Data as of Nov 8, 2026
161.188.128.0/23
No anonymizer space · no proxy exits in 30 daysBoost Mobile · reallocated from Amazon Technologies Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Risk
10 / 100 · Low
Shared address
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 |
|---|---|---|---|---|---|---|
| 161. | 51,200 | AT-88-Z | Amazon Technologies Inc. (AT-88-Z) · US | Direct Allocation | Dec 29, 2020 | trustandsafety@ |
| └ 161.188.128.0/18 | 16,384 | AWS-DISH | Boost Mobile (DWL-61) · US | Reallocated | Jan 9, 2024 | — |
Network & registry
IPv4 market
Holder
- Organization
- Amazon Technologies Inc.
- Handle
- AT-88-Z
- Range
- 161.
188. 0. 0 - 161. 188. 199. 255 - Registration type
- Direct Allocation
- Record created
- Dec 29, 2020
- Reallocated to
- Boost Mobile (DWL-61)
- Reallocated range
- 161.
188. 128. 0/ 18 - Reallocated
- Jan 9, 2024
Origin network
AS398378
US
- Name
- Boost Mobile
- Type
- Internet provider
- Registered
- May 12, 2020
- Domain
- boostmobile.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Dec 2021
- Current origin since
- May 2024 · 2.5 yr
- Origin networks
- 2
- Last change of origin
- May 2024
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 161.188.128.0/23 | AS16509 | /24 | ARIN | Another network |
| 161.188.128.0/23 | AS398378 | /24 | ARIN | RPKI valid |
| 161.188.128.0/18 | AS16509 | /18 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 161.
188. 128. 0/ 18 - Netname
- AWS-DISH
- Registrant
- Boost Mobile
- Organization
- Boost Mobile (DWL-61)
- Org address
- 5701 S Santa Fe Drive, Littleton, CO, 80120
- Org country
- US
- Type
- Reallocated
- Handle
- NET-161-188-128-0-1
- Parent
- NET-161-188-0-0-1
- Created
- Jan 9, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 29, 2020
- Status
- assigned
Report abuse
Abuse contact
- trustandsafety@
support. aws. com - Name
- Amazon EC2 Abuse
- Phone
- +1-206-555-0000
- Handle
- AEA8-ARIN