Data as of Nov 12, 2026
72.245.80.0/22
Anonymizer · ISP proxyGrande Communications Networks, LLC · space held by GTT Americas, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin May 2026
from AS39618 HostCram LLC
IPv4 market
Path
Announced by AS7459 since May 2026 · 5 mo ago
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 72.245.80.0/22 | /24s |
|---|---|---|---|
| Flux Telecom | 1,024100% | 4 |
Leased from
Owners leasing their own space
| Name | In 72.245.80.0/22 | /24s |
|---|---|---|
| GTT Americas, LLC | 1,024100% | 4 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
72.245.80.0/22
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– today
- Aug 28, 2025– Apr 12, 2026
- Apr 14, 2026Route objectAS7459 Grande Communications Networks, LLCARIN route object for AS7459 Grande Communications Networks, LLC, maintainer MNT-GAL-104
- May 4, 2026Route objectAS7459 Grande Communications Networks, LLCRADB route object for AS7459 Grande Communications Networks, LLC, maintainer MAINT-AS7459
- May 31, 2026– today
- todayUsedFlux TelecomProxy operator
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) | 421 | 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 | abuse@ |
| └ 72.245.80.0/22 | 1,024 | FLUXSTREAM-GTT | unknown | Reassigned | Apr 14, 2026 | abuse@ via MEGAPATH-BLK-63 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
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
Origin network
AS7459
US
- Name
- Grande Communications Networks, LLC
- Type
- Internet provider
- Registered
- Dec 17, 1996
- Domain
- mygrande.com
- Website
- www.mygrande.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
- Rotating
- First seen
- Aug 2025
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.245.80.0/22 | AS7459 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 72.
245. 80. 0/ 22 - Netname
- FLUXSTREAM-GTT
- Registrant
- GTT Americas, LLC
- Organization
- GTT Americas, LLC (GAL-104)
- Org address
- 4201 Wilson Blvd -Suite 504, Arlington, VA, 22203
- Org country
- US
- Type
- Reassigned
- Handle
- NET-72-245-80-0-1
- Parent
- NET-72-244-0-0-1
- Created
- Apr 14, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 22, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN