Data as of Nov 4, 2026
37.17.48.0/20
15 residential-proxy exits · 30 daysUnitary enterprise A1
Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Risk
10 / 100 · Low
Shared address
Residential-proxy exits
Proxy exits
15
0.37% of its addresses · 30 days
Always-on exits
2
13% of its exits
Spread
11 of 16
/24s with at least one exit
Providers
35
selling exits here
Oct 5, 2026 – Nov 3, 2026
Exits seen per day
12K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 37.17.60.0/24 | 1 | 2 | |
| 37.17.51.0/24 | 1 | 1 | |
| 37.17.55.0/24 | 0 | 2 | |
| 37.17.56.0/24 | 0 | 2 | |
| 37.17.62.0/24 | 0 | 2 | |
| 37.17.52.0/24 | 0 | 1 | |
| 37.17.53.0/24 | 0 | 1 | |
| 37.17.57.0/24 | 0 | 1 | |
| 37.17.59.0/24 | 0 | 1 | |
| 37.17.61.0/24 | 0 | 1 | |
| 37.17.63.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- AnyIP
- BartProxies
- BirdProxies
- BlurPath
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- EnigmaProxy
- FlashProxy
- GSocks
- Geonix
- GonzoProxy
- IPFly
- IPOasis
- Infatica
- LemonLabs
- LightningProxies
- MangoProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyHat
- Proxyma
- PuraRoute
- RainProxy
- Shifter
- Smartproxy
- VantageProxies
- VibeProxies
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 37.17.0.0/17 since Dec 2011 | AS42772 | Mobile | 1,941 12 always on | Unitary enterprise A1 |
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 |
|---|---|---|---|---|---|---|
| 37.17.0.0/17 | 32,768 | BY-MDC-20111219 | Unitary enterprise A1 (ORG-JMDC1-RIPE) · BY | ALLOCATED PA | Dec 19, 2011 | abuse@ |
| └ 37.17.0.0/18 | 16,384 | A1-BELARUS | Unitary enterprise A1 (ORG-JMDC1-RIPE) · BY | ASSIGNED PA | Mar 28, 2012 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Unitary enterprise A1
- Handle
- ORG-JMDC1-RIPE
- Range
- 37.
17. 0. 0/ 17 - Registration type
- ALLOCATED PA
- Record created
- Dec 19, 2011
Origin network
AS42772
BY
- Name
- Unitary enterprise A1
- Type
- Internet provider
- Registered
- Apr 13, 2007
- Domain
- a1.by
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2017
- Current origin since
- May 2017 · 9.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.17.48.0/20 | AS42772 | /20 | RIPE | RPKI valid |
| 37.17.0.0/17 | AS42772 | /17 | RIPE | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS42772 | RIPE | MNT-MDC | Nov 16, 2017 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 37.17.61.0/24 | AS42772 | RIPE | MNT-MDC | Apr 19, 2023 |
Whois
Registration for this announcement
- Range
- 37.
17. 0. 0/ 18 - Netname
- A1-BELARUS
- Registrant
- Unitary enterprise A1
- Registrant country
- BY
- Organization
- Unitary enterprise A1 (ORG-JMDC1-RIPE)
- Org country
- BY
- Type
- ASSIGNED PA
- Created
- Mar 28, 2012
- Updated
- Feb 12, 2026
- Maintainer
- MNT-MDC
- RIR
- RIPE NCC
- Country
- BY
- Delegated
- Dec 19, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
a1. by - Name
- Velcom RIPE Admins
- Handle
- VELC-RIPE