Data as of Nov 13, 2026
173.211.87.0/24
No anonymizer space · no proxy exits in 30 daysCox 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
2 · Leased from
4 · Use
Unknown
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 173.211.0.0/17 since Aug 2011 | AS21769 | Hosting | IP broker IPXO (part) | Colocation America Corporation |
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@ |
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
- 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