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Data as of Nov 11, 2026

37.63.40.0/21

97 residential-proxy exits · 30 days

A1 Bulgaria EAD

Announcement
37.63.0.0/17
RPKI valid
Announced by
AS8717
Type
Residential

Residential-proxy exits

Proxy exits
97
4.7% of its addresses · 30 days
Always-on exits
4
4.1% of its exits
Spread
8 of 8
/24s with at least one exit
Providers
87
selling exits here
Oct 12, 2026 – Nov 10, 2026

Exits seen per day

36K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
37.63.46.0/24216
37.63.44.0/24214
37.63.42.0/24016
37.63.40.0/24014
37.63.41.0/24013
37.63.45.0/24011
37.63.43.0/2407
37.63.47.0/2406

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 911Proxy
  • 9Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BestProxy
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • DataImpulse
  • Decodo
  • EVOPROXY
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • KindProxy
  • Kookey
  • LUMIPROXY
  • LemonBright
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • MoMoProxy
  • NSocks
  • NextProxy
  • NiuProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYSCRAPE
  • PROXYWING_BASIC
  • Proxio
  • Proxiware
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • QUANTICDATA
  • RainProxy
  • RapidProxy
  • RoamProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy
  • Webshare
  • ZENPROXY_PREMIUM

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
37.63.40.0/24
since Jun 2023
AS29580Residential14A1 Bulgaria EAD
37.63.41.0/24
since Apr 2023
AS29580Residential13A1 Bulgaria EAD
37.63.42.0/24
since Apr 2023
AS29580Residential16A1 Bulgaria EAD
37.63.43.0/24
since Apr 2023
AS29580Residential7A1 Bulgaria EAD
37.63.44.0/24
since Apr 2023
AS29580Residential14
2 always on
A1 Bulgaria EAD
37.63.45.0/24
since Apr 2023
AS29580Residential11A1 Bulgaria EAD
37.63.46.0/24
since Apr 2023
AS29580Residential16
2 always on
A1 Bulgaria EAD
37.63.47.0/24
since Mar 2023
AS29580Residential6A1 Bulgaria EAD

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
37.63.0.0/1732,768BG-MTELNET-20120123A1 Bulgaria EAD (ORG-MN1-RIPE) · BGALLOCATED PAJan 23, 2012RIPE.Abuse@a1.bg
└ 37.63.40.0/212,048GPON-VelikoTarnovo-South-2GPON ServicesASSIGNED PAOct 17, 2012RIPE.Abuse@a1.bg
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

AnnouncementRouting historyRPKI & IRRWhois & abuse
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