Data as of Nov 3, 2026
72.18.0.0/20
No anonymizer space · no proxy exits in 30 daysTierzero
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 72.18.0.0/19 | 8,192 | TIERZERO-700LA | Tierzero (TIERZ) · US | Direct Allocation | Nov 18, 2004 | [email protected] |
| └ 72.18.0.0/27 | 32 | TIERZERO-1209139200 | unknown | — | — | — |
| └ 72.18.0.32/27 | 32 | TIERZERO-1209139232 | unknown | — | — | — |
| └ 72.18.0.64/26 | 64 | TIERZERO-1209139264 | unknown | — | — | — |
| └ 72.18.0.128/25 | 128 | TIERZERO-1209139328 | unknown | — | — | — |
| └ 72.18.1.0/28 | 16 | TIERZERO-GLOBAL-1200 | unknown | — | — | — |
| └ 72.18.1.16/29 | 8 | TIERZERO-1209139472 | unknown | — | — | — |
| └ 72.18.1.24/29 | 8 | TIERZERO-GLOBAL-1208 | unknown | — | — | — |
| └ 72.18.1.32/27 | 32 | TIERZERO-1209139488 | unknown | — | — | — |
| └ 72.18.1.64/28 | 16 | TIERZERO-GLOBAL-1205 | unknown | — | — | — |
| └ 72.18.1.80/28 | 16 | TIERZERO-1209139536 | unknown | — | — | — |
| └ 72.18.1.96/29 | 8 | TIERZERO-GLOBAL-1209 | unknown | — | — | — |
| └ 72.18.1.104/29 | 8 | TIERZERO-GLOBAL-1236 | unknown | — | — | — |
| └ 72.18.1.128/28 | 16 | TIERZERO-1209139584 | unknown | — | — | — |
| └ 72.18.1.144/28 | 16 | TIERZERO-GLOBAL-1213 | unknown | — | — | — |
| └ 72.18.1.192/27 | 32 | TIERZERO-GLOBAL-1211 | unknown | — | — | — |
| └ 72.18.1.224/28 | 16 | TIERZERO-1209139680 | unknown | — | — | — |
| └ 72.18.1.240/29 | 8 | TIERZERO-1209139696 | unknown | — | — | — |
| └ 72.18.1.248/29 | 8 | TIERZERO-1209139704 | unknown | — | — | — |
| └ 72.18.2.0/24 | 256 | TIERZERO-GLOBAL-1199 | unknown | — | — | — |
| └ 72.18.3.0/27 | 32 | TIERZERO-1209139968 | unknown | — | — | — |
| └ 72.18.3.32/27 | 32 | TIERZERO-1209140000 | unknown | — | — | — |
| └ 72.18.3.64/26 | 64 | TIERZERO-1209140032 | unknown | — | — | — |
| └ 72.18.3.128/27 | 32 | TIERZERO-1209140096 | unknown | — | — | — |
| └ 72.18.3.160/28 | 16 | TIERZERO-GLOBAL-1259 | unknown | — | — | — |
| └ 72.18.3.176/28 | 16 | TIERZERO-1209140144 | unknown | — | — | — |
| └ 72.18.3.192/26 | 64 | TIERZERO-1209140160 | unknown | — | — | — |
| └ 72.18.5.0/24 | 256 | TIERZERO-1209140480 | unknown | — | — | — |
| └ 72.18.6.0/24 | 256 | TIERZERO-1209140736 | unknown | — | — | — |
| └ 72.18.7.0/25 | 128 | TIERZERO-1209140992 | unknown | — | — | — |
| └ 72.18.7.128/27 | 32 | TIERZERO-1209141120 | unknown | — | — | — |
| └ 72.18.7.160/27 | 32 | TIERZERO-1209141152 | unknown | — | — | — |
| └ 72.18.7.192/26 | 64 | TIERZERO-1209141184 | unknown | — | — | — |
| └ 72.18.8.0/28 | 16 | TIERZERO-GLOBAL-1192 | unknown | — | — | — |
| └ 72.18.8.32/27 | 32 | TIERZERO-1209141280 | unknown | — | — | — |
| └ 72.18.8.64/27 | 32 | TIERZERO-1209141312 | unknown | — | — | — |
| └ 72.18.8.96/27 | 32 | TIERZERO-1209141344 | unknown | — | — | — |
| └ 72.18.8.128/28 | 16 | TIERZERO-1209141376 | unknown | — | — | — |
| └ 72.18.8.144/28 | 16 | TIERZERO-GLOBAL-1273 | unknown | — | — | — |
| └ 72.18.8.160/27 | 32 | TIERZERO-1209141408 | unknown | — | — | — |
| └ 72.18.8.224/28 | 16 | TIERZERO-1209141472 | unknown | — | — | — |
| └ 72.18.8.240/28 | 16 | TIERZERO-GLOBAL-1282 | unknown | — | — | — |
| └ 72.18.9.0/24 | 256 | TIERZERO-CUSTOMER-000000 | unknown | — | — | — |
| └ 72.18.10.0/25 | 128 | TIERZERO-GLOBAL-1196 | unknown | — | — | — |
| └ 72.18.10.128/25 | 128 | TIERZERO-1209141888 | unknown | — | — | — |
| └ 72.18.11.0/24 | 256 | TIERZERO-GLOBAL-1214 | unknown | — | — | — |
| └ 72.18.12.0/24 | 256 | TIERZERO-1209142272 | unknown | — | — | — |
| └ 72.18.13.0/24 | 256 | TIERZERO-1209142528 | unknown | — | — | — |
| └ 72.18.14.0/26 | 64 | TIERZERO-1209142784 | unknown | — | — | — |
| └ 72.18.14.64/28 | 16 | TIERZERO-GLOBAL-1275 | unknown | — | — | — |
| └ 72.18.14.80/28 | 16 | TIERZERO-1209142864 | unknown | — | — | — |
| └ 72.18.14.96/27 | 32 | TIERZERO-1209142880 | unknown | — | — | — |
| └ 72.18.14.128/29 | 8 | TIERZERO-GLOBAL-1274 | unknown | — | — | — |
| └ 72.18.14.136/29 | 8 | TIERZERO-GLOBAL-1362 | unknown | — | — | — |
| └ 72.18.14.144/28 | 16 | TIERZERO-GLOBAL-1361 | unknown | — | — | — |
| └ 72.18.14.160/28 | 16 | TIERZERO-GLOBAL-1360 | unknown | — | — | — |
| └ 72.18.14.176/28 | 16 | TIERZERO-GLOBAL-1363 | unknown | — | — | — |
| └ 72.18.14.192/27 | 32 | TIERZERO-1209142976 | unknown | — | — | — |
| └ 72.18.14.224/27 | 32 | TIERZERO-GLOBAL-1284 | unknown | — | — | — |
| └ 72.18.15.0/24 | 256 | TIERZERO-GLOBAL-1195 | unknown | — | — | — |
Network & registry
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
Routing timeline
Who has announced 72.18.0.0/19
72.18.0.0/19
Routing history
- Pattern
- Stable
- First seen
- Oct 2007
- Current origin since
- Oct 2007 · 19 yr
- Origin networks
- 1
IRR
Route objects on 72.18.0.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11509 | RADB | Tierzero | MAINT-AS11509 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 72.18.0.0/19
- Netname
- TIERZERO-700LA
- Registrant
- Tierzero
- Organization
- Tierzero (TIERZ)
- Org address
- 77 N Mentor Ave, Pasadena, CA, 91106
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-72-18-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Nov 18, 2004
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 18, 2004
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse Department
- Phone
- +1-213-784-1400
- Handle
- ABUSE3154-ARIN