Data as of Nov 3, 2026

37.19.71.0/24

Anonymizer · ISP proxy

Windstream Communications LLC · space held by siaIT d.o.o.

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Sep 28, 2026
its first announcement on record
IPv4 market

Path

Announced by AS7029 since Sep 28, 2026 · 5 wk ago
1 · Holder
record created Dec 30, 2021 · reallocated to ORG-RL597-RIPE Nov 19, 2021
2 · Leased from
for its owner siaIT d.o.o.
3 · Announced by
AS7029 Windstream Communications LLC
since Sep 28, 2026 · 5 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 37.19.71.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 37.19.71.0/24/24s
siaIT d.o.o.
256100%
1

Lineage

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

37.19.71.0/24

From the registry to its use

  1. Nov 29, 2021– May 3, 2022
    Announced
    AS7018 AT&T Enterprises, LLC
    as part of 37.19.68.0/22
    37.19.68.0/22
  2. Dec 30, 2021
    Registry record
    siaIT d.o.o.
    ALLOCATED PA
    37.19.64.0/21
  3. May 16, 2022– Jun 8, 2022
    Announced
    AS834 IPXO LLC
    as part of 37.19.68.0/22
    37.19.68.0/22
  4. May 28, 2022– Dec 5, 2022
    Announced
    AS46450 Pilot Fiber, Inc.
    as part of 37.19.68.0/22
    37.19.68.0/22
  5. Dec 6, 2022– Jan 10, 2023
    Announced
    AS205570 Sibanet Telekom Limited Sirketi
    as part of 37.19.68.0/22
    37.19.68.0/22
  6. Dec 30, 2022– Feb 3, 2023
    Announced
    AS834 IPXO LLC
    as part of 37.19.68.0/22
    37.19.68.0/22
  7. Feb 4, 2023– Apr 4, 2023
    Announced
    AS49999 Hydra Communications Ltd
    as part of 37.19.68.0/22
    37.19.68.0/22
  8. Apr 5, 2023– Sep 7, 2023
    Announced
    AS834 IPXO LLC
    as part of 37.19.68.0/22
    37.19.68.0/22
  9. Sep 8, 2023– Nov 19, 2025
    Announced
    AS7018 AT&T Enterprises, LLC
    as part of 37.19.68.0/22
    37.19.68.0/22
  10. Nov 8, 2025– today
    Announced
    AS7029 Windstream Communications LLC
    as part of 37.19.68.0/22
    37.19.68.0/22
  11. Sep 28, 2026– today
    Announced
    AS7029 Windstream Communications LLC
    Internet provider
  12. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
37.19.68.0/22
since Nov 2025
AS7029ISP proxy76875%IP broker IPXO7
1 always on
siaIT d.o.o.

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
37.19.64.0/212,048SI-SIAIT-20111222siaIT d.o.o. (ORG-SD298-RIPE) · SIALLOCATED PADec 30, 2021[email protected]
└ 37.19.68.0/221,024KRS-NETunknownSUB-ALLOCATED PANov 19, 2021[email protected]
└ 37.19.70.0/23512siaIT-NetunknownASSIGNED PAJan 3, 2022[email protected]

Network & registry

IPv4 market

Holder

Organization
siaIT d.o.o.
Handle
ORG-SD298-RIPE
Range
37.19.64.0/21
Registration type
ALLOCATED PA
Record created
Dec 30, 2021
Reallocated to
ORG-RL597-RIPE
Reallocated range
37.19.68.0/22
Reallocation type
SUB-ALLOCATED PA
Reallocated
Nov 19, 2021
Origin network

AS7029

US
Name
Windstream Communications LLC
Type
Internet provider
Registered
Jul 30, 1996
Domain
uniti.com
Website
www.uniti.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed