RDAP / Whois lookup

Look up authoritative registration records for a domain, IP, network prefix or ASN. Subdomains are resolved to their registrable domain automatically.

NET-12-12-96-0-1

Record foundARIN

NET3-INC456-96ASSIGNMENT

RDAP is structured authoritative registration data. Registration records and contacts do not establish current routing, device location or network safety.

Queried at10/15/2026, 20:22:43Local authoritative snapshot

BGP routes RPKI check

Resource type: IP address
Registry: ARIN
Registration country / region: Not provided by registry
Registration status: Active
Registered at: 8/28/2025, 08:27:47
Last changed: 8/28/2025, 08:27:47

Resource range12.12.96.0 – 12.12.111.255IP address

Resource records1CIDR count

Public contacts6Published by the registry

Registry events2Authoritative change record

Authoritative registration details

Registry handle: NET-12-12-96-0-1
Name: NET3-INC456-96
Allocation type: ASSIGNMENT
Parent handle: NET-12-0-0-0-1
Whois server: whois.arin.net
Authoritative RDAP host: rdap.arin.net

Address and number range

Resource range: 12.12.96.0 – 12.12.111.255
Address family: IPv4
Resource records: 1
CIDR inventory: 12.12.96.0/20

Registration entities and contacts

Only public fields from the authoritative RDAP response are shown. Roles are assigned by the registry.

6 entities

Registrant

NET3 INCC11333820

Not provided by registry

1 SUMMER ST · BOSTON · MA · 02110 · United States

Registrant

AT&T Enterprises, LLCAEL-360

Not provided by registry

208 S. Akard St. · Dallas · TX · 75202 · United States

AdministrativeTechnical

AT&T Enterprises, LLCZS44-ARIN

ipadmin@semail.att.com ipadmin@att.com+1-888-510-5545

208 S. Akard St. · Dallas · TX · 75202 · United States

routing

AT&TROUTI59-ARIN

routing_poc@att.com+1-999-999-9999

200 S Laurel Ave · Middletown · NJ · 07748 · United States

Technical

AT&T WorldNet ServicesICC-ARIN

rm-ipspecialist@att.com+1-888-876-2382

200 S. Laurel AVE · MIDDLETOWN · NJ · 07748 · United States

Abuse

AmeritechABUSE7-ARIN

abuse@att.net+1-919-319-8167

2701 W 15th ST · Plano · TX · 75075 · United States

Registration and change events

2 events

Event	Time (UTC)	Actor
Last changed	8/28/2025, 08:27:47	Not provided by registry
Registration	8/28/2025, 08:27:47	Not provided by registry

Terms and remarks

Registry notices are shown verbatim so their authoritative meaning is not altered.

3 notices

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Whois Inaccuracy ReportingIf you see inaccuracies in the results, please visit:

CHA.LA authoritative RDAP snapshotIANA Bootstrap only locates the responsible registration service. Data comes from the corresponding RIR or domain registry and is cached locally by query target.Authoritative source: ARIN · rdap.arin.net