Data as of Nov 12, 2026
37.152.124.0/22
No anonymizer space · no proxy exits in 30 daysO2 Business Services, a.s · space held by O2 Slovakia, 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 |
|---|---|---|---|---|---|---|
| 37.152.96.0/19 | 8,192 | SK-TO2SK-20120312 | O2 Slovakia, s.r.o. (ORG-TOSS1-RIPE) · SK | ALLOCATED PA | Mar 12, 2012 | abuse@ |
| └ 37.152.124.0/22 | 1,024 | O2SK-STATIC-POOL-20190903 | unknown | ASSIGNED PA | Jul 20, 2021 | abuse@ via SK-TO2SK-20120312 |
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 37.152.96.0/19
- Prefix
- 37.152.96.0/19
- Announced by
- AS28952 O2 Business Services, a.s
- Type
- Unknown
- RPKI
- RPKI valid
- Netname
- SK-TO2SK-20120312
- Registrant
- O2 Slovakia, s.r.o.
- RIR
- RIPE NCC
Origin network
AS28952
SK
- Name
- O2 Business Services, a.s
- Type
- Internet provider
- Registered
- Jun 8, 2015
- Domain
- o2bs.sk
- Website
- www.o2bs.sk
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 37.152.96.0/19
37.152.96.0/19
Routing history
- Pattern
- Stable
- First seen
- Mar 2012
- Current origin since
- Jun 2019 · 7.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2019
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.152.96.0/19 | AS28952 | /19 | RIPE | RPKI valid |
IRR
Route objects on 37.152.96.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28952 | RIPE | O2.SK | O2SK-MNT | Jun 19, 2019 |
Whois
Registration for this announcement
- Range
- 37.
152. 96. 0/ 19 - Netname
- SK-TO2SK-20120312
- Registrant
- O2 Slovakia, s.r.o.
- Registrant country
- SK
- Organization
- O2 Slovakia, s.r.o. (ORG-TOSS1-RIPE)
- Org country
- SK
- Type
- ALLOCATED PA
- Created
- Mar 12, 2012
- Updated
- Aug 8, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- SK
- Delegated
- Mar 12, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2bs. sk - Name
- SKTO2-RIPE role
- Handle
- SKTO2-RIPE