WHOIS lookup

Look up a domain, an IPv4 or IPv6 address or an AS number (ASN). For a domain: who registered it, which registrar holds it, when it expires and what its status codes mean. For an address or ASN: which network it belongs to, who holds it and where to report abuse. Asked over RDAP and classic WHOIS, of the registry and then the registrar.

205.251.199.49

IP addressHeld by Amazon.com, Inc.3 requests in 0.8 s2026-11-09 05:34:52 UTCRegistered

DNS lookup Text JSON

Warning The RDAP server (rdap.arin.net) didn't answer: Recv failure: Connection reset by peer.

Network

Range	205.251.192.0 – 205.251.255.255
CIDR	205.251.192.0/18
Name	AMAZON-05
Held by	Amazon.com, Inc.
Country	US
Type	Direct Allocation
Handle	NET-205-251-192-0-1 · part of NET205 (NET-205-0-0-0-0)
Registered	27 Aug 2010 · 16 years, 2 months ago
Last changed	1 Jul 2021 · 5 years, 4 months ago
Report abuse	trustandsafety@support.aws.com · +1-206-555-0000
Registry	ARIN

Reverse DNS and more: DNS lookup for 205.251.199.49.

WHOIS

The raw replies over port 43, as the whois command shows them.

ARIN whois.arin.net

#
# 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:       205.251.192.0 - 205.251.255.255
CIDR:           205.251.192.0/18
NetName:        AMAZON-05
NetHandle:      NET-205-251-192-0-1
Parent:         NET205 (NET-205-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Amazon.com, Inc. (AMAZON-4)
RegDate:        2010-08-27
Updated:        2021-07-01
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Ref:            https://rdap.arin.net/registry/ip/205.251.192.0



OrgName:        Amazon.com, Inc.
OrgId:          AMAZON-4
Address:        1918 8th Ave
City:           SEATTLE
StateProv:      WA
PostalCode:     98101-1244
Country:        US
RegDate:        1995-01-23
Updated:        2026-09-24
Ref:            https://rdap.arin.net/registry/entity/AMAZON-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

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

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

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

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

RNOCHandle: ROLEA19-ARIN
RNOCName:   Role Account
RNOCPhone:  +1-206-266-4064 
RNOCEmail:  ipmanagement@amazon.com
RNOCRef:    https://rdap.arin.net/registry/entity/ROLEA19-ARIN

RAbuseHandle: ROLEA19-ARIN
RAbuseName:   Role Account
RAbusePhone:  +1-206-266-4064 
RAbuseEmail:  ipmanagement@amazon.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ROLEA19-ARIN

RTechHandle: ROLEA19-ARIN
RTechName:   Role Account
RTechPhone:  +1-206-266-4064 
RTechEmail:  ipmanagement@amazon.com
RTechRef:    https://rdap.arin.net/registry/entity/ROLEA19-ARIN

# end


# start

NetRange:       205.251.192.0 - 205.251.199.255
CIDR:           205.251.192.0/21
NetName:        AMAZON-BYOIP
NetHandle:      NET-205-251-192-0-2
Parent:         AMAZON-05 (NET-205-251-192-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   Amazon Data Services Northern Virginia (ADSN-1)
RegDate:        2022-01-11
Updated:        2022-01-11
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Ref:            https://rdap.arin.net/registry/ip/205.251.192.0



OrgName:        Amazon Data Services Northern Virginia
OrgId:          ADSN-1
Address:        13200 Woodland Park Road
City:           Herndon
StateProv:      VA
PostalCode:     20171
Country:        US
RegDate:        2018-04-25
Updated:        2025-08-14
Ref:            https://rdap.arin.net/registry/entity/ADSN-1


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

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

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

# 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.
#

Servers asked

Protocol

Server

Result

Time

RDAP

https://rdap.arin.net/registry/ip/205.251.199.49

Recv failure: Connection reset by peer

314 ms

WHOIS

whois.iana.org “205.251.199.49”

298 bytes

183 ms

WHOIS

whois.arin.net “n + 205.251.199.49”

6,923 bytes

313 ms