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Autonomous System details for AS215305

AS215305

Mastersoft S.R.L. • retzor.com

AS215305 — Mastersoft S.R.L.

AS Name

retzor-as

Country

Moldova (MD)

Website

retzor.com

Number of IPv4

5,376

Number of IPv6

ASN type

Hosting

Status

Allocated

Registry

RIPE

Allocated

December 23, 2025

Last updated

February 24, 2026

IP Ranges

17 IPv4 prefixes

Prefix	Company	Number of IPs
5.180.97.0/24	Retzor-com	256
45.81.35.0/24	Retzor-com	256
45.151.183.0/24	Retzor-com	256
46.8.112.0/24	Mastersoft S.R.L.	256
46.8.113.0/24	Mastersoft S.R.L.	256
87.251.72.0/24	Mastersoft S.R.L.	256
103.112.68.0/23	Retzor, Inc.	512
103.112.70.0/23	Retzor, Inc.	512
103.118.208.0/23	Retzor, Inc.	512
103.119.18.0/23	Retzor, Inc.	512
103.200.28.0/24	Retzor-com	256
109.248.42.0/24	Mastersoft S.R.L.	256
144.48.10.0/24	Retzor-com	256
185.245.40.0/24	Delta Ltd	256
188.130.208.0/24	Mastersoft S.R.L.	256
192.145.98.0/24	Retzor-org	256
195.78.49.0/24	Retzor-com	256

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 AS215305

0 peers

AS215305 has no peers recorded.

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 AS215305

2 upstreams

AS51248 AS52000

AS215305 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS215305 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS215305

0 downstreams

AS215305 has no downstreams recorded.

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.