Data as of Nov 9, 2026
217.173.168.0/23
No anonymizer space · no proxy exits in 30 daysSileman Sp. z o.o.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 217.173.168.0/22 since Mar 2025 | AS30851 | Internet provider | Sileman Sp. z o.o. |
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 |
|---|---|---|---|---|---|---|
| 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@ |
| └ 217.173.169.0/29 | 8 | SGU-BYT-PL | unknown | ASSIGNED PA | Dec 23, 2021 | abuse@ 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.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 504 | 98% | 2 | |
| Business | 8 | 1.6% | 1 |
Network & registry
Origin network
AS30851
PL
- Name
- Sileman Sp. z o.o.
- Type
- Internet provider
- Registered
- Dec 19, 2003
- Domain
- sileman.pl
- Website
- sileman.pl/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2025
- Current origin since
- Jul 2025 · 1.3 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS30851 | RIPE | SGMI-MNT | Jul 18, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 217.173.168.0/24 | AS30851 | RIPE | SGMI-MNT | Jul 18, 2025 | |
| 217.173.169.0/24 | AS30851 | RIPE | Sileman Sp. z o.o. routing policy | SGMI-MNT | Jun 6, 2024 |
Whois
Registration for this announcement
- Range
- 217.
173. 160. 0/ 20 - Netname
- PL-SGMI-20031212
- Registrant
- Sileman Sp. z o.o.
- Registrant country
- PL
- Organization
- Sileman Sp. z o.o. (ORG-SGMI1-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Oct 27, 2014
- Updated
- Jun 27, 2018
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Dec 12, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
sileman. pl - Name
- Sileman Sp. z o.o. Network Operations
- Handle
- SILM3-RIPE