Data as of Nov 3, 2026
66.102.240.0/21
No anonymizer space · no proxy exits in 30 daysChina Telecom · space held by China Telecom (Americas) Corporation
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 66.102.241.0/24 since Jul 2026 | AS4809 | Unknown | China Telecom (Americas) Corporation | |
| 66.102.245.0/24 since Oct 2020 | AS4134 | Residential | China Telecom (Americas) Corporation | |
| 66.102.247.0/24 since Aug 2012 | AS4809 | Internet provider | China Telecom (Americas) Corporation |
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 |
|---|---|---|---|---|---|---|
| 66.102.240.0/20 | 4,096 | CTA-DIA | China Telecom (Americas) Corporation (CTUC) · US | Direct Allocation | Apr 5, 2006 | [email protected] |
| └ 66.102.240.0/24 | 256 | CTA-66-102-240-0-24 | unknown | — | — | — |
| └ 66.102.241.0/24 | 256 | CTA-66-102-241-0 | unknown | Reassigned | Feb 2, 2013 | [email protected] via CTA-DIA |
| └ 66.102.242.0/24 | 256 | CTA-66-102-242-0-24 | unknown | — | — | — |
| └ 66.102.243.0/24 | 256 | CTA-66-102-243-0-24 | unknown | — | — | — |
| └ 66.102.244.0/24 | 256 | CTA-66-102-244-0-24 | unknown | — | — | — |
| └ 66.102.245.0/24 | 256 | CTA-66-102-245-0-24 | unknown | Reassigned | Aug 6, 2014 | [email protected] via CTA-DIA |
| └ 66.102.247.0/24 | 256 | CTA-66-102-247-0-24 | China Telecom Americas (C04627043) · US | Reassigned | Jul 3, 2013 | [email protected] via CTA-DIA |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 1,280 | 63% | 3 | |
| Internet provider | 256 | 13% | 1 | |
| Residential | 256 | 13% | 1 | |
| Unknown | 256 | 13% | 1 |
Network & registry
Origin network
AS4134
CN
- Name
- China Telecom
- Type
- Internet provider
- Registered
- Aug 1, 2002
- Domain
- chinatelecom.com.cn
- Website
- en.chinatelecom.com.cn/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2013
- Current origin since
- Dec 2013 · 13 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.102.240.0/21 | AS4134 | /21 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4134 | RADB | China Telecom Global Limited | MAINT-CT-GNOC | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 66.102.240.0/24 | AS4809 | NTTCOM | China Telecom Americas | MAINT-JOB | Jan 23, 2017 |
Whois
Registration for this announcement
- Range
- 66.102.240.0/20
- Netname
- CTA-DIA
- Registrant
- China Telecom (Americas) Corporation
- Organization
- China Telecom (Americas) Corporation (CTUC)
- Org address
- 607 Herndon Parkway, Herndon, VA, 20170
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-102-240-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Apr 5, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 5, 2006
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- NOC
- Phone
- +1-213-236-0430
- Handle
- NOC12992-ARIN