Data as of Nov 13, 2026
90.176.170.0/24
No anonymizer space · no proxy exits in 30 daysO2 Czech Republic, a.s.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 90.176.128.0/17 since Feb 2019 | AS5610 | Residential | 117 10 always on | O2 Czech Republic, 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 |
|---|---|---|---|---|---|---|
| 90. | 516,096 | CZ-CZNET-20061017 | O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ | ALLOCATED PA | Nov 4, 2015 | abuse@ |
| └ 90.176.170.0/24 | 256 | NEXTEL-XDSL | XDSL Network-ADSL | ASSIGNED PA | Mar 11, 2008 | abuse@ via CZ-CZNET-20061017 |
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
Registry
Holder
- Organization
- O2 Czech Republic, a.s.
- Handle
- ORG-STAN1-RIPE
- Range
- 90.
176. 32. 0 - 90. 183. 255. 255 - Registration type
- ALLOCATED PA
- Record created
- Nov 4, 2015
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 90.176.170.0/24 | AS5610 | /24 | RIPE | RPKI valid |
| 90.176.128.0/17 | AS5610 | /17 | RIPE | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5610 | RIPE | AS5610-MTN | Aug 31, 2025 |
Whois
Registration for this announcement
- Range
- 90.
176. 170. 0/ 24 - Netname
- NEXTEL-XDSL
- Registrant
- XDSL Network-ADSL
- Registrant country
- CZ
- Organization
- XDSL Network-ADSL
- Org country
- CZ
- Type
- ASSIGNED PA
- Created
- Mar 11, 2008
- Updated
- Mar 11, 2008
- Maintainer
- AS5610-MTN
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Sep 17, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2. cz - Name
- Abuse-C Role
- Handle
- AR14410-RIPE