Data as of Nov 7, 2026
193.255.120.0/22
No anonymizer space · no proxy exits in 30 daysIsik University · space held by National Academic Network and Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 193.255.0.0/16 since May 2005 | AS8517 | Business | 678 8 always on | National Academic Network and Information Center |
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 |
|---|---|---|---|---|---|---|
| 193.255.0.0/16 | 65,536 | TR-ULAKBIM-960206 | National Academic Network and Information Center (ORG-NANA1-RIPE) · TR | ALLOCATED PA | — | abuse@ |
| └ 193.255.120.0/22 | 1,024 | ISIK-NET | ISIK University | ASSIGNED PA | Jan 23, 2006 | abuse@ via TR-ULAKBIM-960206 |
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
Registry
Holder
- Organization
- National Academic Network and Information Center
- Handle
- ORG-NANA1-RIPE
- Range
- 193.
255. 0. 0/ 16 - Registration type
- ALLOCATED PA
Origin network
AS44639
TR
- Name
- Isik University
- Type
- Education
- Registered
- Feb 15, 2008
- Domain
- isikun.edu.tr
- Industry
- Retail Stores, Wholesale, and E-commerce Sites
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Jun 2005
- Current origin since
- Feb 2022 · 4.7 yr
- Origin networks
- 2
- Last change of origin
- Feb 2022
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 193.255.120.0/22 | AS44639 | /22 | RIPE | RPKI valid |
| 193.255.0.0/16 | AS8517 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS44639 | RIPE | ULAKNET-MNT | Feb 17, 2022 |
Whois
Registration for this announcement
- Range
- 193.
255. 120. 0/ 22 - Netname
- ISIK-NET
- Registrant
- ISIK University
- Registrant country
- TR
- Organization
- ISIK University
- Org country
- TR
- Type
- ASSIGNED PA
- Created
- Jan 23, 2006
- Updated
- Jan 23, 2006
- Maintainer
- ULAKNET-MNT
- RIR
- RIPE NCC
- Country
- TR
- Delegated
- Feb 4, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ulakbim. gov. tr - Name
- Abuse-C Role
- Handle
- AR17404-RIPE