printed reference sheets

The subnet, port and command charts from this site, printed on Letter-size sheets for your wall or desk.

status

Not for sale yet. The artwork is finished and the first test prints are being ordered. There is no price, store or ship date to give you today.

To hear when they are available, use the feedback link at Lawson Cyber and mention the sheets.

address atlas & port harbor

Address Atlas and Port Harbor, Portolan edition: a parchment sheet with an IPv4 subnet table and a table of well-known ports, framed with a compass rose and a ship's anchor.
Portolan (day)
Address Atlas and Port Harbor, Vellum edition: the same sheet in indigo with gold lettering.
Celestial Vellum (night)
  • Address Atlas: IPv4 prefix lengths (/8, /12 and /16 to /32) with masks and host counts, the special-use ranges, and the common IPv6 prefixes.
  • Port Harbor: well-known TCP and UDP ports and protocol numbers, checked against the IANA registry when the sheet is built.
  • The same data as the Subnet Calculator, readable without a laptop.

rosetta codex

Rosetta Codex, Portolan edition: a parchment sheet with a table of the same network command in six vendor syntaxes.
Portolan (day)
Rosetta Codex, Vellum edition: the command table in indigo with gold lettering.
Celestial Vellum (night)
  • 36 everyday tasks, two sides, each shown in six vendor syntaxes: Cisco IOS-XE, NX-OS and ASA, Palo Alto PAN-OS, Juniper Junos and Arista EOS.
  • Built from vendor documentation. The commands are being checked on real devices before the sheets go on sale.

details

  • Letter size, 8.5 by 11 inches. Two matched editions, Portolan for a bright office and Celestial Vellum for a dim one.
  • The material and finish are not decided yet. Test prints will settle that before anything is listed.
  • Each sheet carries a QR code back to this site. It is tagged by sheet and edition, so the site's page statistics can count which sheet sent a visitor. See the privacy page.

Last updated 2026-10-06.