2403:a200:a1ff::/48 China Unicom Shanghai network
Announced by AS17621 China Unicom Shanghai network. RPKI valid Seen by 5 of our 5 looking glass sessions. Also originated by AS4811
Summary
What the table says about 2403:a200:a1ff::/48
Prefix
Origin
AS17621 CNCGROUP-SH
RPKI
RPKI valid
Size
65,536 /64s
Less specific
More specifics
0
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-13 20:09 UTC
Paths
How 2403:a200:a1ff::/48 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 4134 4811
| Origin | AS4811 China Telecom (Group) |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:2001 |
| Updated | 5d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 4811
| Origin | AS4811 China Telecom (Group) |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 6d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4837 17621
| Origin | AS17621 China Unicom Shanghai network |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 4h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS17621 to originate 2403:a200:a1ff::/48 up to /64. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2403:a200:a1ff::/48 | /64 | AS4811 CHINANET-SHANGHAI-MAN | APNIC |
| 2403:a200:a1ff::/48 | /64 | AS17621 CNCGROUP-SH | APNIC |
| 2403:a200:a1ff::/48 | /64 | AS24400 CMNET-V4shanghai-AS-AP | APNIC |
| 2403:a200::/32 | /64 | AS4808 CHINA169-BJ | APNIC |
| 2403:a200::/32 | /64 | AS4847 CNIX-AP | APNIC |
| 2403:a200::/32 | /64 | AS9308 CHINA-ABITCOOL | APNIC |
| 2403:a200::/32 | /64 | AS9802 CHINA-ABITCOOL | APNIC |
| 2403:a200::/32 | /64 | AS17428 CHINA-ABITCOOL | APNIC |
| 2403:a200::/32 | /64 | AS23724 CHINANET-IDC-BJ-AP | APNIC |
| 2403:a200::/32 | /64 | AS56048 CMNET-BEIJING-AP | APNIC |
| 2403:a200::/32 | /64 | AS59020 CHINA-21VIANET | APNIC |
| 2403:a200::/32 | /64 | AS133111 CNT-northChina | APNIC |
| 2403:a200::/32 | /64 | AS133119 UNICOM-CN | 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 |
|---|---|---|---|---|
| 2403:a200:a1ff::/48 | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 2403:a200:a1ff::/48 | AS4811 CHINANET-SHANGHAI-MAN | RADB | SHIDC | MAINT-AS4812 |
| 2403:a200::/32 covering | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.