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Data as of Nov 7, 2026

206.16.0.0/14

No anonymizer space

AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS7018
Type
Residential
97% of it

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
206.16.21.0/24
since Sep 2022
AS393360BusinessAT&T Enterprises, LLC
206.16.32.0/24
since Sep 2017
AS40526BusinessAT&T Enterprises, LLC
206.16.56.0/24
since Jun 2023
AS2386UnknownAT&T Enterprises, LLC
206.16.148.0/24
since May 2024
AS2386Internet providerAT&T Enterprises, LLC
206.16.194.0/24
since Sep 2022
AS394572BusinessAT&T Enterprises, LLC
206.16.212.0/24
since Sep 2022
AS394572BusinessAT&T Enterprises, LLC
206.16.240.0/24
since Dec 2016
AS393415BusinessAT&T Enterprises, LLC
206.16.241.0/24
since Jul 2022
AS394572BusinessAT&T Enterprises, LLC
206.16.244.0/24
since Aug 2025
AS2386BusinessAT&T Enterprises, LLC
206.17.31.0/24
since Sep 2022
AS394572BusinessAT&T Enterprises, LLC
206.18.152.0/22
since Aug 2024
AS3573BusinessAT&T Enterprises, LLC
206.19.51.0/24
since Apr 2023
AS12152BusinessAT&T Enterprises, LLC
206.19.231.0/24
since Nov 2021
AS22056BusinessAT&T Enterprises, LLC
206.19.237.0/24
since May 2023
AS2386UnknownAT&T Enterprises, LLC
206.19.244.0/24
since Feb 2014
AS32224BusinessAT&T Enterprises, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
206.16.0.0/14262,144CERFNET-BLK-206AT&T Enterprises, LLC (AEL-360) · USDirect AllocationMay 17, 1995abuse@att.net
└ 206.16.10.16/298ATTWH-206-16-10-16-29-1308213801unknown———
└ 206.16.10.40/298ATTWH-206-16-10-40-29-1311261242unknown———
└ 206.16.11.16/298ATTWH-206-16-11-16-29-1404302746unknown———
└ 206.16.11.88/298ATTWH-206-16-11-88-29-1406264028unknown———
└ 206.16.14.0/24256ATTENS-010081-004449unknown———
└ 206.16.18.192/2664ATTWH-206-16-18-192-26-0908125430unknown———
└ 206.16.19.48/298ATTWH-206-16-19-48-29-0806262434unknown———
└ 206.16.21.0/24256ATTWH-206-16-21-0-24-1102084230CI - NIC Inc. SID-10476 (C02691569) · USReassignedFeb 8, 2011abuse@att.net
via CERFNET-BLK-206
└ 206.16.22.0/25128ATTWH-206-16-22-0-25-1209215017unknown———
└ 206.16.23.0/25128ATTWH-206-16-23-0-25-1209215121unknown———
└ 206.16.23.208/298ATTWH-206-16-23-208-29-1403243202unknown———
└ 206.16.23.224/2816ATTWH-206-16-23-224-28-1403243604unknown———
└ 206.16.27.0/2664ATTWH-206-16-27-0-26-1003304748unknown———
└ 206.16.27.128/2664INAPATTENS-009952-004239unknown———
└ 206.16.27.208/2816ATTWH-206-16-27-208-28-1505112003unknown———
└ 206.16.27.224/298ATTWH-206-16-27-224-29-1208065651unknown———
└ 206.16.32.0/221,024THE-GAP-INCThe Gap, Inc. (THEGAP) · USReassignedNov 10, 2000sridhar_reddy@gap.com
└ 206.16.38.0/24256CERF-CALARTSunknown———
└ 206.16.40.16/2816ATTWH-206-16-40-16-28-0902045010unknown———
└ 206.16.40.40/298ATTENS-010068-004465unknown———
└ 206.16.40.48/298ATT-206-16-40-48-29unknown———
└ 206.16.40.176/2816ATTWH-206-16-40-176-28-1005063145unknown———
└ 206.16.40.192/2732ATTENS-010068-004463unknown———
└ 206.16.40.224/2732ATTENS-010068-004575unknown———
└ 206.16.42.128/25128ATTWH-206-16-42-128-25-2301242344unknown———
└ 206.16.43.0/24256ATTENS-009567-004354unknown———
└ 206.16.44.0/2664ATTWH-206-16-44-0-26-1009144856unknown———
└ 206.16.44.128/2664ATTWH-206-16-44-128-26-1102232531unknown———
└ 206.16.45.24/298ATTENS-010198-004694unknown———
└ 206.16.45.32/2816ATTENS-010198-004695unknown———
└ 206.16.45.48/2816ATTWH-206-16-45-48-28-1207242904unknown———
└ 206.16.45.64/2664ATTENS-010249-004810unknown———
└ 206.16.45.128/2664ATTENS-010249-004812unknown———
└ 206.16.46.8/298ATTWH-206-16-46-8-29-1802091455unknown———
└ 206.16.46.192/2664ATTWH-206-16-46-192-26-0901292146unknown———
└ 206.16.47.0/24256ATTENS-010068-005381unknown———
└ 206.16.48.0/221,024CERF-AUTOWEBCOMM-Aunknown———
└ 206.16.56.0/24256ATTENS-010057-004431Gibson, Dunn & Crutcher, LLP (C01120909) · USReassignedJun 23, 2005abuse@att.net
via CERFNET-BLK-206
└ 206.16.57.0/2664ATTENS-009784-004451unknown———
└ 206.16.58.0/24256ATTWH-206-16-58-0-24-1007041432unknown———
└ 206.16.59.0/25128ATT-206-16-59-0-25unknown———
└ 206.16.59.224/298ATTENS-010113-004585unknown———
└ 206.16.59.240/2816ATTWH-206-16-59-240-28-2302070237unknown———
└ 206.16.60.48/298ATTWH-206-16-60-48-29-1407010617unknown———
└ 206.16.60.80/298ATTENS-010215-004760unknown———
└ 206.16.60.88/298ATTENS-010226-004769unknown———
└ 206.16.60.128/25128ATTENS-010057-005167unknown———
└ 206.16.70.96/298ATTWH-206-16-70-96-29-1204112311unknown———
└ 206.16.89.0/24256CERF-PEGASUSunknown———
└ 206.16.91.0/24256CERF-MCTGROUP-Aunknown———
└ 206.16.93.0/24256CERF-PDMSOFTunknown———
└ 206.16.96.0/24256ATTFNET-206-16-96-0unknown———
└ 206.16.96.108/312ATTFNET-206-16-96-108unknown———
└ 206.16.96.128/2816ATTFNET-206-16-96-128unknown———
└ 206.16.96.182/312ATTFNET-206-16-96-182unknown———
└ 206.16.97.0/24256ATTENS-006732-005676unknown———
└ 206.16.98.0/24256ATTENS-006732-005677unknown———
└ 206.16.99.0/24256ATTFNET-206-16-99-0unknown———
└ 206.16.99.96/298ATTFNET-206-16-99-96unknown———
└ 206.16.99.244/304ATTFNET-12-218-0-0-24unknown———
└ 206.16.100.0/24256ATTWH-206-16-100-0-24-0902044433unknown———
└ 206.16.104.0/24256CERF-ONETEL-Aunknown———
└ 206.16.105.0 - 206.16.111.2551,792CERF-ONETEL-Bunknown———
└ 206.16.128.240/2816ATTWH-206-16-128-240-28-1007281948unknown———
└ 206.16.129.16/2816ATTWH-206-16-129-16-28-1007282300unknown———
└ 206.16.129.32/2816ATTWH-206-16-129-32-28-1008020621unknown———
└ 206.16.129.48/2816ATTWH-206-16-129-48-28-1008021106unknown———
└ 206.16.130.0/24256ATTWH-206-16-130-0-24-1008045010unknown———
└ 206.16.131.0/2664ATTWH-206-16-131-0-26-1008090600unknown———
└ 206.16.131.176/2816ATTWH-206-16-131-176-28-1010130305unknown———
└ 206.16.131.208/2816ATTWH-206-16-131-208-28-1010180621unknown———
└ 206.16.132.128/2816ATTWH-206-16-132-128-28-1010262835unknown———
└ 206.16.133.16/2816ATTWH-206-16-133-16-28-1011243720unknown———
└ 206.16.133.32/2816ATTWH-206-16-133-32-28-1011305028unknown———
└ 206.16.133.48/2816ATTWH-206-16-133-48-28-1012011610unknown———
└ 206.16.134.112/2816ATTWH-206-16-134-112-28-1102031654unknown———
└ 206.16.140.64/298ATTWH-206-16-140-64-29-1501275624unknown———
└ 206.16.142.16/2816ATTWH-206-16-142-16-28-1404160624unknown———
└ 206.16.143.152/298ATTWH-206-16-143-152-29-2210200345unknown———
└ 206.16.149.64/2732ATTWH-206-16-149-64-27-1502162408unknown———
└ 206.16.152.0/2664ATTENS-011363-005558unknown———
└ 206.16.168.192/2664ATTWH-206-16-168-192-26-1103020841unknown———
└ 206.16.169.64/2664ATTWH-206-16-169-64-26-1103021253unknown———
└ 206.16.169.128/2664ATTWH-206-16-169-128-26-1103021524unknown———
└ 206.16.169.192/2732ATTWH-206-16-169-192-27-1103024927unknown———
└ 206.16.169.224/2732ATTWH-206-16-169-224-27-1103025022unknown———
└ 206.16.170.0/2732ATTWH-206-16-170-0-27-1103035818unknown———
└ 206.16.170.112/2816ATTWH-206-16-170-112-28-1103032431unknown———
└ 206.16.171.0/2816ATTWH-206-16-171-0-28-1306280803unknown———
└ 206.16.171.144/2816ATTWH-206-16-171-144-28-1511174459unknown———
└ 206.16.171.224/298ATTWH-206-16-171-224-29-1511174856unknown———
└ 206.16.173.64/2664ATTWH-206-16-173-64-26-1505081918unknown———
└ 206.16.184.0/212,048CERF-DANAPTunknown———
└ 206.16.192.0/2732ATTENS-008322-001474unknown———
└ 206.16.192.64/2816ATTENS-009099-002480unknown———
└ 206.16.194.0/24256ATTENS-009359-005983NIC USA, Inc. (C01557637) · USReassignedJan 29, 2007abuse@att.net
via CERFNET-BLK-206
└ 206.16.197.0/24256ATTWH-206-16-197-0-24-0710183536unknown———
└ 206.16.198.64/2816ATTENS-008851-001959unknown———
└ 206.16.198.80/2816ATTENS-008851-001965unknown———
└ 206.16.198.160/298ATTENS-008955-002196unknown———
└ 206.16.198.168/298ATT-206-16-198-168-29unknown———
└ 206.16.198.192/2664ATTWH-206-16-198-192-26-0904083500unknown———
└ 206.16.199.32/2732ATTWH-206-16-199-32-27-0803203528unknown———
└ 206.16.199.128/2732ATTWH-206-16-199-128-27-0703220903unknown———
└ 206.16.199.192/2732ATT-206-16-199-192-27unknown———
└ 206.16.201.144/298ATTWH-206-16-201-144-29-0803135547unknown———
└ 206.16.201.152/298ATTENS-009052-002390unknown———
└ 206.16.201.160/298ATT-206-16-201-160-29unknown———
└ 206.16.204.32/2816ATTWH-206-16-204-32-28-0809180743unknown———
└ 206.16.204.64/2816ATTENS-010075-004526unknown———
└ 206.16.204.80/2816ATTWH-206-16-204-80-28-0808214945unknown———
└ 206.16.204.96/298ATTWH-206-16-204-96-29-1010053137unknown———
└ 206.16.204.160/2816ATTWH-206-16-204-160-28-2105171124unknown———
└ 206.16.204.224/298ATTENS-008099-002921unknown———
└ 206.16.204.232/298ATTWH-206-16-204-232-29-0804013050unknown———
└ 206.16.205.128/2816ATTWH-206-16-205-128-28-2304290719unknown———
└ 206.16.206.64/2664ATTENS-009355-003029unknown———
└ 206.16.210.0/24256ATTENS-009355-003003unknown———
└ 206.16.213.16/2816ATTWH-206-16-213-16-28-2304040007unknown———
└ 206.16.213.32/298ATTWH-206-16-213-32-29-0811065820unknown———
└ 206.16.213.40/298ATTWH-206-16-213-40-29-0811105009unknown———
└ 206.16.213.56/298ATTWH-206-16-213-56-29-0811204501unknown———
└ 206.16.213.64/2732ATTWH-206-16-213-64-27-1407113340unknown———
└ 206.16.213.96/2816ATTWH-206-16-213-96-28-0909143359unknown———
└ 206.16.213.112/2816ATTWH-206-16-213-112-28-0910022624unknown———
└ 206.16.213.128/304ATTWH-206-16-213-128-30-2209051346unknown———
└ 206.16.213.132/304ATTWH-206-16-213-132-30-2209051431unknown———
└ 206.16.213.136/298ATTWH-206-16-213-136-29-0712241400unknown———
└ 206.16.213.152/298ATTWH-206-16-213-152-29-0702212748unknown———
└ 206.16.213.200/298ATTWH-206-16-213-200-29-1506024521unknown———
└ 206.16.213.240/298ATTWH-206-16-213-240-29-1308212920unknown———
└ 206.16.215.128/2732ATTENS-009355-003549unknown———
└ 206.16.215.248/298ATTWH-206-16-215-248-29-1404041753unknown———
└ 206.16.217.32/2816ATTENS-009050-004152unknown———
└ 206.16.217.48/2816ATTENS-010593-005614unknown———
└ 206.16.217.64/2816ATTWH-206-16-217-64-28-2301272221unknown———
└ 206.16.217.96/2732ATTENS-008774-004325unknown———
└ 206.16.217.224/2732ATTWH-206-16-217-224-27-1009080836unknown———
└ 206.16.219.32/2816ATTWH-206-16-219-32-28-1506184538unknown———
└ 206.16.223.0/24256ATTENS-010075-004450unknown———
└ 206.16.224.72/298ATT-206-16-224-72-29unknown———
└ 206.16.224.128/2732ATTWH-206-16-224-128-27-1407303524unknown———
└ 206.16.224.160/2732ATTENS-010075-005880unknown———
└ 206.16.224.192/2664ATTWH-206-16-224-192-26-0702213832unknown———
└ 206.16.226.200/298ATT-206-16-226-200-29unknown———
└ 206.16.226.216/298ATTWH-206-16-226-216-29-1204252937unknown———
└ 206.16.226.224/298ATT-206-16-226-224-29unknown———
└ 206.16.227.64/2732ATTWH-206-16-227-64-27-0705162639unknown———
└ 206.16.228.0/23512ATTWH-206-16-228-0-23-0705123303unknown———
└ 206.16.230.136/298ATTWH-206-16-230-136-29-1407112925unknown———
└ 206.16.230.168/298ATTWH-206-16-230-168-29-0711215333unknown———
└ 206.16.230.176/298ATTWH-206-16-230-176-29-0706210618unknown———
└ 206.16.230.184/298ATTWH-206-16-230-184-29-1311215534unknown———
└ 206.16.230.200/298ATTWH-206-16-230-200-29-1408211558unknown———
└ 206.16.232.32/2732ATTENS-009614-003473unknown———
└ 206.16.232.128/298ATTWH-206-16-232-128-29-1103143306unknown———
└ 206.16.232.176/2816ATTWH-206-16-232-176-28-1103143436unknown———
└ 206.16.232.208/298ATTENS-009634-003488unknown———
└ 206.16.232.224/2816ATTWH-206-16-232-224-28-0908274111unknown———
└ 206.16.232.240/298ATTWH-206-16-232-240-29-0911185622unknown———
└ 206.16.233.8/298ATTENS-009401-003694unknown———
└ 206.16.233.96/2732ATTWH-206-16-233-96-27-1001213453unknown———
└ 206.16.233.208/2816ATTENS-009840-003920unknown———
└ 206.16.234.0/23512ATTENS-007253-004034unknown———
└ 206.16.236.128/298ATT-206-16-236-128-29unknown———
└ 206.16.236.144/298ATTENS-008727-004881unknown———
└ 206.16.236.152/298ATTENS-008139-005162unknown———
└ 206.16.237.152/298ATTENS-008322-003990unknown———
└ 206.16.237.160/2732ATTENS-008322-003977unknown———
└ 206.16.237.192/2732ATTENS-008322-003991unknown———
└ 206.16.237.224/2816ATTWH-206-16-237-224-28-1408211736unknown———
└ 206.16.238.0/298FOUNDEVE51-238-0unknown———
└ 206.16.238.128/25128ATTWH-206-16-238-128-25-1006023424unknown———
└ 206.16.240.0/24256ATTWH-206-16-240-0-24-0812102455Littler Mendelson SID-21931 (C02109933) · USReassignedDec 10, 2008abuse@att.net
via CERFNET-BLK-206
└ 206.16.241.0/24256ATTWH-206-16-241-0-24-1009150130NIC USA Inc. (C02587103) · USReassignedSep 15, 2010abuse@att.net
via CERFNET-BLK-206
└ 206.16.242.0/24256ATTWH-206-16-242-0-24-0901235750unknown———
└ 206.16.244.0/24256ATTWH-206-16-244-0-24-1006034402SID-18051 CI -Administrative Office of the United States Courts (C02513588) · USReassignedJun 3, 2010abuse@att.net
via CERFNET-BLK-206
└ 206.16.245.128/25128ATTWH-206-16-245-128-25-2304040209unknown———
└ 206.16.246.0/2816ATTENS-008250-005032unknown———
└ 206.16.246.64/2732ATTENS-009916-005234unknown———
└ 206.16.247.16/2816ATTENS-009359-005709unknown———
└ 206.16.247.48/298ATT-206-16-247-48-29unknown———
└ 206.16.247.96/2732ATTENS-009916-005155unknown———
└ 206.16.247.128/25128ATTENS-010319-005098unknown———
└ 206.16.251.104/298ATTWH-206-16-251-104-29-1011044928unknown———
└ 206.16.253.0/25128ATTWH-206-16-253-0-25-1502043306unknown———
└ 206.16.253.232/304ATT-206-16-253-232-30unknown———
└ 206.16.253.236/304ATT-206-16-253-236-30unknown———
└ 206.16.253.240/2816ATT-206-16-253-240-28unknown———
└ 206.16.254.0/2664ATTWH-206-16-254-0-26-1505134937unknown———
└ 206.16.254.64/2664ATT-206-16-254-64-26unknown———
└ 206.17.2.0/24256ATTENS-007085-005217unknown———
└ 206.17.5.0/24256CERF-ICCunknown———
└ 206.17.9.0/24256CERF-MPCunknown———
└ 206.17.11.0/24256CERF-MMBunknown———
└ 206.17.13.0/24256CERF-SAMSUNGunknown———
└ 206.17.14.0/24256CERF-MSMunknown———
└ 206.17.16.0/24256ATTWH-206-17-16-0-24-1303180033unknown———
└ 206.17.17.0/2732ATTWH-206-17-17-0-27-1303180449unknown———
└ 206.17.17.32/2732ATTWH-206-17-17-32-27-1303180529unknown———
← Previous1–200 of 602 · page 1 of 4Next →

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

262,144 addresses
TypeAddressesShareRanges
Residential253,92097%57
Business6,9442.6%106
Unknown5120.20%2
Hosting2560.10%1
Internet provider2560.10%1
Mobile2560.10%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS7018

US
Name
AT&T Enterprises, LLC
Type
Internet provider
Registered
Jul 30, 1996
Domain
att.com
Website
www.att.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed