umgeher's changelog

nmap - asn scan

Produces a list of IP prefixes for a given routing AS number (ASN).

nmap --script targets-asn --script-args targets-asn.asn=ASN-NUMBER

Example:

$> nmap --script targets-asn --script-args targets-asn.asn=27693
Starting Nmap 7.91 ( https://nmap.org ) at 2023-03-17 20:08 UTC
Pre-scan script results:
| targets-asn:
|   27693
|     131.255.24.0/22
|     179.109.16.0/20
|     179.109.16.0/21
|     179.109.24.0/21
|     186.236.64.0/21
|     186.236.64.0/20
|     186.236.80.0/20
|     189.127.0.0/20
|     189.127.0.0/21
|     189.127.0.0/22
|     189.127.8.0/21
|     200.220.128.0/20
|     200.220.128.0/21
|_    200.220.136.0/21
WARNING: No targets were specified, so 0 hosts scanned.
Nmap done: 0 IP addresses (0 hosts up) scanned in 1.14 seconds

Articles from blogs I follow around the net

OpenBSD 7.7 Released

The OpenBSD project has announced OpenBSD 7.7, its 58th release. The new release contains a number of significant improvements, including but certainly not limited to: Multiple SMP improvements have been made. TCP output and TCP timers now run in parallel. Only TC…

via OpenBSD Journal 2025-04-27 18:30

Running repl commands in cider (emacs)

Ok, I will admit.. this took a while. But I have found a nice way of doing this. What is this? Well, let’s say let’s say that you have a command to start your server in user namespace. With this cool feature, now you can run this with a emacs command (or s…

via Lucas E M M. opinions 2025-04-23 19:46

Resistance from the tech sector

As of late, most of us have been reading the news with a sense of anxious trepidation. At least, those of us who read from a position of relative comfort and privilege. Many more read the news with fear. Some of us are already no longer in a position to read…

via Drew DeVault's blog 2025-04-20 00:00

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