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Data as of Nov 4, 2026

72.18.16.0/20

No anonymizer space · no proxy exits in 30 days

Tierzero

Announcement
72.18.0.0/19
No RPKI
Announced by
AS11509
Type
Business
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
72.18.0.0/198,192TIERZERO-700LATierzero (TIERZ) · USDirect AllocationNov 18, 2004[email protected]
└ 72.18.16.0/304TIERZERO-GLOBAL-1285unknown———
└ 72.18.16.4/304TIERZERO-GLOBAL-1508unknown———
└ 72.18.16.8/298TIERZERO-GLOBAL-1306unknown———
└ 72.18.16.16/2816TIERZERO-GLOBAL-1305unknown———
└ 72.18.16.32/2732TIERZERO-GLOBAL-1304unknown———
└ 72.18.16.64/2816TIERZERO-GLOBAL-1303unknown———
└ 72.18.16.80/2816TIERZERO-GLOBAL-1314unknown———
└ 72.18.16.96/2732TIERZERO-1209143392unknown———
└ 72.18.16.128/2732TIERZERO-1209143424unknown———
└ 72.18.16.160/298TIERZERO-GLOBAL-1316unknown———
└ 72.18.16.168/298TIERZERO-GLOBAL-1318unknown———
└ 72.18.16.176/2816TIERZERO-GLOBAL-1317unknown———
└ 72.18.16.192/2664TIERZERO-1209143488unknown———
└ 72.18.17.0/24256TIERZERO-1209143552unknown———
└ 72.18.18.0/2816TIERZERO-GLOBAL-1288unknown———
└ 72.18.18.16/2816TIERZERO-GLOBAL-1442unknown———
└ 72.18.18.32/2732TIERZERO-1209143840unknown———
└ 72.18.18.64/2664TIERZERO-1209143872unknown———
└ 72.18.18.128/25128TIERZERO-GLOBAL-1325unknown———
└ 72.18.19.0/24256TIERZERO-1209144064unknown———
└ 72.18.20.0/24256TIERZERO-1209144320unknown———
└ 72.18.21.0/24256TIERZERO-1209144576unknown———
└ 72.18.22.0/24256TIERZERO-1209144832unknown———
└ 72.18.23.0/24256TIERZERO-1209145088unknown———
└ 72.18.24.0/2816TIERZERO-GLOBAL-1286unknown———
└ 72.18.24.16/2816TIERZERO-GLOBAL-1310unknown———
└ 72.18.24.32/2732TIERZERO-GLOBAL-1309unknown———
└ 72.18.24.64/2816TIERZERO-GLOBAL-1308unknown———
└ 72.18.24.80/2816TIERZERO-GLOBAL-1320unknown———
└ 72.18.24.96/2732TIERZERO-GLOBAL-1319unknown———
└ 72.18.24.128/2664TIERZERO-1209145472unknown———
└ 72.18.24.192/2732TIERZERO-GLOBAL-1321unknown———
└ 72.18.24.232/298TIERZERO-GLOBAL-1324unknown———
└ 72.18.24.240/2816TIERZERO-GLOBAL-1323unknown———
└ 72.18.25.0/24256TIERZERO-GLOBAL-1295unknown———
└ 72.18.26.0/24256TIERZERO-1209145856unknown———
└ 72.18.27.0/24256TIERZERO-GLOBAL-1298unknown———
└ 72.18.28.0/24256TIERZERO-1209146368unknown———
└ 72.18.29.0/24256TIERZERO-GLOBAL-1297unknown———
└ 72.18.30.0/23512TIERZERO-1209146880unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 72.18.0.0/19

Prefix
72.18.0.0/19
Announced by
AS11509 Tierzero
Type
Business
RPKI
No RPKI
Netname
TIERZERO-700LA
Registrant
Tierzero
RIR
ARIN
Origin network

AS11509

US
Name
Tierzero
Type
Internet provider
Registered
Sep 15, 1998
Domain
tierzero.com
Website
www.tierzero.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed