Data as of Nov 3, 2026
72.37.154.0/23
Anonymizer · ISP proxyCharter Communications Inc · space held by PacketExchange, Inc
IPv4 market
Path
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 72.37.154.0/23 | /24s |
|---|---|---|
| IPNetZone | 512100% | 2 |
Leased from
Owners leasing their own space
| Name | In 72.37.154.0/23 | /24s |
|---|---|---|
| PacketExchange, Inc | 512100% | 2 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
72.37.154.0/23
From the registry to its use
- Mar 17, 2005Registry recordPacketExchange, IncDirect Allocation72.37.128.0/17
- Apr 22, 2011– Nov 1, 2014
- Jul 22, 2015– Nov 2, 2026
- Dec 15, 2015– Jun 27, 2016
- Aug 15, 2016– Apr 13, 2019
- Feb 25, 2026ReallocatedIPNetZoneReallocated72.37.154.0/23
- Feb 25, 2026Route objectAS20001 Charter Communications IncARIN route object for AS20001 Charter Communications Inc, maintainer MNT-PACKE-25
- Mar 8, 2026– Nov 2, 2026
- todayLeased fromIPNetZoneIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 72.37.128.0/17 since Jul 2015 | AS3257 | Unknown | 8 2 always on | 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 |
|---|---|---|---|---|---|---|
| 72.37.128.0/17 | 32,768 | NETBLK-PACKETEXCHANGE-V4-03 | PacketExchange, Inc (PACKE-25) · US | Direct Allocation | Mar 17, 2005 | [email protected] |
| └ 72.37.154.0/23 | 512 | GTT-CUSTOMER | IPNetZone (IPNET-1) · US | Reallocated | Feb 25, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- PacketExchange, Inc
- Handle
- PACKE-25
- Range
- 72.37.128.0/17
- Registration type
- Direct Allocation
- Record created
- Mar 17, 2005
- Reallocated to
- IPNetZone (IPNET-1)
- Reallocated range
- 72.37.154.0/23
- Reallocated
- Feb 25, 2026
Origin network
AS20001
US
- Name
- Charter Communications Inc
- Type
- Internet provider
- Registered
- Mar 13, 2001
- Domain
- charter.com
- Website
- www.spectrum.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
- Reactivated
- First seen
- Dec 2015
- Current origin since
- Mar 2026 · 8 mo
- Origin networks
- 2
- Last change of origin
- Mar 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 72.37.154.0/23
- 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-72-37-154-0-1
- Parent
- NET-72-37-128-0-1
- Created
- Feb 25, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 17, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse Handle
- Phone
- +1-646-254-6800
- Handle
- ABUSE2254-ARIN