Data as of Nov 9, 2026
81.180.37.0/24
Anonymizer · ISP proxyOrange S.A. · 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 AS2914 NTT America, Inc.
IPv4 market
Path
Announced by AS5511 since Sep 2026 · 9 wk ago
1 · Holder
record created Feb 4, 2003
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 81.180.37.0/24 | /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 →
81.180.37.0/24
From the registry to its use
- Feb 4, 2003Registry recordInstitutul National de Cercetare-Dezvoltare in informatica - ICI BucurestiALLOCATED PA81.180.0.0/15
- Jul 5, 2021AssignedTeen Telecom SRLASSIGNED PA81.180.36.0/23
- Jun 29, 2025– Mar 19, 2026
- Mar 20, 2026– Sep 3, 2026
- Sep 2, 2026Route objectAS5511 Orange S.A.RIPE route object for AS5511 Orange S.A., maintainer TEEN-MNT TEENTELECOM
- Sep 4, 2026– Nov 8, 2026
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@ |
| └ 81.180.36.0/23 | 512 | TEENTELECOM-11 | Teen Telecom SRL | ASSIGNED PA | Jul 5, 2021 | 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
AS5511
FR
- Name
- Orange S.A.
- Type
- Internet provider
- Registered
- Jan 8, 1996
- Domain
- orange.com
- Website
- wholesale.orange.com/international/en/our-solutions/ip-content-distribution.html
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2025
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 3
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 81.
180. 36. 0/ 23 - Netname
- TEENTELECOM-11
- Registrant
- Teen Telecom SRL
- Registrant country
- RO
- Organization
- Teen Telecom SRL
- Org country
- RO
- Type
- ASSIGNED PA
- Created
- Jul 5, 2021
- Updated
- May 13, 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