Skip to content
InternetData
HomeCompaniesAlza.cz a.s.
Business

Alza.cz a.s.

Alza.cz a.s. uses 1,729 IPv4 addresses in 21 ranges, and 1 IPv6 range, by the registry records IP Company reads.

alza.cz·Czechia

1,729
IPv4 addresses
21
IPv4 ranges
1
IPv6 range
1
AS it operates
4
countries

Who routes its space

The networks announcing its IPv4, by the addresses each announces.

  1. AS29208 Quantcom a.s.694 · 40.14%
  2. AS206591 Alza.cz a.s.256 · 14.81%
  3. AS21430 WIA spol. s.r.o.10 · 0.58%
  4. AS204165 Cznet s.r.o.1 · 0.06%

Where its space is

Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.

  1. Czechia1,984 · 96.88%
  2. Slovakia48 · 2.34%
  3. Austria8 · 0.39%
  4. Hungary8 · 0.39%

Networks it operates

The autonomous systems registered under its domain, by the IPv4 each announces anywhere.

ASNNAMETYPEREGISTEREDIPV4
AS206591Alza.cz a.s.BusinessCzechia256

What the databases see

Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.

Speed tests

Speeds measured from its space in the last 90 days.

From M-Lab
17.1 Mbps
median download
18.7 Mbps
median upload
22
download tests
19
upload tests

Its address ranges

Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, a CIDR a row, with the network announcing each.

RANGEIPV4ORIGIN
185.181.176.0/24256
185.181.177.0/24256AS206591
185.181.178.0/24256
185.181.179.0/24256
88.146.118.0/24256AS29208
195.250.141.0/25128AS29208
82.100.21.128/25128AS29208
213.175.38.128/2664AS29208
213.175.38.192/304AS29208
82.100.21.0/2664AS29208
82.113.44.80/2816AS29208
213.151.83.64/298AS29208
82.208.55.0/298AS21430
195.122.209.44/304AS29208
212.24.157.72/304AS29208
212.80.64.124/304AS29208
213.175.55.4/304AS29208
213.175.56.0/304AS29208
88.208.87.80/304AS29208
213.175.43.6/312AS29208
81.0.216.60/312AS21430
185.112.164.22/321AS204165
2a0a:d080::/29
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.