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Crisp Network Tools.

DNS, PTR, network whois, TCP connect, TLS certificate checks, port scan, ICMP ping, traceroute, and subnet planning, split into focused pages with output you can paste into a ticket or handoff note.

DNSQuery resource recordsCheck A/AAAA, MX, TXT, CNAME, NS, SOA, SRV, HTTPS/SVCB, TLSA, and DNSSEC records. PTRPTR lookupResolve an IP to PTR names and copy the dig or host command that proves it. WhoisNetwork whoisLook up IP allocations, parent subnets, ASNs, and ARIN handles through RDAP. TCPPort reachabilityTest a TCP connect to a specific port and log latency, loss, and each attempt. TLSCertificate checkInspect the presented certificate, SANs, issuer, expiry, protocol, cipher, and validation status. ScanPort scanScan a bounded TCP port list or small range. Still no surprise internet lawnmower. PingICMP pingReal ICMP only. TCP reachability stays a separate check. TraceTracerouteFollow the ICMP hop path to a host with TTL-stepped probes and ticket-ready output. LivevibePingerShare a 10 × 10 live ICMP board. Anyone with the link sees the same hosts and status. IPSubnet plannerPlan CIDR blocks, host ranges, overlaps, containment, reverse zones, and range summaries. CIDRSubnet calculatorSlide through IPv4 and IPv6 prefixes. See masks, address ranges, and exact counts instantly.

DNS

DNS lookup

Query common record types and copy the answers in a ticket-ready format.

PTR

Reverse DNS lookup

Find the PTR names for an IP address and copy the proof command.

Whois

Network whois

Look up an IP address, subnet, ASN, or ARIN network/entity handle through RDAP.

TCP

TCP port check

Test one host and port with latency, reachability, and attempt details.

TLS

TLS certificate check

Inspect certificate validity, HTTPS quality, HSTS, SANs, issuer, protocol, and cipher.

Port scan

Port scanner

Scan a bounded TCP port list or range like 50-100, with results added as batches finish.

Ping

ICMP ping

Send real ICMP echo requests and copy the latency, loss, and attempt trace.

vibePinger

Connecting…Ping worker starting…

Ten rows and ten host columns. Row names and occupied host cells are editable by everyone with this session link.
	1	2	3	4	5	6	7	8	9	10

Traceroute

Trace the ICMP or classic UDP hop path to a host with clean per-hop output and copyable notes.

Subnet calculator

One address. Every detail.

Calculated locally in your browser

IP address or CIDR

IPv4

Prefix length

Show binary

IP planner

Subnet planner

Start from a master network, reserve child blocks, label them, and export the plan.

Master network

About Net Bacon

Fast network checks, clean output.

Net Bacon is a small set of network checks for technicians and engineers: DNS answers, PTR lookups, network whois, TCP connects, TLS certificate inspection, port scans, ICMP ping, traceroute, and subnet planning. It keeps the protocol labels honest and formats the result so it can go straight into a ticket, change note, or handoff.

One check per page.Open the DNS, PTR, whois, TCP, port scan, ping, traceroute, or IP view without sorting through unrelated fields.

Protocol-honest.Ping means ICMP. TCP connect means TCP connect. No quiet fallback pretending to be something else.

Ticket-ready.Copy the summary, the values, the command, or the raw JSON depending on who needs the evidence.

Subnet planning built in.Carve up parent ranges, reserve child blocks, label them, and export the plan as CSV.