ResearchRouting table, RPKI, IRR & looking glass

AS7018 AT&T Enterprises, LLC

AS7018 (ATT-INTERNET4) is registered to AT&T Enterprises, LLC in US, through ARIN. It originates 639 prefixes in the global routing table.

623
IPv4 prefixes
16
IPv6 prefixes
96,428,288
IPv4 addresses
55%
RPKI valid
Registration

Who holds AS7018

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS7018
Handle
ATT-INTERNET4
Organization
AT&T Enterprises, LLC
Country
US
Registry
ARIN
ASPA
No providers (AS0)
WHOIS recordARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       7018
ASName:         ATT-INTERNET4
ASHandle:       AS7018
RegDate:        1996-07-30
Updated:        2025-03-18
Ref:            https://rdap.arin.net/registry/autnum/7018



OrgName:        AT&T Enterprises, LLC
OrgId:          AEL-360
Address:        208 S. Akard St.
City:           Dallas
StateProv:      TX
PostalCode:     75202
Country:        US
RegDate:        2024-11-22
Updated:        2026-06-05
Ref:            https://rdap.arin.net/registry/entity/AEL-360


OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  routing_poc@att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN

OrgTechHandle: ICC-ARIN
OrgTechName:   IP Team
OrgTechPhone:  +1-888-876-2382 
OrgTechEmail:  rm-ipspecialist@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  ipadmin@semail.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167 
OrgAbuseEmail:  abuse@att.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
Routing

What AS7018 announces

Prefixes originated by AS7018 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
623
IPv6 prefixes
16
IPv4 addresses
96,428,288 (376,673 /24s)
RPKI valid
355 55%
RPKI invalid
2
RPKI not found
282
ROAs naming AS7018
968
With an IRR route object
181 28%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (623)
12.0.0.0/812.0.0.0/912.38.168.0/2212.55.0.0/1612.56.0.0/1312.76.0.0/1412.80.0.0/1212.112.0.0/1212.127.255.255/3212.128.0.0/912.240.0.0/1215.0.64.0/2415.0.104.0/2115.0.112.0/2015.12.72.0/2215.91.228.0/2423.112.0.0/1223.132.116.0/2423.132.124.0/2423.132.140.0/2423.132.180.0/2423.132.204.0/2423.132.212.0/2423.132.220.0/2423.138.16.0/2423.178.128.0/2432.0.0.0/932.70.0.0/2232.75.228.0/2332.75.232.0/2232.95.226.0/2332.95.228.0/2432.128.0.0/1232.176.0.0/1332.224.0.0/1332.233.0.0/1632.234.0.0/1532.243.0.0/1632.244.0.0/1532.246.0.0/1632.249.0.0/1632.250.0.0/1532.252.0.0/1532.254.0.0/1645.16.0.0/1263.192.0.0/1263.240.0.0/1563.240.165.0/2463.242.0.0/1663.246.144.0/2464.66.255.0/2464.108.0.0/1564.123.0.0/1664.143.0.0/1764.143.128.0/1864.143.192.0/1964.148.0.0/1564.160.0.0/1264.216.0.0/1464.252.0.0/1864.252.192.0/1865.42.0.0/1565.64.0.0/1365.97.64.0/1866.10.0.0/1666.72.0.0/1566.97.144.0/2466.97.145.0/2466.97.146.0/2366.102.160.0/1966.120.0.0/1366.136.0.0/1366.159.128.0/1866.161.0.0/1767.36.0.0/1467.64.0.0/1467.112.0.0/1268.20.0.0/1468.72.0.0/1468.76.0.0/1568.78.0.0/1668.79.64.0/1868.79.128.0/1768.88.0.0/1368.120.0.0/1368.248.0.0/1369.0.0.0/1769.37.0.0/1669.104.0.0/1569.106.0.0/1669.107.64.0/1869.107.128.0/1769.108.0.0/1469.148.0.0/1469.152.0.0/1469.176.93.0/2469.176.94.0/2469.177.0.0/1669.182.0.0/1569.208.0.0/1569.210.0.0/1869.210.128.0/1769.211.0.0/1669.212.0.0/1469.216.0.0/1369.224.0.0/1469.228.0.0/1569.230.0.0/1769.230.128.0/1869.231.0.0/1769.231.192.0/1869.232.0.0/1569.234.0.0/1769.234.128.0/1869.235.0.0/1769.235.192.0/1869.236.0.0/1470.128.0.0/1570.130.0.0/1770.130.128.0/18
Show 503 more
70.131.0.0/1770.131.128.0/1870.132.64.0/1870.132.128.0/1770.133.0.0/1670.134.0.0/1570.136.0.0/1370.144.0.0/1870.159.160.0/2370.159.184.0/2370.159.188.0/2370.159.191.0/2470.159.192.0/2370.159.198.0/2370.159.240.0/2370.159.244.0/2370.159.248.0/2370.159.252.0/2370.224.0.0/1770.224.128.0/1870.225.0.0/1670.226.0.0/1570.228.0.0/1470.232.0.0/1870.232.128.0/1770.233.0.0/1670.234.0.0/1570.236.64.0/1870.236.128.0/1770.237.0.0/1770.237.128.0/1870.238.0.0/1570.240.0.0/1870.240.128.0/1770.241.0.0/1670.242.0.0/1570.244.0.0/1470.248.0.0/1570.250.0.0/1670.251.0.0/1870.251.128.0/1770.252.0.0/1471.128.0.0/1571.130.0.0/1671.131.0.0/1771.131.128.0/1871.132.64.0/1871.132.128.0/1771.133.0.0/1671.134.0.0/1571.136.0.0/1871.136.128.0/1771.137.64.0/1871.137.128.0/1771.138.0.0/1571.140.0.0/1671.141.64.0/1871.141.192.0/1871.142.0.0/1671.143.64.0/1871.143.128.0/1771.144.0.0/1671.145.0.0/1771.145.192.0/1871.146.0.0/1571.148.0.0/1471.152.128.0/1771.153.0.0/1671.154.0.0/1571.156.0.0/1472.14.78.0/2472.157.0.0/2372.157.4.0/2372.157.8.0/2372.157.10.0/2372.157.12.0/2372.157.16.0/2372.157.18.0/2472.157.20.0/2372.157.24.0/2374.114.44.0/2275.0.0.0/1575.2.192.0/1875.3.64.0/1875.3.192.0/1875.4.0.0/1475.8.0.0/1375.16.0.0/1475.20.0.0/1575.22.0.0/1775.22.128.0/1875.23.0.0/1675.24.0.0/1375.32.0.0/1375.40.0.0/1475.44.0.0/1675.45.0.0/1775.45.192.0/1875.46.0.0/1675.47.64.0/1875.47.192.0/1875.48.0.0/1276.78.246.0/2476.192.0.0/1476.196.0.0/1676.197.0.0/1776.197.192.0/1876.198.0.0/1576.200.0.0/1476.204.0.0/1676.205.0.0/1876.205.128.0/1776.206.0.0/1576.208.0.0/1576.210.0.0/1676.211.64.0/1876.211.128.0/1776.212.0.0/1476.216.0.0/1476.220.0.0/1576.222.0.0/1676.223.192.0/1876.224.0.0/1376.232.0.0/1476.236.0.0/1576.238.64.0/1876.238.128.0/1776.239.0.0/1676.240.0.0/1676.241.0.0/1876.241.128.0/1776.242.0.0/1576.244.0.0/1476.248.0.0/1476.252.64.0/1876.252.128.0/1776.253.0.0/1676.254.0.0/1676.255.0.0/1876.255.128.0/1796.44.22.0/2497.75.235.0/2499.0.0.0/1399.8.0.0/1599.10.64.0/1899.10.128.0/1799.11.0.0/1699.12.0.0/1499.16.0.0/1299.32.0.0/1299.48.0.0/1399.56.0.0/1399.64.0.0/1399.72.0.0/1599.74.0.0/1699.75.0.0/1799.75.128.0/1899.76.0.0/1899.76.128.0/1799.77.64.0/1899.78.64.0/1899.82.192.0/1899.83.0.0/1899.85.0.0/1799.87.192.0/1899.88.0.0/1399.96.0.0/1399.104.0.0/1699.105.0.0/1799.105.192.0/1899.106.0.0/1599.108.0.0/1499.112.0.0/1299.128.0.0/1399.136.0.0/1499.140.0.0/1699.141.128.0/1799.142.0.0/1699.144.0.0/1799.144.128.0/1899.145.0.0/1699.146.0.0/1599.148.0.0/1599.150.128.0/1799.151.0.0/1899.151.192.0/1899.152.0.0/1499.156.0.0/1799.156.128.0/1899.157.0.0/1699.158.0.0/1599.160.0.0/1399.168.0.0/1399.176.0.0/1499.180.0.0/1699.181.0.0/1899.181.128.0/1799.182.0.0/1599.184.0.0/13104.0.0.0/12104.48.0.0/12104.176.0.0/12107.64.0.0/10107.125.32.0/24107.128.0.0/12107.178.30.0/24107.192.0.0/12107.208.0.0/12107.225.0.0/16107.225.8.0/22107.225.42.0/24107.225.44.0/22107.225.48.0/22107.225.52.0/24107.225.56.0/22107.225.60.0/23107.225.62.0/24107.225.63.0/24107.225.72.0/22107.225.76.0/22107.225.88.0/22107.225.92.0/22107.225.96.0/22107.225.100.0/22107.225.136.0/22107.225.140.0/22107.225.168.0/22107.225.172.0/22107.225.176.0/22107.225.180.0/22107.225.184.0/22107.225.188.0/22107.225.224.0/22107.225.228.0/22107.225.248.0/24107.225.253.0/24107.225.254.0/24107.227.0.0/17107.232.0.0/14107.239.0.0/17107.241.0.0/16107.242.0.0/17107.250.0.0/16107.250.56.0/21108.64.0.0/11108.144.0.0/14108.192.0.0/10129.37.0.0/16129.41.53.0/24129.41.205.0/24134.24.0.0/16135.84.2.0/24135.211.192.0/18136.143.202.0/24139.125.0.0/16141.174.95.0/24141.174.96.0/24141.174.97.0/24141.174.98.0/24141.174.195.0/24141.174.255.0/24147.1.47.0/24149.134.173.0/24151.164.0.0/16155.106.0.0/21155.106.128.0/21155.163.0.0/16155.165.0.0/16155.165.63.0/24155.166.0.0/16155.170.0.0/16155.201.46.0/23157.234.209.0/24157.234.231.0/24157.234.244.0/24158.107.48.0/22158.107.100.0/22158.107.104.0/22158.107.108.0/22158.107.112.0/22158.107.116.0/22158.107.156.0/22158.107.208.0/22158.107.212.0/22158.107.216.0/22158.107.220.0/22159.215.78.0/24162.192.0.0/12162.224.0.0/12165.74.0.0/16165.87.0.0/16165.252.0.0/16166.72.0.0/16166.128.0.0/13166.136.0.0/15166.138.128.0/17166.147.64.0/18166.170.0.0/15166.172.0.0/15166.175.0.0/16166.176.0.0/15166.183.0.0/16166.184.0.0/13166.192.0.0/13166.200.0.0/14166.204.0.0/17166.205.0.0/16166.208.0.0/15166.209.0.0/18166.212.0.0/14166.216.0.0/14166.220.0.0/16167.192.150.0/24170.134.235.0/24170.187.0.0/24170.187.1.0/24172.0.0.0/12172.85.112.0/24172.85.113.0/24172.124.0.0/14192.31.165.0/24192.34.37.0/24192.42.98.0/24192.56.25.0/24192.56.28.0/24192.56.30.0/24192.56.41.0/24192.56.42.0/24192.56.49.0/24192.56.53.0/24192.77.217.0/24192.127.228.0/24192.127.232.0/24192.137.21.0/24192.139.118.0/24192.148.5.0/24192.149.242.0/24192.153.156.0/24192.153.191.0/24192.156.214.0/24192.160.3.0/24192.195.29.0/24192.195.176.0/24192.205.31.0/24192.205.32.0/22192.205.36.0/23192.205.195.0/24192.215.0.0/16192.215.10.0/24192.234.169.0/24192.241.47.0/24192.251.159.0/24198.7.128.0/18198.17.222.0/24198.27.58.0/24198.46.39.0/24198.89.32.0/24198.89.33.0/24198.89.34.0/24198.89.35.0/24198.89.36.0/24198.89.37.0/24198.89.38.0/24198.89.39.0/24198.89.40.0/24198.89.41.0/24198.89.42.0/24198.89.43.0/24198.97.51.0/24198.102.37.0/24198.133.16.0/20198.153.219.0/24198.183.157.0/24198.183.158.0/24198.184.250.0/24198.212.251.0/24198.224.8.0/21198.224.48.0/20198.224.96.0/19198.228.192.0/18198.232.253.0/24198.245.232.0/22199.20.61.0/24199.69.0.0/16199.70.0.0/16199.80.74.0/24199.80.104.0/24199.80.105.0/24199.80.117.0/24199.85.0.0/24199.89.229.0/24199.105.0.0/16199.106.0.0/15199.108.0.0/16199.165.206.0/24199.178.49.0/24199.178.180.0/24199.178.222.0/24199.179.228.0/24199.184.83.0/24199.186.0.0/16199.188.160.0/21199.191.128.0/23199.223.143.0/24199.233.154.0/23204.44.184.0/24204.44.185.0/24204.58.180.0/24204.60.0.0/16204.87.198.0/24204.107.135.0/24204.124.208.0/24204.126.2.0/23204.126.64.0/24204.127.128.0/17204.127.189.0/24204.146.0.0/16204.152.158.0/24204.154.14.0/24204.154.15.0/24204.154.176.0/21204.159.108.0/22204.194.96.0/21204.194.96.0/22204.194.100.0/22204.235.244.0/22204.238.234.0/24205.142.61.0/24205.142.62.0/24205.144.144.0/24205.172.229.0/24205.173.118.0/24205.173.119.0/24205.201.57.0/24206.13.0.0/17206.13.64.0/20206.16.0.0/14206.81.88.0/21206.121.0.0/16206.125.176.0/24206.125.177.0/24206.125.178.0/24206.125.179.0/24206.125.180.0/24206.125.181.0/24206.141.192.0/24206.141.250.0/23206.168.142.0/24206.170.0.0/15206.171.192.0/20206.202.176.0/23206.210.30.0/24206.227.103.0/24207.11.244.0/24207.104.0.0/15207.116.0.0/16207.130.104.0/24207.130.105.0/24207.140.0.0/15207.182.208.0/23207.182.210.0/23207.182.212.0/23207.182.214.0/23207.182.216.0/24207.182.217.0/24207.182.218.0/24207.182.219.0/24207.182.220.0/24207.182.222.0/23207.189.162.0/24207.193.0.0/16207.212.0.0/14207.228.220.0/24207.228.224.0/24207.242.0.0/15207.252.0.0/16208.69.0.0/24208.92.188.0/22208.94.250.0/24208.188.0.0/14209.30.0.0/16209.36.0.0/15209.64.0.0/15209.64.166.0/24209.76.0.0/14209.183.32.0/19209.184.0.0/16209.186.0.0/15209.214.0.0/15209.232.0.0/15216.9.208.0/20216.60.0.0/14216.65.192.0/19216.100.0.0/14216.106.153.0/24216.134.32.0/19216.148.0.0/16216.154.224.0/19216.173.224.0/19216.176.244.0/24216.187.152.0/24216.241.82.0/24217.28.163.0/24
IPv6 (16)
2001:1890::/292001:1890::12:127:255:255/1282600:300::/242600:1700::/282602:300::/242606:ae00::/322607:9080:6::/482620:0:f40::/482620:27:f::/482620:59:a000::/482620:98:6000::/482620:a5:2000::/482620:b1:8000::/482620:ca:e000::/482620:129:100f::/482a02:13e0:1::/48

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS7018 is reached through

The AS just before AS7018 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS174 COGENT-174 60AS3356 LEVEL3 60AS6939 HURRICANE 60
ASPA

Provider authorization

AS7018 publishes an ASPA naming this provider. 40 ASes name it as a provider in theirs. Check a path.

AS0 (no providers)
The 40 ASes that name AS7018 as a provider
AS797 AMERITECH-ASAS1647 INTEROP-ASAS4466 EASYLINK2AS6389 BELLSOUTH-NET-BLKAS7287 PBI-NET-BLK2AS11185 DREAMHACKAS11983 TIKTOK-USDSAS14103 ACDNET-ASN1AS14299 ADP1AS14654 WAYPORTAS15304 WASHOE-NETAS18685 PLANNET-OC-01AS20057 ATT-MOBILITY-LLC-AS20057AS21518 INTEGRIS-HEALTHAS23028 TEAM-CYMRUAS23228 AS1-CO-EL-PASO-TXAS25823 FLAG-ORGAS29298 SUSEAS33069 AS-BUSINESS-COMMUNICATIONSAS36032 WBD-AS36032AS36506 WA-ASNAS39961 CCSFAS40684 STCLAIRCCC-ASAS49935 SmartEyeAS58965 ABSPL-AS-INAS60092 FIXITYAS202142 PACKETHARBORAS211757 PANASCAISAS394737 ANTS-TECHNOLOGYAS395500 WILSONCREEKAS398026 INDIANAPOLIS-AIRPORT-AUTHORITYAS398837 HOPEAS400643 ARROYO-SECO-01AS401877 WBC-ASN-03AS401878 WBC-ASN-04AS401953 SBA1DCAS402530 FELWAREAS402540 MJWINNOVATIONSAS402657 QUESTMARKAS402714 GCS-SAT-AS
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Route objects with origin AS7018: ARIN 505 · RADB 360 · RIPE 278 · AFRINIC 51 · APNIC 39 · ALTDB 17

as-sets that list AS7018 (51)first 40 shown
AS-13998-UTSWAS-14230-UPSTREAMAS-17117IMPORTAS-20355-PROVIDERSAS-ACT-GLOBALAS-ATTUKEMEAAS-BECI-MAINAS-BVPIBVRCPROVIDERSAS-COMPUTEARIZONAAS-COMPUTEAZAS-COX-NOVAAS-CTAS-CTBC-CUSTOMERS64AS-DIVIVOXAS-GCI-DOWNSTREAMAS-H5DATA-AS-SETSTL01AS-HN-104-SD-001AS-IRIS-CUSTOMER-CUSTOMERSAS-JDCAS-LEVEL3-POLICY-ASESAS-LEVEL3-TRANSITSAS-LUMEN-CUSTOMERS-ASNSAS-OCCAID6-CUSTOMERSAS-ORMATAS-OUSD-PEERSAS-PNAPDALZAS-RAZZO-TRANSITAS-RIS-RRC00AS-RR-BIZAS-SE-USAS-SILOCOMM-PEERSAS-TRANSIT-FREE-V4AS-TRANSIT-FREE-V6AS-XO-BAS-XO-PAS-ZENEDGEAS10821:AS-PEERSAS15164:AS-CUSTOMERSAS19820:AS-PEERSAS199746:AS-BLACKLIST
Tools

Check AS7018 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup