12.0.0.0/9

American Registry for Internet Numbers

Announcing ASNs: 1

Parent Prefix:

Abuse: Unknown

RIR: IANA

Prefix
Routing
Raw Whois

Announcing ASNs

Country	ASN	Name	Description
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC

12.0.0.0/9 Summary

Prefix:

12.0.0.0/9

Name:

NET12

Description:

American Registry for Internet Numbers

Country:

IP Addresses:

8,388,608

Regional Registry:

IANA

Allocation Status:

Parent Prefix:

Contacts

Email Contacts:

None

Abuse Contacts:

None

Address:

PO Box 232290,

Centreville,

VA,

20120,

Summary

Country	Prefix	Name	Description	ASN
	12.0.0.0/8	NET12	American Registry for Internet Numbers	AS7018

AS7018 AT&T Enterprises, LLC - Prefix Upstreams

ASN	Name	Description
AS6939	HURRICANE	Hurricane Electric LLC
AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
AS2497	IIJ	Internet Initiative Japan Inc.
AS3257	GTT-BACKBONE	GTT
AS3356	LEVEL3	Level 3 Parent, LLC
AS174	COGENT-174	Cogent Communications
AS5511	Opentransit	Orange S.A.
AS2914	NTT-DATA-2914	NTT America, Inc.

#
# 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/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


#
# Query terms are ambiguous.  The query is assumed to be:
#     "r + < 12.0.0.0/9"
#
# Use "?" to get help.
#


# start

NetRange:       12.0.0.0 - 12.255.255.255
CIDR:           12.0.0.0/8
NetName:        NET12
NetHandle:      NET-12-0-0-0-0
Parent:          ()
NetType:        Early Registrations, Maintained by ARIN
OriginAS:       
Organization:   American Registry for Internet Numbers (ARIN)
RegDate:        1983-08-23
Updated:        2013-12-19
Ref:            https://rdap.arin.net/registry/ip/12.0.0.0



OrgName:        American Registry for Internet Numbers
OrgId:          ARIN
Address:        PO Box 232290
City:           Centreville
StateProv:      VA
PostalCode:     20120
Country:        US
RegDate:        1997-12-22
Updated:        2019-03-02
Comment:        For abuse issues please see URL:
Comment:        https://www.arin.net/reference/materials/abuse/ 
Comment:        The Registration Services Help Desk is open 
Comment:        from 7 a.m. to 7 p.m., U.S. Eastern time to assist you.
Comment:        Phone Number: (703) 227-0660; Fax Number: (703) 997-8844.
Ref:            https://rdap.arin.net/registry/entity/ARIN


OrgTechHandle: ARIN-HOSTMASTER
OrgTechName:   Registration Services Department
OrgTechPhone:  +1-703-227-0660 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ARIN-HOSTMASTER

OrgAbuseHandle: ARIN-HOSTMASTER
OrgAbuseName:   Registration Services Department
OrgAbusePhone:  +1-703-227-0660 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ARIN-HOSTMASTER

OrgNOCHandle: ARINN-ARIN
OrgNOCName:   ARIN NOC
OrgNOCPhone:  +1-703-227-9840 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ARINN-ARIN