Data as of Nov 3, 2026
72.244.55.0/24
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 Jun 2026
its first announcement on record
IPv4 market
Path
Announced by AS6079 since Jun 2026 · 4 mo ago
1 · Holder
record created Mar 22, 2005 · reallocated to Internet Utilities NA LLC Jul 30, 2025
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 72.244.55.0/24 | /24s |
|---|---|---|---|
| Rayobyte | 256100% | 1 |
Leased from
IP brokers
| Name | In 72.244.55.0/24 | /24s |
|---|---|---|
| IPXO | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 72.244.55.0/24 | /24s |
|---|---|---|
| GTT Americas, LLC | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
72.244.55.0/24
From the registry to its use
- Mar 22, 2005Registry recordGTT Americas, LLCDirect Allocation72.244.0.0/15
- Sep 22, 2005– May 15, 2022
- Apr 29, 2023– Nov 2, 2026
- Jul 30, 2025ReallocatedInternet Utilities NA LLCReallocated72.244.0.0/16
- Jun 24, 2026– Nov 2, 2026
- Jul 1, 2026Route objectIPXORADB route object for AS6079 RCN, maintainer MAINT-AS834
- Jul 1, 2026Route objectIPXOARIN route object for AS6079 RCN, maintainer MNT-DCL-577
- Jul 1, 2026Route objectIPXORADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS834
- Jul 1, 2026Route objectIPXOARIN route object for AS7029 Windstream Communications LLC, maintainer MNT-DCL-577
- Jul 1, 2026Route objectIPXORADB route object for AS64267 Sprious LLC, maintainer MAINT-AS834
- Jul 1, 2026Route objectIPXOARIN route object for AS64267 Sprious LLC, maintainer MNT-DCL-577
- todayLeased fromIPXOIP broker
- todayUsedRayobyteProxy seller
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 72.244.0.0/15 since Apr 2023 | AS3257 | Internet provider | IP broker IPXO (part) | 428 76 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 |
|---|---|---|---|---|---|---|
| 72.244.0.0/15 | 131,072 | MEGAPATH-BLK-63 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Mar 22, 2005 | [email protected] |
| └ 72.244.0.0/16 | 65,536 | IPXO-GTT | IPXO LLC (IL-845) · US | Reallocated | Jul 18, 2025 | [email protected] |
| └ 72.244.0.0/16 | 65,536 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jul 30, 2025 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 72.244.0.0/15
- Registration type
- Direct Allocation
- Record created
- Mar 22, 2005
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 72.244.0.0/16
- Reallocated
- Jul 30, 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
- Jun 2026
- Current origin since
- Jun 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.244.55.0/24 | AS6079 | /24 | ARIN | RPKI valid |
| 72.244.55.0/24 | AS7029 | /24 | ARIN | Another network |
| 72.244.55.0/24 | AS64267 | /24 | ARIN | Another network |
| 72.244.48.0/20 | AS834 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6079 | RADB | autogen | MAINT-AS834 | Jul 1, 2026 |
| AS6079 | ARIN | Used by EndUser | MNT-DCL-577 | Jul 1, 2026 |
| AS7029 not the origin | RADB | autogen | MAINT-AS834 | Jul 1, 2026 |
| AS7029 not the origin | ARIN | Used by EndUser | MNT-DCL-577 | Jul 1, 2026 |
| AS64267 not the origin | RADB | autogen | MAINT-AS834 | Jul 1, 2026 |
| AS64267 not the origin | ARIN | Used by EndUser | MNT-DCL-577 | Jul 1, 2026 |
Whois
Registration for this announcement
- Range
- 72.244.0.0/16
- 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-72-244-0-0-3
- Parent
- NET-72-244-0-0-2
- Created
- Jul 30, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 22, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN