• LogoWhatIsMyIP.com
  • 🔍
  • Pricing
  • API
  • Sign Up
  • Login
  • Help
  • What Is My IP?
  • IP Tools
    • IP Address Lookup
    • IP WHOIS Lookup
    • DNS Lookup
    • Reverse DNS Lookup
    • IP Address Blacklist Check
    • Hostname Lookup
    • Random IP Generator
    • API
  • Privacy Tools
    • Data Breach Check
    • Proxy Check
    • Change My IP Address
    • Hide My IP Address
    • Password Generator
    • Password Strength Test
    • PIN Generator
    • VPN Leak Test Coming Soon!
    • Browser Fingerprint Coming Soon!
  • Network Tools
    • Internet Speed Test
    • Jitter Test
    • Port Scanner
    • Subnet Calculator
    • CIDR Calculator
    • File Size Converter
    • Number System Converter
    • Server Headers Check
    • ASN
  • Email Tools
    • Email Header Analyzer
    • MX Lookup
    • SPF Checker
    • How To Trace An Email
  • Device Information
    • User Agent
    • Screen Resolution
  • Popular Private IP Addresses
    • What Is An IP Address?
    • What Is A Router?
    • What Is A Private IP Address?
    • 192.168.1.1
    • 192.168.11.1
    • 192.168.1.254
    • 192.168.0.1
    • 10.0.0.1
    • Router Login
HomeIP LookupWHOISDNS LookupSpeed TestToolsPricingAPILoginSign UpHelp

AS2856 81.128.0.0/13 CIDR and IP Range Summary.

ASN: 2856 - British Telecommunications Plc
Host Count: 524286
Addressable IPs: 524288
81.128.0.0/16
81.128.0.0/16
81.128.0.0/16
81.128.0.0/16
81.128.0.0/16
81.128.0.0/16
81.128.0.0/16
81.128.0.0/16
Write us
Managed by InternetAdmins.com
501 Union St Ste 545 PMB 94218
Nashville, TN 37219-1876, US
Contact Us
Contact Us
Mon-Fri 9AM-5PM (ET, USA)
Follow Us
FacebookXYouTube
logo

WhatIsMyIp.com®

WhatIsMyIP.com® makes it easy to find your public IP address and understand its role in your online experience. From network troubleshooting to privacy protection, we provide reliable tools and expert tips to help you stay informed and in control.

Useful Links

  • Home
  • Cuál es mi IP?
  • About Us
  • Qual è il Mio IP?
  • Tools
  • Quel Est Mon IP?
  • Advertising
  • Wie Ist Meine IP?

Explore & Learn

Find answers fast. Search WhatIsMyIP.com ®

Copyright © 2025 WhatIsMyIP.com ®

  • Terms
  • Do Not Sell My Info
  • Privacy Policy
  • Sitemap

All trademarks and registered trademarks are the property of their respective owners.

Get IP Geolocation service from IP2Location.com.

ipdata.co also offers geolocation services.

Anonymous Proxy database available at IP2Proxy.com.