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Data as of Nov 3, 2026

37.97.112.0/22

Anonymizer · ISP proxy2 residential-proxy exits · 30 days

British Telecommunications Limited · space held by GVM Sistem 2003 SRL

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

Residential-proxy exits

Proxy exits
2
0.20% of its addresses · 30 days
Spread
2 of 4
/24s with at least one exit
Providers
2
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

2 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
37.97.112.0/2401
37.97.115.0/2401

Proxy providers listing exits

  • Kookey
  • Novada
IPv4 market

Path

1 · Holder
GVM Sistem 2003 SRL
record created Aug 14, 2014
2 · Leased from
GVM Sistem, Welt-Net Broadband
its owner, directly
3 · Announced by
AS2856 British Telecommunications Limited
since Sep 2021 · 5.1 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 37.97.112.0/22/24s
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 →

37.97.112.0/22

From the registry to its use

  1. Aug 14, 2014
    Registry record
    GVM Sistem 2003 SRL
    ALLOCATED PA
    37.97.112.0 - 37.97.123.255
  2. Aug 27, 2016– Aug 11, 2019
    Announced
    AS200785 Nano Systems Engineering Ltd.
  3. Jul 31, 2019– Sep 5, 2021
    Announced
    AS209104
  4. Sep 18, 2021– Nov 2, 2026
    Announced
    AS2856 British Telecommunications Limited
    Internet provider
  5. Jul 5, 2023
    Assigned
    Welt-Net Broadband
    ASSIGNED PA
    37.97.112.0/22
  6. Jul 5, 2023
    Route object
    AS2856 British Telecommunications Limited
    RIPE route object for AS2856 British Telecommunications Limited, maintainer WELTNET-MNT
  7. today
    Leased from
    GVM Sistem
    Lessor
  8. today
    Leased from
    Welt-Net Broadband
    Lessor

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
37.97.112.0 - 37.97.123.2553,072RO-GVM-20120202GVM Sistem 2003 SRL (ORG-SGSS3-RIPE) · ROALLOCATED PAAug 14, 2014[email protected]
└ 37.97.112.0/221,024Welt-Net_LondonWelt-Net Broadband (ORG-WB77-RIPE) · GBASSIGNED PAJul 5, 2023[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GVM Sistem 2003 SRL
Handle
ORG-SGSS3-RIPE
Range
37.97.112.0 - 37.97.123.255
Registration type
ALLOCATED PA
Record created
Aug 14, 2014
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