Data as of Nov 8, 2026
204.237.208.0/21
1,536 anonymizer addresses · 75% · ISP proxy5 residential-proxy exits · 30 daysGTT Communications Inc. · space held by PacketExchange, Inc
Residential-proxy exits
Proxy exits
5
0.24% of its addresses · 30 days
Spread
1 of 8
/24s with at least one exit
Providers
1
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
14 observations
Proxy providers listing exits
- DataImpulse
IPv4 market
Path
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 204.237.208.0/21 | /24s |
|---|---|---|
| PacketExchange, Inc | 1,53675% | 6 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 204.237.208.0/23 since Mar 2026 | AS20001 | ISP proxy | IP broker IPNetZone | PacketExchange, Inc via IPNetZone | ||
| 204.237.212.0/22 since Dec 2025 | AS2914 | ISP proxy | IP broker ARISK | 5 | PacketExchange, Inc |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| ISP proxyanonymizer | 1,536 | 75% | 2 | |
| Unknown | 512 | 25% | 1 |
Network & registry
Announced by
Covering announcement 204.237.128.0/17
- Prefix
- 204.237.128.0/17
- Announced by
- AS3257 GTT Communications Inc.
- Type
- Unknown
- Anonymizer addresses
- none
- Proxy exits
- 12
- RPKI
- No RPKI
- Netname
- NETBLK-PACKETEXCHANGE-V4-08
- 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
- 244
Routing timeline
Who has announced 204.237.128.0/17
204.237.128.0/17
Routing history
- Pattern
- Stable
- First seen
- Sep 2009
- Current origin since
- Apr 2015 · 12 yr
- Origin networks
- 2
- Last change of origin
- Apr 2015
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 204.237.128.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4436 not the origin | RADB | Mzima ARIN block 9 | MAINT-AS3257 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 204.
237. 128. 0/ 17 - Netname
- NETBLK-PACKETEXCHANGE-V4-08
- Registrant
- PacketExchange, Inc
- Organization
- PacketExchange, Inc (PACKE-25)
- Org address
- GTT Communications, Inc., McLean, VA, 22102
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-237-128-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Sep 9, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 9, 2009
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN