Data as of Nov 7, 2026

77.90.135.0/24

Anonymizer · ISP proxy

British Telecommunications Limited · space held by K&K Kommunikationssysteme GmbH

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Apr 19, 2007 · reallocated to a party the registry does not name Sep 26, 2025
2 · Leased from
its owner, directly
3 · Announced by
AS2856 British Telecommunications Limited
since Oct 2025 · 12 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 77.90.135.0/24/24s
K&K Kommunikationssysteme GmbH
256100%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

77.90.135.0/24

From the registry to its use

  1. Apr 19, 2007
    Registry record
    K&K Kommunikationssysteme GmbH
    ALLOCATED PA
    77.90.128.0/18
  2. Jun 7, 2020– Jun 27, 2023
    Announced
    AS42821 K&K Kommunikationssysteme GmbH
    Internet provider
  3. Jun 28, 2023– Jan 5, 2024
    Announced
    AS40676 Psychz Networks
    Hosting
  4. Dec 25, 2023– Jan 5, 2024
    Announced
    AS42821 K&K Kommunikationssysteme GmbH
    Internet provider
  5. Dec 25, 2023– Jul 3, 2024
    Announced
    AS43260 DGN Teknoloji A.S.
    Hosting
  6. Jul 4, 2024– Dec 6, 2024
    Announced
    AS42821 K&K Kommunikationssysteme GmbH
    Internet provider
  7. Jul 28, 2024– Sep 13, 2024
    Announced
    AS208485 Pinhouse Limited
  8. Oct 8, 2024– Nov 12, 2024
    Announced
    AS62425 Mailbox Internet Hizmetleri Ltd. Sti.
    Hosting
  9. Nov 25, 2024– Feb 4, 2025
    Announced
    AS208485 Pinhouse Limited
  10. Jan 24, 2025– Feb 4, 2025
    Announced
    AS42821 K&K Kommunikationssysteme GmbH
    Internet provider
  11. Jan 24, 2025– Aug 3, 2025
    Announced
    AS209604 2E Telekomunikasyon Ltd STI
    Hosting
  12. Aug 16, 2025– Sep 20, 2025
    Announced
  13. Sep 26, 2025
    Route object
    AS2856 British Telecommunications Limited
    RIPE route object for AS2856 British Telecommunications Limited, maintainer MNT-RAPIDNET
  14. Oct 27, 2025– today
    Announced
    AS2856 British Telecommunications Limited
    Internet provider

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
77.90.128.0/1816,384DE-RAPIDNET-20070419K&K Kommunikationssysteme GmbH (ORG-KKG3-RIPE) · DEALLOCATED PAApr 19, 2007abuse@rapidnet.de
└ 77.90.135.0/24256SUBALLOC-CONTRUSTunknownSUB-ALLOCATED PASep 26, 2025alex.kontrast.eu@gmail.com

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
77.90.135.0/24
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