Data as of Nov 9, 2026
193.140.72.0/24
No anonymizer space · no proxy exits in 30 daysAS207263 · space held by National Academic Network and Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 193.140.0.0/16 since May 2005 | AS8517 | Business | 588 9 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 |
|---|---|---|---|---|---|---|
| 193.140.0.0/16 | 65,536 | TR-ULAKBIM-930901 | National Academic Network and Information Center (ORG-NANA1-RIPE) · TR | ALLOCATED PA | — | abuse@ |
| └ 193.140.72.0/22 | 1,024 | AS215977-NET | Tubitak Bilgem | ASSIGNED PA | Jul 26, 2024 | abuse@ via TR-ULAKBIM-930901 |
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.
140. 0. 0/ 16 - Registration type
- ALLOCATED PA
Origin network
AS207263
TR
- Type
- Education
- Registered
- Mar 11, 2020
- Domain
- tubitak.gov.tr
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2007
- Current origin since
- Apr 2020 · 6.6 yr
- Origin networks
- 2
- Last change of origin
- Jun 2023
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 193.140.72.0/22 | AS207263 | /24 | RIPE | RPKI valid |
| 193.140.0.0/16 | AS8517 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS207263 | RIPE | ULAKNET-MNT | Mar 16, 2020 |
Whois
Registration for this announcement
- Range
- 193.
140. 72. 0/ 22 - Netname
- AS215977-NET
- Registrant
- Tubitak Bilgem
- Registrant country
- TR
- Organization
- Tubitak Bilgem
- Org country
- TR
- Type
- ASSIGNED PA
- Created
- Jul 26, 2024
- Updated
- Jul 26, 2024
- 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