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  5. 216.73.216.242
Professional IP Registry Lookup

IP WHOIS Details

Query regional network registries recursively to isolate network ranges, ISP owners, allocations, regional servers, and administrative abuse contacts.

Network Footprint

IP Address 216.73.216.242
Reverse DNS (PTR) PTR Record Not Found
BGP Autonomous System (ASN) AS16509 (AMAZON-02 - Amazon.com, Inc., US) [US]
Network Diagnostics
Ping Host Traceroute

IP Registry Allocation

IP Block / Range 216.73.216.0/22, 216.73.208.0/21
Network Identifier AMAZO-4
Assigned Organization Amazon.com, Inc.
Registry Region (Country)
US
Allocated Date 26.03.2024 00:00:00
Last Modified 26.03.2024 00:00:00
Abuse / Security Contact
amzn-noc-contact@amazon.com
IP Whois Query Output 
#
# 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.
#



# start

NetRange:       216.73.208.0 - 216.73.219.255
CIDR:           216.73.216.0/22, 216.73.208.0/21
NetName:        AMAZO-4
NetHandle:      NET-216-73-208-0-1
Parent:         NET216 (NET-216-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Amazon.com, Inc. (AMAZO-4)
RegDate:        2024-03-26
Updated:        2024-03-26
Ref:            https://rdap.arin.net/registry/ip/216.73.208.0



OrgName:        Amazon.com, Inc.
OrgId:          AMAZO-4
Address:        Amazon Web Services, Inc.
Address:        P.O. Box 81226
City:           Seattle
StateProv:      WA
PostalCode:     98108-1226
Country:        US
RegDate:        2005-09-29
Updated:        2026-04-17
Comment:        For details of this service please see
Comment:        http://ec2.amazonaws.com
Ref:            https://rdap.arin.net/registry/entity/AMAZO-4


OrgDNSHandle: DNS1131-ARIN
OrgDNSName:   DNS
OrgDNSPhone:  +1-202-555-0000 
OrgDNSEmail:  ipmanagement+dns@amazon.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/DNS1131-ARIN

OrgNOCHandle: AANO1-ARIN
OrgNOCName:   Amazon AWS Network Operations
OrgNOCPhone:  +1-206-555-0000 
OrgNOCEmail:  amzn-noc-contact@amazon.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/AANO1-ARIN

OrgRoutingHandle: IPROU3-ARIN
OrgRoutingName:   IP Routing
OrgRoutingPhone:  +1-206-555-0000 
OrgRoutingEmail:  aws-routing-poc@amazon.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/IPROU3-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName:   Amazon EC2 Network Operations
OrgTechPhone:  +1-206-555-0000 
OrgTechEmail:  amzn-noc-contact@amazon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ANO24-ARIN

OrgRoutingHandle: ARMP-ARIN
OrgRoutingName:   AWS RPKI Management POC
OrgRoutingPhone:  +1-206-555-0000 
OrgRoutingEmail:  aws-rpki-routing-poc@amazon.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ARMP-ARIN

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName:   Amazon EC2 Abuse
OrgAbusePhone:  +1-206-555-0000 
OrgAbuseEmail:  trustandsafety@support.aws.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AEA8-ARIN

# end


# start

NetRange:       216.73.216.0 - 216.73.219.255
CIDR:           216.73.216.0/22
NetName:        AWS-ANTHROPIC
NetHandle:      NET-216-73-216-0-1
Parent:         AMAZO-4 (NET-216-73-208-0-1)
NetType:        Reassigned
OriginAS:       
Organization:   Anthropic, PBC (AP-2440)
RegDate:        2024-06-05
Updated:        2024-06-05
Ref:            https://rdap.arin.net/registry/ip/216.73.216.0


OrgName:        Anthropic, PBC
OrgId:          AP-2440
Address:        548 Market St.
Address:        PMB 90375
City:           San Francisco
StateProv:      CA
PostalCode:     94104-5401
Country:        US
RegDate:        2023-07-31
Updated:        2023-08-22
Ref:            https://rdap.arin.net/registry/entity/AP-2440


OrgRoutingHandle: ANTHR5-ARIN
OrgRoutingName:   Anthropic
OrgRoutingPhone:  +1-415-236-0599 
OrgRoutingEmail:  arin@anthropic.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ANTHR5-ARIN

OrgAbuseHandle: ANTHR5-ARIN
OrgAbuseName:   Anthropic
OrgAbusePhone:  +1-415-236-0599 
OrgAbuseEmail:  arin@anthropic.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ANTHR5-ARIN

OrgTechHandle: ANTHR5-ARIN
OrgTechName:   Anthropic
OrgTechPhone:  +1-415-236-0599 
OrgTechEmail:  arin@anthropic.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ANTHR5-ARIN

OrgNOCHandle: ANTHR5-ARIN
OrgNOCName:   Anthropic
OrgNOCPhone:  +1-415-236-0599 
OrgNOCEmail:  arin@anthropic.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ANTHR5-ARIN

OrgDNSHandle: ANTHR5-ARIN
OrgDNSName:   Anthropic
OrgDNSPhone:  +1-415-236-0599 
OrgDNSEmail:  arin@anthropic.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ANTHR5-ARIN

# end



#
# 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.
#