Data as of Nov 14, 2026
81.46.231.0/24
No anonymizer space · no proxy exits in 30 daysacens Technologies, S.L. · reallocated from Telefonica de Espana S.A.U.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 81.46.224.0/20 since Oct 2016 | AS16371 | Hosting | Telefonica de Espana S.A.U. via Acens Technologies S.L. | ||
| 81.46.0.0/16 since May 2005 | AS3352 | Residential | 3 | Telefonica de Espana S.A.U. |
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 |
|---|---|---|---|---|---|---|
| 81.32.0.0/12 | 1,048,576 | ES-TELEFONICA-20020215 | Telefonica de Espana S.A.U. (ORG-TDE1-RIPE) · ES | ALLOCATED PA | Feb 27, 2002 | nemesys@ |
| └ 81.46.224.0/20 | 4,096 | ACENS | Acens Technologies S.L. | SUB-ALLOCATED PA | Sep 19, 2016 | nemesys@ via ES-TELEFONICA-20020215 |
| └ 81.46.231.0/24 | 256 | VCLOUD9NSX | unknown | ASSIGNED PA | Oct 11, 2018 | abuse@ |
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 81.46.224.0/21
- Prefix
- 81.46.224.0/21
- Announced by
- AS16371 acens Technologies, S.L.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- ACENS
- Registrant
- Acens Technologies S.L.
- RIR
- RIPE NCC
Registry
Holder
- Organization
- Telefonica de Espana S.A.U.
- Handle
- ORG-TDE1-RIPE
- Range
- 81.
32. 0. 0/ 12 - Registration type
- ALLOCATED PA
- Record created
- Feb 27, 2002
- Reallocated to
- Acens Technologies S.L.
- Reallocated range
- 81.
46. 224. 0/ 20 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Sep 19, 2016
Origin network
AS16371
ES
- Name
- acens Technologies, S.L.
- Type
- Hosting
- Registered
- Mar 9, 2001
- Domain
- acens.com
- Website
- www.acens.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
81.46.224.0/21
Routing history
- Pattern
- Stable
- First seen
- Nov 2017
- Current origin since
- Nov 2017 · 9.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.46.224.0/21 | AS16371 | /21 | RIPE | RPKI valid |
| 81.46.224.0/20 | AS16371 | /20 | RIPE | Too specific |
| 81.46.0.0/16 | AS3352 | /16 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 81.
46. 224. 0/ 20 - Netname
- ACENS
- Registrant
- Acens Technologies S.L.
- Registrant country
- ES
- Organization
- Acens Technologies S.L.
- Org country
- ES
- Type
- SUB-ALLOCATED PA
- Created
- Sep 19, 2016
- Updated
- Sep 19, 2016
- Maintainer
- MAINT-AS3352
- RIR
- RIPE NCC
- Country
- ES
- Delegated
- Feb 15, 2002
- Status
- assigned
Report abuse
Abuse contact
- nemesys@
telefonica. es - Name
- NEMESYS ABUSE TEAM
- Handle
- NSYS2-RIPE