Data as of Nov 7, 2026
37.19.106.0/24
3 residential-proxy exits · 30 daysA1 Srbija d.o.o. Beograd
Residential-proxy exits
Proxy exits
3
1.2% of its addresses · 30 days
Providers
5
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
31 observations
Proxy providers listing exits
- FastProxy
- LemonBright
- RainProxy
- Shifter
- VitalExclusive
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 |
|---|---|---|---|---|---|---|
| 37.19.104.0/21 | 2,048 | RS-NOVIOP-20111223 | A1 Srbija d.o.o. Beograd (ORG-TD12-RIPE) · RS | ALLOCATED PA | Dec 23, 2011 | zloupotreba@ |
| └ 37.19.104.0/22 | 1,024 | A1_ | A1 Serbia public IP addresses | ASSIGNED PA | Apr 12, 2013 | zloupotreba@ via RS-NOVIOP-20111223 |
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 37.19.104.0/21
- Prefix
- 37.19.104.0/21
- Announced by
- AS44143 A1 Srbija d.o.o. Beograd
- Type
- Residential
- Proxy exits
- 1,023
- Always-on exits
- 5
- RPKI
- RPKI valid
- Netname
- RS-NOVIOP-20111223
- Registrant
- A1 Srbija d.o.o. Beograd
- RIR
- RIPE NCC
Routing timeline
Who has announced 37.19.104.0/21
37.19.104.0/21
Routing history
- Pattern
- Stable
- First seen
- Jan 2012
- Current origin since
- Jan 2012 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.19.104.0/21 | AS44143 | /21 | RIPE | RPKI valid |
IRR
Route objects on 37.19.104.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS44143 | RIPE | A1 Serbia pool | ROUTE-SRB | May 6, 2021 |
Whois
Registration for this announcement
- Range
- 37.
19. 104. 0/ 21 - Netname
- RS-NOVIOP-20111223
- Registrant
- A1 Srbija d.o.o. Beograd
- Registrant country
- RS
- Organization
- A1 Srbija d.o.o. Beograd (ORG-TD12-RIPE)
- Org country
- RS
- Type
- ALLOCATED PA
- Created
- Dec 23, 2011
- Updated
- Sep 14, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- RS
- Delegated
- Dec 23, 2011
- Status
- assigned
Report abuse
Abuse contact
- zloupotreba@
a1. rs - Name
- A1 SERBIA ABUSE-C
- Handle
- VMA21-RIPE