Data as of Nov 8, 2026
193.255.22.0/24
6 residential-proxy exits · 30 daysNational Academic Network and Information Center
Residential-proxy exits
Proxy exits
6
2.3% of its addresses · 30 days
Providers
8
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
41 observations
Proxy providers listing exits
- AnyIP
- Byteful
- FastProxy
- FloppyData
- LemonBright
- RainProxy
- Shifter
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 193.255.0.0/16 since May 2005 | AS8517 | Business | 673 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. | 1,792 | ISTANBUL-CERRAHPASA-NET | Istanbul Universitesi - Cerrahpasa | ASSIGNED PA | Dec 6, 2021 | 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
AS8517
TR
- Name
- National Academic Network and Information Center
- Type
- Education
- Registered
- Oct 21, 1997
- Domain
- ulakbim.gov.tr
- Website
- www.ulakbim.gov.tr
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2023
- Current origin since
- Dec 2023 · 2.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 193.255.0.0/16 | AS8517 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 193.
255. 16. 0 - 193. 255. 22. 255 - Netname
- ISTANBUL-CERRAHPASA-NET
- Registrant
- Istanbul Universitesi - Cerrahpasa
- Registrant country
- TR
- Organization
- Istanbul Universitesi - Cerrahpasa
- Org country
- TR
- Type
- ASSIGNED PA
- Created
- Dec 6, 2021
- Updated
- Dec 6, 2021
- 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