Interconnected Systems Inc.

Enterprise networking consultancy & free tools for network engineers — Canada

Who We Are

Interconnected Systems Inc. (ISI) is a Canadian enterprise networking and telecommunications consultancy founded in 2000. We design, implement, and support mission-critical network infrastructure for Canada's leading enterprises, combining deep vendor expertise with practical operational experience.

Our engineers hold certifications across Cisco (CCNA, CCNP, CCIE), Juniper (JNCIA, JNCIP), and HPE Aruba, with hands-on experience spanning BGP/MPLS core networks, SD-WAN deployments, AI fabric design, and network automation.

Technology Expertise

Cisco IOS / NX-OS / IOS-XR Juniper Junos HPE Aruba / CX BGP / MPLS / SRv6 SD-WAN AI Fabric / RoCEv2 Network Automation EVPN / VXLAN IPv4 / IPv6 Dual Stack Network Security VoIP / SIP / QoS Wireless (Wi-Fi 6/6E)

Free Network Tools

We publish free, professional-grade network diagnostic and security tools for network engineers, sysadmins, and security teams. All tools run server-side from our infrastructure in Toronto, Canada — no registration, no tracking, no limits.

IP Blacklist / RBL Checker IP Reputation Check URL Threat Scanner IPv4 Subnet Calculator IPv6 Subnet Calculator BGP / ASN Lookup Online Traceroute Advanced Traceroute (MPLS/ECMP) DNS Lookup DNSSEC Validator SPF / DMARC Checker MAC Vendor Lookup TCP Port Scanner Connection Quality Tester

Contact

Headquartered in Ontario, Canada. Serving enterprises nationwide.

1-877-368-1235 info@interconnectedsystems.net interconnectedsystems.net