AS21379 — ISV-AS
AS21379 announces 3 IPv4 prefixes covering 1,024 addresses and 0 IPv6 prefixes.
About this network
The AS handle ISV-AS is held by LLC TC "Interzvyazok".
What it's used for
- The address space carries corporate infrastructure, evidenced by reverse DNS entries pointing to intersv.com (e.g., 217.147.160.128.intersv.com).
- The network announces 1024 IPv4 addresses across 3 prefixes and maintains 6 observed neighbours, a ratio consistent with a business or internal corporate estate rather than a large-scale access provider.
Notable
- Registrants for the largest prefixes (UA-ISV-20010302 and ISV3) align with the announcer, LLC TC "Interzvyazok".
- The inventory consists of three contiguous IPv4 blocks within the 217.147.160.0/22 range, with no IPv6 prefixes announced.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 217.147.160.0/23
- 217.147.163.0/24
- 217.147.164.0/24
Upstream networks
Downstream networks
- AS44892 FOP Muhametdinov Oleg Angamovitch
Adjacent networks
BGP / ASN / CIDR
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IPv4
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IPv6
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Search Results
IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED