Data as of Nov 6, 2026
85.163.33.128/27
No anonymizer space · no proxy exits in 30 daysCETIN a.s.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 85.162.0.0/15 since Jan 2017 | AS28725 | Residential | 864 128 always on | CETIN a.s. |
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 |
|---|---|---|---|---|---|---|
| 85.162.0.0/15 | 131,072 | CZ-CETIN-20041025 | CETIN a.s. (ORG-EPSS1-RIPE) · CZ | ALLOCATED PA | Feb 25, 2016 | abuse@ |
| └ 85.163.33.128/27 | 32 | Marsnet | Marsnet.cz | ASSIGNED PA | Jul 15, 2025 | abuse@ via CZ-CETIN-20041025 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 85.163.0.0/16
- Prefix
- 85.163.0.0/16
- Announced by
- AS28725 CETIN a.s.
- Type
- Residential
- Proxy exits
- 848
- Always-on exits
- 125
- RPKI
- RPKI valid
- Netname
- CZ-CETIN-20041025
- Registrant
- CETIN a.s.
- RIR
- RIPE NCC
Origin network
AS28725
CZ
- Name
- CETIN a.s.
- Type
- Internet provider
- Registered
- Feb 10, 2003
- Domain
- cetin.cz
- Website
- www.cetin.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
85.163.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Aug 2011
- Current origin since
- Nov 2018 · 8.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2018
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 85.162.0.0/15 | AS28725 | /24 | RIPE | RPKI valid |
IRR
Route objects on 85.163.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28725 | RIPE | CETIN | CETIN-MNT | Jan 12, 2017 |
Whois
Registration for this announcement
- Range
- 85.
162. 0. 0/ 15 - Netname
- CZ-CETIN-20041025
- Registrant
- CETIN a.s.
- Registrant country
- CZ
- Organization
- CETIN a.s. (ORG-EPSS1-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Feb 25, 2016
- Updated
- Sep 15, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Oct 25, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cetin. cz - Name
- CETIN hostmaster
- Handle
- CTN100-RIPE