AS4133 — BITWISE

AS4133 announces 4 IPv4 prefixes covering 9,216 addresses and 0 IPv6 prefixes.

About this network

BITWISE is Bitwise Internet Technologies, Inc., a small Boston, Massachusetts internet and hosting company.

What it's used for

• Internet connectivity, web and server hosting, and network services for business customers in the Boston area.
• The announced space is a handful of legacy blocks, used for hosted systems and customer assignments rather than a large subscriber base.

Notable

• Bitwise is a long-lived independent operator rather than a carrier, and the registry contacts have been stable for a very long time, which is unusual in a space where small ISPs are typically absorbed or shut down.
• The ARIN autnum registration dates to 1994, and the announced prefixes are legacy 204.x and 207.x blocks from the same era.

Interesting

• Boston's early concentration of universities and technology companies produced a wave of small commercial ISPs in the mid-1990s. Very few of the ASNs handed out then are still announced by their original holder.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 204.97.222.0/23
• 204.249.32.0/20
• 207.41.208.0/20
• 208.29.160.0/23

Upstream networks

• AS6079 RCN

Adjacent networks

• AS6079 RCN