Data as of Nov 8, 2026
81.181.174.0/24
Anonymizer · Datacenter proxyTngnet B.V. · space held by Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
Announcement
this exact prefix
RPKI valid
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
IPv4 market
Path
1 · Holder
record created Feb 4, 2003
2 · Leased from
its owner, directly
4 · Use
Datacenter proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 81.181.174.0/24 | /24s |
|---|---|---|
| Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
81.181.174.0/24
From the registry to its use
- Feb 4, 2003Registry recordInstitutul National de Cercetare-Dezvoltare in informatica - ICI BucurestiALLOCATED PA81.180.0.0/15
- Oct 21, 2020AssignedTeen Telecom SRLASSIGNED PA81.181.174.0/23
- Apr 6, 2025– Aug 15, 2025
- Sep 9, 2025– today
- Sep 15, 2025Route objectAS47690 Tngnet B.V.RIPE route object for AS47690 Tngnet B.V., maintainer TEEN-MNT TEENTELECOM
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 |
|---|---|---|---|---|---|---|
| 81.180.0.0/15 | 131,072 | RO-RNC-20030204 | Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti (ORG-RA19-RIPE) · RO | ALLOCATED PA | Feb 4, 2003 | abuse@ |
| └ 81.181.174.0/23 | 512 | TEENTELECOM-2 | Teen Telecom SRL | ASSIGNED PA | Oct 21, 2020 | lir@ |
Network & registry
IPv4 market
Holder
- Organization
- Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
- Handle
- ORG-RA19-RIPE
- Range
- 81.
180. 0. 0/ 15 - Registration type
- ALLOCATED PA
- Record created
- Feb 4, 2003
Origin network
AS47690
NL
- Name
- Tngnet B.V.
- Type
- Hosting
- Registered
- Mar 21, 2016
- Domain
- tngnet.com
- Website
- www.tngnet.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2025
- Current origin since
- Sep 2025 · 1.2 yr
- Origin networks
- 2
- Last change of origin
- Sep 2025
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 81.
181. 174. 0/ 23 - Netname
- TEENTELECOM-2
- Registrant
- Teen Telecom SRL
- Registrant country
- RO
- Organization
- Teen Telecom SRL
- Org country
- RO
- Type
- ASSIGNED PA
- Created
- Oct 21, 2020
- Updated
- Jun 2, 2025
- Maintainer
- AS3233-MNT
- RIR
- RIPE NCC
- Country
- RO
- Delegated
- Feb 4, 2003
- Status
- assigned
Report abuse
Abuse contact
- lir@
teentelecom. net - Name
- Abuse Contact
- Handle
- AC28168-RIPE