1. All IP Ranges
  2. 166.0.0.0/8
  3. AS20057  | 166.200.0.0/14

166.200.0.0/14

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:      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:        rm-ipspecialist@att.com
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:        ipadmin@att.com
Mailbox:        ipadmin@semail.att.com
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:        abuse@att.net
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 166.0.0.0/8

Range ASN Company Num of IPs
166.80.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.87.0.0/16 AS5080 Saudi Arabian Oil Company 65,536
166.211.0.0/16 AS6167 Verizon Business 65,536
166.56.0.0/16 AS3371 Verizon Business 65,536
166.91.0.0/16 AS14072 District of Columbia Public Schools 65,536
166.69.0.0/16 AS19773 Motorola MNIC 65,536
166.93.0.0/16 AS26914 Synoptek, LLC 65,536
166.20.0.0/16 AS243 L3Harris Technologies, Inc. 65,536
166.58.0.0/16 AS3377 Verizon Business 65,536
166.58.0.0/16 AS3372 Verizon Business 65,536
166.74.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.117.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.84.0.0/16 AS2033 Panix 65,536
166.19.0.0/16 AS33425 CoreWeave, Inc 65,536
166.92.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.104.0.0/16 AS9321 Hanyang University 65,536
166.100.0.0/16 AS2687 AT&T Japan K.K. 65,536
166.211.0.0/16 AS22394 Verizon Business 65,536
166.238.0.0/16 AS26611 COMUNICACIÓN CELULAR S.A. COMCEL S.A. 65,536
166.90.0.0/16 AS3257 Level 3 Parent, LLC 65,536
166.90.0.0/16 AS3356 Level 3 Parent, LLC 65,536
166.56.0.0/16 AS3372 Verizon Business 65,536
166.58.0.0/16 AS3371 Verizon Business 65,536
166.91.0.0/16 AS33084 District of Columbia Public Schools 65,536
166.99.0.0/16 AS11719 Eaton Corporation 65,536
166.94.0.0/16 AS3926 Fairfax County Government 65,536
166.89.0.0/16 AS13918 City of Tucson 65,536
166.123.0.0/16 AS13506 United States Department of the Treasury 65,536
166.111.0.0/16 AS4538 Tsinghua University 65,536
166.82.0.0/16 AS7029 Windstream Communications LLC 65,536
166.72.0.0/16 AS7018 AT&T Enterprises, LLC 65,536
166.102.0.0/16 AS7029 Windstream Communications LLC 65,536
166.122.0.0/16 AS6360 University of Hawaii 65,536
166.70.0.0/16 AS6315 XMission, L.C. 65,536
166.114.128.0/17 AS6568 EMPRESA NACIONAL DE TELECOMUNICACIONES SOCIEDAD ANONIMA 32,768
166.49.128.0/17 AS5400 communications networking services Private Unlimited Company 32,768
166.48.0.0/17 AS396338 Altima Telecom 32,768
166.49.0.0/17 AS3561 CenturyLink Communications, LLC 32,768
166.62.128.0/17 AS5769 Videotron Ltee 32,768
166.113.64.0/18 AS53449 OEC Fiber 16,384
166.108.128.0/18 AS35077 Netwo SAS 16,384
166.114.64.0/18 AS6568 EMPRESA NACIONAL DE TELECOMUNICACIONES SOCIEDAD ANONIMA 16,384
166.114.32.0/19 AS6568 EMPRESA NACIONAL DE TELECOMUNICACIONES SOCIEDAD ANONIMA 8,192
166.63.160.0/19 AS1273 Vodafone Americas 8,192
166.63.128.0/19 AS3561 CenturyLink Communications, LLC 8,192
166.113.32.0/19 AS13370 Ziply Fiber 8,192
166.113.0.0/19 AS19870 Cherry Creek School District #5 8,192
166.63.192.0/19 AS1273 Vodafone Americas 8,192
166.108.0.0/19 AS16509 Amazon.com, Inc. 8,192
166.93.0.0/20 AS26914 Synoptek Pittsford DC 4,096

Hosted domains

There are 24 domain names hosted across 6 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP

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.
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Read more

Pingable IPs

4,508 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
166.200.117.2 AS20057 AT&T Enterprises, LLC 34.17ms from Dallas, US
166.201.231.22 AS20057 AT&T Enterprises, LLC 25.91ms from Houston, US
166.201.205.238 AS20057 AT&T Enterprises, LLC 37.01ms from San Jose, US
166.200.161.202 AS20057 AT&T Enterprises, LLC 63.00ms from San Jose, US
166.201.64.169 AS20057 AT&T Enterprises, LLC 26.16ms from Redding, US
166.201.201.5 AS20057 AT&T Enterprises, LLC 29.17ms from Atlanta, US
166.200.36.206 AS20057 AT&T Enterprises, LLC 21.99ms from Houston, US
166.201.22.239 AS20057 AT&T Enterprises, LLC 35.41ms from Houston, US
166.201.188.15 AS20057 AT&T Enterprises, LLC 32.52ms from Fremont, US
166.201.193.28 AS20057 AT&T Enterprises, LLC 38.55ms from Fremont, US
166.200.116.137 AS20057 AT&T Enterprises, LLC 2.49ms from Ashburn, US
166.200.160.143 AS20057 AT&T Enterprises, LLC 3.15ms from Santa Clara, US
166.201.227.8 AS20057 AT&T Enterprises, LLC 37.12ms from New York City, US
166.200.0.214 AS20057 AT&T Enterprises, LLC 47.30ms from Houston, US
166.201.190.113 AS20057 AT&T Enterprises, LLC 28.14ms from San Jose, US
166.201.189.194 AS20057 AT&T Enterprises, LLC 30.31ms from San Jose, US
166.200.4.15 AS20057 AT&T Enterprises, LLC 35.38ms from Dallas, US
166.201.211.180 AS20057 AT&T Enterprises, LLC 29.65ms from Santa Clara, US
166.201.164.4 AS20057 AT&T Enterprises, LLC 57.57ms from Houston, US
166.200.186.27 AS20057 AT&T Enterprises, LLC 21.12ms from Houston, US
166.201.192.187 AS20057 AT&T Enterprises, LLC 31.86ms from Los Angeles, US
166.201.228.1 AS20057 AT&T Enterprises, LLC 78.68ms from Dallas, US
166.201.208.246 AS20057 AT&T Enterprises, LLC 32.55ms from San Jose, US
166.200.113.63 AS20057 AT&T Enterprises, LLC 36.52ms from Dallas, US
166.201.191.109 AS20057 AT&T Enterprises, LLC 33.21ms from San Jose, US

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
175.34.54.222 AS4804 Microplex PTY LTD 1.87ms from Brisbane, AU
178.48.58.46 AS21334 One Hungary Ltd. 7.00ms from Budapest, HU
67.6.188.254 AS19901 Brightspeed 11.58ms from Chicago, US
107.141.165.142 AS7018 AT&T Enterprises, LLC 6.79ms from Columbus, US
63.143.34.110 AS46475 Limestone Networks, Inc. 0.25ms from Dallas, US
171.225.255.254 AS7552 Viettel Group 0.43ms from Ho Chi Minh City, VN
117.68.56.14 AS134425 China Telecom 6.56ms from Huai'an, CN
82.69.239.190 AS13037 Zen Internet Ltd 7.91ms from London, GB
206.14.121.94 AS2914 NTT America, Inc. 0.20ms from Los Angeles, US
73.62.176.14 AS7922 Comcast Cable Communications, LLC 2.94ms from Minneapolis, US
176.210.205.14 AS12389 PJSC Rostelecom 8.96ms from Novosibirsk, RU
191.241.10.78 AS263663 NOBREAK NET LTDA - M.E. 2.10ms from Sao Paulo, BR
128.189.19.254 AS393249 University of British Columbia 5.49ms from Seattle, US
211.170.83.126 AS3786 LG DACOM Corporation 1.81ms from Seoul, KR
211.152.43.14 AS4811 China Telecom (Group) 3.15ms from Shanghai, CN
85.209.18.78 AS212416 Proximity EOOD 0.44ms from Sofia, BG
134.148.112.126 AS7575 Australian Academic and Research Network (AARNet) 4.71ms from Sydney, AU
58.115.233.254 AS9416 Hoshin Multimedia Center Inc. 1.49ms from Taipei, TW
132.164.18.46 AS8075 Microsoft Corporation 0.27ms from Amsterdam, NL
46.240.134.190 AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o. 0.48ms from Belgrade, RS
197.52.139.62 AS8452 TE-AS 3.85ms from Cairo, EG
70.92.80.158 AS10796 Charter Communications Inc 11.08ms from Chicago, US
192.66.172.190 AS44398 Itm8 A/S 1.92ms from Copenhagen, DK
84.132.31.238 AS3320 Deutsche Telekom AG 2.17ms from Duesseldorf, DE
176.170.171.158 AS5410 Bouygues Telecom SA 11.80ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -f5 -m17 166.200.245.29
traceroute to 166.200.245.29 (166.200.245.29): 17 hops max, 52 byte packets
5 [AS30475] 68.71.128.70 4.305 ms
6 *
7 *
8 *
9 [AS7018] 32.130.24.46 18.202 ms
10 *
11 *
12 *
13 *
15 *
16 *
17 *
Measurement taken from IPinfo ProbeNet in Greenwood Village, US
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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