LAYER3 INTEL
Get started
TripwireIntel APIIP IntelPricingBlogDocsContactSign in
Data as of Nov 3, 2026

207.228.28.0/24

Anonymizer · Datacenter proxy47 residential-proxy exits · 30 days

Thunderbox Inc · space held by GBIS Holdings Inc.

Announcement
207.228.0.0/18
RPKI valid
Announced by
AS400072
Type
Datacenter proxy
Risk
85 / 100 · Critical
Proxy exits nearby

Residential-proxy exits

Proxy exits
47
18% of its addresses · 30 days
Always-on exits
6
13% of its exits
Providers
3
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

21K observations

Proxy providers listing exits

  • KocerRoxy
  • LemonBright
  • ThunderProxy
IPv4 market

Path

1 · Holder
GBIS Holdings Inc.
record created Oct 22, 1996
2 · Leased from
GBIS Holdings Inc.
its owner, directly
3 · Announced by
AS400072 Thunderbox Inc
since Aug 2025 · 14 mo ago
4 · Use
Proxy providersnamed Flux Telecom, KocerRoxy, LemonBright, ThunderProxy
Datacenter proxy

Operators, sellers and brokers

Proxy providers

NameParentKindIn 207.228.28.0/24/24sRole
Flux TelecomProxy operator
256100%
1
Runs it
KocerRoxyProxy seller
256100%
1
Sells it
LemonBrightProxy seller
256100%
1
Sells it
ThunderProxyProxy seller
256100%
1
Sells it
Runs itSells it
Leased from

Owners leasing their own space

NameIn 207.228.28.0/24/24s
GBIS Holdings Inc.
256100%
1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 207.228.0.0/18

Prefix
207.228.0.0/18
Announced by
AS400072 Thunderbox Inc
Type
Datacenter proxy
Anonymizer addresses
all
Operator
Proxy providersoperated by Flux Telecomsold by KocerRoxy, LemonBright, ThunderProxy, Webshare
Proxy exits
976
Always-on exits
259
RPKI
RPKI valid
Netname
GBIS-207-228-0-0-18
Registrant
GBIS Holdings Inc.
RIR
ARIN
Origin network

AS400072

US
Name
Thunderbox Inc
Type
Hosting
Registered
Sep 22, 2021
Domain
thunderbox.io
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed