Data as of Nov 7, 2026

217.173.160.0/20

No anonymizer space · no proxy exits in 30 days

Sileman Sp. z o.o.

Announcement

this exact prefix

No RPKI

Announced by

Type

Internet provider

>99% of it

Announcements

More specific

Prefix	Origin	Type	Holder
217.173.160.0/22 since May 2005	AS30851	Internet provider	Sileman Sp. z o.o.
217.173.164.0/22 since May 2005	AS30851	Internet provider	Sileman Sp. z o.o.
217.173.168.0/22 since Mar 2025	AS30851	Internet provider	Sileman Sp. z o.o.
217.173.168.0/23 since Jul 2025	AS30851	Internet provider	Sileman Sp. z o.o.
217.173.170.0/23 since Jul 2025	AS30851	Internet provider	Sileman Sp. z o.o.
217.173.172.0/22 since May 2005	AS30851	Internet provider	Sileman Sp. z o.o.

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
217.173.160.0/20	4,096	PL-SGMI-20031212	Sileman Sp. z o.o. (ORG-SGMI1-RIPE) · PL	ALLOCATED PA	Oct 27, 2014	abuse@sileman.pl
└ 217.173.160.0/24	256	SILEMAN-PL	Sileman sp. z o.o.	ASSIGNED PA	Jul 23, 2020	abuse@sileman.pl via PL-SGMI-20031212
└ 217.173.161.0/24	256	SILEMAN-PL	Sileman sp. z o.o.	ASSIGNED PA	Jul 23, 2020	abuse@sileman.pl via PL-SGMI-20031212
└ 217.173.165.0/24	256	SILEMAN-TEST-DWIRS2	unknown	ASSIGNED PA	Jul 24, 2020	abuse@sileman.pl via PL-SGMI-20031212
└ 217.173.169.0/29	8	SGU-BYT-PL	unknown	ASSIGNED PA	Dec 23, 2021	abuse@sileman.pl via PL-SGMI-20031212

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

4,096 addresses

Type	Addresses	Share	Ranges
Internet provider	4,088	>99%	6
Business	8	0.20%	1

Origin network