THE INTERNET, IN CONTEXT
Every name.
A world behind it.
Look beyond the address.
Discover the domains, networks and identities that connect us.
+WHOIS · RDAP · WEB3OPEN TO EXPLORE
A few places to start
No sign-up needed02 / THE DETAILS0.15s
IP / NETWORK
157.121.231.49
Record retrieved
At a glance01
- Query
- 157.121.231.49
- IP range
- 157.121.0.0 - 157.121.255.255
- CIDR
- 157.121.0.0/16
- Network name
- USHEALTHCARE
- Organization
- U.S. Healthcare
- Country / region
- US
More to the name02
- Source
- whois.arin.net
The original response is preserved below for a closer look.
Under the surfaceRAW RESPONSE
# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # # # Query terms are ambiguous. The query is assumed to be: # "n 157.121.231.49" # # Use "?" to get help. # NetRange: 157.121.0.0 - 157.121.255.255 CIDR: 157.121.0.0/16 NetName: USHEALTHCARE NetHandle: NET-157-121-0-0-1 Parent: NET157 (NET-157-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: U.S. Healthcare (USHEAL) RegDate: 1991-12-19 Updated: 2021-12-14 Ref: https://rdap.arin.net/registry/ip/157.121.0.0 OrgName: U.S. Healthcare OrgId: USHEAL Address: 1000 Middle street City: Middletown StateProv: CT PostalCode: 06457 Country: US RegDate: 1991-12-19 Updated: 2011-09-24 Ref: https://rdap.arin.net/registry/entity/USHEAL OrgTechHandle: HOSTM190-ARIN OrgTechName: HostMaster OrgTechPhone: +1-860-636-9898 OrgTechEmail: hostmaster@aetna.com OrgTechRef: https://rdap.arin.net/registry/entity/HOSTM190-ARIN OrgAbuseHandle: HOSTM190-ARIN OrgAbuseName: HostMaster OrgAbusePhone: +1-860-636-9898 OrgAbuseEmail: hostmaster@aetna.com OrgAbuseRef: https://rdap.arin.net/registry/entity/HOSTM190-ARIN RTechHandle: HOSTM190-ARIN RTechName: HostMaster RTechPhone: +1-860-636-9898 RTechEmail: hostmaster@aetna.com RTechRef: https://rdap.arin.net/registry/entity/HOSTM190-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. #
Source: whois.arin.netWHOIS.TD / LOOKUP
01 / DOMAIN
The story behind a domain.
Registrars, lifecycles and nameservers.
02 / NETWORK
Put the network in perspective.
IPv4, IPv6 and autonomous systems.
03 / ONCHAIN
A new layer of identity.
Explore ENS, Realm and UD names.
Your recent explorations
Saved in this browser. Yours to clear at any time.
MADE TO BUILD WITHGood data.
Explore the API