Data as of Nov 5, 2026
72.37.174.0/24
No anonymizer space · no proxy exits in 30 daysCharter Communications Inc · space held by PacketExchange, Inc
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 this block, widest first, each 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 | abuse@ |
| └ 72.37.174.0/24 | 256 | QUADRANET-REALLOCATED | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 72.37.174.0/23
- Prefix
- 72.37.174.0/23
- Announced by
- AS20001 Charter Communications Inc
- Type
- Residential
- RPKI
- No RPKI
- Netname
- NETBLK-PACKETEXCHANGE-V4-03
- Registrant
- PacketExchange, Inc
- RIR
- ARIN
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
72.37.174.0/23
Routing history
- Pattern
- Stable
- First seen
- Apr 2026
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 72.
37. 128. 0/ 17 - Netname
- NETBLK-PACKETEXCHANGE-V4-03
- Registrant
- PacketExchange, Inc
- Organization
- PacketExchange, Inc (PACKE-25)
- Org address
- GTT Communications, Inc., McLean, VA, 22102
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-72-37-128-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Mar 17, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 17, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN