Data as of Nov 13, 2026
81.6.136.0/23
No anonymizer space · no proxy exits in 30 daysKielce University of Technology
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 81.6.136.0/24 since May 2019 | AS208930 | Business | Kielce University of Technology |
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 |
|---|---|---|---|---|---|---|
| 81.6.128.0/18 | 16,384 | PL-KUOT-20020624 | Kielce University of Technology (ORG-KUOT1-RIPE) · PL | ALLOCATED PA | Jun 24, 2002 | abuse@ |
| └ 81.6.136.0/24 | 256 | INTERBIT-KIELCE-PL | INTERBIT | ASSIGNED PA | Feb 20, 2008 | abuse@ via PL-KUOT-20020624 |
| └ 81.6.137.160/27 | 32 | POLITECHNIKA-SW | Kielce University Of Technology - Cenwis (customer services) | ASSIGNED PA | Jun 18, 2026 | abuse@ via PL-KUOT-20020624 |
| └ 81.6.137.208/29 | 8 | WSPSPOLEM-KIELCE | WSP Spolem | ASSIGNED PA | Jun 18, 2026 | abuse@ via PL-KUOT-20020624 |
| └ 81.6.137.216/29 | 8 | POLITECHNIKA-SW | Kielce University Of Technology - customer services | ASSIGNED PA | Jun 18, 2026 | abuse@ via PL-KUOT-20020624 |
| └ 81.6.137.224/30 | 4 | PORR-KIELCE | PORR S.A., Kielce | ASSIGNED PA | Jun 17, 2026 | abuse@ via PL-KUOT-20020624 |
| └ 81.6.137.232/29 | 8 | PRZEWOZYREGIONALNE | Przewozy Regionalne | ASSIGNED PA | Jun 17, 2026 | abuse@ via PL-KUOT-20020624 |
| └ 81.6.137.240/28 | 16 | ITECH-KIELCE | Itech sp. z o.o. Kielce | ASSIGNED PA | Sep 1, 2010 | abuse@ via PL-KUOT-20020624 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Origin network
AS30778
PL
- Name
- Kielce University of Technology
- Type
- Education
- Registered
- Dec 2, 2003
- Domain
- kielce.pl
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2018
- Current origin since
- Jun 2018 · 8.4 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 81.
6. 128. 0/ 18 - Netname
- PL-KUOT-20020624
- Registrant
- Kielce University of Technology
- Registrant country
- PL
- Organization
- Kielce University of Technology (ORG-KUOT1-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Jun 24, 2002
- Updated
- Mar 17, 2021
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Jun 24, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
man. kielce. pl - Name
- Kielman NOC
- Handle
- KIE8-RIPE