AS7018 AT&T Enterprises, LLC

United States ATT-INTERNET4 ARIN 627 IPv4 prefixes 15 IPv6 prefixes
IPv4 addresses
96,429,824
IPv6 /48 networks
35,192,842
RPKI
355 valid287 no ROA
Peers and downstreams
1986

Holder

AS name
ATT-INTERNET4
Description
AT&T Enterprises, LLC
Organisation
AT&T Enterprises, LLC
Abuse contact
Not published
Assigned
1996-07-29
Registered
1996-07-30
Record last changed
2025-03-18 19:12 UTC
104.0.0.0/12104.176.0.0/12104.48.0.0/12107.125.32.0/24107.128.0.0/12107.178.30.0/24107.192.0.0/12107.208.0.0/12107.225.0.0/16107.225.100.0/22107.225.136.0/22107.225.140.0/22107.225.168.0/22107.225.172.0/22107.225.176.0/22107.225.180.0/22107.225.184.0/22107.225.188.0/22107.225.224.0/22107.225.228.0/22107.225.248.0/24107.225.253.0/24107.225.254.0/24107.225.42.0/24107.225.44.0/22107.225.48.0/22107.225.52.0/24107.225.56.0/22107.225.60.0/23107.225.62.0/24107.225.63.0/24107.225.72.0/22107.225.76.0/22107.225.8.0/22107.225.88.0/22107.225.92.0/22107.225.96.0/22107.227.0.0/17107.232.0.0/14107.239.0.0/17107.241.0.0/16107.242.0.0/17107.250.0.0/16107.250.56.0/21107.64.0.0/10108.144.0.0/14108.192.0.0/10108.64.0.0/1112.0.0.0/812.0.0.0/912.112.0.0/1212.128.0.0/912.240.0.0/1212.38.168.0/2212.55.0.0/1612.56.0.0/1312.76.0.0/1412.80.0.0/12129.37.0.0/16129.41.205.0/24129.41.53.0/24134.24.0.0/16135.211.192.0/18135.84.2.0/24136.143.202.0/24139.125.0.0/16141.174.195.0/24141.174.255.0/24141.174.95.0/24141.174.96.0/24141.174.97.0/24141.174.98.0/24147.1.47.0/24149.134.173.0/2415.0.104.0/2115.0.112.0/2015.0.64.0/2415.12.72.0/2215.91.228.0/24151.164.0.0/16155.106.0.0/21155.106.128.0/21155.163.0.0/16155.165.0.0/16155.165.63.0/24155.166.0.0/16155.170.0.0/16155.201.46.0/23157.234.209.0/24157.234.231.0/24157.234.244.0/24158.107.100.0/22158.107.104.0/22158.107.108.0/22158.107.112.0/22158.107.116.0/22158.107.156.0/22158.107.208.0/22158.107.212.0/22158.107.216.0/22158.107.220.0/22158.107.48.0/22159.215.78.0/24162.192.0.0/12162.224.0.0/12165.252.0.0/16165.74.0.0/16165.87.0.0/16166.128.0.0/13166.136.0.0/15166.138.128.0/17166.147.64.0/18166.170.0.0/15166.172.0.0/15166.175.0.0/16166.176.0.0/15166.183.0.0/16166.184.0.0/13166.192.0.0/13166.200.0.0/14166.204.0.0/17166.205.0.0/16166.208.0.0/15166.209.0.0/18166.212.0.0/14166.216.0.0/14166.220.0.0/16166.72.0.0/16167.192.150.0/24170.134.235.0/24170.187.0.0/24170.187.1.0/24172.0.0.0/12172.124.0.0/14172.85.112.0/24172.85.113.0/24192.127.228.0/24192.127.232.0/24192.137.21.0/24192.139.118.0/24192.148.5.0/24192.149.242.0/24192.153.156.0/24192.153.191.0/24192.156.214.0/24192.160.3.0/24192.195.176.0/24192.195.29.0/24192.203.127.0/24192.205.195.0/24192.205.31.0/24192.205.32.0/22192.205.36.0/23192.215.0.0/16192.215.10.0/24192.234.169.0/24192.241.47.0/24192.251.159.0/24192.31.165.0/24192.34.37.0/24192.42.98.0/24192.56.25.0/24192.56.28.0/24192.56.30.0/24192.56.41.0/24192.56.42.0/24192.56.49.0/24192.56.53.0/24192.77.217.0/24198.102.37.0/24198.133.16.0/20198.153.219.0/24198.17.222.0/24198.183.157.0/24198.183.158.0/24198.184.250.0/24198.212.251.0/24198.224.48.0/20198.224.8.0/21198.224.96.0/19198.228.192.0/18198.232.253.0/24198.245.232.0/22198.27.58.0/24198.46.39.0/24198.7.128.0/18198.89.32.0/24198.89.33.0/24198.89.34.0/24198.89.35.0/24198.89.36.0/24198.89.37.0/24198.89.38.0/24198.89.39.0/24198.89.40.0/24198.89.41.0/24198.89.42.0/24198.89.43.0/24198.97.51.0/24199.105.0.0/16199.106.0.0/15199.108.0.0/16199.165.206.0/24199.178.180.0/24199.178.222.0/24199.178.49.0/24199.179.228.0/24199.184.83.0/24199.186.0.0/16199.188.160.0/21199.191.128.0/23199.20.61.0/24199.223.143.0/24199.233.154.0/23199.69.0.0/16199.70.0.0/16199.80.104.0/24199.80.105.0/24199.80.117.0/24199.80.74.0/24199.80.78.0/24199.85.0.0/24199.89.229.0/24204.107.135.0/24204.124.208.0/24204.126.2.0/23204.126.64.0/24204.127.128.0/17204.127.189.0/24204.146.0.0/16204.152.158.0/24204.154.14.0/24204.154.15.0/24204.154.176.0/21204.159.108.0/22204.194.100.0/22204.194.96.0/21204.194.96.0/22204.235.244.0/22204.238.104.0/24204.238.234.0/24204.44.184.0/24204.44.185.0/24204.58.180.0/24204.60.0.0/16204.87.198.0/24205.142.61.0/24205.142.62.0/24205.144.144.0/24205.172.229.0/24205.173.118.0/24205.173.119.0/24205.201.57.0/24206.121.0.0/16206.125.176.0/24206.125.177.0/24206.125.178.0/24206.125.179.0/24206.125.180.0/24206.125.181.0/24206.13.0.0/17206.13.64.0/20206.141.192.0/24206.141.250.0/23206.16.0.0/14206.168.142.0/24206.170.0.0/15206.171.192.0/20206.202.176.0/23206.210.30.0/24206.227.103.0/24206.81.88.0/21207.104.0.0/15207.11.244.0/24207.116.0.0/16207.130.104.0/24207.130.105.0/24207.140.0.0/15207.182.208.0/23207.182.210.0/23207.182.212.0/23207.182.214.0/23207.182.216.0/24207.182.217.0/24207.182.218.0/24207.182.219.0/24207.182.220.0/24207.182.222.0/23207.189.162.0/24207.193.0.0/16207.212.0.0/14207.228.220.0/24207.228.224.0/24207.242.0.0/15207.252.0.0/16208.188.0.0/14208.69.0.0/24208.92.188.0/22208.94.250.0/24209.183.32.0/19209.184.0.0/16209.186.0.0/15209.214.0.0/15209.232.0.0/15209.30.0.0/16209.36.0.0/15209.64.0.0/15209.64.166.0/24209.76.0.0/14209.82.219.0/24216.100.0.0/14216.106.153.0/24216.134.32.0/19216.148.0.0/16216.154.224.0/19216.173.224.0/19216.176.244.0/24216.187.152.0/24216.241.82.0/24216.60.0.0/14216.65.192.0/19216.9.208.0/20217.28.163.0/2423.112.0.0/1223.132.116.0/2423.132.124.0/2423.132.140.0/2423.132.180.0/2423.132.204.0/2423.132.212.0/2423.132.220.0/2423.138.16.0/2423.178.128.0/2432.0.0.0/932.128.0.0/1232.176.0.0/1332.224.0.0/1332.233.0.0/1632.234.0.0/1532.243.0.0/163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Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 64/100
partly Prefixes covered by valid ROAs
355 of 642 announced prefixes are RPKI valid, 287 have no ROA.
14/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.
10/10
pass Announces IPv6
15 IPv6 prefixes.
15/15
pass More than one upstream
14 upstreams seen in BGP.
10/10
fail Working abuse contact
No abuse contact is published in the registry.
0/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.
0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.
10/10
pass Registry record maintained
Last changed 2025-03-18.
5/5

Routing changes

Last 30 days
No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS7018
as-name:        ATT-INTERNET4
handle:         AS7018
registrant:     AEL-360 (AT&T Enterprises, LLC)
last changed:   2025-03-18T15:12:26-04:00
registration:   1996-07-30T00:00:00-04:00
source:         ARIN (RDAP)