154.12.6.107
An address in Waltham, Massachusetts, United States, used by Charles River Operation, LLC, announced by Charles River Operation (AS64249). It's hosting space and an SSH server on port 22.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Waltham
- Region
- Massachusetts
- Postal code
- 02453
- Country
- United States
- Continent
- North America
- Coordinates
- 42.3765, -71.2356
- Timezone
- America/New_York
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Charles River Operation, LLC
- Domain
- endoffice.com
- Type
- Business
- Registered in
- United States
- AS number
- AS64249
- Name
- Charles River Operation
- Prefix
- 154.12.6.0/24
- RPKI
- Not found
- Type
- Business
- Domain
- endoffice.com
- Registered in
- United States
- Name
- Charles River Operation, LLC
- Network name
- NET4-9A0C060018
- Organization
- RW-cogent-c3778fa5ef55b635
- Registry
- RWhois
- Country
- US
- Id
- NET4-9A0C060018
- Name
- Charles River Operation, LLC
- Source
- COGENT
- Name
- Cogent Abuse
- abuse@cogentco.com
- Address
- 300 5TH AVENUE, WALTHAM, MA, 02451
- Network
- 154.12.0.0-154.12.255.255
Anonymity
Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.
Network
What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- Port
- 22
- Banner
- SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u7
- Host key
- SHA256:5395629add496e8ace5e7008a3caf6f61ed8a33e758e4a8ae70cc2a7ddd189f2
- Handshake
- Completed
- First seen
- 2026-07-29
- Last seen
- 2026-08-28
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.