Data as of Nov 3, 2026
216.221.136.0/21
No anonymizer space · no proxy exits in 30 daysTelecommunication Systems, Inc.
Network & registry
Origin network
AS32312
US
- Name
- Telecommunication Systems, Inc.
- Type
- Internet provider
- Registered
- Apr 12, 2004
- Domain
- telecomsys.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
- Apr 2008
- Current origin since
- Apr 2008 · 19 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS19905 not the origin | RADB | AC_TCSPHX | MAINT-AS19905 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 216.221.128.0/20
- Netname
- TCS-PUBLIC
- Registrant
- Telecommunication Systems, Inc.
- Organization
- Telecommunication Systems, Inc. (TELEC-15)
- Org address
- 2401 Elliott Ave., Seattle, WA, 98121
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-216-221-128-0-1
- Parent
- NET-216-0-0-0-0
- Created
- Dec 27, 2007
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 27, 2007
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- NOC
- Phone
- +1-800-959-3749
- Handle
- NOC12132-ARIN