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Data as of Nov 7, 2026

199.105.0.0/16

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS7018
Type
Residential
91% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
199.105.84.0/22
since May 2005
AS10844HostingAT&T Enterprises, LLC
via VastNet
199.105.87.0/24
since Mar 2015
AS10844HostingAT&T Enterprises, LLC
via VastNet
199.105.105.0/24
since May 2005
AS25777BusinessAT&T Enterprises, LLC
199.105.120.0/21
since Nov 2012
AS10868ResidentialAT&T Enterprises, LLC
via DownCity LLC
199.105.176.0/21
since Mar 2025
AS10361BusinessAT&T Enterprises, LLC
199.105.184.0/23
since Mar 2025
AS10361BusinessAT&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
199.105.0.0 - 199.108.255.255262,144NETBLK-CERFNET-CBLK2AT&T Enterprises, LLC (AEL-360) · USDirect AllocationJan 10, 1994abuse@att.net
└ 199.105.64.0/23512CERF-DLJunknown———
└ 199.105.70.0/24256CERF-BHPHOTO-Aunknown———
└ 199.105.72.0/24256CERF-PRAECIS-Aunknown———
└ 199.105.75.72/298CERF-FOOTLOCKER8747-Aunknown———
└ 199.105.75.128/2816CERF-GREENBERGTAURIGunknown———
└ 199.105.75.240/2816CERF-CHANELunknown———
└ 199.105.79.64/2816CERF-DLF-Aunknown———
└ 199.105.79.80/2816CERF-KRAEMER-Aunknown———
└ 199.105.80.0 - 199.105.82.255768CERF-SYSTECunknown———
└ 199.105.83.0/24256CERF-WTOYOTA-Aunknown———
└ 199.105.84.0/221,024VASTNET-2VastNet (VAST) · USReallocatedOct 26, 1998ferrari@vastnetstaff.net
└ 199.105.88.0/24256CERF-LUCENT-Aunknown———
└ 199.105.90.0/24256CERF-ARTNET-Aunknown———
└ 199.105.91.0/24256CERF-AMFAR-Aunknown———
└ 199.105.92.0/24256CERF-TECOGEN-Aunknown———
└ 199.105.94.0/24256CERF-TCGADV-Aunknown———
└ 199.105.96.0/23512CERF-NUMBER9-Aunknown———
└ 199.105.98.0/23512RVSI-105-98unknown———
└ 199.105.100.0/24256RVSI-105-100unknown———
└ 199.105.101.0/24256CERF-BASH-Aunknown———
└ 199.105.105.0/24256CERF-SUBARU-ASubaru of New England, Inc. (SNE-2) · USReassignedOct 12, 1998—
└ 199.105.107.0/24256CERF-XYLAN-Aunknown———
└ 199.105.108.0/24256CERF-LECAMERA-Aunknown———
└ 199.105.109.0/24256CERF-WIH-Aunknown———
└ 199.105.120.0/212,048CERF-DOWNCITY-ADownCity LLC (DCTY) · USReallocatedOct 12, 1998—
└ 199.105.136.0/24256CERF-FOUNTAIN-Aunknown———
└ 199.105.138.0/24256CERF-EXTRAPRISE-Aunknown———
└ 199.105.139.0/24256CERF-THECHIMESunknown———
└ 199.105.140.0/24256CERF-VITALEunknown———
└ 199.105.141.0 - 199.105.143.255768CERF-CHOATEunknown———
└ 199.105.148.0/23512CERF-SYSTEC-Aunknown———
└ 199.105.150.0/23512CERF-SYSTEC-Bunknown———
└ 199.105.153.64/2664CERF-KURZWEILunknown———
└ 199.105.153.128/2732CERF-ARTCRAFTunknown———
└ 199.105.155.0/24256CERF-INFORAYunknown———
└ 199.105.158.0/25128CERF-GALE-BOSTONunknown———
└ 199.105.162.0/24256CERF-USCLEARINGunknown———
└ 199.105.163.0/24256ROBERT-BENTLEY-CERF-Aunknown———
└ 199.105.164.0/24256SENSIS5-164-0unknown———
└ 199.105.165.224/2732CERF-RACKEMANN-Aunknown———
└ 199.105.173.0/2664CERF-ATTPUBMARKETSunknown———
└ 199.105.173.64/2664CERF-NJ-CAR-Bunknown———
└ 199.105.173.128/2816CERF-NJ-CAR-Aunknown———
└ 199.105.173.144/2816CERF-SIMON-Bunknown———
└ 199.105.173.160/2732CERF-SOLARCOMMGRPunknown———
└ 199.105.173.208/2816CERF-MERRILL-Cunknown———
└ 199.105.173.224/2732CERF-AIMNYunknown———
└ 199.105.175.0/24256CERF-NCR-Aunknown———
└ 199.105.176.0/212,048ATT-NET-199-105-176-0Bloomberg, LP (BLOOMB) · USReassignedJan 31, 2025internic-technical@bloomberg.com
└ 199.105.184.0/23512ATT-NET-199-105-184-0Bloomberg, LP (BLOOMB) · USReassignedJan 31, 2025internic-technical@bloomberg.com
└ 199.105.187.0/24256CERF-DYNAMOBILEunknown———
└ 199.105.188.0/23512CERF-LIFESIMPLE-Aunknown———
└ 199.105.190.0/24256CERF-LIFESIMPLE-Bunknown———
└ 199.105.192.0/23512CRF-GKN-AUTOMOTIVEunknown———
└ 199.105.194.0/2816CERF-CHELEXA-Aunknown———
└ 199.105.194.16/2816CERF-OXBOW-Aunknown———
└ 199.105.194.32/2732CERF-FIAMMTECH-Aunknown———
└ 199.105.194.64/2664CERF-PULLMANunknown———
└ 199.105.194.128/2664CERF-SPARTAN-Aunknown———
└ 199.105.195.0/25128CERF-FXCOUGHLIN-Aunknown———
└ 199.105.195.128 - 199.105.195.14417CERF-LACKS-Aunknown———
└ 199.105.195.160/2816CERF-SYSTRAND-Aunknown———
└ 199.105.195.176/2816CERF-GRUPOANTOLINunknown———
└ 199.105.195.192/2732CERF-NOBLEMETAL-Aunknown———
└ 199.105.195.240/2816CERF-STABILUS-Aunknown———
└ 199.105.196.0/24256CERF-YOUNGRUBICAM-Aunknown———
└ 199.105.197.0/24256ATTENS-008420-002009unknown———
└ 199.105.199.0/24256CERF-ALCOA-Aunknown———
└ 199.105.200.0/24256CERF-SYNTEL-Aunknown———
└ 199.105.201.0/24256CERF-EXCELLO-Aunknown———
└ 199.105.202.144/2816CERF-FISCHERAUTO-Aunknown———
└ 199.105.202.160/2732CERF-TWEDDLE-Aunknown———
└ 199.105.202.192/2664CERF-AAS-ANXunknown———
└ 199.105.203.0/24256CERF-COLLINS-Aunknown———
└ 199.105.205.0/2664CERF-SOLIGEN-Aunknown———
└ 199.105.205.64/2816CERF-TENNEXINDUSTRIESunknown———
└ 199.105.205.80/2816ATTENS-008432-001192unknown———
└ 199.105.205.96/2732ATTENS-004594-002076unknown———
└ 199.105.205.128/2816ATTENS-008343-000895unknown———
└ 199.105.205.144/298ATTENS-006650-003752unknown———
└ 199.105.205.160/2732CERF-FLEX-N-GATEunknown———
└ 199.105.205.192/2664CERF-LYDALL-Aunknown———
└ 199.105.206.0/2816CERFNET-FLEXFABunknown———
└ 199.105.206.16/2816CERF-RASSINI-Aunknown———
└ 199.105.206.32/2732CERF-ITWCIP-Aunknown———
└ 199.105.206.128/2732ATTENS-008282-001055unknown———
└ 199.105.206.160/2816CERF-HISTAT-Aunknown———
└ 199.105.206.176/2816CERF-DELCOREMY-Aunknown———
└ 199.105.206.192/2732CERF-HAYESLEMMERZunknown———
└ 199.105.206.224/2732CERF-TROYDESIGN-Aunknown———
└ 199.105.210.0/24256CERFunknown———
└ 199.105.211.0/24256CERF-REDSTONE-Bunknown———
└ 199.105.213.0/24256CERF-SOLAR2unknown———
└ 199.105.215.0/24256CERF-THEGLOBE-Cunknown———
└ 199.105.216.0/24256CERF-ARQULE-Aunknown———
└ 199.105.218.0/24256CERF-MEDIQUAL-Aunknown———
└ 199.105.219.0/24256CERF-YOUNETWORK-Aunknown———
└ 199.105.220.0/23512CERF-DUGAN-Aunknown———
└ 199.105.222.0/24256CERF-POWERUSERTECHunknown———
└ 199.105.223.0/24256CERF-REDSTONE-Aunknown———
└ 199.105.240.0/24256CERF-HPS-240unknown———
└ 199.105.242.128/2816CERF-BOSTONIVF-Eunknown———
└ 199.105.242.192/2664CERF-QCSOLUTIONSunknown———
└ 199.105.243.0/24256CERF-QUADRIS-Bunknown———
└ 199.105.248.16/2816CERF-BAYERISCHEunknown———
└ 199.105.248.32/2816CERF-ORRICK-NYunknown———
└ 199.105.248.48/2816CERF-NCMCunknown———
└ 199.105.248.128/2732CERF-CISunknown———
└ 199.105.248.192/2732CERF-TELETOWERunknown———
└ 199.105.249.0/2732CERF-AGENCY-Aunknown———
└ 199.105.249.128/2664NECCRANFORDunknown———
└ 199.105.252.80/2816CERF-COVENTRY-Aunknown———
└ 199.105.252.128/2732CERF-ROTATOR-Aunknown———
└ 199.105.252.176/2816CERF-KELLYBROADCASTunknown———
└ 199.105.252.224/2732CERF-ADVCOMM-Bunknown———
└ 199.105.255.0/24256CERF-ML-Cunknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Residential59,62391%35
Business4,6337.1%57
Hosting1,0241.6%2
Mobile2560.39%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