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Jaroslav Novotny

Jaroslav Novotny uses 3,840 IPv4 addresses in 5 ranges, and 1 IPv6 range, by the registry records IP Company reads.

netopen.cz·Czechia

3,840
IPv4 addresses
5
IPv4 ranges
1
IPv6 range
1
AS it operates
1
country

Who routes its space

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

  1. AS16019 Vodafone Czech Republic a.s.1,792 · 46.67%
  2. AS41030 Jaroslav Novotny1,792 · 46.67%

Where its space is

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

  1. Czechia3,840 · 100.00%

Networks it operates

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

ASNNAMETYPEREGISTEREDIPV4
AS41030Jaroslav NovotnyISPCzechia1,792

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
57.6 Mbps
median download
17.8 Mbps
median upload
6
download tests
4
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
31.134.216.0/221,024AS41030
31.134.220.0/23512AS41030
31.134.222.0/24256AS41030
88.146.212.0/221,024AS16019
77.48.217.0/24256AS16019
77.48.218.0/24256AS16019
31.134.223.0/24256
62.240.169.0/24256AS16019
2001:67c:2194::/48

Names it registers under

The holder names its registry records give, by the IPv4 under each.

  1. Jaroslav Novotny2,048 · 53.33%
  2. Jaroslav Novotny - NetOpen1,536 · 40.00%
  3. NetOpen256 · 6.67%
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