Data as of Nov 7, 2026
185.138.244.0/22
No anonymizer space · no proxy exits in 30 daysCloud4com s.r.o.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 185.138.244.0/24 since Sep 2019 | AS201730 | Hosting | Cloud4com s.r.o. | |
| 185.138.245.0/24 since Sep 2019 | AS201730 | Hosting | Cloud4com s.r.o. via DataSpring CZ Microsoft Azure Stack pools | |
| 185.138.246.0/24 since Sep 2019 | AS201730 | Hosting | Cloud4com s.r.o. | |
| 185.138.247.0/24 since Sep 2019 | AS201730 | Hosting | Cloud4com s.r.o. |
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 |
|---|---|---|---|---|---|---|
| 185.138.244.0/22 | 1,024 | CZ-CLOUD4COM1-20160216 | Cloud4com s.r.o. (ORG-CS814-RIPE) · CZ | ALLOCATED PA | Feb 16, 2016 | support@ |
| └ 185.138.244.0/24 | 256 | DataSpring_ | DataSpring CZ DCs | ASSIGNED PA | Dec 28, 2018 | support@ via CZ-CLOUD4COM1-20160216 |
| └ 185.138.245.0/24 | 256 | DataSpring_ | DataSpring CZ Microsoft Azure Stack pools | SUB-ALLOCATED PA | May 5, 2020 | support@ via CZ-CLOUD4COM1-20160216 |
| └ 185.138.245.0/26 | 64 | DataSpring_ | unknown | ASSIGNED PA | May 15, 2019 | support@ via DataSpring_CZ_Microsoft_Azure_Stack |
| └ 185.138.245.64/26 | 64 | DataSpring_ | unknown | ASSIGNED PA | Jul 12, 2019 | support@ via DataSpring_CZ_Microsoft_Azure_Stack |
| └ 185.138.246.0/24 | 256 | DataSpring_ | DataSpring CZ DCs | ASSIGNED PA | Dec 28, 2018 | support@ via CZ-CLOUD4COM1-20160216 |
| └ 185.138.247.0/27 | 32 | Test-DC-ZSCALER | Nikósie, Cyprus | ASSIGNED PA | Jun 12, 2023 | support@ via CZ-CLOUD4COM1-20160216 |
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
Origin network
AS201730
CZ
- Name
- Cloud4com s.r.o.
- Type
- Hosting
- Registered
- Jul 31, 2014
- Domain
- dataspring.cz
- Website
- www.dataspring.cz
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2016
- Current origin since
- May 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 185.138.244.0/22 | AS201730 | /22 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS201730 | RIPE | DataSpring_CZ | MNT-ICT | Jul 12, 2019 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 185.138.244.0/23 | AS201730 | RIPE | DataSpring_CZ | MNT-ICT | Jul 12, 2019 |
| 185.138.246.0/23 | AS201730 | RIPE | DataSpring_CZ | MNT-ICT | Jul 12, 2019 |
Whois
Registration for this announcement
- Range
- 185.
138. 244. 0/ 22 - Netname
- CZ-CLOUD4COM1-20160216
- Registrant
- Cloud4com s.r.o.
- Registrant country
- CZ
- Organization
- Cloud4com s.r.o. (ORG-CS814-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Feb 16, 2016
- Updated
- Mar 13, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Feb 16, 2016
- Status
- assigned
Report abuse
Abuse contact
- support@
cloud4com. com - Name
- Abuse-C Role
- Handle
- AR74237-RIPE