Data as of Nov 15, 2026
27.38.0.0/24
No anonymizer space · no proxy exits in 30 daysChina Unicom Shenzen network · space held by China Unicom Guangdong province network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 27.36.0.0/14 since Mar 2010 | AS17816 | Residential | 6,608 1 always on | China Unicom Guangdong province network |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 27.36.0.0/14 | 262,144 | UNICOM-GD | China Unicom Guangdong province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 27.38.0.0/16 | 65,536 | UNICOM-GDSZ | China Unicom Shenzhen city network | ALLOCATED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-GD |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 27.38.0.0/16
- Prefix
- 27.38.0.0/16
- Announced by
- AS17623 China Unicom Shenzen network
- Type
- Residential
- Proxy exits
- 4,412
- RPKI
- RPKI valid
- Netname
- UNICOM-GDSZ
- Registrant
- China Unicom Shenzhen city network
- RIR
- APNIC
Registry
Holder
- Organization
- China Unicom Guangdong province network
- Range
- 27.
36. 0. 0/ 14 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- China Unicom Shenzhen city network
- Reallocated range
- 27.
38. 0. 0/ 16 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS17623
CN
- Name
- China Unicom Shenzen network
- Type
- Internet provider
- Registered
- Jan 18, 2001
- Domain
- chinaunicom.cn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
27.38.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Nov 2010
- Current origin since
- Nov 2010 · 16 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 27.38.0.0/16 | AS17623 | /16 | APNIC | RPKI valid |
| 27.36.0.0/14 | AS17816 | /14 | APNIC | Another network |
IRR
Route objects on 27.38.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS17623 | APNIC | China Unicom Guangdong Province Network | MAINT-CNCGROUP-RR | Apr 12, 2010 |
| AS17623 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
| AS17623 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| AS17816 not the origin | APNIC | China Unicom | MAINT-CNCGROUP-RR | Jun 8, 2023 |
Whois
Registration for this announcement
- Range
- 27.
38. 0. 0/ 16 - Netname
- UNICOM-GDSZ
- Registrant
- China Unicom Shenzhen city network
- Registrant country
- CN
- Organization
- China Unicom Shenzhen city network
- Org country
- CN
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 18, 2010
- Maintainer
- MAINT-CNCGROUP-GD
- RIR
- APNIC
- Country
- CN
- Delegated
- Mar 23, 2010
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP