Data as of Nov 9, 2026
173.249.221.0/24
1 residential-proxy exit · 30 daystzulo, inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Jul 2026
its first announcement on record
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
1 observation
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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 173.249.192.0/18 | 16,384 | TZULO | tzulo, inc. (TZULO) · US | Direct Allocation | Jun 15, 2010 | abuse@ |
| └ 173.249.221.0/24 | 256 | TZULO | tzulo, inc. (TZULO) · US | Reallocated | Jul 22, 2026 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- tzulo, inc.
- Handle
- TZULO
- Range
- 173.
249. 192. 0/ 18 - Registration type
- Direct Allocation
- Record created
- Jun 15, 2010
Origin network
AS11878
US
- Name
- tzulo, inc.
- Type
- Hosting
- Registered
- Apr 2, 2007
- Domain
- tzulo.com
- Website
- www.tzulo.com
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 388
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2026
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 173.249.192.0/18 | AS11878 | /32 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 173.
249. 221. 0/ 24 - Netname
- TZULO
- Registrant
- tzulo, inc.
- Organization
- tzulo, inc. (TZULO)
- Org address
- 427 South LaSalle Street, Chicago, IL, 60605
- Org country
- US
- Type
- Reallocated
- Handle
- NET-173-249-221-0-1
- Parent
- NET-173-249-192-0-1
- Created
- Jul 22, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 15, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
tzulo. com - Name
- Abuse tzulo
- Phone
- +1-847-847-2048
- Handle
- ABUSE1633-ARIN