Data as of Nov 12, 2026
193.231.3.0/24
1 residential-proxy exit · 30 daysCivil Engineering University of Bucharest · space held by Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
3
selling exits here
Oct 13, 2026 – Nov 11, 2026
Exits seen per day
7 observations
Proxy providers listing exits
- Proxyma
- Shifter
- Smartproxy
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 |
|---|---|---|---|---|---|---|
| 193.230.0.0/15 | 131,072 | RO-RNC-960722 | Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti (ORG-RA19-RIPE) · RO | ALLOCATED PA | Nov 3, 2003 | abuse@ |
| └ 193.231.3.0/24 | 256 | RO-UTCB | Universitatea Tehnica de Constructii Bucuresti | ASSIGNED PA | Feb 8, 2002 | abuse@ via RO-RNC-960722 |
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
IPv4 market
Holder
- Organization
- Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
- Handle
- ORG-RA19-RIPE
- Range
- 193.
230. 0. 0/ 15 - Registration type
- ALLOCATED PA
- Record created
- Nov 3, 2003
Origin network
AS16220
RO
- Name
- Civil Engineering University of Bucharest
- Type
- Education
- Registered
- Jan 30, 2001
- Domain
- utcb.ro
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16220 | RIPE | Civil Engineering University of Bucharest - ROMANIA | AS16220-MNT | Sep 22, 2001 |
Whois
Registration for this announcement
- Range
- 193.
231. 3. 0/ 24 - Netname
- RO-UTCB
- Registrant
- Universitatea Tehnica de Constructii Bucuresti
- Registrant country
- RO
- Organization
- Universitatea Tehnica de Constructii Bucuresti
- Org country
- RO
- Type
- ASSIGNED PA
- Created
- Feb 8, 2002
- Updated
- Nov 18, 2021
- Maintainer
- AS3233-MNT
- RIR
- RIPE NCC
- Country
- RO
- Delegated
- Dec 30, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
lir. ro - Name
- ABUSE ICI LIR
- Handle
- AIL26-RIPE