4 addresses announced against 134 observed neighbours, the high neighbour-to-address ratio indicates a transit or NSP role rather than an access network.
• Traffic from this AS consists of upstream and downstream transit for regional Russian networks, consistent with its classification as a Regional NSP.

Notable

• Registrants for the majority of prefixes are Telecom-Birzha, LLC, matching the AS holder; one prefix (212.67.18.0/23) is registered to Adminidtrator Resource; Mikhail Tonkonog under netname RU-IPMAGNAT-19981027.
• The inventory is finely subdivided into 32 IPv4 prefixes, including several /23 and /24 blocks, suggesting segmented allocation for different customer or service segments.

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

Announced prefixes

• 77.238.96.0/21
• 86.110.202.0/23
• 86.110.216.0/24
• 86.110.218.0/23
• 89.20.60.0/23
• 89.20.62.0/24
• 91.194.212.0/23
• 176.122.30.0/24
• 185.9.229.0/24
• 185.9.230.0/23
• 185.79.116.0/23
• 185.79.119.0/24
• 185.79.237.0/24
• 185.79.239.0/24
• 185.123.77.0/24
• 185.123.79.0/24
• 193.32.190.0/24
• 194.190.52.0/24
• 194.190.72.0/23
• 194.226.240.0/24
• 195.19.164.0/22
• 195.114.119.0/24
• 195.208.194.0/24
• 212.46.47.0/24
• 212.67.18.0/23
• 217.77.104.0/23
• 217.77.106.0/24
• 217.77.108.0/23
• 217.77.110.0/24
• 2a03:5240::/32

Upstream networks

• AS201706 SERVICEPIPE LLC
• AS12389 PJSC Rostelecom
• AS31133 PJSC MegaFon
• AS20764 CJSC RASCOM
• AS20485 Joint Stock Company TransTeleCom
• AS3216 PJSC "Vimpelcom"
• AS49673 Truenetwork LLC
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS50673 Serverius Holding B.V.
• AS37721 Virtual Technologies & Solutions
• AS24482 SG.GS

Downstream networks

• AS197695 "Domain names registrar REG.RU", Ltd
• AS51219 K2 Integration JSC
• AS216246 Aeza Group LLC
• AS60216 Foundation for Assistance for Internet Technologies and Infrastructure Development
• AS34802 Commercial Bank "Renaissance Credit" LLC
• AS203273 NetCrafters OU
• AS200107 Kaspersky Lab Switzerland GmbH
• AS209930 DataSpace Partners LLC
• AS203714 LLC Flex
• AS201144 Infosecurity Ltd
• AS56351 Forais LLC
• AS205642 H-R JSC
• AS51698 "ActiveHost RU" LLC
• AS5589 JSC "BM-Bank"
• AS61285 Gulfstream Security Systems LLC
• AS199274 Serveroid, LLC
• AS205442 SMS Traffic LLC
• AS48287 JSC "RU-CENTER"
• AS20848 ROSBUSINESSCONSULTING JSC
• AS202164 Netcube LLC
• AS201012 KEH eCommerce LLC
• AS56975 Metrex Engineering LTD
• AS208577 JSC Edinaya Servisnaya Platforma
• AS205963 BURGER RUS LLC
• AS48757 TrustInfo LLC

Adjacent networks

• AS197695 "Domain names registrar REG.RU", Ltd
• AS12389 PJSC Rostelecom
• AS201706 SERVICEPIPE LLC
• AS20764 CJSC RASCOM
• AS20485 Joint Stock Company TransTeleCom
• AS31133 PJSC MegaFon
• AS51219 K2 Integration JSC
• AS48757 TrustInfo LLC
• AS48287 JSC "RU-CENTER"
• AS216246 Aeza Group LLC
• AS60216 Foundation for Assistance for Internet Technologies and Infrastructure Development
• AS34802 Commercial Bank "Renaissance Credit" LLC
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS203273 NetCrafters OU
• AS200107 Kaspersky Lab Switzerland GmbH
• AS50673 Serverius Holding B.V.
• AS209930 DataSpace Partners LLC
• AS37721 Virtual Technologies & Solutions
• AS49673 Truenetwork LLC
• AS203714 LLC Flex
• AS201144 Infosecurity Ltd
• AS56351 Forais LLC
• AS205642 H-R JSC
• AS24482 SG.GS
• AS51698 "ActiveHost RU" LLC

Routing security

• RPKI: 2 valid, 0 invalid and 40 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 95% of announcements registered; 56 route objects.
• Listed in as-sets: AS-8764-EXCLUDE-AMS-IX-RS, AS-BLOCK-SET, AS-BLOCKED-RU, AS-CIREX, AS-CIREX-DDOS, AS-CIREX-IPV6, AS-HURRICANE, AS-HURRICANEV6, AS-RETN-ACTUAL-V4, AS-ROSTELECOM, AS-TRANSROUTE-SPEC, AS1299:AS-TWELVE99-RU-V4, AS1299:AS-TWELVE99-RU-V6, AS34251:AS-RUFILE, AS3491:AS-CUSTOMERS-EU, AS41194:AS-RASCOM, AS6695:AS-DECIX-FRA-CONNECTED, AS6695:AS-DECIX-FRA-RS, AS6695:AS-DECIX-FRA-RS-V6.

Internet exchanges

• DE-CIX Frankfurt — Frankfurt, Germany
• MSK-IX Moscow — Moscow, Russia