Data as of Nov 4, 2026

159.100.0.0/19

17 residential-proxy exits · 30 days

firstcolo GmbH

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting

Residential-proxy exits

Proxy exits
17
0.21% of its addresses · 30 days
Always-on exits
5
29% of its exits
Spread
6 of 32
/24s with at least one exit
Providers
50
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

6.6K observations

/24s with the most always-on exits

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • Decodo
  • EnigmaProxy
  • Evomi
  • FlashProxy
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GonzoProxy
  • IPFly
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • Kookey
  • LemonLabs
  • MangoProxy
  • NSocks
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • RainProxy
  • Shifter
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy

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
159.100.4.0/24
since Jan 2024
AS44066Hostingfirstcolo GmbH
159.100.6.0/24
since Aug 2025
AS214036Hosting1firstcolo GmbH
159.100.9.0/24
since Aug 2025
AS214036Hosting1firstcolo GmbH
159.100.10.0/23
since Sep 2021
AS44066Hostingfirstcolo GmbH
159.100.13.0/24
since Aug 2025
AS214036Hostingfirstcolo GmbH
159.100.14.0/24
since Aug 2025
AS214036Hostingfirstcolo GmbH
159.100.17.0/24
since Aug 2025
AS214036Hosting4
1 always on
firstcolo GmbH
159.100.18.0/24
since Aug 2025
AS214036Hostingfirstcolo GmbH
159.100.19.0/24
since Aug 2025
AS214036Hosting5
4 always on
firstcolo GmbH
159.100.20.0/24
since Aug 2025
AS214036Hostingfirstcolo GmbH
159.100.22.0/24
since Aug 2025
AS214036Hostingfirstcolo GmbH
159.100.24.0/22
since Jan 2017
AS203833Hostingfirstcolo GmbH
159.100.29.0/24
since Aug 2025
AS214036Hosting2firstcolo GmbH
159.100.30.0/24
since Aug 2025
AS214036Hosting2firstcolo GmbH

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
159.100.0.0/198,192DE-FIRSTCOLOfirstcolo GmbH (ORG-AISG3-RIPE) · DELEGACYOct 21, 2016[email protected]
└ 159.100.6.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYOct 27, 2023[email protected]
└ 159.100.9.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYSep 8, 2023[email protected]
└ 159.100.13.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYSep 8, 2023[email protected]
└ 159.100.14.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYMay 17, 2024[email protected]
└ 159.100.17.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYMay 17, 2024[email protected]
└ 159.100.18.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYSep 3, 2025[email protected]
└ 159.100.19.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYSep 3, 2025[email protected]
└ 159.100.20.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYMay 17, 2024[email protected]
└ 159.100.22.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYAug 7, 2023[email protected]
└ 159.100.29.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYSep 8, 2023[email protected]
└ 159.100.30.0/24256ULTAHOSTUltaHost Inc (ORG-UI47-RIPE) · USLEGACYSep 8, 2023[email protected]

Network & registry

Origin network

AS44066

DE
Name
firstcolo GmbH
Type
Hosting
Registered
Nov 13, 2007
Domain
firstcolo.net
Website
firstcolo.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed