AS44546 is the autonomous system of ALFA TELECOM s.r.o.. It holds 110,336 IPv4 addresses in 88 prefixes, mainly in 
Czechia.
By IPv4 addresses the network ranks #1,775 worldwide and #13 of 562 networks in Czechia. That is 1.3% of the country’s IPv4 space.
The network spreads across six or more countries: Czechia 79%, Russia 14%, Netherlands 2.5%.
The largest block is 92.253.128.0 to 92.253.191.255 with 16,384 addresses, geolocated to Prague (Praha 11).
- IPv4 addresses
- 110,336
- IPv4 prefixes
- 88
- World rank
- #1,775
- Country share
- 1.3%
Addresses by country
- Czechia 79%
Russia 14%
Netherlands 2.5%
Syria 2.0%
United Kingdom 1.2%
Uzbekistan 1.2%
Largest blocks
- 92.253.128.0 Prague (Praha 11)16,384
- 95.46.232.0 Vestec (Praha 11)14,336
- 95.47.64.0 Vestec (Praha 11)8,192
- 92.38.96.0 Vestec (Praha 11)8,192
- 31.148.64.0 Vestec (Praha 11)8,192
- 95.47.204.0 Prague7,168
- 31.148.176.0 Prague4,096
- 95.47.40.0 Prague3,072
Networks of similar size
- AS58542 Tianjij,300000
110,592 - AS24436 Australian Academic and Research Network
110,592 - AS24033 Australian Private Networks Pty Ltd110,592
- AS26827 EPB Fiber Optics
110,336 - AS51407 Mada Al-Arab General Services Company
110,080 - AS30781 Free Pro SAS
110,080 - AS38341 HEXIE Information technology Co., Ltd.109,824
- AS8319 NETHINKS GmbH
109,824
IPv4 prefixes
- 31.148.25.0/24
- 31.148.31.0/24
- 31.148.64.0/19
- 31.148.98.0/24
- 31.148.128.0/22
- 31.148.142.0/23
- 31.148.152.0/21
- 31.148.176.0/20
- 31.148.200.0/24
- 31.148.212.0/22
- 31.148.216.0/24
- 31.148.220.0/24
- 31.148.222.0/24
- 31.148.242.0/23
- 31.148.247.0/24
- 91.201.20.0/22
- 92.38.34.0/24
- 92.38.46.0/23
- 92.38.84.0/23
- 92.38.93.0/24
- 92.38.94.0/24
- 92.38.96.0/19
- 92.253.128.0/18
- 92.253.201.0/24
- 92.253.210.0/24
- 92.253.220.0/22
- 92.253.224.0/21
- 93.170.14.0/24
- 93.170.54.0/24
- 93.170.79.0/24
- 93.170.81.0/24
- 93.170.98.0/23
- 93.170.142.0/24
- 93.170.176.0/23
- 93.170.224.0/21
- 93.170.242.0/23
- 93.170.255.0/24
- 93.171.12.0/23
- 93.171.143.0/24
- 93.171.174.0/24
- 93.171.213.0/24
- 95.46.28.0/22
- 95.46.109.0/24
- 95.46.122.0/23
- 95.46.126.0/23
- 95.46.150.0/23
- 95.46.184.0/21
- 95.46.216.0/21
- 95.46.232.0/21
- 95.46.240.0/20
- 95.47.0.0/19
- 95.47.40.0/21
- 95.47.48.0/22
- 95.47.54.0/23
- 95.47.64.0/19
- 95.47.100.0/23
- 95.47.106.0/23
- 95.47.126.0/24
- 95.47.128.0/21
- 95.47.137.0/24
- 95.47.139.0/24
- 95.47.141.0/24
- 95.47.157.0/24
- 95.47.158.0/23
- 95.47.166.0/24
- 95.47.172.0/24
- 95.47.177.0/24
- 95.47.204.0/22
- 95.47.208.0/20
- 95.47.224.0/21
- 95.47.245.0/24
- 146.120.21.0/24
- 146.120.24.0/21
- 146.120.171.0/24
- 146.120.180.0/22
- 146.120.185.0/24
- 146.120.204.0/23
- 146.120.206.0/24
- 146.120.228.0/23
- 146.120.235.0/24
- 146.120.242.0/24
- 146.158.5.0/24
- 146.158.7.0/24
- 146.158.31.0/24
- 146.158.72.0/24
- 146.158.78.0/24
- 146.158.89.0/24
- 185.67.252.0/24
Questions and answers
Who owns AS44546?
Autonomous system AS44546 is operated by ALFA TELECOM s.r.o..
How many IP addresses does AS44546 have?
The network holds 110,336 IPv4 addresses in 88 prefixes.
Which country is AS44546 in?
The main country is Czechia, with addresses in 5 more countries.
How big is AS44546?
By IPv4 addresses it ranks #1,775 worldwide.
What is the largest address block of AS44546?
92.253.128.0 to 92.253.191.255, 16,384 addresses.