Data as of Nov 13, 2026
193.255.4.0/22
3 residential-proxy exits · 30 daysNational Academic Network and Information Center
Residential-proxy exits
Proxy exits
3
0.29% of its addresses · 30 days
Spread
2 of 4
/24s with at least one exit
Providers
4
selling exits here
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
16 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 193.255.6.0/24 | 0 | 2 | |
| 193.255.5.0/24 | 0 | 1 |
Proxy providers listing exits
- FastProxy
- InfiniteProxies
- LemonBright
- Proxiware
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 |
|---|---|---|---|---|---|---|
| 193.255.0.0/16 | 65,536 | TR-ULAKBIM-960206 | National Academic Network and Information Center (ORG-NANA1-RIPE) · TR | ALLOCATED PA | — | abuse@ |
| └ 193.255.4.0/22 | 1,024 | ISTANBUL-NET | Istanbul University | ASSIGNED PA | Apr 13, 2004 | 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
Announced by
Covering announcement 193.255.0.0/16
- Prefix
- 193.255.0.0/16
- Announced by
- AS8517 National Academic Network and Information Center
- Type
- Business
- Proxy exits
- 711
- Always-on exits
- 11
- RPKI
- RPKI valid
- Netname
- TR-ULAKBIM-960206
- Registrant
- National Academic Network and Information Center
- RIR
- RIPE NCC
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
Who has announced 193.255.0.0/16
193.255.0.0/16
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 |
|---|---|---|---|---|
| 193.255.0.0/16 | AS8517 | /24 | RIPE | RPKI valid |
IRR
Route objects on 193.255.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8517 | RIPE | ULAKNET | ULAKNET-MNT | Sep 22, 2001 |
Whois
Registration for this announcement
- Range
- 193.
255. 0. 0/ 16 - Netname
- TR-ULAKBIM-960206
- Registrant
- National Academic Network and Information Center
- Registrant country
- TR
- Organization
- National Academic Network and Information Center (ORG-NANA1-RIPE)
- Org country
- TR
- Type
- ALLOCATED PA
- Created
- Not stated by the registry
- Updated
- Mar 15, 2017
- Maintainer
- RIPE-NCC-HM-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