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Data as of Nov 7, 2026

194.231.128.0/22

Anonymizer · Datacenter proxy

Ultra One · space held by GTT Communications Inc.

Announcement
this exact prefix
RPKI invalid (origin)
Announced by
AS399989
Type
Datacenter proxy
IPv4 market

Path

1 · Holder
GTT Communications Inc.
record created Mar 31, 2021
2 · Leased from
GTT Communications Inc.
its owner, directly
3 · Announced by
AS399989 Ultra One
since Jul 2025 · 16 mo ago
4 · Use
Proxy providersnamed Ultra One
Datacenter proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 194.231.128.0/22/24s
Ultra One
1,024100%
4
Leased from

Owners leasing their own space

NameIn 194.231.128.0/22/24s
GTT Communications Inc.
1,024100%
4

Lineage

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

194.231.128.0/22

From the registry to its use

  1. May 9, 2005– Oct 13, 2023
    Announced
    AS5669 GTT Americas, LLC
    as part of 194.231.0.0/16
    194.231.0.0/16
  2. Mar 31, 2021
    Registry record
    GTT Communications Inc.
    ALLOCATED PA
    194.231.0.0/16
  3. Oct 2, 2023– today
    Announced
    AS3257 GTT Communications Inc.
    as part of 194.231.0.0/16
    194.231.0.0/16
  4. Jun 5, 2025
    Reallocated
    GTT Communications Inc.
    SUB-ALLOCATED PA
    194.231.128.0/19
  5. Jul 23, 2025– Aug 27, 2025
    Announced
    AS399989 Ultra One
    Hosting
  6. Aug 28, 2025– Apr 12, 2026
    Announced
    AS20326 TeraSwitch Networks Inc.
    Hosting
  7. today
    Leased from
    IPXO
    IP broker
  8. today
    Used
    Ultra One
    Proxy operator

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
194.231.0.0/16
since Oct 2023
AS3257Unknown8,19213%ISP proxyIP broker IPXO56GTT Communications Inc.
More specific

Announcements inside

PrefixOriginTypeOperatorLeased fromHolderRPKI
194.231.128.0/24
since Sep 2026
AS44803Datacenter proxyProxy providersoperated by Ultra OneIP broker IPXOGTT Communications Inc.
via GTT Communications Inc.
194.231.129.0/24
since Sep 2026
AS44803Datacenter proxyProxy providersoperated by Ultra OneIP broker IPXOGTT Communications Inc.
via GTT Communications Inc.
194.231.130.0/24
since Sep 2026
AS44803Datacenter proxyProxy providersoperated by Ultra OneIP broker IPXOGTT Communications Inc.
via GTT Communications Inc.
194.231.131.0/24
since Sep 2026
AS44803Datacenter proxyProxy providersoperated by Ultra OneIP broker IPXOGTT Communications Inc.
via GTT Communications Inc.

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
194.231.0.0/1665,536US-GTTCOMMUNICATIONS-19960124GTT Communications Inc. (ORG-GCI2-RIPE) · USALLOCATED PAMar 31, 2021abuse@gtt.net
└ 194.231.128.0/198,192IPXO-GTTGTT Communications Inc. (ORG-GCI2-RIPE) · USSUB-ALLOCATED PAJun 5, 2025report@abuseradar.com
└ 194.231.128.0/24256NET-194-231-128-0-24unknownASSIGNED PASep 9, 2026report@abuseradar.com
└ 194.231.129.0/24256NET-194-231-129-0-24unknownASSIGNED PASep 9, 2026report@abuseradar.com
└ 194.231.130.0/24256NET-194-231-130-0-24unknownASSIGNED PASep 9, 2026report@abuseradar.com
└ 194.231.131.0/24256NET-194-231-131-0-24unknownASSIGNED PASep 9, 2026report@abuseradar.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GTT Communications Inc.
Handle
ORG-GCI2-RIPE
Range
194.231.0.0/16
Registration type
ALLOCATED PA
Record created
Mar 31, 2021
Origin network

AS399989

US
Name
Ultra One
Type
Hosting
Registered
Aug 25, 2021
Domain
ultra.one
Industry
Hosting, Cloud Provider, Data Center, Server Colocation
Spamhaus ASN-DROP
not listed