bgptoIP PREFIX
121.40.0.0/14
Originated by AS37963 · ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd.
AnnouncedCNAPNIC
WEBSITE PREVIEWNo public website in RIPE or PeeringDBAS37963
RPKI & ROA validation
CURRENT STATE
unknown
No matching VRP was returned by RIPE Routinator.
| ROA prefix | Origin | Max length | Status |
|---|
Routing registry consistency
| 121.40.0.0/14 | AS37963 — ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Seen in BGP | APNIC |
| 121.40.0.0/14 | AS45102 — ALIBABA-CN-NET - Alibaba (US) Technology Co., Ltd. | Not in BGP | APNIC |
| 121.42.64.0/18 | AS4134 — CHINANET-BACKBONE - No.31,Jin-rong Street | Not in BGP | LEVEL3 |
| 121.42.0.0/15 | AS4134 — CHINANET-BACKBONE - No.31,Jin-rong Street | Not in BGP | LEVEL3 |
| 121.40.0.0/15 | AS4134 — CHINANET-BACKBONE - No.31,Jin-rong Street | Not in BGP | LEVEL3 |
| 121.42.128.0/17 | AS4134 — CHINANET-BACKBONE - No.31,Jin-rong Street | Not in BGP | LEVEL3 |
| 121.40.0.0/14 | AS4134 — CHINANET-BACKBONE - No.31,Jin-rong Street | Not in BGP | LEVEL3 |
| 121.42.0.0/16 | AS4134 — CHINANET-BACKBONE - No.31,Jin-rong Street | Not in BGP | LEVEL3 |
| 121.42.0.0/17 | AS4134 — CHINANET-BACKBONE - No.31,Jin-rong Street | Not in BGP | LEVEL3 |
| 121.42.0.0/18 | AS4134 — CHINANET-BACKBONE - No.31,Jin-rong Street | Not in BGP | LEVEL3 |
| 121.40.0.0/15 | AS37963 — ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Seen in BGP | No IRR source |
| 121.42.0.0/16 | AS37963 — ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Seen in BGP | No IRR source |
| 121.42.0.0/18 | AS37963 — ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Seen in BGP | No IRR source |
| 121.42.0.0/17 | AS37963 — ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Seen in BGP | No IRR source |
| 121.42.130.0/23 | AS37963 — ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Seen in BGP | No IRR source |
| 121.42.64.0/18 | AS37963 — ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Seen in BGP | No IRR source |
| 121.42.0.0/15 | AS37963 — ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Seen in BGP | No IRR source |
| 121.42.128.0/17 | AS37963 — ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Seen in BGP | No IRR source |
Recent RPKI history
| Date | Covered prefix | VRPs | Max length |
|---|---|---|---|
| 30/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 29/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 28/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 27/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 26/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 25/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 24/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 23/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 22/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 21/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 20/09/2026 | 121.40.0.0/14 | 1 | /24 |
| 19/09/2026 | 121.40.0.0/14 | 1 | /24 |