Data as of Nov 3, 2026
208.70.204.0/24
No anonymizer space · no proxy exits in 30 daysTaiwan Semiconductor Manufactoring Company, Ltd. · space held by Chunghwa Telecom Global, INC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 208.70.200.0/21 since Oct 2006 | AS9505 | Unknown | Chunghwa Telecom Global, INC |
Network & registry
Origin network
AS23675
TW
- Name
- Taiwan Semiconductor Manufactoring Company, Ltd.
- Type
- Business
- Registered
- Mar 18, 2003
- Domain
- tsmc.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Mar 2016
- Current origin since
- Sep 2023 · 3.1 yr
- Origin networks
- 2
- Last change of origin
- Sep 2023
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 208.70.204.0/24 | AS23675 | /24 | ARIN | RPKI valid |
| 208.70.204.0/24 | AS33717 | /24 | ARIN | Another network |
| 208.70.200.0/21 | AS9505 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 208.70.200.0/21
- Netname
- CHT-GLOBAL
- Registrant
- Chunghwa Telecom Global, INC
- Organization
- Chunghwa Telecom Global, INC (CTG-41)
- Org address
- 2107 N. First Street, suite 580, San Jose, CA, 95131
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-208-70-200-0-1
- Parent
- NET-208-0-0-0-0
- Created
- Sep 27, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 27, 2006
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-408-988-1898
- Handle
- ABUSE841-ARIN