Data as of Nov 12, 2026
173.205.4.136/29
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc. · space held by PacketExchange, Inc
Network & registry
Announced by
Covering announcement 173.205.0.0/17
- Prefix
- 173.205.0.0/17
- Announced by
- AS3257 GTT Communications Inc.
- Type
- Unknown
- Proxy exits
- 3
- RPKI
- No RPKI
- Netname
- NETBLK-PACKETEXCHANGE-V4-09
- Registrant
- PacketExchange, Inc
- 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
- 251
Routing timeline
Who has announced 173.205.0.0/17
173.205.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Apr 2011
- Current origin since
- Jul 2015 · 11 yr
- Origin networks
- 2
- Last change of origin
- Jul 2015
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 173.
205. 0. 0/ 17 - Netname
- NETBLK-PACKETEXCHANGE-V4-09
- Registrant
- PacketExchange, Inc
- Organization
- PacketExchange, Inc (PACKE-25)
- Org address
- GTT Communications, Inc., McLean, VA, 22102
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-173-205-0-0-1
- Parent
- NET-173-0-0-0-0
- Created
- Oct 15, 2009
- 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