154.12.6.122
An address in Waltham, Massachusetts, United States, used by Charles River Operation, LLC, announced by Charles River Operation (AS64249). It's hosting space, an SSH server on port 22, and a web server on ports 80 and 443.
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_9.9
- Host key
- SHA256:b65cfca3e0e1112a91aa63da0c0d723a54fb6af1aa084a9d85b8c1f21e91dbdb
- Handshake
- Completed
- First seen
- 2026-07-29
- Last seen
- 2026-10-21
- 80 status
- 301
- 80 redirect
- https://a5hndysz.repo.borgbase.com/
- 80 server
- nginx
- 80 title
- 301 Moved Permanently
- 80 seen
- 2026-07-24 to 2026-10-18
- 443 status
- 401
- 443 server
- nginx
- 443 TLS
- TLSv1.3
- 443 certificate
- *.repo.borgbase.com
- 443 issuer
- C=US, O=Let's Encrypt, CN=YE1
- 443 browser-trusted
- Yes
- 443 seen
- 2026-07-24 to 2026-10-11
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