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Data as of Nov 12, 2026

158.173.187.0/24

Anonymizer · ISP proxy

TELECOM ITALIA SPARKLE S.p.A. · space held by Nimbus IP Networks BV

Announcement
this exact prefix
RPKI valid
Announced by
AS6762
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Nov 4, 2026
its first announcement on record
IPv4 market

Path

Announced by AS6762 since Nov 4, 2026 · 8 days ago
1 · Holder
Nimbus IP Networks BV
record created Jul 11, 2025
2 · Leased from
PrefixBroker
for its owner Nimbus IP Networks BV
3 · Announced by
AS6762 TELECOM ITALIA SPARKLE S.p.A.
since Nov 4, 2026 · 8 days ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 158.173.187.0/24/24s
PrefixBroker
256100%
1
Leased from

Owners leasing their own space

NameIn 158.173.187.0/24/24s
Nimbus IP Networks BV
256100%
1

Lineage

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

158.173.187.0/24

From the registry to its use

  1. Jul 11, 2025
    Registry record
    Nimbus IP Networks BV
    LEGACY
    158.173.128.0/17
  2. Oct 30, 2026
    Assigned
    TELECOM ITALIA SPARKLE S.p.A.
    LEGACY
    158.173.187.0/24
  3. Oct 30, 2026
    Route object
    AS6762 TELECOM ITALIA SPARKLE S.p.A.
    RIPE route object for AS6762 TELECOM ITALIA SPARKLE S.p.A., maintainer PREFIXBROKER-MNT
  4. Oct 30, 2026
    Route object
    AS16735 Algar Telecom S/A
    RIPE route object for AS16735 Algar Telecom S/A, maintainer PREFIXBROKER-MNT
  5. Nov 4, 2026– today
    Announced
    AS6762 TELECOM ITALIA SPARKLE S.p.A.
    Internet provider
  6. today
    Leased from
    IPXO
    IP broker
  7. today
    Leased from
    PrefixBroker
    IP broker

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
158.173.128.0/1732,768NIMBUSIP-158-173-128-0Nimbus IP Networks BV (ORG-NINB1-RIPE) · NLLEGACYJul 11, 2025abuse@nimbusip.nl
└ 158.173.176.0/204,096NIMBUSIP-158-173-176-0Nimbus IP Networks BV (ORG-NINB1-RIPE) · NLLEGACYDec 1, 2025report@abuseradar.com
└ 158.173.187.0/24256TISPARKLE-158-173-187-0TELECOM ITALIA SPARKLE S.p.A. (ORG-TISS10-RIPE) · BRLEGACYOct 30, 2026tech@seabone.net

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Nov 4, 2026
Current origin since
Nov 4, 2026 · under a month
Origin networks
1