12.72.128.0/17

Residential-proxy exits

Proxy exits

8

0.02% of its addresses · 30 days

Always-on exits

1

13% of its exits

Spread

7 of 128

/24s with at least one exit

Providers

28

selling exits here

Oct 7, 2026 – Nov 5, 2026

Exits seen per day

3.8K observations

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
12.72.140.0/24	1	2
12.72.129.0/24	0	1
12.72.133.0/24	0	1
12.72.137.0/24	0	1
12.72.141.0/24	0	1
12.72.166.0/24	0	1
12.72.216.0/24	0	1

Proxy providers listing exits

Ake.net
BirdProxies
ByteProxies
Byteful
CatProxies
CliProxy
ColaProxy
EnigmaProxy
FlashProxy
GonzoProxy
Infatica
LemonBright
MangoProxy
NextProxy
NodeMaven
NovaProxy
ProxiesVision
Proxiware
Proxy-Seller
ProxyEmpire
ProxyGeo
ProxyRack
Proxying
Proxyma
RainProxy
Shifter
Thordata
VitalExclusive

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
12.0.0.0/9	AS7018	Residential	8,020 433 always on	AT&T Enterprises, LLC
12.0.0.0/8	AS7018	Residential	13,222 713 always on	AT&T Enterprises, LLC

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.

More specific

Announcements inside

Prefix	Origin	Type	Proxy exits	Holder
12.72.128.0/24 since Jan 2026	AS20057	Mobile		AT&T Enterprises, LLC
12.72.129.0/24 since Jan 2026	AS20057	Mobile	1	AT&T Enterprises, LLC
12.72.130.0/24 since Feb 2026	AS20057	Mobile		AT&T Enterprises, LLC
12.72.132.0/24 since Feb 2026	AS20057	Mobile		AT&T Enterprises, LLC
12.72.134.0/23 since Feb 2026	AS20057	Mobile		AT&T Enterprises, LLC
12.72.136.0/21 since Jan 2026	AS20057	Mobile	4 1 always on	AT&T Enterprises, LLC
12.72.144.0/21 since Apr 2026	AS20057	Mobile		AT&T Enterprises, LLC
12.72.160.0/20 since Jun 2026	AS20057	Mobile	1	AT&T Enterprises, LLC
12.72.192.0/19 since Feb 2026	AS20057	Mobile	1	AT&T Enterprises, LLC
12.72.224.0/20 since Feb 2026	AS20057	Mobile		AT&T Enterprises, LLC
12.72.240.0/21 since Feb 2026	AS20057	Mobile		AT&T Enterprises, LLC
12.72.248.0/24 since Jul 2026	AS20057	Mobile		AT&T Enterprises, LLC
12.72.251.0/24 since May 2026	AS20057	Mobile		AT&T Enterprises, LLC
12.72.252.0/24 since Apr 2026	AS20057	Mobile		AT&T Enterprises, LLC
12.72.253.0/24 since Apr 2026	AS20057	Mobile		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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
12.0.0.0/8	16,777,216	ATT	AT&T Enterprises, LLC (AEL-360) · US	Direct Allocation	Aug 23, 1983	abuse@att.net
└ 12.72.0.0/15	131,072	ATTSVC-12-72-0-0	AT&T Worldnet Services (C00686968) · US	Reassigned	Oct 15, 2003	abuse@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

Announcement Routing history RPKI & IRR Whois & abuse

IPv4 market

Holder

Holder in the market →

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

AS20057

US

Name: AT&T Enterprises, LLC
Type: Internet provider
Registered: Mar 20, 2001
Domain: att.com
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed