Data as of Nov 14, 2026

216.103.147.0/24

No anonymizer space · no proxy exits in 30 days

Torrance Memorial Medical Center · space held by AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
216.100.0.0/14
since Nov 2021
AS7018Residential881
1 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
216.100.0.0/14262,144SBCIS-SIS80AT&T Enterprises, LLC (AEL-360) · USDirect AllocationOct 2, 1998abuse@att.net
└ 216.103.147.0/24256SBC216103147000030213Torrance Memorial Medical Center (C00471431) · USReassignedFeb 13, 2003abuse@att.net
via SBCIS-SIS80

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

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Nov 2005
Current origin since
Nov 2005 · 21 yr
Origin networks
1