Whois Lookup

Query registration info, expiration date, registrar and more for domain, IP or ASN

Example： google.com · baidu.com · github.com · 8.8.8.8 · 211.234.110.0/24 · AS13335
Registration Info
72.51.8.0/22
IP Range
72.51.4.0 - 72.51.11.255
CIDR
72.51.8.0/22, 72.51.4.0/22
Network Name
PEER1-BLK-08
Organization
Aptum Technologies (PER1)
Country/Region
CA
Abuse Contact
[email protected]
Registration Date
2005-07-05
Update Date
2026-01-06
Registrant
Aptum Technologies (PER1)
Domain Status
Direct Allocation
Raw Whois Data
#
# 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.
#


NetRange:       72.51.4.0 - 72.51.11.255
CIDR:           72.51.8.0/22, 72.51.4.0/22
NetName:        PEER1-BLK-08
NetHandle:      NET-72-51-4-0-1
Parent:         NET72 (NET-72-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Aptum Technologies (PER1)
RegDate:        2005-07-05
Updated:        2026-01-06
Comment:        For abuse issues please e-mail [email protected]. All
Comment:        other inquiries can be directed to [email protected]. Our 24 x 7 NOC is
Comment:        available at 866-484-2588
Ref:            https://rdap.arin.net/registry/ip/72.51.4.0


OrgName:        Aptum Technologies
OrgId:          PER1
Address:        191 The West Mall
City:           Etobicoke
StateProv:      ON
PostalCode:     M9C 5L6
Country:        CA
RegDate:        
Updated:        2023-08-09
Ref:            https://rdap.arin.net/registry/entity/PER1


OrgTechHandle: APTUM-ARIN
OrgTechName:   Aptum Technologies
OrgTechPhone:  +1-866-484-2588 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/APTUM-ARIN

OrgAbuseHandle: ATAE-ARIN
OrgAbuseName:   Aptum Technologies AUP Enforcement
OrgAbusePhone:  +1-678-365-2835 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ATAE-ARIN

RNOCHandle: ZP55-ARIN
RNOCName:   PEER 1 Network Inc
RNOCPhone:  +1-866-484-2588 
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/ZP55-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.
#