LAYER3 INTEL
Get started
Sign in
Data as of Nov 9, 2026

81.21.81.0/24

10 residential-proxy exits · 30 days

Ultel LLC

Announcement
81.21.80.0/21
RPKI valid
Announced by
AS39280
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
10
3.9% of its addresses · 30 days
Providers
36
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

2.5K observations

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • AnyIP
  • BirdProxies
  • BottingTools
  • Byteful
  • DataImpulse
  • Decodo
  • FastProxy
  • FlashProxy
  • Geonode
  • HideProxy
  • IPOasis
  • IPPeak
  • Infatica
  • InfiniteProxies
  • LemonBright
  • MangoProxy
  • NSocks
  • NodeMaven
  • NovaProxy
  • Novada
  • Oxylabs
  • Proxies.fo
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • RealProxy
  • ResiProxies
  • Shifter
  • StrikeProxy
  • Thordata
  • VibeProxies
  • VitalExclusive

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
81.21.80.0/204,096AZ-ULTEL-20060113Ultel LLC (ORG-UL12-RIPE) · AZALLOCATED PAJan 13, 2006abuse@ultel.net
└ 81.21.81.0 - 81.21.82.255512AZ-ULTELUltel LLC (ORG-UL12-RIPE) · AZASSIGNED PAAug 18, 2010abuse@ultel.net

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 81.21.80.0/21

Prefix
81.21.80.0/21
Announced by
AS39280 Ultel LLC
Type
Residential
Proxy exits
21
RPKI
RPKI valid
Netname
AZ-ULTEL-20060113
Registrant
Ultel LLC
RIR
RIPE NCC
Origin network

AS39280

AZ
Name
Ultel LLC
Type
Internet provider
Registered
Jan 23, 2006
Domain
ultel.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed