Data as of Nov 4, 2026
204.237.133.0/24
No anonymizer space · no proxy exits in 30 daysPubMatic, Inc. · space held by PacketExchange, Inc
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.237.128.0/17 since Apr 2015 | AS3257 | Unknown | 11 | 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 |
|---|---|---|---|---|---|---|
| 204.237.128.0/17 | 32,768 | NETBLK-PACKETEXCHANGE-V4-08 | PacketExchange, Inc (PACKE-25) · US | Direct Allocation | Sep 9, 2009 | [email protected] |
| └ 204.237.133.0/24 | 256 | PUBMATIC-GTT | Pubmatic (C06180110) · US | Reassigned | Jul 28, 2016 | [email protected] via NETBLK-PACKETEXCHANGE-V4-08 |
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
- 204.237.128.0/17
- Registration type
- Direct Allocation
- Record created
- Sep 9, 2009
Origin network
AS62713
US
- Name
- PubMatic, Inc.
- Type
- Business
- Registered
- Aug 16, 2013
- Domain
- pubmatic.com
- Website
- www.pubmatic.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2017
- Current origin since
- Apr 2019 · 7.6 yr
- Origin networks
- 2
- Last change of origin
- Apr 2019
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS62713 | RADB | PubMatic San Jose, CA 95131 | MAINT-AS62713 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 204.237.133.0/24
- Netname
- PUBMATIC-GTT
- Registrant
- Pubmatic
- Organization
- Pubmatic (C06180110)
- Type
- Reassigned
- Handle
- NET-204-237-133-0-1
- Parent
- NET-204-237-128-0-1
- Created
- Jul 28, 2016
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 9, 2009
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN