166.203.112.0/20

AS20057 · AT&T Enterprises, LLC

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Summary

Country	United States
Domain	att.com
ASN	AS20057
Registry	ARIN
ID	AEL-360

WHOIS Details

NetHandle:      NET-166-183-0-0-1
OrgID:          AEL-360
Parent:         NET-166-0-0-0-0
NetName:        AEL-360
NetRange:       166.183.0.0 - 166.209.255.255
NetType:        allocation
RegDate:        2025-04-01
Updated:        2025-04-01
Source:         ARIN


OrgID:          AEL-360
OrgName:        AT&T Enterprises, LLC
CanAllocate:    
Street:         208 S. Akard St.
City:           Dallas
State/Prov:     TX
Country:        US
PostalCode:     75202
RegDate:        2024-11-22
Updated:        2025-10-29
OrgAdminHandle: ZS44-ARIN
OrgTechHandle:  ICC-ARIN
OrgTechHandle:  ZS44-ARIN
OrgAbuseHandle: ABUSE7-ARIN
OrgRoutingHandle:   ROUTI59-ARIN
Source:         ARIN


POCHandle:      ZS44-ARIN
IsRole:         Y
LastName:       IPAdmin-ATT Internet Services
FirstName:      
Street:         7277 164th Ave NE
Street:         Attn: IP Management
City:           Redmond
State/Prov:     WA
Country:        US
PostalCode:     98052
RegDate:        2000-05-17
Updated:        2025-08-18
OfficePhone:    +1-888-510-5545
Mailbox:        [email protected]
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ABUSE7-ARIN
IsRole:         Y
LastName:       abuse
FirstName:      
Street:         2701 W 15th ST
City:           Plano
State/Prov:     TX
Country:        US
PostalCode:     75075
RegDate:        2002-08-24
Updated:        2025-08-18
OfficePhone:    +1-919-319-8167
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ICC-ARIN
IsRole:         Y
LastName:       IP Team
FirstName:      
Street:         200 S. Laurel AVE
City:           MIDDLETOWN
State/Prov:     NJ
Country:        US
PostalCode:     07748
RegDate:        2002-09-24
Updated:        2025-08-18
OfficePhone:    +1-888-876-2382
Mailbox:        [email protected]
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 166.203.0.0/16

No nearby ranges found.

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
84.197.248.132	AS6848 Telenet BV	`8.95ms` from Amsterdam, NL
193.42.137.84	AS47583 Hostinger International Limited	`0.16ms` from Asheville, US
79.129.24.4	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`0.94ms` from Athens, GR
50.96.187.228	AS7029 Windstream Communications LLC	`5.81ms` from Atlanta, US
95.9.97.180	AS9121 Turk Telekomunikasyon Anonim Sirketi	`15.65ms` from Bursa, TR
173.20.161.52	AS30036 Mediacom Communications Corp	`10.46ms` from Chicago, US
97.185.63.116	AS6167 Verizon Business	`13.15ms` from Chicago, US
80.168.207.36	AS8426 ClaraNET LTD	`7.20ms` from Erith, GB
24.222.71.4	AS11260 EastLink	`8.69ms` from Halifax, CA
184.189.63.180	AS22773 Cox Communications Inc.	`5.71ms` from Kansas City, US
31.104.198.228	AS2856 British Telecommunications PLC	`5.99ms` from London, GB
31.172.251.212	AS34920 Simply Romford	`1.74ms` from London, GB
5.224.16.116	AS12430 VODAFONE ESPANA S.A.U.	`10.08ms` from Madrid, ES
162.209.95.20	AS19994 Rackspace Hosting	`1.31ms` from Chicago, US
146.148.107.100	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
37.49.47.68	AS3209 Vodafone GmbH	`7.78ms` from Frankfurt am Main, DE
84.188.130.164	AS3320 Deutsche Telekom AG	`4.09ms` from Frankfurt am Main, DE
93.130.154.164	AS6805 Telefonica Germany GmbH & Co.OHG	`3.19ms` from Frankfurt am Main, DE
47.197.2.100	AS5650 Frontier Communications of America, Inc.	`6.33ms` from Miami, US
218.65.185.68	AS4134 CHINANET-BACKBONE	`7.21ms` from Nanning, CN
97.100.143.196	AS33363 Charter Communications, Inc	`11.40ms` from Orlando, US
121.86.199.180	AS17511 OPTAGE Inc.	`2.58ms` from Osaka, JP
54.241.103.148	AS16509 Amazon.com, Inc.	`0.15ms` from San Jose, US
222.71.216.52	AS4812 China Telecom (Group)	`3.29ms` from Shanghai, CN
206.162.105.148	AS8047 GENERAL COMMUNICATION, INC.	`4.81ms` from Anchorage, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f3 -m14 166.203.120.55

traceroute to 166.203.120.55 (166.203.120.55): 14 hops max, 52 byte packets

3 [AS3356] 195.50.125.69 3.322 ms

4 [AS3356] 4.69.209.114 105.875 ms

5 *

6 [AS7018] 32.130.24.46 112.419 ms

7 *

8 *

9 *

10 *

11 [AS20057] 166.147.126.37 113.205 ms

12 *

13 *

14 *

Measurement taken from

IPinfo ProbeNet in Coventry, GB

On December 14th 2025

What are IP address ranges?

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