101.251.252.0/22 China Unicom Beijing Province Network
Announced by AS4808 China Unicom Beijing Province Network. RPKI valid Seen by 5 of our 5 looking glass sessions. Also originated by AS63199
Summary
What the table says about 101.251.252.0/22
Prefix
Origin
AS4808 CHINA169-BJ
RPKI
RPKI valid
Size
1,024 addresses
Less specific
More specifics
0
IRR route objects
6 exact, 6 covering
In RouteViews
2026-10-15 12:02 UTC
Paths
How 101.251.252.0/22 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 63199
| Origin | AS63199 CDS Global Cloud Co., Ltd |
| Origin code | IGP |
| Communities | 174:21101 174:22005 36601:150 36601:174 36601:2001 |
| Updated | 7d 10h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 63199
| Origin | AS63199 CDS Global Cloud Co., Ltd |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 18h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 63199
| Origin | AS63199 CDS Global Cloud Co., Ltd |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 18h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS4808 to originate 101.251.252.0/22 up to /22. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 101.251.252.0/22 | /22 | AS4808 CHINA169-BJ | APNIC |
| 101.251.252.0/22 | /22 | AS23724 CHINANET-IDC-BJ-AP | APNIC |
| 101.251.252.0/22 | /22 | AS56048 CMNET-BEIJING-AP | APNIC |
| 101.251.252.0/22 | /22 | AS63199 CDSC-AS1 | APNIC |
| 101.251.240.0/20 | /20 | AS23724 CHINANET-IDC-BJ-AP | APNIC |
| 101.251.224.0/19 | /19 | AS23724 CHINANET-IDC-BJ-AP | APNIC |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 101.251.252.0/22 | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 101.251.252.0/22 | AS4808 CHINA169-BJ | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 101.251.252.0/22 | AS63199 CDSC-AS1 | NTTCOM | Capital Online Data Service IPv4 Route | MAINT-CAPITALONLINEDATA |
| 101.251.252.0/22 | AS23724 CHINANET-IDC-BJ-AP | RADB | China Telecom Beijing Co. Ltd. | MAINT-AS23724 |
| 101.251.252.0/22 | AS56048 CMNET-BEIJING-AP | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 101.251.252.0/22 | AS63199 CDSC-AS1 | RADB | Taiwan Fixed Network Proxy-registered | MAINT-AS9924 |
| 101.251.240.0/20 covering | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 101.251.240.0/20 covering | AS23724 CHINANET-IDC-BJ-AP | RADB | ASes Within CT BeiJing IDC | MAINT-AS23724 |
| 101.251.224.0/19 covering | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 101.251.224.0/19 covering | AS23724 CHINANET-IDC-BJ-AP | RADB | China Telecom Beijing Co. Ltd. | MAINT-AS23724 |
| 101.251.192.0/18 covering | AS23724 CHINANET-IDC-BJ-AP | RADB | China Telecom Beijing Co. Ltd. | MAINT-AS23724 |
| 101.251.192.0/18 covering | AS63199 CDSC-AS1 | RADB | Taiwan Fixed Network Proxy-registered route object | MAINT-AS9924 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.