Data as of Nov 4, 2026
103.197.3.0/24
No anonymizer space · no proxy exits in 30 daysAS58542 · space held by Cypress Telecom (China) Limited
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Sep 18, 2026
from AS55996 Cypress Telecom (China) Limited, after 3.3 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 103.197.2.0/23 since Sep 2024 | AS55996 | Internet provider | Cypress Telecom (China) Limited |
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 |
|---|---|---|---|---|---|---|
| 103.197.0.0/22 | 1,024 | CYPRESSTEL | Cypress Telecom (China) Limited | ALLOCATED PORTABLE | — | [email protected] |
| └ 103.197.3.0/24 | 256 | Pfizer | Pfizer Inc | ASSIGNED NON-PORTABLE | — | [email protected] |
Network & registry
Registry
Holder
- Organization
- Cypress Telecom (China) Limited
- Range
- 103.197.0.0/22
- Registration type
- ALLOCATED PORTABLE
Origin network
AS58542
CN
- Type
- Hosting
- Registered
- Mar 2, 2012
- Domain
- chinatelecom.cn
- 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
- Reactivated
- First seen
- May 2023
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Sep 18, 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.197.3.0/24 | AS55996 | /24 | APNIC | Another network |
| 103.197.3.0/24 | AS58542 | /24 | APNIC | RPKI valid |
| 103.197.2.0/23 | AS55996 | /24 | APNIC | Another network |
| 103.197.2.0/23 | AS131274 | /24 | APNIC | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS58542 | RADB | chinanet/CN2 TianJin province network | MAINT-AS58542 | Jun 13, 2025 |
Whois
Registration for this announcement
- Range
- 103.197.3.0/24
- Netname
- Pfizer
- Registrant
- Pfizer Inc
- Registrant country
- CN
- Organization
- Pfizer Inc
- Org country
- CN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Feb 23, 2024
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Sep 30, 2015
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IRT-CYPRESSTEL-CN
- Handle
- IRT-CYPRESSTEL-CN