Data as of Nov 3, 2026
74.1.72.0/23
Anonymizer · ISP proxyRCN · space held by GTT Americas, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Aug 2026
its first announcement on record
IPv4 market
Path
Announced by AS6079 since Aug 2026 · 12 wk ago
1 · Holder
record created Dec 20, 2005 · reallocated to Internet Utilities NA LLC Oct 10, 2025
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 74.1.72.0/23 | /24s |
|---|---|---|
| IPXO | 512100% | 2 |
Leased from
Owners leasing their own space
| Name | In 74.1.72.0/23 | /24s |
|---|---|---|
| GTT Americas, LLC | 512100% | 2 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
74.1.72.0/23
From the registry to its use
- Dec 20, 2005Registry recordGTT Americas, LLCDirect Allocation74.0.0.0 - 74.3.127.255
- Jan 8, 2006– May 15, 2022
- Apr 29, 2023– today
- Oct 10, 2025ReallocatedInternet Utilities NA LLCReallocated74.1.0.0/16
- Jul 31, 2026
- Aug 11, 2026– today
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 74.0.0.0/15 since Apr 2023 | AS3257 | Internet provider | IP broker IPXO (part) | 159 54 always on | GTT Americas, LLC |
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 |
|---|---|---|---|---|---|---|
| 74.0.0.0 - 74.3.127.255 | 229,376 | MEGAPATH-BLK-64-65-66 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Dec 20, 2005 | [email protected] |
| └ 74.1.0.0/16 | 65,536 | IPXO-LLC | IPXO LLC (IL-845) · US | Reallocated | Oct 6, 2025 | [email protected] |
| └ 74.1.0.0/16 | 65,536 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Oct 10, 2025 | [email protected] |
| └ 74.1.72.0/24 | 256 | NET-74-1-72-0-24 | IPNetZone (IPNET-1) · US | Reallocated | Mar 25, 2026 | [email protected] |
| └ 74.1.72.0/24 | 256 | RCN-GTT | RCN (RTSL-6) · US | Reallocated | Sep 3, 2026 | [email protected] |
| └ 74.1.73.0/24 | 256 | NET-74-1-73-0-24 | IPNetZone (IPNET-1) · US | Reallocated | Mar 25, 2026 | [email protected] |
| └ 74.1.73.0/24 | 256 | RCN-GTT | RCN (RTSL-6) · US | Reallocated | Sep 3, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 74.0.0.0 - 74.3.127.255
- Registration type
- Direct Allocation
- Record created
- Dec 20, 2005
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 74.1.0.0/16
- Reallocated
- Oct 10, 2025
Origin network
AS6079
US
- Name
- RCN
- Type
- Internet provider
- Registered
- Apr 4, 2001
- Domain
- astound.com
- Website
- www.astound.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 74.1.0.0/16
- 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-74-1-0-0-2
- Parent
- NET-74-1-0-0-1
- Created
- Oct 10, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 20, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN