Data as of Nov 9, 2026
193.193.83.72/29
No anonymizer space · no proxy exits in 30 daysAcademic Computer Centre CYFRONET AGH
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 193.193.64.0/19 | 8,192 | PL-CYFRONET-960523 | Academic Computer Centre CYFRONET AGH (ORG-ACCC1-RIPE) · PL | ALLOCATED PA | — | abuse@ |
| └ 193.193.83.72/29 | 8 | EKR-DZ10-NET | Rada Dzielnicy 10 | ASSIGNED PA | Nov 28, 2008 | abuse@ via PL-CYFRONET-960523 |
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
Announced by
Covering announcement 193.193.64.0/19
- Prefix
- 193.193.64.0/19
- Announced by
- AS8323 Academic Computer Centre CYFRONET AGH
- Type
- Business
- Proxy exits
- 13
- RPKI
- RPKI valid
- Netname
- PL-CYFRONET-960523
- Registrant
- Academic Computer Centre CYFRONET AGH
- RIR
- RIPE NCC
Origin network
AS8323
PL
- Name
- Academic Computer Centre CYFRONET AGH
- Type
- Education
- Registered
- May 29, 1997
- Domain
- cyfronet.pl
- Website
- www.cyfronet.pl
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 193.193.64.0/19
193.193.64.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 193.193.64.0/19 | AS8323 | /19 | RIPE | RPKI valid |
IRR
Route objects on 193.193.64.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8323 | RIPE | CYFRONET | AS8323-MNT | Sep 22, 2001 |
Whois
Registration for this announcement
- Range
- 193.
193. 64. 0/ 19 - Netname
- PL-CYFRONET-960523
- Registrant
- Academic Computer Centre CYFRONET AGH
- Registrant country
- PL
- Organization
- Academic Computer Centre CYFRONET AGH (ORG-ACCC1-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Not stated by the registry
- Updated
- Nov 17, 2025
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- May 23, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cyfronet. pl - Name
- abuse contact
- Handle
- ACC78-RIPE