Data as of Nov 15, 2026
151.251.77.0/24
14 residential-proxy exits · 30 daysA1 Bulgaria EAD
Residential-proxy exits
Proxy exits
14
5.5% of its addresses · 30 days
Providers
45
selling exits here
Oct 16, 2026 – Nov 14, 2026
Exits seen per day
737 observations
Proxy providers listing exits
- 711Proxy
- 911Proxy
- 9HTTP
- BestProxy
- Byteful
- CliProxy
- DataImpulse
- EnigmaProxy
- Evomi
- FastProxy
- FuseProxy
- GSocks
- GeekProxy
- GhostConnect
- Infatica
- InfiniteProxies
- KocerRoxy
- LUMIPROXY
- LemonBright
- MangoProxy
- NSocks
- NodeProxy
- NovaProxy
- Oxylabs
- PROXYSCRAPE
- PSBProxy
- PrivateByte
- Proxies.fo
- Proxiware
- Proxmint
- Proxy-Seller
- Proxy302
- Proxy4U
- ProxyEmpire
- ProxyHat
- Proxyma
- Q2IP
- RainProxy
- Shifter
- Smartproxy
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- ZENPROXY_PREMIUM
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 151.251.0.0/16 since Feb 2022 | AS8717 | Residential | 6,171 104 always on | A1 Bulgaria EAD |
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 |
|---|---|---|---|---|---|---|
| 151.251.0.0/16 | 65,536 | BG-MTELNET-20120821 | A1 Bulgaria EAD (ORG-MN1-RIPE) · BG | ALLOCATED PA | Aug 21, 2012 | RIPE. |
| └ 151.251.76.0/22 | 1,024 | A17622 | unknown | ASSIGNED PA | Apr 20, 2022 | RIPE. via BG-MTELNET-20120821 |
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
Registry
Holder
- Organization
- A1 Bulgaria EAD
- Handle
- ORG-MN1-RIPE
- Range
- 151.
251. 0. 0/ 16 - Registration type
- ALLOCATED PA
- Record created
- Aug 21, 2012
Origin network
AS29580
BG
- Name
- A1 Bulgaria EAD
- Type
- Internet provider
- Registered
- Oct 15, 2003
- Domain
- a1.bg
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2023
- Current origin since
- Oct 2023 · 3.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 151.251.77.0/24 | AS29580 | /24 | RIPE | RPKI valid |
| 151.251.0.0/16 | AS8717 | /16 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS29580 | RIPE | A1BG_RSBG_SFL | SPNET-MNT HOMELAN-MNT | Jan 8, 2026 |
Whois
Registration for this announcement
- Range
- 151.
251. 76. 0/ 22 - Netname
- A17622
- Registrant country
- BG
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Apr 20, 2022
- Updated
- Apr 20, 2022
- Maintainer
- ORBITEL-NOC
- RIR
- RIPE NCC
- Country
- BG
- Delegated
- Aug 21, 2012
- Status
- assigned
Report abuse
Abuse contact
- RIPE.
Abuse@ a1. bg - Name
- A1 Bulgaria EAD Abuse
- Handle
- AR14215-RIPE