Data as of Nov 13, 2026

77.90.164.0/24

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 · 13 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 77.90.164.0/24/24s
K&K Kommunikationssysteme GmbH
256100%
1

Lineage

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

77.90.164.0/24

From the registry to its use

  1. Apr 19, 2007
    Registry record
    K&K Kommunikationssysteme GmbH
    ALLOCATED PA
    77.90.128.0/18
  2. May 4, 2022– Aug 19, 2022
    Announced
    AS42821 K&K Kommunikationssysteme GmbH
    Internet provider
  3. Jun 21, 2022– Jul 14, 2022
    Announced
    AS208485 Pinhouse Limited
  4. Aug 8, 2022– Oct 19, 2024
    Announced
    AS200019 Alexhost S.R.L.
    Hosting
  5. Oct 8, 2024– Oct 31, 2024
    Announced
    AS42821 K&K Kommunikationssysteme GmbH
    Internet provider
  6. Oct 20, 2024– Dec 30, 2024
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  7. Dec 19, 2024– Feb 4, 2025
    Announced
    AS42821 K&K Kommunikationssysteme GmbH
    Internet provider
  8. Jan 12, 2025– Jan 23, 2025
    Announced
    AS25369 Hydra Communications Ltd
    Internet provider
  9. Jan 24, 2025– Apr 5, 2025
    Announced
    AS60117 Host Sailor Ltd
    Hosting
  10. Mar 25, 2025– Jun 16, 2025
    Announced
    AS42821 K&K Kommunikationssysteme GmbH
    Internet provider
  11. Jun 5, 2025– Aug 15, 2025
    Announced
    AS208485 Pinhouse Limited
  12. Aug 4, 2025– Oct 2, 2025
    Announced
    AS42821 K&K Kommunikationssysteme GmbH
    Internet provider
  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
└ 77.90.164.0/24256SUBALLOC-CONTRUSTunknownSUB-ALLOCATED PASep 26, 2025alex.kontrast.eu@gmail.com

Network & registry

Routing timeline

Who has announced this prefix

latest 12 of 32 stints
Summary

Routing history

Pattern
Rotating
First seen
Dec 2013
Current origin since
Oct 2025 · 1.0 yr
Origin networks
18
Last change of origin
Oct 2025
Recorded history

History

Stints on record
32
Handoffs
31