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Autonomous systems

AS20057 ATT-MOBILITY-LLC-AS20057

Unclassified network🇺🇸 United StatesAS20057
IPv4 prefixes
374
IPv4 addresses
3,979,776
IPv6 prefixes
52
Registered
2001-03-20
whois.arin.net

At a glance

Network type
Unclassified network
Registry name
ATT-MOBILITY-LLC-AS20057 AS20057
registrant
AT&T Enterprises, LLC
administrative, technical
IPAdmin-ATT Internet Services ipadmin@att.com
routing
Routing POC routing_poc@att.com
technical
IP Team rm-ipspecialist@att.com

WHOIS → · ASN lookup →

IPv4 prefixes

Page 1
CIDRFirst addressLast addressAddresses
12.72.0.0/1812.72.0.012.72.83.25521,504
12.72.84.0/2312.72.84.012.72.86.255768
12.72.87.0/2412.72.87.012.72.111.2556,400
12.72.112.0/2212.72.112.012.72.117.2551,536
12.72.118.0/2312.72.118.012.72.126.2552,304
12.72.127.0/2412.72.127.012.72.130.2551,024
12.72.131.0/2412.72.131.012.72.132.255512
12.72.133.0/2412.72.133.012.72.151.2554,864
12.72.152.0/2112.72.152.012.72.175.2556,144
12.72.176.0/2012.72.176.012.72.253.25519,968
12.72.254.0/2312.72.254.012.73.127.25533,280
66.102.186.0/2466.102.186.066.102.186.255256
107.72.162.0/23107.72.162.0107.72.165.2551,024
107.72.174.0/24107.72.174.0107.72.174.255256
107.72.176.0/23107.72.176.0107.72.178.255768
107.72.225.0/24107.72.225.0107.72.225.255256
107.77.64.0/19107.77.64.0107.77.97.2558,704
107.77.100.0/22107.77.100.0107.77.111.2553,072
107.77.192.0/24107.77.192.0107.77.192.255256
107.77.194.0/23107.77.194.0107.77.207.2553,584
107.77.224.0/21107.77.224.0107.77.237.2553,584
107.80.0.0/23107.80.0.0107.80.2.255768
107.80.3.0/24107.80.3.0107.80.4.255512
107.80.5.0/24107.80.5.0107.80.5.255256
107.80.7.0/24107.80.7.0107.80.79.25518,688
107.80.80.0/20107.80.80.0107.80.95.2554,096
107.80.96.0/19107.80.96.0107.80.128.2558,448
107.80.129.0/24107.80.129.0107.80.129.255256
107.80.130.0/23107.80.130.0107.80.142.2553,328
107.80.143.0/24107.80.143.0107.80.146.2551,024
107.80.147.0/24107.80.147.0107.80.150.2551,024
107.80.151.0/24107.80.151.0107.80.154.2551,024
107.80.155.0/24107.80.155.0107.80.196.25510,752
107.80.197.0/24107.80.197.0107.80.198.255512
107.80.199.0/24107.80.199.0107.80.214.2554,096
107.80.215.0/24107.80.215.0107.80.216.255512
107.80.217.0/24107.80.217.0107.80.235.2554,864
107.80.236.0/23107.80.236.0107.80.238.255768
107.80.239.0/24107.80.239.0107.80.250.2553,072
107.80.251.0/24107.80.251.0107.80.253.255768
107.80.254.0/23107.80.254.0107.81.255.25566,048
107.84.0.0/22107.84.0.0107.84.3.2551,024
107.84.4.0/22107.84.4.0107.84.14.2552,816
107.84.15.0/24107.84.15.0107.84.28.2553,584
107.84.29.0/24107.84.29.0107.84.143.25529,440
107.84.144.0/21107.84.144.0107.84.151.2552,048
107.84.153.0/24107.84.153.0107.84.154.255512
107.84.155.0/24107.84.155.0107.84.177.2555,888
107.84.178.0/23107.84.178.0107.84.190.2553,328
107.84.191.0/24107.84.191.0107.84.200.2552,560
107.84.201.0/24107.84.201.0107.84.203.255768
107.84.204.0/22107.84.204.0107.84.208.2551,280
107.84.209.0/24107.84.209.0107.84.211.255768
107.84.212.0/23107.84.212.0107.84.214.255768
107.84.215.0/24107.84.215.0107.85.7.25512,544
107.85.8.0/21107.85.8.0107.85.17.2552,560
107.85.18.0/23107.85.18.0107.85.32.2553,840
107.85.33.0/24107.85.33.0107.85.34.255512
107.85.35.0/24107.85.35.0107.85.56.2555,632
107.85.57.0/24107.85.57.0107.85.65.2552,304
107.85.66.0/23107.85.66.0107.85.77.2553,072
107.85.78.0/23107.85.78.0107.85.110.2558,448
107.85.111.0/24107.85.111.0107.85.115.2551,280
107.85.116.0/23107.85.116.0107.85.117.255512
107.85.118.0/23107.85.118.0107.85.159.25510,752
107.85.160.0/20107.85.160.0107.85.182.2555,888
107.85.183.0/24107.85.183.0107.85.238.25514,336
107.85.239.0/24107.85.239.0107.85.255.2554,352
107.87.0.0/17107.87.0.0107.87.127.25532,768
107.87.136.0/22107.87.136.0107.87.139.2551,024
107.87.144.0/21107.87.144.0107.87.154.2552,816
107.87.192.0/18107.87.192.0107.87.255.25516,384
107.89.0.0/22107.89.0.0107.89.6.2551,792
107.89.7.0/24107.89.7.0107.89.39.2558,448
107.89.40.0/21107.89.40.0107.89.49.2552,560
107.89.50.0/23107.89.50.0107.89.60.2552,816
107.89.61.0/24107.89.61.0107.89.63.255768
107.89.64.0/23107.89.64.0107.89.65.255512
107.89.66.0/23107.89.66.0107.89.67.255512
107.89.68.0/22107.89.68.0107.89.194.25532,512
107.89.195.0/24107.89.195.0107.89.204.2552,560
107.89.205.0/24107.89.205.0107.89.206.255512
107.89.207.0/24107.89.207.0107.89.216.2552,560
107.89.217.0/24107.89.217.0107.89.218.255512
107.89.219.0/24107.89.219.0107.89.221.255768
107.89.222.0/23107.89.222.0107.89.229.2552,048
107.89.230.0/23107.89.230.0107.89.233.2551,024
107.89.234.0/23107.89.234.0107.90.39.25515,872
107.90.40.0/22107.90.40.0107.90.45.2551,536
107.90.46.0/23107.90.46.0107.90.48.255768
107.90.49.0/24107.90.49.0107.90.58.2552,560
107.90.59.0/24107.90.59.0107.90.60.255512
107.90.61.0/24107.90.61.0107.90.62.255512
107.90.63.0/24107.90.63.0107.90.65.255768
107.90.66.0/23107.90.66.0107.90.91.2556,656
107.90.92.0/22107.90.92.0107.90.103.2553,072
107.90.104.0/21107.90.104.0107.90.117.2553,584
107.90.118.0/23107.90.118.0107.90.126.2552,304
107.90.127.0/24107.90.127.0107.90.129.255768
107.90.130.0/23107.90.130.0107.90.153.2556,144
More prefixes

IPv6 prefixes

50
2600:380::/392600:380:200::/362600:380:a00::/352600:380:1200::/362600:380:2000::/372600:380:2600::/352600:380:3200::/332600:380:4600::/392600:380:4780::/352600:380:5380::/342600:380:6900::/352600:380:7480::/382600:380:7680::/392600:380:7780::/362600:380:7880::/392600:380:7980::/382600:380:7b80::/372600:380:7c80::/392600:380:7d80::/412600:380:7e00::/322600:380:8400::/362600:380:8a00::/392600:380:8b80::/372600:380:9000::/382600:380:9400::/392600:380:9800::/372600:380:9f80::/342600:380:a080::/392600:380:a180::/382600:380:a380::/372600:380:a600::/392600:380:b000::/382600:380:b380::/372600:380:b580::/362600:380:ba00::/372600:380:be00::/332600:380:c180::/372600:380:c600::/392600:380:f100::/462600:380:f104::/462600:380:f108::/462600:380:f10c::/462600:380:f1c0::/432600:380:f1d1::/482600:380:f1da::/472600:380:f1e0::/472600:380:f1ea::/432600:380:f1f2::/472600:380:f1fa::/482600:380:fe00::/31
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