Data as of Nov 8, 2026
217.156.20.0/23
Anonymizer · ISP proxyTeen Telecom SRL · space held by Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Sep 2026
from AS8708 Digi Romania S.A.
IPv4 market
Path
Announced by AS34304 since Sep 2026 · 9 wk ago
1 · Holder
record created Dec 14, 2001
2 · Leased from
its owner, directly
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 217.156.20.0/23 | /24s |
|---|---|---|
| Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti | 512100% | 2 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
217.156.20.0/23
From the registry to its use
- Dec 14, 2001Registry recordInstitutul National de Cercetare-Dezvoltare in informatica - ICI BucurestiALLOCATED PA217.156.0.0/17
- May 9, 2005– Jun 15, 2010Announced
- Jul 15, 2010– Sep 8, 2013
- Sep 22, 2013– Jul 27, 2024Announced
- Jul 16, 2024– Feb 11, 2026
- Aug 26, 2026AssignedTeen Telecom SRLASSIGNED PA217.156.20.0/23
- Sep 4, 2026– today
- Sep 10, 2026Route objectAS34304 Teen Telecom SRLRIPE route object for AS34304 Teen Telecom SRL, maintainer SMART 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 |
|---|---|---|---|---|---|---|
| 217.156.0.0/17 | 32,768 | RO-RNC-20010221 | Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti (ORG-RA19-RIPE) · RO | ALLOCATED PA | Dec 14, 2001 | abuse@ |
| └ 217.156.20.0/23 | 512 | TEEN-TELECOM-33 | Teen Telecom SRL | ASSIGNED PA | Aug 26, 2026 | abuse-teentelecom@ |
Network & registry
IPv4 market
Holder
- Organization
- Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
- Handle
- ORG-RA19-RIPE
- Range
- 217.
156. 0. 0/ 17 - Registration type
- ALLOCATED PA
- Record created
- Dec 14, 2001
Origin network
AS34304
RO
- Name
- Teen Telecom SRL
- Type
- Hosting
- Registered
- Dec 13, 2004
- Domain
- teentelecom.com
- Website
- www.teentelecom.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 4
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 4
Whois
Registration for this announcement
- Range
- 217.
156. 20. 0/ 23 - Netname
- TEEN-TELECOM-33
- Registrant
- Teen Telecom SRL
- Registrant country
- RO
- Organization
- Teen Telecom SRL
- Org country
- RO
- Type
- ASSIGNED PA
- Created
- Aug 26, 2026
- Updated
- Oct 6, 2026
- Maintainer
- AS3233-MNT
- RIR
- RIPE NCC
- Country
- RO
- Delegated
- Feb 21, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse-teentelecom@
rnc. ro - Name
- Abuse contact role object
- Handle
- ACRO66003-RIPE