Data as of Nov 7, 2026

185.40.100.0/23

No anonymizer space · no proxy exits in 30 days

Eurofiber France SAS · space held by 123 multimedia SASU

Announcement

this exact prefix

RPKI valid

Announced by

Type

Business

63% of it

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
185.40.100.0/23	512	FR-123MM-20131113	123 multimedia SASU (ORG-MS231-RIPE) · FR	ALLOCATED PA	Dec 6, 2023	abuse@123multimedia.com
└ 185.40.100.32/31	2	FR-123MM-INFRA	unknown	ASSIGNED PA	Oct 1, 2018	abuse@123multimedia.com via FR-123MM-20131113
└ 185.40.100.64/28	16	FR-123MM-INFRA	unknown	ASSIGNED PA	Oct 1, 2018	abuse@123multimedia.com via FR-123MM-20131113
└ 185.40.100.80/28	16	FR-123MM-INFRA	unknown	ASSIGNED PA	Oct 1, 2018	abuse@123multimedia.com via FR-123MM-20131113
└ 185.40.100.128/27	32	FR-123MM-123IPME	unknown	ASSIGNED PA	Oct 1, 2018	abuse@123multimedia.com via FR-123MM-20131113
└ 185.40.101.0/24	256	FR-123MM-PROD	unknown	ASSIGNED PA	Oct 1, 2018	abuse@123multimedia.com via FR-123MM-20131113

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

The types across the prefix's announced space, by addresses.

Announced space

Announced space

512 addresses

Type	Addresses	Share	Ranges
Business	322	63%	5
Unknown	190	37%	4

Origin network

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
185.40.100.0/23	AS39405	/24	RIPE	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS39405	RIPE		EUROFIBER-FR-MNT MNT-123MM	Sep 11, 2023