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World Map

ASN Full List

Total ASNs: 118,437
AS2529
London, United Kingdom
AS2530
Ciba (CIBA-GEIGY AG) TeleCommunication Services (TCS)
AS2531
United States Department of Defense (DoD)
AS20073
RPI PRINT, INC.
AS2532
Library of Congress
AS2533
MIS Group
AS2534
Hoffmann LaRoche, Inc.
AS4681
AS2535
BP America, Inc.
AS2536
Texas Commission on Alcohol & Drug Abuse
AS2537
Wellington
AS2538
IBM
AS2539
GlaxoSmithKline
AS2540
Ingres Information Services
AS2541
ORG-SIOS32-RIPE
AS2542
AS2543
University of California, Irvine
AS2544
King County Gov
AS2545
Air Force Systems Networking
AS2546
ORG-NCOS1-RIPE
AS2547
ORG-BUOT2-RIPE
AS2548
Verizon Business
AS2550
Air Force Systems Networking
AS2551
Level 3 Parent, LLC
AS2552
Washington University
AS2553
Florida State University
AS2554
IDC Frontier Inc.
AS2555
Cogent Communications, LLC
AS2556
Cogent Communications, LLC
AS2557
Cogent Communications, LLC
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Tools

Subnetting
  • IPv4 Subnet Calculator
  • IPv6 Subnet Calculator
  • Address Count
  • IPv4 CIDR Split
  • IPv6 CIDR Split
CIDR
  • CIDR ↔ Netmask
  • Wildcard Mask
  • IPv4 Range ↔ CIDR
  • IPv6 Range ↔ CIDR
  • Aggregator
  • Difference
  • Overlap
  • Contains
  • Gaps
  • Next Available
IP
  • IPv6 Expand/Compress
  • IPv4 Representations
  • IPv4 ↔ IPv6 (mapped)
  • IPv6 NAT64
  • IPv6 6to4
  • IPv6 Teredo
  • Solicited-Node
  • IPv6 Zone ID
  • MAC ↔ EUI-64
  • ULA Generator
  • Nth IP
  • IP Distance
  • Random IP
  • Enumerate
  • IP Regex
  • Bogon / Reserved IP Checker
DNS
  • DNS Lookup
  • Reverse DNS & FCrDNS
  • WHOIS Lookup
  • PTR Generator
  • TTL Calculator
  • Record Validator
  • CAA Validator
  • SPF / DKIM / DMARC Analyzer
  • EDNS Size
  • Label Normalizer

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Based on Vercel example

To protect your privacy, we utilize IP addresses solely for processing your requests.

Please be aware that IP geolocation information may not always be accurate or up-to-date.

We do not store query logs or actively collect any additional information associated with your current IP address.