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World Map

ASN Full List

Total ASNs: 118,433
AS125
Honeywell International, Inc.
AS126
United States Department of Defense (DoD)
AS127
Jet Propulsion Laboratory
AS129
United States Department of Defense (DoD)
AS130
Space Communications Division
AS131
University of California, Santa Barbara
AS132
Air Force Systems Networking
AS133
Air Force Systems Networking
AS134
Fleet Analysis Center
AS135
United States Department of Defense (DoD)
AS136
Air Force Systems Networking
AS137
ORG-GIRa1-RIPE
AS138
United States Department of Defense (DoD)
AS139
Navy Network Information Center (NNIC)
AS140987
ORG-GOTM1-AP
AS140
United States Department of Defense (DoD)
AS141
Navy Network Information Center (NNIC)
AS143
1881CS/XPC
AS38274
ORG-PMI1-AP
AS144
Lucent Technologies/Bell Laboratories
AS145
Verizon Business
AS146
Air Force Systems Networking
AS147
United States Department of Defense (DoD)
AS36196
Comcast Cable Communications, LLC
AS148
Navy Network Information Center (NNIC)
AS149
United States Department of Defense (DoD)
AS150
United States Department of Defense (DoD)
AS151
HP Inc.
AS213036
ORG-SW122-RIPE
AS152
SRI International
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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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