LAYER3 INTEL
Get started
Sign in
Data as of Nov 9, 2026

172.120.145.0/24

Anonymizer · ISP proxy

A1 Telekom Austria AG · space held by EGIHosting

Announcement
this exact prefix
RPKI valid
Announced by
AS8447
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Jul 2026
its first announcement on record
IPv4 market

Path

Announced by AS8447 since Jul 2026 · 4 mo ago
1 · Holder
EGIHosting
record created Jun 23, 2015
2 · Leased from
EGIHosting
its owner, directly
3 · Announced by
AS8447 A1 Telekom Austria AG
since Jul 2026 · 4 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 172.120.145.0/24/24s
EGIHosting
256100%
1

Lineage

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

172.120.145.0/24

From the registry to its use

  1. Jun 23, 2015
    Registry record
    EGIHosting
    Direct Allocation
    172.120.0.0/15
  2. Jan 24, 2025– today
    Announced
    AS18779 EGIHosting
    as part of 172.120.144.0/22
    172.120.144.0/22
  3. May 26, 2026
    Route object
    AS8447 A1 Telekom Austria AG
    ARIN route object for AS8447 A1 Telekom Austria AG, maintainer MNT-EGNL-1
  4. May 30, 2026
    Route object
    AS8447 A1 Telekom Austria AG
    RADB route object for AS8447 A1 Telekom Austria AG, maintainer MAINT-AS18779
  5. Jul 6, 2026– today
    Announced
    AS8447 A1 Telekom Austria AG
    Internet provider
  6. today
    Leased from
    EGIHosting
    Lessor

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromRPKI
172.120.144.0/22
since Jan 2025
AS18779HostingLessor EGIHosting

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS8447

AT
Name
A1 Telekom Austria AG
Type
Internet provider
Registered
Aug 27, 1997
Domain
a1.net
Website
www.a1.net/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed