Data as of Nov 12, 2026
173.211.80.0/22
512 anonymizer addresses · 50% · ISP proxyCox Communications Inc. · space held by Colocation America Corporation
IPv4 market
Path
1 · Holder
record created Oct 5, 2009 · reallocated to Internet Utilities NA LLC Jan 7, 2025
4 · Use
Hosting
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 173.211.80.0/22 | /24s |
|---|---|---|
| IPXO | 51250% | 2 |
Leased from
Owners leasing their own space
| Name | In 173.211.80.0/22 | /24s |
|---|---|---|
| Colocation America Corporation | 51250% | 2 |
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 |
More specific
Announcements inside
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 173.211.80.0/24 since Jun 2022 | AS19437 | Hosting | IP broker IPXO | Colocation America Corporation via Internet Utilities NA LLC | |
| 173.211.81.0/24 since Oct 2023 | AS396356 | Hosting | IP broker IPXO | Colocation America Corporation via Internet Utilities NA LLC | |
| 173.211.82.0/23 since Sep 18, 2026 | AS33490 | ISP proxy | IP broker IPXO | Colocation America Corporation via Internet Utilities NA LLC |
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 |
|---|---|---|---|---|---|---|
| 173.211.0.0/17 | 32,768 | CAC-BLOCK7 | Colocation America Corporation (CAC-89) · US | Direct Allocation | Oct 5, 2009 | Abuse@ |
| └ 173.211.80.0/21 | 2,048 | IL-845 | IPXO LLC (IL-845) · US | Reallocated | Nov 24, 2021 | abuse@ |
| └ 173.211.80.0/21 | 2,048 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jan 7, 2025 | report@ |
| └ 173.211.81.0/24 | 256 | NET-173-211-81-0-24 | unknown | Reassigned | Jan 7, 2025 | report@ via IL-845 |
| └ 173.211.82.0/23 | 512 | NET-173-211-82-0-23 | unknown | Reassigned | Jan 7, 2025 | report@ via IL-845 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 512 | 50% | 2 | |
| ISP proxyanonymizer | 512 | 50% | 1 |
Network & registry
Announced by
Covering announcement 173.211.80.0/21
- Prefix
- 173.211.80.0/21
- Announced by
- AS22773 Cox Communications Inc.
- Type
- Unknown
- Anonymizer addresses
- none
- Leased from
- IP broker IPXO
- RPKI
- No RPKI
- Netname
- NETUTILS
- Registrant
- Internet Utilities NA LLC
- RIR
- ARIN
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. 80. 0/ 21 - Reallocated
- Jan 7, 2025
Origin network
AS22773
US
- Name
- Cox Communications Inc.
- Type
- Internet provider
- Registered
- Nov 20, 2001
- Domain
- cox.com
- Website
- www.cox.com/peering
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
173.211.80.0/21
Routing history
- Pattern
- Stable
- First seen
- Sep 2017
- Current origin since
- Jun 2022 · 4.4 yr
- Origin networks
- 4
- Last change of origin
- Sep 2021
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 173.
211. 80. 0/ 21 - Netname
- NETUTILS
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reallocated
- Handle
- NET-173-211-80-0-2
- Parent
- NET-173-211-80-0-1
- 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