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World Map

ASN Full List

Total ASNs: 118,020
AS5
WFA Group LLC
AS6
ATOS IT Solutions and Services, Inc.
AS7
ORG-TDSA4-RIPE
AS8
Rice University
AS9
Carnegie Mellon University
AS10
CSNET Coordination and Information Center (CSNET-CIC)
AS11
Harvard University
AS12
New York University
AS13
Headquarters, USAISC
AS14
Columbia University
AS15
DYNAMICS
AS16
Lawrence Berkeley National Laboratory
AS17
Purdue University
AS18
University of Texas at Austin
AS19
Leidos, Inc.
AS20
University of Rochester
AS21
The RAND Corporation
AS22
Navy Network Information Center (NNIC)
AS23
National Aeronautics and Space Administration
AS24
National Aeronautics and Space Administration
AS25
University of California at Berkeley
AS26
Cornell University
AS27
University of Maryland
AS28
ORG-DZFL1-RIPE
AS29
Yale University
AS30
SRI International
AS31
California Institute of Technology
AS32
Stanford University
AS33
HP Inc.
AS212092
ORG-TA1517-RIPE
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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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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.