Data as of Nov 12, 2026
37.63.104.0/24
17 residential-proxy exits · 30 daysA1 Bulgaria EAD
Residential-proxy exits
Proxy exits
17
6.6% of its addresses · 30 days
Always-on exits
1
5.9% of its exits
Providers
37
selling exits here
Oct 13, 2026 – Nov 11, 2026
Exits seen per day
9.2K observations
Proxy providers listing exits
- AnyIP
- BestProxy
- BirdProxies
- BottingTools
- Bright Data
- Byteful
- CatProxies
- Decodo
- FastProxy
- GSocks
- Geonix
- GoProxies
- IPRoyal
- Infatica
- KocerRoxy
- LUMIPROXY
- LemonBright
- LemonPrime
- MangoProxy
- NSocks
- NodeProxy
- NovaProxy
- Oxylabs
- PROXYWING_BASIC
- Proxiware
- ProxyRack
- ProxyWing
- Proxyma
- RainProxy
- Shifter
- Smartproxy
- StrikeProxy
- Thordata
- ThunderProxy
- VitalExclusive
- Webshare
- ZENPROXY_PREMIUM
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 37.63.0.0/17 since Dec 2019 | AS8717 | Residential | 8,911 80 always on | A1 Bulgaria EAD |
Network & registry
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
- Nov 2022
- Current origin since
- Nov 2022 · 4.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.63.104.0/24 | AS29580 | /24 | RIPE | RPKI valid |
| 37.63.0.0/17 | AS8717 | /17 | 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
- 37.
63. 0. 0/ 17 - Netname
- BG-MTELNET-20120123
- Registrant
- A1 Bulgaria EAD
- Registrant country
- BG
- Organization
- A1 Bulgaria EAD (ORG-MN1-RIPE)
- Org country
- BG
- Type
- ALLOCATED PA
- Created
- Jan 23, 2012
- Updated
- Jan 4, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- BG
- Delegated
- Jan 23, 2012
- Status
- assigned
Report abuse
Abuse contact
- RIPE.
Abuse@ a1. bg - Name
- A1 Bulgaria EAD Abuse
- Handle
- AR14215-RIPE