Dev tools · alternatives · 2026

24 alternatives to IPv6 Systems

IPv6 Systems complete IPv6 Test Suite, 25 Global locations.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. IPv6 Systems launched in 2022; newer entries below may have overtaken it.

1
IPv6 / IPv4 Connectivity Test▲8
Test your IPv6 readiness instantly in your browser
Oct 2025 · test-ipv6.run · its alternatives →
2
IPv6 Test -IPv6 Test▲6
IPv6 Test
2023 · its alternatives →
3
Web Load Speed Test▲320
Test your website load speed from 6 locations at once
2017 · its alternatives →
4
WorldIP.io▲17
Owner, ASN, GEO, PTR, BGP & more for every IPv4 address
Jul 2026 · worldip.io · its alternatives →
5
IPv6 Proxies▲64
Fast & anonymous IPv6 Proxy, unlimited concurrent sessions
2023 · its alternatives →
6
Global Website Speed Test▲134
Test website load speed from 18 cities, including 3 in China
2019 · its alternatives →
7AS
A Short IPv6 Guide for Home IPv4 Admins▲69
2024 · gist.github.com · its alternatives →
8GH
Global HTTP Latency Test▲34
2013 · geoping.com · its alternatives →
9
Random IP Addresses▲6
Essential tool for developers, network engineers
2025 · whatismyipaddressinquire.com · its alternatives →
10
MyIpAddressFast▲8
Ipv4 & ipv6 address lookup & location finder
2025 · its alternatives →
11IL
IP Lookup▲72
2013 · iplook.herokuapp.com · its alternatives →
12PI
Ping6.it▲6
ping6.it can compare IPv4 vs IPv6 side by side, from the same probes. You can run: - ping - traceroute - mtr - dns - http …and immediately see where v6 behaves differently (latency, loss, reachability, path).
Jan 2026 · ping6.it · its alternatives →
13
Ziny Proxy▲30
Buy clean & reliable private proxy servers
Nov 2025 · ziny.io · its alternatives →
14
DDoS detection in 0.9s, tested against a 48 Gbps attack live▲15
When a multi-vector DDoS attack hit Lorikeet Security
Apr 2026 · flowtriq.com · its alternatives →
15
WhatsMyIPLive▲5
Free IP detection, geolocation, and network diagnostic tools
Dec 2025 · whatsmyiplive.com · its alternatives →
16
openip▲5
What Is My Public IP Address | IP Check & Risk Assessment
2024 · its alternatives →
17
Review My DNS▲7
Check DNS propagation across 50+ global servers
Nov 2025 · reviewmydns.com · its alternatives →
18
What Is My IP Address▲18
Check ip address location | ip lookup tool
2025 · its alternatives →
19PT
Ping times between major cities (where we have a server)▲23
2012 · wondernetwork.com · its alternatives →
20IP
IPpy – Parallel testing of IP addresses and domains in python▲18
2017 · github.com · its alternatives →
21OD
Open database tracking 77K public DNS servers every 10 minutes▲7
Hey HN! We built DNS Directory (https://dnsdirectory.com), a free, searchable database of public DNS servers with live monitoring every 10 minutes. We needed to find an up-to-date list of DNS servers used by carriers around the world for a proxy fingerprinting / web-scraping project but we were shocked to find that it didn’t exist so we built it ourselves in an internal Hackathon We’re adding more features but so far we: Test 77K+ servers every ~10 minutes Allow filtering by uptime, location, security features (ad blocking, malware protection, DNSSEC) Show info on IPv6…
Dec 2025 · dnsdirectory.com · its alternatives →
22
IPWhere▲5
Free IP geolocation API with sub-300ms response times
Dec 2025 · ipwhere.site · its alternatives →
23
FreeWWW IP Address Lookup▲2
Check your IP, network details, location, and privacy
Aug 2026 · freewww.com · its alternatives →
24NS
Network Speed Test Against Digital Ocean (NYC, FRA, TOR, SGP)▲7
2020 · keychest.net · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →