Data as of Nov 5, 2026
139.28.81.0/24
No anonymizer space · no proxy exits in 30 daysSi.TEK Informatica Srl
Network & registry
Announced by
Covering announcement 139.28.80.0/22
- Prefix
- 139.28.80.0/22
- Announced by
- AS44920 Si.TEK Informatica Srl
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- IT-SITEK-20190102
- Registrant
- Si.TEK Informatica Srl
- RIR
- RIPE NCC
Origin network
AS44920
IT
- Name
- Si.TEK Informatica Srl
- Type
- Internet provider
- Registered
- Apr 18, 2016
- Domain
- si-tek.it
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 139.28.80.0/22
139.28.80.0/22
Routing history
- Pattern
- Stable
- First seen
- Dec 2018
- Current origin since
- Dec 2018 · 7.9 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 139.
28. 80. 0/ 22 - Netname
- IT-SITEK-20190102
- Registrant
- Si.TEK Informatica Srl
- Registrant country
- IT
- Organization
- Si.TEK Informatica Srl (ORG-SIS65-RIPE)
- Org country
- IT
- Type
- ALLOCATED PA
- Created
- Oct 25, 2021
- Updated
- Apr 12, 2022
- Maintainer
- MNT-SITEK
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- Jan 2, 2019
- Status
- assigned
Report abuse
Abuse contact
- gianmauro@
si-tek. it - Name
- Abuse Contact
- Handle
- AC28606-RIPE