Data as of Nov 7, 2026
198.252.172.0/23
No anonymizer space · no proxy exits in 30 daysComcast Cable 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 |
|---|---|---|---|---|---|---|
| 198.252.172.0/24 | 256 | NTTC-NET | National Technology Transfer Center (NTTC-2) · US | Direct Allocation | Nov 24, 1993 | rmagers@ |
| 198.252.173.0/24 | 256 | NTTC-ALTERNATE | National Technology Transfer Center (NTTC-2) · US | Direct Allocation | Nov 24, 1993 | rmagers@ |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS7016
US
- Name
- Comcast Cable Communications, LLC
- Type
- Internet provider
- Registered
- Dec 20, 2001
- Domain
- comcast.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2013
- Current origin since
- Feb 2019 · 7.7 yr
- Origin networks
- 2
- Last change of origin
- Feb 2019
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7922 not the origin | RADB | Comcast Cable Communications, Inc. | MAINT-AS7922 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 198.252.172.0/24 | AS7922 | RADB | Comcast Cable Communications, Inc. | MAINT-AS7922 | Nov 13, 2023 |
Whois
Registration for this announcement
198.252.172.0/23 spans several registrations: 2 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 24, 1993
- Status
- assigned