Data as of Nov 3, 2026
81.161.52.0/22
Anonymizer · ISP proxyBritish Telecommunications Limited · space held by GVM Sistem 2003 SRL
IPv4 market
Path
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 81.161.52.0/22 | /24s |
|---|---|---|
| GVM Sistem | 1,024100% | 4 |
| Welt-Net Broadband | 1,024100% | 4 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
81.161.52.0/22
From the registry to its use
- Feb 22, 2015– May 1, 2015
- May 8, 2015– Mar 20, 2019AnnouncedAS59727 DND Nordic AB
- Feb 6, 2019Registry recordGVM Sistem 2003 SRLALLOCATED PA81.161.48.0/21
- Mar 9, 2019– Sep 5, 2021Announced
- Sep 18, 2021– Nov 2, 2026
- Jul 5, 2023AssignedWelt-Net BroadbandASSIGNED PA81.161.52.0/22
- Jul 5, 2023Route objectAS2856 British Telecommunications LimitedRIPE route object for AS2856 British Telecommunications Limited, maintainer WELTNET-MNT
- todayLeased fromGVM SistemLessor
- todayLeased fromWelt-Net BroadbandLessor
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 |
|---|---|---|---|---|---|---|
| 81.161.48.0/21 | 2,048 | RO-GVM-20120716 | GVM Sistem 2003 SRL (ORG-SGSS3-RIPE) · RO | ALLOCATED PA | Feb 6, 2019 | [email protected] |
| └ 81.161.52.0/22 | 1,024 | Welt-Net_London | Welt-Net Broadband (ORG-WB77-RIPE) · GB | ASSIGNED PA | Jul 5, 2023 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- GVM Sistem 2003 SRL
- Handle
- ORG-SGSS3-RIPE
- Range
- 81.161.48.0/21
- Registration type
- ALLOCATED PA
- Record created
- Feb 6, 2019
Origin network
AS2856
GB
- Name
- British Telecommunications Limited
- Type
- Internet provider
- Registered
- Dec 22, 1993
- Domain
- bt.net
- Website
- www.bt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 12
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2015
- Current origin since
- Sep 2021 · 5.1 yr
- Origin networks
- 4
- Last change of origin
- Sep 2021
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 81.161.52.0/22
- Netname
- Welt-Net_London
- Registrant
- Welt-Net Broadband
- Registrant country
- GB
- Organization
- Welt-Net Broadband (ORG-WB77-RIPE)
- Org country
- GB
- Type
- ASSIGNED PA
- Created
- Jul 5, 2023
- Updated
- Jul 5, 2023
- Maintainer
- weltnet-mnt
- RIR
- RIPE NCC
- Country
- RO
- Delegated
- Jul 16, 2012
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse department
- Handle
- AD16433-RIPE