Data as of Nov 4, 2026
58.18.99.40/29
No anonymizer space · no proxy exits in 30 daysUNICOM InnerMongolia province network · space held by China Unicom Neimeng Province Network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 58.18.0.0/16 since Jul 2005 | AS4837 | Residential | 186 7 always on | China Unicom Neimeng 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 |
|---|---|---|---|---|---|---|
| 58.18.0.0/16 | 65,536 | UNICOM-NM | China Unicom Neimeng Province Network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 58.18.99.40/29 | 8 | IMWSW | unknown | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-NM |
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 58.18.96.0/20
- Prefix
- 58.18.96.0/20
- Announced by
- AS139007 UNICOM InnerMongolia province network
- Type
- Hosting
- Proxy exits
- 5
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- UNICOM-NM
- Registrant
- China Unicom Neimeng Province Network
- RIR
- APNIC
Origin network
AS139007
CN
- Name
- UNICOM InnerMongolia province network
- Type
- Hosting
- Registered
- Apr 24, 2019
- Domain
- hh.nm.cn
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
58.18.96.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2019
- Current origin since
- May 2019 · 7.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 58.18.96.0/20 | AS139007 | /20 | APNIC | RPKI valid |
| 58.18.0.0/16 | AS4837 | /16 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 58.
18. 0. 0/ 16 - Netname
- UNICOM-NM
- Registrant
- China Unicom Neimeng Province Network
- Registrant country
- CN
- Organization
- China Unicom Neimeng Province Network
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 22, 2025
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Mar 1, 2005
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP