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Data as of Nov 3, 2026

72.18.0.0/19

No anonymizer space · no proxy exits in 30 days

Tierzero

Announcement
this exact prefix
No RPKI
Announced by
AS11509
Type
Business
Risk
0 / 100 · Low

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
72.18.0.0/198,192TIERZERO-700LATierzero (TIERZ) · USDirect AllocationNov 18, 2004[email protected]
└ 72.18.0.0/2732TIERZERO-1209139200unknown———
└ 72.18.0.32/2732TIERZERO-1209139232unknown———
└ 72.18.0.64/2664TIERZERO-1209139264unknown———
└ 72.18.0.128/25128TIERZERO-1209139328unknown———
└ 72.18.1.0/2816TIERZERO-GLOBAL-1200unknown———
└ 72.18.1.16/298TIERZERO-1209139472unknown———
└ 72.18.1.24/298TIERZERO-GLOBAL-1208unknown———
└ 72.18.1.32/2732TIERZERO-1209139488unknown———
└ 72.18.1.64/2816TIERZERO-GLOBAL-1205unknown———
└ 72.18.1.80/2816TIERZERO-1209139536unknown———
└ 72.18.1.96/298TIERZERO-GLOBAL-1209unknown———
└ 72.18.1.104/298TIERZERO-GLOBAL-1236unknown———
└ 72.18.1.128/2816TIERZERO-1209139584unknown———
└ 72.18.1.144/2816TIERZERO-GLOBAL-1213unknown———
└ 72.18.1.192/2732TIERZERO-GLOBAL-1211unknown———
└ 72.18.1.224/2816TIERZERO-1209139680unknown———
└ 72.18.1.240/298TIERZERO-1209139696unknown———
└ 72.18.1.248/298TIERZERO-1209139704unknown———
└ 72.18.2.0/24256TIERZERO-GLOBAL-1199unknown———
└ 72.18.3.0/2732TIERZERO-1209139968unknown———
└ 72.18.3.32/2732TIERZERO-1209140000unknown———
└ 72.18.3.64/2664TIERZERO-1209140032unknown———
└ 72.18.3.128/2732TIERZERO-1209140096unknown———
└ 72.18.3.160/2816TIERZERO-GLOBAL-1259unknown———
└ 72.18.3.176/2816TIERZERO-1209140144unknown———
└ 72.18.3.192/2664TIERZERO-1209140160unknown———
└ 72.18.5.0/24256TIERZERO-1209140480unknown———
└ 72.18.6.0/24256TIERZERO-1209140736unknown———
└ 72.18.7.0/25128TIERZERO-1209140992unknown———
└ 72.18.7.128/2732TIERZERO-1209141120unknown———
└ 72.18.7.160/2732TIERZERO-1209141152unknown———
└ 72.18.7.192/2664TIERZERO-1209141184unknown———
└ 72.18.8.0/2816TIERZERO-GLOBAL-1192unknown———
└ 72.18.8.32/2732TIERZERO-1209141280unknown———
└ 72.18.8.64/2732TIERZERO-1209141312unknown———
└ 72.18.8.96/2732TIERZERO-1209141344unknown———
└ 72.18.8.128/2816TIERZERO-1209141376unknown———
└ 72.18.8.144/2816TIERZERO-GLOBAL-1273unknown———
└ 72.18.8.160/2732TIERZERO-1209141408unknown———
└ 72.18.8.224/2816TIERZERO-1209141472unknown———
└ 72.18.8.240/2816TIERZERO-GLOBAL-1282unknown———
└ 72.18.9.0/24256TIERZERO-CUSTOMER-000000unknown———
└ 72.18.10.0/25128TIERZERO-GLOBAL-1196unknown———
└ 72.18.10.128/25128TIERZERO-1209141888unknown———
└ 72.18.11.0/24256TIERZERO-GLOBAL-1214unknown———
└ 72.18.12.0/24256TIERZERO-1209142272unknown———
└ 72.18.13.0/24256TIERZERO-1209142528unknown———
└ 72.18.14.0/2664TIERZERO-1209142784unknown———
└ 72.18.14.64/2816TIERZERO-GLOBAL-1275unknown———
└ 72.18.14.80/2816TIERZERO-1209142864unknown———
└ 72.18.14.96/2732TIERZERO-1209142880unknown———
└ 72.18.14.128/298TIERZERO-GLOBAL-1274unknown———
└ 72.18.14.136/298TIERZERO-GLOBAL-1362unknown———
└ 72.18.14.144/2816TIERZERO-GLOBAL-1361unknown———
└ 72.18.14.160/2816TIERZERO-GLOBAL-1360unknown———
└ 72.18.14.176/2816TIERZERO-GLOBAL-1363unknown———
└ 72.18.14.192/2732TIERZERO-1209142976unknown———
└ 72.18.14.224/2732TIERZERO-GLOBAL-1284unknown———
└ 72.18.15.0/24256TIERZERO-GLOBAL-1195unknown———
└ 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
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