AS2386 AT&T Enterprises, LLC

INS-AS - AT&T Enterprises, LLC · registered in the United States

IPv4 addresses272,128291 prefixes · 0.009% of announced IPv4

Rank in United States#253largest network in US by IPv4 space, of 18,338 · 0.02% of US

Rank worldwide#878of 79,396 networks with IPv4

IPv64,096 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS2386 in ASN lookup Look up an IP in this network (12.0.224.1) All networks in United States

IPv4 prefixes

All 291 prefixes, in address order.

12.0.224.0/21
12.3.167.0/24
12.4.26.0/23
12.6.136.0/24
12.8.110.0/24
12.13.10.0/24
12.13.233.0/24
12.14.147.0/24
12.17.245.0/24
12.18.20.0/24
12.20.178.0/24
12.22.96.0/22
12.27.251.0/24
12.28.131.0/24
12.29.167.0/24
12.29.196.0/23
12.30.10.0/23
12.30.249.0/24
12.31.223.0/24
12.32.224.0/22
12.35.54.0/24
12.37.13.0/24
12.37.100.0/23
12.37.132.0/24
12.37.152.0/24
12.39.169.0/24
12.40.117.0/24
12.42.184.0/24
12.43.10.0/23
12.43.88.0/22
12.44.118.0/24
12.47.66.0/24
12.47.84.0/24
12.48.163.0/24
12.48.206.0/24
12.53.15.0/24
12.54.143.0/24
12.71.82.0/24
12.96.136.0/24
12.104.218.0/24
12.104.223.0/24
12.105.142.0/24
12.106.188.0/24
12.106.240.0/24
12.108.48.0/24
12.108.69.0/24
12.108.158.0/23
12.108.255.0/24
12.129.26.0/24
12.129.89.0/24
12.129.227.0/24
12.131.121.0/24
12.131.215.0/24
12.133.88.0/24
12.138.71.0/24
12.138.110.0/24
12.138.193.0/24
12.139.114.0/23
12.139.118.0/24
12.139.123.0/24
12.139.164.0/24
12.144.222.0/24
12.147.178.0/24
12.148.63.0/24
12.148.112.0/24
12.148.167.0/24
12.148.190.0/24
12.150.102.0/23
12.150.107.0/24
12.151.240.0/24
12.152.24.0/23
12.166.243.0/24
12.167.90.0/23
12.168.16.0/23
12.169.17.0/24
12.171.92.0/23
12.171.108.0/24
12.171.214.0/24
12.173.41.0/24
12.177.2.0/23
12.177.52.0/24
12.178.29.0/24
12.179.218.0/23
12.180.166.0/24
12.181.28.0/23
12.182.255.0/24
12.183.16.0/23
12.183.226.0/24
12.185.90.0/24
12.187.176.0/23
12.187.180.0/23
12.187.182.0/24
12.188.60.0/23
12.188.164.0/22
12.193.244.0/22
12.195.136.0/23
12.195.141.0/24
12.196.118.0/24
12.200.145.0/24
12.200.236.0/24
12.202.35.0/24
12.202.62.0/24
12.202.139.0/24
12.202.237.0/24
12.206.227.0/24
12.216.8.0/21
12.216.153.0/24
12.217.222.0/23
12.219.176.0/24
12.221.17.0/24
12.221.116.0/22
12.221.212.0/22
12.227.201.0/24
12.229.22.0/24
12.231.9.0/24
12.231.10.0/23
12.232.9.0/24
12.233.97.0/24
12.233.213.0/24
12.234.165.0/24
12.236.84.0/22
12.236.248.0/23
12.237.206.0/23
12.237.222.0/24
12.237.236.0/24
12.237.254.0/24
12.239.118.0/23
12.239.136.0/24
23.178.144.0/24
24.245.240.0/20
32.59.62.0/23
62.200.204.0/23
63.195.204.0/23
63.195.224.0/24
63.197.119.0/24
63.200.48.0/23
63.200.214.0/24
63.201.34.0/24
63.207.230.0/24
63.240.152.0/24
63.241.44.0/24
63.241.223.0/24
64.64.32.0/19
64.123.246.0/24
64.148.85.0/24
64.166.144.0/21
64.190.137.0/24
64.250.160.0/20
64.251.211.0/24
65.68.53.0/24
65.69.172.0/23
65.82.136.0/24
66.20.244.0/24
66.126.137.0/24
66.161.72.0/24
68.16.81.0/24
68.21.221.0/24
69.51.32.0/22
69.153.172.0/24
70.140.193.0/24
70.158.96.0/21
70.159.4.0/24
70.159.9.0/24
70.234.0.0/22
74.174.40.0/21
74.174.48.0/23
74.174.50.0/24
74.254.153.0/24
74.254.156.0/22
76.194.190.0/23
108.160.32.0/20
129.37.0.0/24
129.37.2.0/24
129.37.6.0/24
129.37.11.0/24
129.41.216.0/24
143.61.147.0/24
146.91.48.0/21
155.2.20.0/22
156.78.0.0/24
156.89.0.0/22
156.134.104.0/24
162.221.98.0/24
167.9.5.0/24
167.9.6.0/24
168.184.0.0/18
168.184.64.0/20
168.184.80.0/22
168.184.84.0/24
168.184.85.0/24
168.184.86.0/24
168.184.87.0/24
168.184.88.0/24
168.184.89.0/24
168.184.90.0/23
168.184.92.0/22
168.184.96.0/21
168.184.104.0/22
168.184.108.0/23
168.184.110.0/23
168.184.112.0/20
168.184.128.0/17
169.151.0.0/16
170.2.126.0/24
170.190.40.0/22
170.225.222.0/24
185.76.181.0/24
185.82.162.0/24
192.86.32.0/23
192.86.56.0/24
192.94.47.0/24
192.156.133.0/24
192.158.33.0/24
192.203.134.0/24
192.206.175.0/24
192.215.60.0/24
192.215.202.0/24
192.231.8.0/24
192.231.10.0/24
193.38.171.0/24
194.69.156.0/24
194.105.116.0/22
195.75.36.0/23
198.81.193.0/24
198.140.156.0/24
198.177.207.0/24
198.190.225.0/24
198.199.6.0/24
198.199.165.0/24
199.89.250.0/23
199.184.80.0/23
199.198.239.0/24
199.212.219.0/24
199.249.253.0/24
202.135.21.0/24
202.135.22.0/24
204.80.212.0/24
204.90.115.0/24
204.128.188.0/24
205.142.112.0/22
205.152.51.0/24
205.175.244.0/23
205.175.246.0/24
205.175.250.0/24
205.215.229.0/24
206.16.56.0/24
206.16.148.0/24
206.16.244.0/24
206.19.237.0/24
206.140.120.0/23
206.171.210.0/23
206.193.128.0/24
206.193.132.0/23
206.193.140.0/24
206.193.142.0/23
206.193.146.0/24
206.201.112.0/21
206.201.120.0/22
206.201.124.0/23
206.201.127.0/24
206.201.155.0/24
206.201.159.0/24
207.126.195.0/24
207.126.196.0/23
207.126.203.0/24
207.126.205.0/24
207.126.206.0/24
207.140.16.0/23
207.140.73.0/24
207.141.187.0/24
207.201.18.0/23
207.201.32.0/23
207.203.2.0/23
207.243.64.0/23
207.243.125.0/24
208.94.188.0/22
208.95.160.0/21
208.188.244.0/24
209.36.216.0/24
209.64.56.0/24
209.64.152.0/21
209.65.14.0/23
209.65.176.0/23
209.65.178.0/24
209.65.180.0/22
209.215.184.0/23
209.215.196.0/24
209.243.128.0/24
216.60.132.0/24
216.61.187.0/24
216.134.128.0/19

IPv6 prefixes

All 1 prefix.

2602:ffa2::/36

Other ASNs named AT&T Enterprises, LLC

24 other networks use the same organisation name; together with AS2386 they announce 103,072,004 IPv4 addresses.

ASNNameIPv4 addresses

AS7018ATT-INTERNET4 - AT&T Enterprises, LLC US90,002,688

AS6389BELLSOUTH-NET-BLK - AT&T Enterprises, LLC US4,237,056

AS20057ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC US3,979,776

AS2686ATGS-MMD-AS - AT&T Enterprises, LLC US1,370,368

AS14654WAYPORT - AT&T Enterprises, LLC US916,480

AS2687ATGS-MMD-AS - AT&T Enterprises, LLC US727,040

AS7287PBI-NET-BLK2 - AT&T Enterprises, LLC US420,864

AS2688ATGS-MMD-AS - AT&T Enterprises, LLC US345,600

AS19957STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC US291,072

AS6431ATT-RESEARCH - AT&T Enterprises, LLC US200,192

AS4185ATTIS-ASN4185 - AT&T Enterprises, LLC US131,328

AS2685ATGS-MMD-AS - AT&T Enterprises, LLC US94,464

AS25993ATT-LABS-AUSTIN-TX - AT&T Enterprises, LLC US44,288

AS4473ATTIS-ASN4473 - AT&T Enterprises, LLC US12,800

AS5671PBI-NET-BLK - AT&T Enterprises, LLC US8,448

AS5672PBI-NET-BLK - AT&T Enterprises, LLC US5,376

AS13965SBCIS-FYTVAR - AT&T Enterprises, LLC US4,096

AS3423ATTIS-ASN3423 - AT&T Enterprises, LLC US3,328

AS4468EASYLINK4 - AT&T Enterprises, LLC US1,536

AS6269ATT-INTERNET2 - AT&T Enterprises, LLC US1,280

AS7291SBIS-BLK - AT&T Enterprises, LLC US1,024

AS5728WORLDNET1 - AT&T Enterprises, LLC US512

AS4466EASYLINK2 - AT&T Enterprises, LLC US256

AS13979ATT-IPFR - AT&T Enterprises, LLC US4

Similar-sized networks in United States

ASNNameIPv4 addresses

AS8147#250 ASERICY - Ericsson Inc.276,224

AS127#251 JPL-AS127 - Jet Propulsion Laboratory275,456

AS35986#252 VYVE-BROADBAND - Vyve Broadband274,176

AS122#254 UPMC-AS122 - UPMC270,848

AS5180#255 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD)270,848

AS409#256 AFCONC-BLOCK1-AS - Air Force Systems Networking269,312

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources