Data as of Nov 10, 2026
216.173.131.72/29
No anonymizer space · no proxy exits in 30 daysCruzio
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Jun 2026
from AS11994 Cruzio, after 8.5 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.173.128.0/20 since Jul 2024 | AS11994 | Residential | 15 | Cruzio |
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 |
|---|---|---|---|---|---|---|
| 216.173.128.0/20 | 4,096 | CRUZIO-SC1 | Cruzio (CZIO) · US | Direct Allocation | Mar 5, 2008 | arin@ |
| └ 216.173.131.72/29 | 8 | ZEROMOTO-BLOCK1 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 216.173.128.0/21
- Prefix
- 216.173.128.0/21
- Announced by
- AS11994 Cruzio
- Type
- Residential
- Proxy exits
- 3
- RPKI
- RPKI valid
- Netname
- CRUZIO-SC1
- Registrant
- Cruzio
- RIR
- ARIN
Origin network
AS11994
US
- Name
- Cruzio
- Type
- Internet provider
- Registered
- Sep 18, 2006
- Domain
- gatespeed.com
- Website
- www.gatespeed.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
216.173.128.0/21
Routing history
- Pattern
- Stable
- First seen
- Apr 2015
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 216.173.128.0/20 | AS11994 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 216.
173. 128. 0/ 20 - Netname
- CRUZIO-SC1
- Registrant
- Cruzio
- Organization
- Cruzio (CZIO)
- Org address
- 877 Cedar St., Santa Cruz, CA, 95060
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-216-173-128-0-1
- Parent
- NET-216-0-0-0-0
- Created
- Mar 5, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 5, 2008
- Status
- assigned
Report abuse
Abuse contact
- arin@
cruzio. com - Name
- Arin Administrator
- Phone
- +1-831-459-6301
- Handle
- ARINA300-ARIN