Data as of Nov 12, 2026

63.199.64.0/20

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

Announcement
No RPKI
Announced by
Type
Residential
81% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
63.199.68.0/23
since Sep 2005
AS22352UnknownAT&T Enterprises, LLC
63.199.71.0/24
since Sep 2005
AS22352UnknownAT&T Enterprises, LLC

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Residential3,32881%3
Unknown76819%2

Network & registry

Routing timeline

Who has announced 63.192.0.0/12

63.192.0.0/12

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Oct 2013 · 13 yr
Origin networks
2
Last change of origin
Oct 2013
Recorded history

History

Handoffs
1