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Data as of Nov 12, 2026

37.63.48.0/21

134 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
134
6.5% of its addresses · 30 days
Always-on exits
8
6.0% of its exits
Spread
8 of 8
/24s with at least one exit
Providers
98
selling exits here
Oct 13, 2026 – Nov 11, 2026

Exits seen per day

29K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
37.63.53.0/24219
37.63.54.0/24218
37.63.51.0/24211
37.63.52.0/24125
37.63.55.0/24118
37.63.49.0/24017
37.63.50.0/24016
37.63.48.0/24012

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 911Proxy
  • 9Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BestProxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LUMIPROXY
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • Maskify
  • MoMoProxy
  • NSocks
  • NextProxy
  • NiuProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYSCRAPE
  • PROXYWING_BASIC
  • PrivateByte
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • Q2IP
  • QUANTICDATA
  • RainProxy
  • RapidProxy
  • RoamProxy
  • RolaProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • Smartproxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • Webshare
  • YumiProxy
  • 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
37.63.48.0/24
since Apr 2023
AS29580Residential12A1 Bulgaria EAD
37.63.49.0/24
since Apr 2023
AS29580Residential17A1 Bulgaria EAD
37.63.50.0/24
since Mar 2023
AS29580Residential16A1 Bulgaria EAD
37.63.51.0/24
since Mar 2023
AS29580Residential11
2 always on
A1 Bulgaria EAD
37.63.52.0/24
since Mar 2023
AS29580Residential25
1 always on
A1 Bulgaria EAD
37.63.53.0/24
since Mar 2023
AS29580Residential19
2 always on
A1 Bulgaria EAD
37.63.54.0/24
since Mar 2023
AS29580Residential18
2 always on
A1 Bulgaria EAD
37.63.55.0/24
since Mar 2023
AS29580Residential18
1 always on
A1 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
└ 37.63.48.0/212,048GPON-VelikoTarnovo-North-1GPON 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