Data as of Nov 14, 2026
37.252.58.0/23
No anonymizer space · no proxy exits in 30 daysuno Ltd. · reallocated from xilo Ltd.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Internet provider
Risk
0 / 100 · Low
Recent change
New origin Sep 2026
its first announcement on record
registry: sub-allocated pa to uno Ltd. by xilo Ltd., Sep 7, 2026
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 37.252.32.0/19 since Apr 2012 | AS44574 | Business | xilo Ltd. |
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 |
|---|---|---|---|---|---|---|
| 37.252.32.0/19 | 8,192 | UK-XILO-20120418 | xilo Ltd. (ORG-XCL4-RIPE) · GB | ALLOCATED PA | Apr 18, 2012 | abuse@ |
| └ 37.252.58.0/23 | 512 | UNO-STATIC | uno Ltd. (ORG-UCL10-RIPE) · GB | SUB-ALLOCATED PA | Sep 7, 2026 | abuse@ |
Network & registry
Registry
Holder
- Organization
- xilo Ltd.
- Handle
- ORG-XCL4-RIPE
- Range
- 37.
252. 32. 0/ 19 - Registration type
- ALLOCATED PA
- Record created
- Apr 18, 2012
- Reallocated to
- uno Ltd. (ORG-UCL10-RIPE)
- Reallocated range
- 37.
252. 58. 0/ 23 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Sep 7, 2026
Origin network
AS218774
GB
- Name
- uno Ltd.
- Registered
- Sep 2, 2026
- Domain
- uno.uk
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2026
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.252.58.0/23 | AS218774 | /24 | RIPE | RPKI valid |
| 37.252.32.0/19 | AS44574 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS218774 | RIPE | uno Ltd. | UCL-MNT | Sep 7, 2026 |
Whois
Registration for this announcement
- Range
- 37.
252. 58. 0/ 23 - Netname
- UNO-STATIC
- Registrant
- uno Ltd.
- Registrant country
- GB
- Organization
- uno Ltd. (ORG-UCL10-RIPE)
- Org country
- GB
- Type
- SUB-ALLOCATED PA
- Created
- Sep 7, 2026
- Updated
- Sep 7, 2026
- Maintainer
- UCL-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Apr 18, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
helpdesk. uno. uk - Name
- uno Hostmaster
- Handle
- UCLR-RIPE