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World Map

ASN Full List

Total ASNs: 118,434
AS153
Headquarters, USAISC
AS154
Headquarters, USAISC
AS39645
AS155
United States Department of Defense (DoD)
AS156
Northeastern University
AS157
HEWLETT PACKARD ENTERPRISE COMPANY
AS158
Ericsson Inc.
AS65515
Internet Assigned Numbers Authority
AS159
Ohio State University
AS160
The University of Chicago
AS161
Texas Instruments Incorporated
AS162
Navy Network Information Center (NNIC)
AS48422
ORG-IL490-RIPE
AS163
IBM
AS164
United States Department of Defense (DoD)
AS165
United States Department of Defense (DoD)
AS166
Institute for Defense Analyses
AS152325
ORG-LPL21-AP
AS167
Wesleyan University
AS168
University of Massachusetts - AMHERST
AS169
Air Force Systems Networking
AS170
United States Department of Defense (DoD)
AS394687
PORTFOLIO FINANCIAL SERVICING COMPANY
AS172
Headquarters, USAISC
AS173
ORG-NTAT1-AP
AS174
Cogent Communications, LLC
AS206520
ORG-HLFO1-RIPE
AS175
Air Force Systems Networking
AS176
Information Systems and Networks Corporation
AS177
University of Michigan
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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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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.