Data as of Nov 9, 2026

12.31.137.0/24

No anonymizer space · no proxy exits in 30 days

OLD Republic National Title Insurance Co. · space held by AT&T Enterprises, LLC

Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
12.0.0.0/9AS7018Residential8,073
434 always on
AT&T Enterprises, LLC
12.0.0.0/8AS7018Residential13,384
731 always on
AT&T Enterprises, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
12.0.0.0/816,777,216ATTAT&T Enterprises, LLC (AEL-360) · USDirect AllocationAug 23, 1983abuse@att.net
└ 12.31.137.0/24256RAMQUEST436-137Ramquest Softwareaccounts PAY (C09450239) · USReassignedMay 3, 2023abuse@att.net
via ATT

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

IPv4 market

Holder

Organization
AT&T Enterprises, LLC
Handle
AEL-360
Range
12.0.0.0/8
Registration type
Direct Allocation
Record created
Aug 23, 1983
Legacy
yes
Origin network

AS394878

US
Name
OLD Republic National Title Insurance Co.
Type
Business
Registered
Feb 2, 2016
Domain
oldrepublictitle.com
Industry
Real Estate (Residential and/or Commercial)
Spamhaus ASN-DROP
not listed