Data as of Nov 6, 2026
77.90.138.0/24
Anonymizer · ISP proxyBritish Telecommunications Limited · space held by K&K Kommunikationssysteme GmbH
IPv4 market
Path
1 · Holder
record created Apr 19, 2007 · reallocated to a party the registry does not name Sep 26, 2025
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 77.90.138.0/24 | /24s |
|---|---|---|
| K&K Kommunikationssysteme GmbH | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
77.90.138.0/24
From the registry to its use
- Apr 19, 2007Registry recordK&K Kommunikationssysteme GmbHALLOCATED PA77.90.128.0/18
- Sep 18, 2021– Dec 22, 2021
- Dec 23, 2021– Jan 27, 2022
- Jan 16, 2022– Jul 14, 2022
- Feb 9, 2022– Mar 28, 2022AnnouncedAS39144 Redes Digitales de Telecomunicacion en Internet SL
- Mar 29, 2022– Apr 9, 2022
- May 4, 2022– Jun 8, 2022AnnouncedAS208485 Pinhouse Limited
- Jul 3, 2022– Jul 14, 2022
- Jul 15, 2022– Oct 30, 2022
- Oct 19, 2022– Nov 11, 2022
- Oct 31, 2022– Aug 15, 2025
- Aug 28, 2025– Oct 2, 2025
- Sep 26, 2025Route objectAS2856 British Telecommunications LimitedRIPE route object for AS2856 British Telecommunications Limited, maintainer MNT-RAPIDNET
- Oct 27, 2025– today
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 |
|---|---|---|---|---|---|---|
| 77.90.128.0/18 | 16,384 | DE-RAPIDNET-20070419 | K&K Kommunikationssysteme GmbH (ORG-KKG3-RIPE) · DE | ALLOCATED PA | Apr 19, 2007 | abuse@ |
| └ 77.90.138.0/24 | 256 | SUBALLOC-CONTRUST | unknown | SUB-ALLOCATED PA | Sep 26, 2025 | alex. |
Network & registry
IPv4 market
Holder
- Organization
- K&K Kommunikationssysteme GmbH
- Handle
- ORG-KKG3-RIPE
- Range
- 77.
90. 128. 0/ 18 - Registration type
- ALLOCATED PA
- Record created
- Apr 19, 2007
- Reallocated to
- Not named in the registry
- Reallocated range
- 77.
90. 138. 0/ 24 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Sep 26, 2025
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
latest 12 of 17 stints
Summary
Routing history
- Pattern
- Rotating
- First seen
- Dec 2013
- Current origin since
- Oct 2025 · 1.0 yr
- Origin networks
- 7
- Last change of origin
- Oct 2025
Recorded history
History
- Stints on record
- 17
- Handoffs
- 14
Whois
Registration for this announcement
- Range
- 77.
90. 138. 0/ 24 - Netname
- SUBALLOC-CONTRUST
- Registrant country
- DE
- Organization
- Not stated by the registry
- Type
- SUB-ALLOCATED PA
- Created
- Sep 26, 2025
- Updated
- Sep 26, 2025
- Maintainer
- MNT-RAPIDNET
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Apr 19, 2007
- Status
- assigned
Report abuse
Abuse contact
- alex.
kontrast. eu@ gmail. com - Name
- Abuse-C Role
- Handle
- AR66658-RIPE