ttl

Fast, modern traceroute with real-time TUI, per-hop stats, ASN/geo lookup, ECMP detection, and MPLS label parsing. A better mtr.

Runs as ttl|macOS, Linux|github.com

Open form in Otty otty.toml

Command form

ai-draft · 2 tasks · 11 fields

Trace the path to one or more hosts with ttl. Output modes other than the report, replay, diff, Prometheus and enrichment options are left out.

Opens the form; the finished command lands at your prompt, unrun

Run in Otty

otty gui ttl

Trace routeExample values, fixed in this page — nothing here reaches a terminal

Basic

Targets*

string

Protocol

4 choicesenum

Advanced

Force IPv4

--ipv4

Force IPv6

--ipv6

Skip reverse DNS

--no-dns

TasksEach one presets the form for one job

Live trace

targetsprotocolipv4ipv6no_dns

100-round report

targetscountprotocolintervalno_dns

ParametersOnly these flags are editable in the form

Targets

Hostnames or IP addresses. Empty opens an interactive session.
string · positional 0 · repeatable

Rounds

0 runs until quit.
integer

--count-c

Interval (seconds)

number

--interval-i

Maximum TTL

integer

--max-ttl-m

Protocol

enum

--protocol-pautoicmpudptcp

ECMP flows

Needs UDP or TCP.
integer

--flows

Force IPv4

boolean

--ipv4-4

Force IPv6

boolean

--ipv6-6

Skip reverse DNS

boolean

--no-dns

Plain text output

boolean

--no-tui

Text report at end

Requires a round count.
boolean

--report

SourcesEvery flag above is checked against these

help

-c, --count <N> Probe rounds; 0 = run until quit (default: 0) -i, --interval <S> Seconds between rounds (default: 1.0) -m, --max-ttl <N> Maximum TTL, 1-64 (default: 30) -p, --protocol <P> auto, icmp, udp, tcp (default: auto) --flows <N> Flows for ECMP detection, 1-16 (default: 1; needs UDP or TCP)…

manual2026-10-27

github.com

Before it fills your prompt, Otty checks the installed ttl against its version. A form that does not match your version is not offered.