ARIN Whois/RDAP

"149.100.0.0"

Network: NET-149-100-0-0-1

Source Registry
ARIN
Net Range
149.100.0.0 - 149.100.255.255
CIDR
149.100.0.0/16
Name
COGENT-149-100-16
Handle
NET-149-100-0-0-1
Parent
NET-149-0-0-0-0
Net Type
DIRECT ALLOCATION
Registration
Tue, 28 Jan 1992 05:00:00 GMT (Tue Jan 28 1992 local time)
Last Changed
Mon, 10 Mar 2025 15:02:35 GMT (Mon Mar 10 2025 local time)
Comments
Geofeed https://geofeed.cogentco.com/geofeed.csv
Reassignment information can be found at rwhois.cogentco.com 4321
Self
https://rdap.arin.net/registry/ip/149.100.0.0
Alternate
https://whois.arin.net/rest/net/NET-149-100-0-0-1
Port 43 Whois
whois.arin.net

Related Entities

1 Entity
Source Registry
ARIN
Kind
Org
Full Name
PSINet, Inc.
Handle
PSI-1
Address
2450 N Street NW Washington DC 20037 United States
Roles
Registrant
Registration
Tue, 28 Jan 1992 05:00:00 GMT (Tue Jan 28 1992 local time)
Last Changed
Wed, 11 Oct 2023 16:11:42 GMT (Wed Oct 11 2023 local time)
Comments
Geofeed https://geofeed.cogentco.com/geofeed.csv
Self
https://rdap.arin.net/registry/entity/PSI-1
Alternate
https://whois.arin.net/rest/org/PSI-1
Port 43 Whois
whois.arin.net

Related Entities

3 Entities
Source Registry
ARIN
Kind
Group
Full Name
Cogent Abuse
Handle
COGEN-ARIN
Email
abuse@cogentco.com
Telephone
+1-877-875-4311
Organization
Cogent Abuse
Address
2450 N street, NW Washington DC 20037 United States
Roles
Abuse
Registration
Wed, 13 Nov 2002 22:21:33 GMT (Wed Nov 13 2002 local time)
Last Changed
Tue, 08 Jul 2025 15:30:01 GMT (Tue Jul 08 2025 local time)
Self
https://rdap.arin.net/registry/entity/COGEN-ARIN
Alternate
https://whois.arin.net/rest/poc/COGEN-ARIN
Port 43 Whois
whois.arin.net
Source Registry
ARIN
Kind
Group
Full Name
Cogent Communications
Handle
ZC108-ARIN
Email
noc@cogentco.com
Telephone
+1-877-875-4311
Organization
Cogent Communications
Address
2450 N Street NW Washington DC 20037 United States
Roles
Noc
Registration
Wed, 24 Jan 2001 18:40:39 GMT (Wed Jan 24 2001 local time)
Last Changed
Tue, 08 Jul 2025 15:30:20 GMT (Tue Jul 08 2025 local time)
Self
https://rdap.arin.net/registry/entity/ZC108-ARIN
Alternate
https://whois.arin.net/rest/poc/ZC108-ARIN
Port 43 Whois
whois.arin.net
Source Registry
ARIN
Kind
Group
Full Name
IP Allocation
Handle
IPALL-ARIN
Email
ipalloc@cogentco.com
Telephone
+1-877-875-4311
Organization
IP Allocation
Address
2450 N Street NW Washington DC 20037 United States
Roles
Administrative, Technical
Registration
Wed, 13 Nov 2002 22:21:33 GMT (Wed Nov 13 2002 local time)
Last Changed
Tue, 08 Jul 2025 15:30:14 GMT (Tue Jul 08 2025 local time)
Comments
THIS CONTACT DOES NOT RESPOND TO ABUSE OR OPERATIONAL ISSUES
For abuse issues contact abuse@cogentco.com
For operational issues contact noc@cogentco.com
Self
https://rdap.arin.net/registry/entity/IPALL-ARIN
Alternate
https://whois.arin.net/rest/poc/IPALL-ARIN
Port 43 Whois
whois.arin.net