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Data as of Nov 9, 2026

37.230.61.0/24

Anonymizer · ISP proxy

British Telecommunications Limited · space held by Brightbox Systems Ltd

Announcement
this exact prefix
RPKI valid
Announced by
AS2856
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Brightbox Systems Ltd
record created Apr 11, 2012 · reallocated to Internet Utilities Europe and Asia Limited Oct 19, 2023
2 · Leased from
IPXO
for its owner Brightbox Systems Ltd
3 · Announced by
AS2856 British Telecommunications Limited
since Jun 2025 · 16 mo ago
4 · Use
Proxy providersnamed PrivateProxy
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 37.230.61.0/24/24s
PrivateProxy
256100%
1
Leased from

IP brokers

NameIn 37.230.61.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 37.230.61.0/24/24s
Brightbox Systems Ltd
256100%
1

Lineage

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

37.230.61.0/24

From the registry to its use

  1. Apr 11, 2012
    Registry record
    Brightbox Systems Ltd
    ALLOCATED PA
    37.230.48.0/20
  2. Oct 19, 2023
    Reallocated
    Internet Utilities Europe and Asia Limited
    SUB-ALLOCATED PA
    37.230.56.0/21
  3. Nov 19, 2023– Apr 10, 2024
    Announced
    AS36113 Netopia
  4. Apr 11, 2024– May 28, 2024
    Announced
    AS834 IPXO LLC
    Hosting
  5. May 17, 2024– Jun 21, 2024
    Announced
    AS400866 Harmony Networks, Inc.
    Hosting
  6. Jul 16, 2024– Sep 13, 2024
    Announced
    AS834 IPXO LLC
    Hosting
  7. Jul 28, 2024– Sep 13, 2024
    Announced
    AS21738 Rozint
    Internet provider
  8. Sep 24, 2024
    Route object
    IPXO
    RIPE route object for AS3320 Deutsche Telekom AG, maintainer NETUTILS-MNT
  9. Sep 26, 2024– Jun 28, 2025
    Announced
    AS3320 Deutsche Telekom AG
    Internet provider
  10. Jun 4, 2025
    Route object
    IPXO
    RIPE route object for AS2856 British Telecommunications Limited, maintainer NETUTILS-MNT
  11. Jun 4, 2025
    Route object
    IPXO
    RADB route object for AS2856 British Telecommunications Limited, maintainer MAINT-AS834
  12. Jun 29, 2025– today
    Announced
    AS2856 British Telecommunications Limited
    Internet provider
  13. today
    Route object
    IPXO
    RADB route object for AS3320 Deutsche Telekom AG, maintainer MAINT-AS834
  14. today
    Leased from
    IPXO
    IP broker
  15. today
    Used
    PrivateProxy
    Proxy seller

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
37.230.48.0/204,096UK-BRIGHTBOX-20120411Brightbox Systems Ltd (ORG-BSL10-RIPE) · GBALLOCATED PAApr 11, 2012abuse@brightbox.com
└ 37.230.56.0/212,048IPXOInternet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GBSUB-ALLOCATED PAOct 19, 2023report@abuseradar.com
└ 37.230.61.0/24256NET-37-230-61-0-24unknownASSIGNED PASep 19, 2024report@abuseradar.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Brightbox Systems Ltd
Handle
ORG-BSL10-RIPE
Range
37.230.48.0/20
Registration type
ALLOCATED PA
Record created
Apr 11, 2012
Reallocated to
Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE)
Reallocated range
37.230.56.0/21
Reallocation type
SUB-ALLOCATED PA
Reallocated
Oct 19, 2023
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