Autonomous systems
AS43542 OPTONET-AS
IPv4 prefixes
2
IPv4 addresses
7,936
IPv6 prefixes
1
Registered
2007-08-20
whois.ripe.net
At a glance
- Country
- 🇨🇿 Czechia
- Network type
- Residential
- Registry name
- OptoNet-AS AS43542
- registrant
- MNT-OPTONET
- registrant
- OptoNet Communication, spol. s.r.o.
- registrant
- RIPE-NCC-END-MNT
- administrative, technical
- Tichy Josef
IPv4 prefixes
Page 1
| CIDR | First address | Last address | Addresses |
|---|---|---|---|
| 78.156.128.0/21 | 78.156.128.0 | 78.156.139.255 | 3,072 |
| 78.156.141.0/24 | 78.156.141.0 | 78.156.159.255 | 4,864 |
IPv6 prefixes
1
2a00:d940::/32