Data as of Nov 12, 2026
166.73.4.0/23
No anonymizer space · no proxy exits in 30 daysGoogle LLC · space held by Fiserv Solutions, LLC
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 |
|---|---|---|---|---|---|---|
| 166.73.0.0/16 | 65,536 | FISERV | Fiserv Solutions, LLC (FSL-293) · US | Direct Allocation | Nov 1, 1993 | ESMSustainingEng@ |
| └ 166.73.4.0/23 | 512 | NET-166-73-4-0-23 | Fiserv Solutions, LLC (C11119240) · US | Reassigned | Mar 3, 2025 | ESMSustainingEng@ via FISERV |
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
Registry
Holder
- Organization
- Fiserv Solutions, LLC
- Handle
- FSL-293
- Range
- 166.
73. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Nov 1, 1993
- Legacy
- yes
Origin network
AS396982
US
- Name
- Google LLC
- Type
- Hosting
- Registered
- Aug 15, 2018
- Domain
- google.com
- Website
- www.google.com
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 4
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2020
- Current origin since
- Aug 2020 · 6.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 166.73.4.0/23 | AS55002 | /24 | ARIN | Another network |
| 166.73.4.0/23 | AS396982 | /23 | ARIN | RPKI valid |
| 166.73.0.0/16 | AS11273 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS55002 not the origin | RADB | Clover route object | MAINT-AS55002 | Nov 13, 2023 |
| AS55002 not the origin | ARIN | Fiserv - Clover - Silverline AS | MNT-FSL-293 | Jul 27, 2026 |
| AS396982 | RADB | MAINT-AS15169 | Nov 13, 2023 | |
| AS396982 | ARIN | Fiserv - Clover - Google AS | MNT-FSL-293 | Jul 27, 2026 |
Whois
Registration for this announcement
- Range
- 166.
73. 4. 0/ 23 - Netname
- NET-166-73-4-0-23
- Registrant
- Fiserv Solutions, LLC
- Organization
- Fiserv Solutions, LLC (C11119240)
- Type
- Reassigned
- Handle
- NET-166-73-4-0-1
- Parent
- NET-166-73-0-0-1
- Created
- Mar 3, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- networksupportteama@
fiserv. com - Name
- NOC
- Phone
- +1-678-375-4000
- Handle
- NOC32256-ARIN