All ASNs

Autonomous System details for AS203273

AS203273

NetCrafters OU • netcrafters.host

AS203273 — NetCrafters OU

AS Name

NetCraftersOU

Country

Estonia (EE)

Website

netcrafters.host

Number of IPv4

16,640

Number of IPv6

9.9 × 10²⁷

ASN type

Business

Status

Allocated

Registry

RIPE

Allocated

December 03, 2025

Last updated

June 04, 2026

IP Ranges

64 IPv4 prefixes, 3 IPv6 prefixes

Prefix	Company	Number of IPs
62.60.152.0/24	NetCrafters OU	256
62.60.153.0/24	NetCrafters OU	256
62.60.155.0/24	NetCrafters OU	256
62.60.216.0/24	NetCrafters OU	256
62.60.217.0/24	RTM GmbH	256
62.60.235.0/24	NetCrafters OU	256
62.60.244.0/24	NetCrafters OU	256
62.60.245.0/24	RTM GmbH	256
62.60.246.0/24	NetCrafters OU	256
62.60.247.0/24	RTM GmbH	256
62.60.248.0/24	NetCrafters OU	256
62.60.249.0/24	RTM GmbH	256
62.60.250.0/24	NetCrafters OU	256
62.60.251.0/24	NetCrafters OU	256
77.110.109.0/24	NetCrafters OU	256
77.110.114.0/24	NetCrafters OU	256
77.110.115.0/24	NetCrafters OU	256
77.110.119.0/24	NetCrafters OU	256
77.110.122.0/24	NetCrafters OU	256
77.110.123.0/24	NetCrafters OU	256
77.110.124.0/24	Aeza International LTD	256
77.110.125.0/24	NetCrafters OU	256
77.110.126.0/24	Aeza International LTD	256
77.110.127.0/24	Aeza International LTD	256
83.147.192.0/24	NetCrafters OU	256
83.147.216.0/24	NetCrafters OU	256
83.147.252.0/24	Hypercore Ltd	256
83.147.253.0/24	NetCrafters OU	256
83.147.254.0/24	NetCrafters OU	256
83.147.255.0/24	NetCrafters OU	256
91.186.212.0/24	NetCrafters OU	256
91.186.213.0/24	NetCrafters OU	256
91.186.216.0/24	Hypercore Ltd	256
91.186.217.0/24	NetCrafters OU	256
91.186.218.0/24	Hypercore Ltd	256
91.186.219.0/24	NetCrafters OU	256
95.181.173.0/24	NetCrafters OU	256
138.124.60.0/24	NetCrafters OU	256
138.124.123.0/24	AEZA GROUP LLC	256
178.253.55.0/24	NetCrafters OU	256
185.173.144.0/24	Nadezhda Ershova	256
185.173.145.0/24	NetCrafters OU	256
185.173.146.0/24	NetCrafters OU	256
185.173.147.0/24	NetCrafters OU	256
193.233.130.0/24	AEZA GROUP LLC	256
193.233.131.0/24	AEZA GROUP LLC	256
193.233.202.0/23	OOO AGROSNAB	512
193.233.202.0/24	OOO AGROSNAB	256
193.233.203.0/24	NetCrafters OU	256
194.67.201.0/24	NetCrafters OU	256
213.165.45.0/24	NetCrafters OU	256
213.165.47.0/24	NetCrafters OU	256
213.165.50.0/24	NetCrafters OU	256
213.165.51.0/24	NetCrafters OU	256
213.176.74.0/24	NetCrafters OU	256
213.176.75.0/24	NetCrafters OU	256
213.176.92.0/24	NetCrafters OU	256
213.176.93.0/24	NetCrafters OU	256
213.176.94.0/24	NetCrafters OU	256
213.176.95.0/24	NetCrafters OU	256
213.176.116.0/24	RTM GmbH	256
213.176.117.0/24	NetCrafters OU	256
213.176.118.0/24	RTM GmbH	256
213.176.119.0/24	NetCrafters OU	256
2a01:e5c0:9000::/36	Aeza International LTD	4.95 × 10²⁷
2a01:e5c0:f000::/36	Aeza International LTD	4.95 × 10²⁷
2a0e:d606::/48	NetCrafters OU	1.21 × 10²⁴

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 AS203273

11 peers

AS6939 AS24940 AS32590 AS35598 AS37721 AS47692 AS50673 AS57304 AS41327 AS208972 AS209823

AS203273 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 AS203273

4 upstreams

AS9002 AS30823 AS31500 AS216246

AS203273 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS203273 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS203273

0 downstreams

AS203273 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.