Data as of Nov 8, 2026
218.21.252.0/23
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 |
|---|---|---|---|---|---|
| 218.21.240.0/20 since Aug 2008 | AS4837 | Residential | 6 1 always on | China Unicom Neimeng province network | |
| 218.21.128.0/17 since May 2005 | AS4837 | Residential | 90 2 always on | China Unicom Neimeng province network |
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 |
|---|---|---|---|---|---|---|
| 218.21.128.0/17 | 32,768 | UNICOM-NM | China Unicom Neimeng province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 218.21.252.0/26 | 64 | InnerMongoliaJiningZXHB52MH01zhuanxian | unknown | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-NM |
| └ 218.21.252.65/32 | 1 | IMWJNX | unknown | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-NM |
| └ 218.21.252.66/32 | 1 | IMWJNX | unknown | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-NM |
| └ 218.21.252.67/32 | 1 | IMWJN25 | unknown | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-NM |
| └ 218.21.252.68/32 | 1 | IMWX | unknown | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-NM |
| └ 218.21.252.69/32 | 1 | IMWS | 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
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
Summary
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 |
|---|---|---|---|---|
| 218.21.252.0/23 | AS139007 | /23 | APNIC | RPKI valid |
| 218.21.240.0/20 | AS4837 | /20 | APNIC | Another network |
| 218.21.128.0/17 | AS4837 | /17 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 218.
21. 128. 0/ 17 - 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
- Apr 12, 2001
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP