Data as of Nov 9, 2026
38.100.188.0/24
No anonymizer space · no proxy exits in 30 daysZoom Fiber · reallocated from Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 38.100.184.0/21 since Dec 2024 | AS400684 | Residential | 16 1 always on | Cogent Communications, LLC | ||
| 38.0.0.0/8 | AS174 | Internet provider | IP broker Rackdog (part) | 401,849 78,907 always on | Cogent Communications, 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 |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | 16,777,216 | COGENT-A | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 16, 1991 | abuse@ |
| └ 38.100.188.0/23 | 512 | ZOOMFIBER-CGNT-NET-2 | Zoom Fiber (ZFL-7) · US | Reallocated | Jun 13, 2019 | — |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 38.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Apr 16, 1991
- Legacy
- yes
- Reallocated to
- Zoom Fiber (ZFL-7)
- Reallocated range
- 38.
100. 188. 0/ 23 - Reallocated
- Jun 13, 2019
Origin network
AS400684
US
- Name
- Zoom Fiber
- Type
- Internet provider
- Registered
- Apr 26, 2022
- Domain
- zoomfiber.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Nov 2015
- Current origin since
- Jun 2022 · 4.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2022
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 38.
100. 188. 0/ 23 - Netname
- ZOOMFIBER-CGNT-NET-2
- Registrant
- Zoom Fiber
- Organization
- Zoom Fiber (ZFL-7)
- Org address
- P.O. Box 305, De Soto, KS, 66018
- Org country
- US
- Type
- Reallocated
- Handle
- NET-38-100-188-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Jun 13, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN