4.21.238.62
IPv4 address
4.21.238.62
An address in Denver, Colorado, United States, announced by Level 3 Parent, LLC (AS3356). It's a web server on port 443.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Denver
- Region
- Colorado
- Postal code
- 80203
- Country
- United States
- Continent
- North America
- Coordinates
- 39.7392, -104.9847
- Timezone
- America/Denver
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Level 3 Parent, LLC
- Domain
- lumen.com
- Type
- ISP
- Registered in
- United States
- AS number
- AS3356
- Name
- Level 3 Parent, LLC
- Prefix
- 4.0.0.0/9
- RPKI
- Not found
- Type
- ISP
- Domain
- lumen.com
- Registered in
- United States
- Name
- Level 3 Parent, LLC
- Network name
- LVLT-ORG-4-8
- Organization
- LPL-141
- Status
- allocation
- Registry
- ARIN
- Domain
- level3.com
- Abuse
- abuse@level3.com
- Name
- L3 Abuse Contact
- abuse@level3.com
- Phone
- +1-877-453-8353
- Address
- 100 CenturyLink Drive, Monroe, LA, 71203
- Network
- 4.0.0.0-4.127.255.255
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.
- 443 status
- 302
- 443 redirect
- /csf94340d/cat1k/config/log_off_page.htm
- 443 server
- GoAhead-Webs
- 443 TLS
- TLSv1.3
- 443 certificate
- 4.21.238.62
- 443 issuer
- C=\ \ , ST=\ , L=\ , CN=4.21.238.62, O=\ , OU=\
- 443 browser-trusted
- No
- 443 seen
- 2026-08-28 to 2026-10-19
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