Data as of Nov 13, 2026
77.104.210.0/24
No anonymizer space · no proxy exits in 30 daysISP Alliance a.s. · space held by CoProSys a.s.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 77.104.192.0/18 since Dec 2006 | AS39906 | Residential | 55 3 always on | CoProSys a.s. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 77.104.192.0/18 | 16,384 | CZ-COPROSYS-20061128 | CoProSys a.s. (ORG-CA781-RIPE) · CZ | ALLOCATED PA | Nov 28, 2006 | abuse@ |
| └ 77.104.210.0/24 | 256 | NET_ | System NET Line (ORG-SNL68-RIPE) · CZ | ASSIGNED PA | May 27, 2008 | abuse@ |
Network & registry
Registry
Holder
- Organization
- CoProSys a.s.
- Handle
- ORG-CA781-RIPE
- Range
- 77.
104. 192. 0/ 18 - Registration type
- ALLOCATED PA
- Record created
- Nov 28, 2006
Origin network
AS201476
CZ
- Name
- ISP Alliance a.s.
- Type
- Internet provider
- Registered
- Oct 15, 2014
- Domain
- ispalliance.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2017
- Current origin since
- Aug 2017 · 9.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 77.104.210.0/24 | AS201476 | /24 | RIPE | RPKI valid |
| 77.104.192.0/18 | AS39906 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS201476 | RIPE | COPROSYS-MNT | Mar 2, 2017 |
Whois
Registration for this announcement
- Range
- 77.
104. 210. 0/ 24 - Netname
- NET_
LINE-CZ - Registrant
- System NET Line
- Registrant country
- CZ
- Organization
- System NET Line (ORG-SNL68-RIPE)
- Org country
- CZ
- Type
- ASSIGNED PA
- Created
- May 27, 2008
- Updated
- May 6, 2021
- Maintainer
- COPROSYS-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Nov 28, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
line. cz - Name
- System NET Line s. r. o.
- Handle
- SNLS1-RIPE