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Ben Cartwright-Cox

Personal blog · benjojo.co.uksecuritysystems

Ben Cartwright-Cox writes honk, a personal blog at benjojo.co.uk about security and systems. Since 2015, 9 different Hacker News readers have linked it 9 times, most often “Cloudflare Analyzes Login Credentials”. It is still writing: the last post was on 2026-11-02, and you can follow it by feed.

Visit the blog
9mentions?
9HN people?
2015–2025first – last linked?
Links on Hacker News per year · peak 3 in 2025

Too few sampled comments (4) to say how often HN recommends it.?

Why HN links it

HN readers link Ben Cartwright-Cox's blog for his IPv4 address-space graphs (such as the 44.0.0.0/8 map), his personal site that runs a Linux VM per visitor, and a post on Cloudflare logging.

Summarised by Claude from a sample of 4 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

Software Developer - Benjojo / Ben Cartwright Cox

Most-linked posts?

  1. /internet-2018.png
    2 people · 2 mentions · first linked 2018-04-24
  2. Cloudflare Analyzes Login Credentials
    2 people · 2 mentions · first linked 2025-03-17

What Hacker News says?

  1. Instead of this PR nonsense I feel the cloudflare news we should be discussing today is the fact that they just admitted to logging the usernames and passwords of users for websites which use their service. https://benjojo.co.uk/u/benjojo/h/cR4dJWj3KZltPv3rqX

    Comment linking /u/benjojo/h/cR4dJWj3KZltPv3rqX

    on “Chaos in the Cloudflare Lisbon Office”
  2. Submitted It seems that OpenAI is scraping [certificate transparency] logs as a story · 215 points

    HN discussion
  3. I nominate @benjojo's personal site which spawns a full on interactive linux VM running in the background for each visitor. https://benjojo.co.uk/

    Comment linking /

    on “The Whimsical Website Club”
  4. Submitted Someone was breaking into Orange Spain RIPE account (and break their /12) as a story · 123 points

    HN discussion
  5. Interesting to look at the usage of the block in the context of the entire IPv4 space (2018): https://benjojo.co.uk/internet-2018.png

    Comment linking /internet-2018.png

    on “Amateur radio digital communications 44.0.0.0/8 partial sell-off”
  6. Submitted Refresh for a new OS, VMs as homepage backgrounds as a story · 13 points

    HN discussion
  7. IPv4 address utilization is incredibly low. For example, consider 44.0.0.0/8 - it's sitting around almost entirely unallocated. UCSD Caida uses it for their network telescope (pretending to use it for amateur radio) and won't give it back. Just look at how dark it is: https://benjojo.co.uk/internet-2018.png (from https://blog.benjojo.co.uk/post/scan-ping-the-internet-hilbe... ) Discussion on r/amateurradio - https:/…

    Comment linking /internet-2018.png

    on “So Long Last /8 and Thanks For All the Allocations”
  8. Submitted Cloudflare Analyzes Login Credentials as a story · 6 points

    HN discussion
  9. Submitted Cogent AS174 and NTT AS2914 have de-peered in Europe as a story · 3 points

    HN discussion

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