ResearchRouting table, looking glass, RPKI & IRR

120.204.0.0/16 Shanghai Mobile Communications Co.,Ltd.

Announced by AS24400 Shanghai Mobile Communications Co.,Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 120.204.0.0/16

Prefix
120.204.0.0/16
Origin
AS24400 CMNET-V4shanghai-AS-AP
RPKI
RPKI valid
Size
65,536 addresses
Less specific
120.192.0.0/10 AS9808 CHINAMOBILE-CN
More specifics
50
IRR route objects
2 exact, 4 covering
In RouteViews
2026-10-15 20:02 UTC
Paths

How 120.204.0.0/16 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 58453 9808 24400
OriginAS24400 Shanghai Mobile Communications Co.,Ltd.
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated7d 17h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 58453 9808 24400
OriginAS24400 Shanghai Mobile Communications Co.,Ltd.
Origin codeIGP
Communities903:900 903:13760
Updated8d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 58453 9808 24400
OriginAS24400 Shanghai Mobile Communications Co.,Ltd.
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated6h 32m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 58453 9808 24400
OriginAS24400 Shanghai Mobile Communications Co.,Ltd.
Origin codeIGP
Communities174:21001 174:22013
Updated8d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 58453 9808 24400
OriginAS24400 Shanghai Mobile Communications Co.,Ltd.
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated11d 19h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS24400 to originate 120.204.0.0/16 up to /16. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
120.204.0.0/16/16AS24400 CMNET-V4shanghai-AS-APAPNIC
IRR

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
120.204.0.0/16AS24400 CMNET-V4shanghai-AS-APNTTCOMCMI IP TransitMAINT-CMI-INT-HK
120.204.0.0/16AS24400 CMNET-V4shanghai-AS-APRADBCMI (Customer Route)MAINT-AS58453
120.192.0.0/11 coveringAS9808 CHINAMOBILE-CNAPNICChina Mobile communications corporationMAINT-CN-CMCC
120.192.0.0/10 coveringAS9808 CHINAMOBILE-CNAPNICChina Mobile communications corporationMAINT-CN-CMCC
120.192.0.0/10 coveringAS9808 CHINAMOBILE-CNNTTCOMCMI IP TransitMAINT-CMI-INT-HK
120.192.0.0/10 coveringAS9808 CHINAMOBILE-CNRADBPACNET (proxy-registered route object)MAINT-AS4637
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

120.192.0.0/10 AS9808 CHINAMOBILE-CN
More specific

Prefixes inside 120.204.0.0/16

50 announced prefixes fall inside this one.

Show the 50 prefixes
120.204.0.0/20 AS9808 CHINAMOBILE-CN120.204.16.0/21 AS9808 CHINAMOBILE-CN120.204.24.0/22 AS9808 CHINAMOBILE-CN120.204.28.0/23 AS9808 CHINAMOBILE-CN120.204.30.0/24 AS9808 CHINAMOBILE-CN120.204.31.0/24 AS9808 CHINAMOBILE-CN120.204.32.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.38.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.42.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.43.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.46.0/23 AS24400 CMNET-V4shanghai-AS-AP120.204.46.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.47.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.50.0/23 AS24400 CMNET-V4shanghai-AS-AP120.204.50.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.56.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.60.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.73.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.76.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.83.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.85.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.90.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.100.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.124.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.128.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.132.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.136.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.140.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.144.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.148.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.152.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.156.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.160.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.164.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.168.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.172.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.176.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.180.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.184.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.188.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.192.0/21 AS24400 CMNET-V4shanghai-AS-AP120.204.201.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.202.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.203.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.204.0/24 AS24400 CMNET-V4shanghai-AS-AP120.204.205.0/24 AS9808 CHINAMOBILE-CN120.204.206.0/23 AS9808 CHINAMOBILE-CN120.204.208.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.212.0/22 AS24400 CMNET-V4shanghai-AS-AP120.204.216.0/22 AS24400 CMNET-V4shanghai-AS-AP
Tools

Check 120.204.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API