Data as of Nov 3, 2026
149.87.128.0/23
Anonymizer · ISP proxySkyQuantum Internet Service · space held by Cogent Communications, LLC
IPv4 market
Path
1 · Holder
record created Jan 28, 1992 · reallocated to Wisdom Cloud Internet Technology Pte. Ltd Jan 5, 2024
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 149.87.128.0/23 | /24s |
|---|---|---|---|
| SkyQuantum | 512100% | 2 |
Leased from
Owners leasing their own space
| Name | In 149.87.128.0/23 | /24s |
|---|---|---|
| Cogent Communications, LLC | 512100% | 2 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 149.87.128.0/18 since Oct 15, 2026 | AS174 | ISP proxy | 1 | Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd | |
| 149.86.0.0/15 since Sep 2006 | AS174 | Internet provider | 5,888 952 always on |
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 |
|---|---|---|---|---|---|---|
| 149.87.0.0/16 | 65,536 | COGENT-149-87-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Jan 28, 1992 | [email protected] |
| └ 149.87.128.0/18 | 16,384 | WISDOM-CLOUD-CGNT-NET-1 | Wisdom Cloud Internet Technology Pte. Ltd (WCITPL) · SG | Reallocated | Jan 5, 2024 | [email protected] |
| └ 149.87.128.0/21 | 2,048 | NET-149-87-128-0 | SkyQuantum Internet Service (SISL-43) · US | Reassigned | Oct 11, 2024 | [email protected] |
Network & registry
Announced by
Covering announcement 149.87.128.0/21
- Prefix
- 149.87.128.0/21
- Announced by
- AS55201 SkyQuantum Internet Service
- Type
- ISP proxy
- Anonymizer addresses
- all
- Operator
- Proxy providersoperated by SkyQuantum
- RPKI
- No RPKI
- Netname
- NET-149-87-128-0
- Registrant
- SkyQuantum Internet Service
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 149.87.0.0/16
- Registration type
- Direct Allocation
- Record created
- Jan 28, 1992
- Legacy
- yes
- Reallocated to
- Wisdom Cloud Internet Technology Pte. Ltd (WCITPL)
- Reallocated range
- 149.87.128.0/18
- Reallocated
- Jan 5, 2024
Routing timeline
Covering aggregate above, the prefix's own history below
149.87.128.0/21
Routing history
- Pattern
- Rotating
- First seen
- Jun 2021
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 4
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 3
IRR
Route objects on 149.87.128.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7018 not the origin | RADB | Route for AS7018 | MAINT-AS55201 | Dec 17, 2024 |
| AS9304 not the origin | RADB | Proxy-registered route object | MAINT-AS9304 | Apr 8, 2026 |
| AS9304 not the origin | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Apr 8, 2026 |
| AS55201 | RADB | Route for AS55201 | MAINT-AS55201 | Aug 21, 2025 |
| AS63450 not the origin | RADB | MAINT-AS55201 | Sep 9, 2026 |
Whois
Registration for this announcement
- Range
- 149.87.128.0/21
- Netname
- NET-149-87-128-0
- Registrant
- SkyQuantum Internet Service
- Organization
- SkyQuantum Internet Service (SISL-43)
- Org address
- 30 N Gould St Ste N, Sheridan, WY, 82801
- Org country
- US
- Type
- Reassigned
- Handle
- NET-149-87-128-0-2
- Parent
- NET-149-87-128-0-1
- Created
- Oct 11, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 28, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-971-333-0066
- Handle
- ABUSE9697-ARIN