Data as of Nov 4, 2026
173.0.126.0/24
No anonymizer space · no proxy exits in 30 daysRCN · space held by GTT Americas, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
IPv4 market
Path
2 · Leased from
4 · Use
Unknown
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
173.0.126.0/24
From the registry to its use
- Jun 23, 2010Registry recordGTT Americas, LLCDirect Allocation173.0.112.0/20
- Jul 1, 2010– Jul 12, 2020
- Nov 8, 2025– today
- Nov 27, 2025ReallocatedIPNetZoneReallocated173.0.120.0/21
- Dec 2, 2025– today
- todayLeased fromIPNetZoneIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 173.0.112.0/20 since Nov 2025 | AS3257 | Internet provider | 21 9 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 |
|---|---|---|---|---|---|---|
| 173.0.112.0/20 | 4,096 | DBRIN | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Jun 23, 2010 | abuse@ |
| └ 173.0.120.0/21 | 2,048 | GTT-CUSTOMER | IPNetZone (IPNET-1) · US | Reallocated | Nov 27, 2025 | ipabuse@ |
Network & registry
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 173.
0. 112. 0/ 20 - Registration type
- Direct Allocation
- Record created
- Jun 23, 2010
- Reallocated to
- IPNetZone (IPNET-1)
- Reallocated range
- 173.
0. 120. 0/ 21 - Reallocated
- Nov 27, 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
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 173.0.120.0/21 | AS6079 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 173.
0. 120. 0/ 21 - Netname
- GTT-CUSTOMER
- Registrant
- IPNetZone
- Organization
- IPNetZone (IPNET-1)
- Org address
- 7900 Tysons One Place, McLean, VA, 22102
- Org country
- US
- Type
- Reallocated
- Handle
- NET-173-0-120-0-1
- Parent
- NET-173-0-112-0-1
- Created
- Nov 27, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 23, 2010
- Status
- assigned
Report abuse
Abuse contact
- ipabuse@
unsi. net - Name
- Abuse Handle
- Phone
- +1-646-254-6800
- Handle
- ABUSE2254-ARIN