AS21191 — ASN-SEVERTTK

AS21191 announces 7 IPv4 prefixes covering 25,600 addresses and 1 IPv6 prefixes.

About this network

ASN-SEVERTTK is operated by Joint Stock Company TransTeleCom.

What it's used for

• The address space is registered under netnames such as RU-TRANSTELECOM-20010919 and RU-TRANSTELECOM-20040521, with registrants listed as TTC NOC; Joint Stock Company TransTeleCom.
• The AS announces 25,600 IPv4 addresses across 10 prefixes and 25 IPv6 prefixes, while maintaining only 3 observed neighbours, a ratio indicative of a transit or backbone provider rather than an access network.

Notable

• All registrants for the announced prefixes align with the announcer, consistently identifying TTC NOC; Joint Stock Company TransTeleCom.
• The inventory consists of a mix of /19, /20, /21, and /22 blocks, including ranges like 80.92.0.0/19 and 83.69.0.0/20, reflecting a consolidated corporate estate.

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

Announced prefixes

• 5.43.240.0/21
• 5.178.24.0/21
• 37.99.216.0/21
• 80.92.0.0/19
• 83.69.0.0/19
• 149.154.112.0/21
• 185.2.184.0/22
• 2a02:530::/32

Upstream networks

• AS20485 Joint Stock Company TransTeleCom
• AS15774 Limited Liability Company "TTK-Svyaz"

Downstream networks

• AS15774 Limited Liability Company "TTK-Svyaz"
• AS13105 INFORM LLC

Adjacent networks

• AS20485 Joint Stock Company TransTeleCom
• AS15774 Limited Liability Company "TTK-Svyaz"
• AS13105 INFORM LLC

Routing security

• RPKI: 0 valid, 0 invalid and 66 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 92% of announcements registered; 93 route objects.
• Listed in as-sets: AS-ATEL-PEER, AS-BLOCK-SET, AS-BLOCKED-RU, AS-BTN-CUSTOMERS, AS-INAR-MSK, AS-STTK, AS-TTK6, AS3491:AS-CUSTOMERS-EU.