Data as of Nov 3, 2026
37.63.112.0/21
67 residential-proxy exits · 30 daysA1 Bulgaria EAD
Residential-proxy exits
Proxy exits
67
3.3% of its addresses · 30 days
Always-on exits
2
3.0% of its exits
Spread
6 of 8
/24s with at least one exit
Providers
67
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
7.3K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 37.63.115.0/24 | 1 | 11 | |
| 37.63.119.0/24 | 1 | 9 | |
| 37.63.113.0/24 | 0 | 16 | |
| 37.63.116.0/24 | 0 | 14 | |
| 37.63.114.0/24 | 0 | 10 | |
| 37.63.112.0/24 | 0 | 6 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BestProxy
- BirdProxies
- BlurPath
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GloryCloud
- GonzoProxy
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KocerRoxy
- Kookey
- LemonBright
- LemonLabs
- LightningProxies
- LudaxProxy
- MangoProxy
- MoMoProxy
- NSocks
- NiuProxy
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PrivateByte
- Proxio
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- RoamProxy
- RolaProxy
- Shifter
- Smartproxy
- StrikeProxy
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- Webshare
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 37.63.112.0/24 since Oct 2022 | AS29580 | Residential | 6 | A1 Bulgaria EAD | |
| 37.63.113.0/24 since Oct 2022 | AS29580 | Residential | 16 | A1 Bulgaria EAD | |
| 37.63.114.0/23 since Oct 2022 | AS29580 | Residential | 21 1 always on | A1 Bulgaria EAD | |
| 37.63.116.0/24 since Oct 2022 | AS29580 | Residential | 14 | A1 Bulgaria EAD | |
| 37.63.117.0/24 since Oct 2022 | AS29580 | Residential | A1 Bulgaria EAD | ||
| 37.63.118.0/24 since Oct 2022 | AS29580 | Residential | A1 Bulgaria EAD | ||
| 37.63.119.0/24 since Oct 2022 | AS29580 | Residential | 9 1 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 |
|---|---|---|---|---|---|---|
| 37.63.0.0/17 | 32,768 | BG-MTELNET-20120123 | A1 Bulgaria EAD (ORG-MN1-RIPE) · BG | ALLOCATED PA | Jan 23, 2012 | [email protected] |
| └ 37.63.112.0/21 | 2,048 | GPON-SofiaNorth-2 | GPON Services | ASSIGNED PA | Oct 17, 2012 | [email protected] via BG-MTELNET-20120123 |
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 37.63.0.0/17
- Prefix
- 37.63.0.0/17
- Announced by
- AS8717 A1 Bulgaria EAD
- Type
- Residential
- Proxy exits
- 8,585
- Always-on exits
- 101
- RPKI
- RPKI valid
- Netname
- BG-MTELNET-20120123
- Registrant
- A1 Bulgaria EAD
- RIR
- RIPE NCC
Routing timeline
Who has announced 37.63.0.0/17
37.63.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Feb 2012
- Current origin since
- Dec 2019 · 6.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.63.0.0/17 | AS8717 | /17 | RIPE | RPKI valid |
IRR
Route objects on 37.63.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8717 | RIPE | Spectrum Net Jsc | SPNET-MNT | Jan 23, 2012 |
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
- [email protected]
- Name
- A1 Bulgaria EAD Abuse
- Handle
- AR14215-RIPE