Data as of Nov 8, 2026
63.174.139.0/24
No anonymizer space · no proxy exits in 30 daysSouthwest Texas Communications · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 63.174.136.0/22 since May 2012 | AS46853 | Residential | 5 | Cogent Communications, LLC | |
| 63.160.0.0/12 | AS174 | Internet provider | 183 37 always on | Cogent Communications, LLC |
Network & registry
Origin network
AS46853
US
- Name
- Southwest Texas Communications
- Type
- Internet provider
- Registered
- Apr 3, 2009
- Domain
- swtexas.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
- Stable
- First seen
- Sep 2006
- Current origin since
- Jan 2019 · 7.8 yr
- Origin networks
- 2
- Last change of origin
- Oct 2009
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 63.174.136.0/22 | AS46853 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 63.
160. 0. 0/ 12 - Netname
- COGENT-63-160-0
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-63-160-0-0-1
- Parent
- NET-63-0-0-0-0
- Created
- Dec 3, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 3, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN