Data as of Nov 4, 2026

57.72.49.0/24

No anonymizer space · no proxy exits in 30 days

Orange Business AS for Asia · space held by Orange Business Communications Technology Limited

Announcement

this exact prefix

RPKI valid

Announced by

Type

Internet provider

Risk

0 / 100 · Low

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	Holder
57.72.0.0/18 since Jan 2021	AS51964	Internet provider		Orange Business Communications Technology Limited
57.72.0.0/17 since May 2013	AS51964	Internet provider		Orange Business Communications Technology Limited
57.72.0.0/15 since May 2013	AS51964	Internet provider	1	Orange Business Communications Technology Limited

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
57.72.0.0 - 57.74.255.255	196,608	OBS_SITA-INTERNET	Orange Business Communications Technology Limited (ORG-ENSI1-RIPE) · IE	LEGACY	Feb 4, 2020	[email protected]
└ 57.72.0.0/18	16,384	OBS-INTERNET	Orange Business Services-Internet services - HK aggregate	LEGACY	Jul 3, 2020	[email protected] via OBS_SITA-INTERNET

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Registry

Origin network

ROA prefix	ASN	Max len	Anchor	Verdict
57.72.0.0/15	AS4862	/32	RIPE	RPKI valid
57.72.0.0/15	AS51964	/32	RIPE	Another network