ARIN Whois/RDAP

"198.252.137.0"

Network: NET-198-252-137-0-1

Source Registry
ARIN
Net Range
198.252.137.0 - 198.252.137.255
CIDR
198.252.137.0/24
Name
JCK-NET
Handle
NET-198-252-137-0-1
Parent
NET-198-0-0-0-0
Net Type
DIRECT ALLOCATION
Registration
Mon, 22 Nov 1993 05:00:00 GMT (Mon Nov 22 1993 local time)
Last Changed
Wed, 15 Dec 2021 01:28:27 GMT (Wed Dec 15 2021 local time)
Self
https://rdap.arin.net/registry/ip/198.252.137.0
Alternate
https://whois.arin.net/rest/net/NET-198-252-137-0-1
Port 43 Whois
whois.arin.net

Related Entities

2 Entities
Source Registry
ARIN
Kind
Org
Full Name
John C. Klensin and Associates
Handle
JCKA-1
Address
PO Box 400197 Cambridge MA 02140 United States
Roles
Registrant
Registration
Mon, 22 Nov 1993 05:00:00 GMT (Mon Nov 22 1993 local time)
Last Changed
Mon, 08 Sep 2008 18:36:22 GMT (Mon Sep 08 2008 local time)
Self
https://rdap.arin.net/registry/entity/JCKA-1
Alternate
https://whois.arin.net/rest/org/JCKA-1
Port 43 Whois
whois.arin.net

Related Entities

1 Entity
Source Registry
ARIN
Kind
Individual
Full Name
John C Klensin
Handle
JCK-ARIN
Email
klensin@jck.com
Telephone
+1-617-245-1457
Telephone
+1-617-588-0613
Address
PO Box 400197 Cambridge MA 02140 United States
Roles
Abuse, Administrative, Technical
Registration
Tue, 24 Jan 1984 01:40:00 GMT (Tue Jan 24 1984 local time)
Last Changed
Mon, 25 Dec 2023 14:07:33 GMT (Mon Dec 25 2023 local time)
Unvalidated POC
ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2024-12-24
Self
https://rdap.arin.net/registry/entity/JCK-ARIN
Alternate
https://whois.arin.net/rest/poc/JCK-ARIN
Port 43 Whois
whois.arin.net
Source Registry
ARIN
Kind
Individual
Full Name
John C Klensin
Handle
JCK-ARIN
Email
klensin@jck.com
Telephone
+1-617-245-1457
Telephone
+1-617-588-0613
Address
PO Box 400197 Cambridge MA 02140 United States
Roles
Technical, Noc, Abuse
Registration
Tue, 24 Jan 1984 01:40:00 GMT (Tue Jan 24 1984 local time)
Last Changed
Mon, 25 Dec 2023 14:07:33 GMT (Mon Dec 25 2023 local time)
Unvalidated POC
ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2024-12-24
Self
https://rdap.arin.net/registry/entity/JCK-ARIN
Alternate
https://whois.arin.net/rest/poc/JCK-ARIN
Port 43 Whois
whois.arin.net