Data as of Nov 14, 2026
173.205.5.0/24
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc. · space held by PacketExchange, Inc
Announcement
this exact prefix
RPKI invalid (origin)
Announced by
Type
Internet provider
Risk
0 / 100 · Low
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 173.205.0.0/17 since Jul 2015 | AS3257 | Unknown | 3 | PacketExchange, Inc |
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 |
|---|---|---|---|---|---|---|
| 173.205.0.0/17 | 32,768 | NETBLK-PACKETEXCHANGE-V4-09 | PacketExchange, Inc (PACKE-25) · US | Direct Allocation | Oct 15, 2009 | abuse@ |
| └ 173.205.5.0/24 | 256 | GTT-CUSTOMER | unknown | Reassigned | Jan 6, 2026 | abuse@ via NETBLK-PACKETEXCHANGE-V4-09 |
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
- PacketExchange, Inc
- Handle
- PACKE-25
- Range
- 173.
205. 0. 0/ 17 - Registration type
- Direct Allocation
- Record created
- Oct 15, 2009
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
- 363
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- First seen
- Before our records
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 173.
205. 5. 0/ 24 - Netname
- GTT-CUSTOMER
- Registrant
- PacketExchange, Inc
- Organization
- PacketExchange, Inc (PACKE-25)
- Org address
- GTT Communications, Inc., McLean, VA, 22102
- Org country
- US
- Type
- Reassigned
- Handle
- NET-173-205-5-0-1
- Parent
- NET-173-205-0-0-1
- Created
- Jan 6, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 15, 2009
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN