Data as of Nov 9, 2026
173.211.107.0/24
Anonymizer · Datacenter proxySimoresta UAB · space held by Colocation America Corporation
Announcement
this exact prefix
RPKI valid
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
IPv4 market
Path
1 · Holder
record created Oct 5, 2009 · reallocated to Internet Utilities NA LLC Jan 7, 2025
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 173.211.107.0/24 | /24s |
|---|---|---|---|
| IPRoyal | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 173.211.107.0/24 | /24s |
|---|---|---|
| Colocation America Corporation | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
173.211.107.0/24
From the registry to its use
- Oct 5, 2009Registry recordColocation America CorporationDirect Allocation173.211.0.0/17
- May 15, 2010– Apr 15, 2011
- Aug 1, 2011– Nov 8, 2026
- Sep 27, 2017– Nov 1, 2017
- Mar 6, 2024– Mar 17, 2024
- Mar 6, 2024– Nov 8, 2026
- Jan 7, 2025ReallocatedInternet Utilities NA LLCReallocated173.211.107.0/24
- Jan 7, 2025Route objectIPXOARIN route object for AS211373 Simoresta UAB, maintainer MNT-DCL-577
- todayRoute objectIPXORADB route object for AS211373 Simoresta UAB, maintainer MAINT-AS834
- todayLeased fromIPXOIP broker
- todayUsedIPRoyalProxy seller
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Operator | Leased from | Holder | RPKI |
|---|---|---|---|---|---|---|---|
| 173.211.0.0/17 since Aug 2011 | AS21769 | Hosting | 7,16822%Datacenter proxy | Proxy providersoperated by Oxylabs | IP broker IPXO (part) | Colocation America Corporation |
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 |
|---|---|---|---|---|---|---|
| 173.211.0.0/17 | 32,768 | CAC-BLOCK7 | Colocation America Corporation (CAC-89) · US | Direct Allocation | Oct 5, 2009 | Abuse@ |
| └ 173.211.107.0/24 | 256 | IPXO | IPXO LLC (IL-845) · US | Reallocated | Mar 5, 2024 | abuse@ |
| └ 173.211.107.0/24 | 256 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jan 7, 2025 | report@ |
| └ 173.211.107.0/24 | 256 | NET-173-211-107-0-24 | unknown | Reassigned | Jan 7, 2025 | report@ via IPXO |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Colocation America Corporation
- Handle
- CAC-89
- Range
- 173.
211. 0. 0/ 17 - Registration type
- Direct Allocation
- Record created
- Oct 5, 2009
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 173.
211. 107. 0/ 24 - Reallocated
- Jan 7, 2025
Origin network
AS211373
LT
- Name
- Simoresta UAB
- Type
- Hosting
- Registered
- May 4, 2021
- Domain
- simoresta.lt
- Website
- simoresta.lt
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Sep 2017
- Current origin since
- Mar 2024 · 2.7 yr
- Origin networks
- 3
- Last change of origin
- Mar 2024
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 173.
211. 107. 0/ 24 - Netname
- NET-173-211-107-0-24
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reassigned
- Handle
- NET-173-211-107-0-3
- Parent
- NET-173-211-107-0-2
- Created
- Jan 7, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 5, 2009
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN