Data as of Nov 14, 2026

37.72.135.0/25

Anonymizer · ISP proxy

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

Announcement
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Oct 2, 2023
2 · Leased from
for its owner Provizo IP BV
3 · Announced by
AS6762 TELECOM ITALIA SPARKLE S.p.A.
since Dec 2023 · 2.9 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 37.72.135.0/25/24s
PrefixBroker
128100%
1
Leased from

Owners leasing their own space

NameIn 37.72.135.0/25/24s
Provizo IP BV
128100%
1

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
37.72.135.0/24256NL-PROVIZOIP-20210920Provizo IP BV (ORG-PIB6-RIPE) · NLALLOCATED PAOct 2, 2023abuse@provizoip.nl
└ 37.72.135.0/25128SEABONE-NET-37-72-135-0TELECOM ITALIA SPARKLE S.p.A. (ORG-TISS10-RIPE)ASSIGNED PADec 13, 2023tech@seabone.net

Network & registry

Routing timeline

Who has announced 37.72.135.0/24

37.72.135.0/24

Routing history

Pattern
Rotating
First seen
Nov 2016
Current origin since
Dec 2023 · 2.9 yr
Origin networks
6
Last change of origin
Dec 2023
Recorded history

History

Handoffs
6