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Autonomous System details for AS51973

AS51973
Koltushsky Internet Ltd • kolt-internet.ru

AS51973 — Koltushsky Internet Ltd

AS Name
KOLT-AS
Country
Russia (RU)
Website
Number of IPv4
8,192
Number of IPv6
0
ASN type
Business
Status
Allocated
Registry
RIPE
Allocated
December 09, 2010
Last updated
December 30, 2025

IP Ranges

2 IPv4 prefixes
Prefix Company Number of IPs
46.149.32.0/20 Koltushsky Internet Ltd 4,096
81.163.240.0/20 Koltushsky Internet Ltd 4,096

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS51973

19 peers

AS51973 peers with these other Autonomous Systems.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS51973

3 upstreams

AS51973 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS51973 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS51973

2 downstreams

AS51973 provides internet connectivity to these downstream Autonomous Systems.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.

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