65,536 routable5 ASes
/16 subnet
121.237.0.0/16
Where this subnet is, who announces it, and what our databases hold in it. Below, every /24 inside it; open one for its addresses.
65,536
routable addresses
65,536
geolocated
1
country
5
announcing ASes
11
announced prefixes
796
anonymous addresses
Where it is
Addresses IP Geolocation places in each country, as a share of those it places.
- China65,536 · 100.00%
Who announces it
Each /24 counted for the AS announcing most of it, as a share of the routable addresses.
What the databases see
Addresses each address-keyed database holds in this block, as a share of its routable addresses. Counts overlap: one address can be in several.
- VPN IP2480.38%
- 0.84%
- 0.00%
- None here
- None here
- None here
- None here
- Hosting IP2,5603.91%
- None here
- Carrier IP62,97696.09%
- None here
- SSH IP6591.01%
- 0.01%
- 0.22%
Announced prefixes
Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.
| PREFIX | ORIGIN | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|---|
| 121.237.32.0/23 | AS137702Nanjing, Jiangsu Province, P.R.China. | China | valid | 16 | 2026-10-02 |
| 121.237.152.0/21 | AS140292CHINATELECOM Jiangsu province Suzhou 5G network | China | valid | 16 | 2026-10-02 |
| 121.237.176.0/21 | AS134756CHINANET Nanjing Jishan IDC network | China | valid | 16 | 2026-10-02 |
| 121.237.176.0/24 | AS134756CHINANET Nanjing Jishan IDC network | China | valid | 16 | 2026-10-02 |
| 121.237.177.0/24 | AS134756CHINANET Nanjing Jishan IDC network | China | valid | 16 | 2026-10-02 |
| 121.237.178.0/24 | AS134756CHINANET Nanjing Jishan IDC network | China | valid | 16 | 2026-10-02 |
| 121.237.179.0/24 | AS134756CHINANET Nanjing Jishan IDC network | China | valid | 16 | 2026-10-02 |
| 121.237.180.0/24 | AS146966China Telecom | China | valid | 16 | 2026-10-02 |
| 121.237.181.0/24 | AS146966China Telecom | China | valid | 16 | 2026-10-02 |
| 121.237.182.0/24 | AS146966China Telecom | China | valid | 16 | 2026-10-02 |
| 121.237.183.0/24 | AS146966China Telecom | China | valid | 16 | 2026-10-02 |
Every /24 inside it
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