Data as of Nov 10, 2026
5.53.151.0/24
36 residential-proxy exits · 30 daysA1 Bulgaria EAD
Residential-proxy exits
Proxy exits
36
14% of its addresses · 30 days
Providers
45
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
1.1K observations
Proxy providers listing exits
- 711Proxy
- 911Proxy
- ASHBURNPROXIES
- AnyIP
- BartProxies
- BestProxy
- BirdProxies
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- EVOPROXY
- EnigmaProxy
- FastProxy
- GSocks
- GloryCloud
- GonzoProxy
- Infatica
- KindProxy
- LUMIPROXY
- LemonBright
- MangoProxy
- MoMoProxy
- NSocks
- NextProxy
- NodeProxy
- NovaProxy
- PROXYSCRAPE
- PROXYWING_BASIC
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- Proxyma
- RainProxy
- RapidProxy
- SPYDERPROXY_PREMIUM
- Shifter
- Smartproxy
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- ZENPROXY_PREMIUM
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 5.53.128.0/17 since Feb 2022 | AS8717 | Residential | 2,091 26 always on | A1 Bulgaria EAD |
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 |
|---|---|---|---|---|---|---|
| 5.53.128.0/17 | 32,768 | BG-MTELNET-20120529 | A1 Bulgaria EAD (ORG-MN1-RIPE) · BG | ALLOCATED PA | May 29, 2012 | RIPE. |
| └ 5.53.144.0/21 | 2,048 | sf-Moskom | A1 Bulgaria EAD | ASSIGNED PA | Jun 29, 2012 | RIPE. via BG-MTELNET-20120529 |
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 5.53.144.0/21
- Prefix
- 5.53.144.0/21
- Announced by
- AS13124 A1 Bulgaria EAD
- Type
- Residential
- Proxy exits
- 238
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- sf-Moskom
- Registrant
- A1 Bulgaria EAD
- RIR
- RIPE NCC
Registry
Holder
- Organization
- A1 Bulgaria EAD
- Handle
- ORG-MN1-RIPE
- Range
- 5.
53. 128. 0/ 17 - Registration type
- ALLOCATED PA
- Record created
- May 29, 2012
Routing timeline
Covering aggregate above, the prefix's own history below
5.53.144.0/21
Routing history
- Pattern
- Stable
- First seen
- Mar 2020
- Current origin since
- Mar 2020 · 6.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 5.53.144.0/21 | AS13124 | /21 | RIPE | RPKI valid |
| 5.53.128.0/17 | AS8717 | /17 | RIPE | Another network |
IRR
Route objects on 5.53.144.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS13124 | RIPE | A1BG_RSC_SFM | SPNET-MNT AS13124-MNT | Jan 9, 2026 |
Whois
Registration for this announcement
- Range
- 5.
53. 144. 0/ 21 - Netname
- sf-Moskom
- Registrant
- A1 Bulgaria EAD
- Registrant country
- BG
- Organization
- A1 Bulgaria EAD
- Org country
- BG
- Type
- ASSIGNED PA
- Created
- Jun 29, 2012
- Updated
- May 30, 2018
- Maintainer
- AS13124-MNT
- RIR
- RIPE NCC
- Country
- BG
- Delegated
- May 29, 2012
- Status
- assigned
Report abuse
Abuse contact
- RIPE.
Abuse@ a1. bg - Name
- A1 Bulgaria EAD Abuse
- Handle
- AR14215-RIPE