Data as of Nov 3, 2026
72.244.80.0/22
512 anonymizer addresses · 50% · ISP proxyGTT Communications Inc. · space held by GTT Americas, LLC
IPv4 market
Path
2 · Leased from
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 72.244.80.0/22 | /24s |
|---|---|---|
| IPXO | 51250% | 2 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 72.244.80.0/24 since Oct 10, 2026 | AS40676 | Hosting | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | |
| 72.244.81.0/24 since Jun 2026 | AS272109 | Unknown | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | |
| 72.244.82.0/23 since Aug 2026 | AS3257 | ISP proxy | IP broker IPXO | GTT Americas, LLC 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 |
|---|---|---|---|---|---|---|
| 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] |
| └ 72.244.80.0/24 | 256 | NET-72-244-80-0-24 | unknown | Reassigned | Oct 11, 2026 | [email protected] via IPXO-GTT |
| └ 72.244.82.0/24 | 256 | NET-72-244-82-0-24 | IPNetZone (IPNET-1) · US | Reallocated | Mar 25, 2026 | [email protected] |
| └ 72.244.82.0/24 | 256 | RCN-GTT | RCN (RTSL-6) · US | Reallocated | Sep 25, 2026 | [email protected] |
| └ 72.244.83.0/24 | 256 | NET-72-244-83-0-24 | IPNetZone (IPNET-1) · US | Reallocated | Mar 25, 2026 | [email protected] |
| └ 72.244.83.0/24 | 256 | RCN-GTT | RCN (RTSL-6) · US | Reallocated | Sep 25, 2026 | [email protected] |
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 | |
|---|---|---|---|---|
| ISP proxyanonymizer | 512 | 50% | 1 | |
| Hosting | 256 | 25% | 1 | |
| Unknown | 256 | 25% | 1 |
Network & registry
Announced by
Covering announcement 72.244.0.0/15
- Prefix
- 72.244.0.0/15
- Announced by
- AS3257 GTT Communications Inc.
- Type
- Internet provider
- Anonymizer addresses
- none
- Leased from
- IP broker IPXO (part)
- Proxy exits
- 433
- Always-on exits
- 76
- RPKI
- No RPKI
- Netname
- MEGAPATH-BLK-63
- Registrant
- GTT Americas, LLC
- RIR
- ARIN
Origin network
AS3257
US
- Name
- GTT Communications Inc.
- Type
- Internet provider
- Registered
- Sep 30, 1994
- Domain
- gtt.net
- Website
- www.gtt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 244
Routing timeline
Who has announced 72.244.0.0/15
72.244.0.0/15
Routing history
- Pattern
- Rotating
- First seen
- Sep 2005
- Current origin since
- Apr 2023 · 3.5 yr
- Origin networks
- 2
- Last change of origin
- Apr 2023
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 72.244.0.0/15
- Netname
- MEGAPATH-BLK-63
- Registrant
- GTT Americas, LLC
- Organization
- GTT Americas, LLC (GAL-104)
- Org address
- 4201 Wilson Blvd -Suite 504, Arlington, VA, 22203
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-72-244-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Mar 22, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 22, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN