Data as of Nov 14, 2026
91.245.6.0/23
No anonymizer space · no proxy exits in 30 daysFast Communication, s.r.o.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 91.245.6.0/24 since Jun 2022 | AS50398 | Residential | Fast Communication, s.r.o. | |
| 91.245.7.0/24 since Dec 2024 | AS50398 | Residential | Fast Communication, s.r.o. |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 91.245.6.0/23 | 512 | FASTCOM-NET | Fast Communication, s.r.o. (ORG-FAST3-RIPE) · CZ | ASSIGNED PI | Aug 23, 2016 | alexnvis@ |
Network & registry
Announced by
Covering announcement 91.245.0.0/21
- Prefix
- 91.245.0.0/21
- Announced by
- AS50398 Fast Communication, s.r.o.
- Type
- Residential
- Proxy exits
- 2
- RPKI
- No RPKI
- RIR
- RIPE NCC
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS50398
CZ
- Name
- Fast Communication, s.r.o.
- Type
- Internet provider
- Registered
- Sep 16, 2010
- Domain
- fastcom.cz
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 91.245.0.0/21
91.245.0.0/21
Routing history
- Pattern
- Stable
- First seen
- Dec 2024
- Current origin since
- Dec 2024 · 1.9 yr
- Origin networks
- 1
Whois
Registration for this announcement
91.245.0.0/21 spans several registrations: 3 records are listed under Registrations.
- Registrant country
- EU
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Aug 17, 2012
- Status
- assigned