Data as of Nov 3, 2026
37.19.71.0/24
Anonymizer · ISP proxyWindstream 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
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 37.19.71.0/24 | /24s |
|---|---|---|
| IPXO | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 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
- Nov 29, 2021– May 3, 2022
- Dec 30, 2021Registry recordsiaIT d.o.o.ALLOCATED PA37.19.64.0/21
- May 16, 2022– Jun 8, 2022
- May 28, 2022– Dec 5, 2022
- Dec 6, 2022– Jan 10, 2023
- Dec 30, 2022– Feb 3, 2023
- Feb 4, 2023– Apr 4, 2023
- Apr 5, 2023– Sep 7, 2023
- Sep 8, 2023– Nov 19, 2025
- Nov 8, 2025– today
- Sep 28, 2026– today
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|---|
| 37.19.68.0/22 since Nov 2025 | AS7029 | ISP proxy | 76875% | IP broker IPXO | 7 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 37.19.64.0/21 | 2,048 | SI-SIAIT-20111222 | siaIT d.o.o. (ORG-SD298-RIPE) · SI | ALLOCATED PA | Dec 30, 2021 | [email protected] |
| └ 37.19.68.0/22 | 1,024 | KRS-NET | unknown | SUB-ALLOCATED PA | Nov 19, 2021 | [email protected] |
| └ 37.19.70.0/23 | 512 | siaIT-Net | unknown | ASSIGNED PA | Jan 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
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 28, 2026
- Current origin since
- Sep 28, 2026 · 1 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.19.68.0/22 | AS7018 | /24 | RIPE | Another network |
| 37.19.68.0/22 | AS7029 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 37.19.70.0/23
- Netname
- siaIT-Net
- Registrant country
- EU
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Jan 3, 2022
- Updated
- Feb 12, 2025
- Maintainer
- lir-si-siait-1-MNT
- RIR
- RIPE NCC
- Country
- SI
- Delegated
- Dec 22, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse Contact
- Handle
- AR834