ResearchRouting table, looking glass, RPKI & IRR

42.158.0.0/16 IDC, China Telecommunications Corporation

Announced by AS23724 IDC, China Telecommunications Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 42.158.0.0/16

Prefix
42.158.0.0/16
Origin
AS23724 CHINANET-IDC-BJ-AP
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-12 08:02 UTC
Paths

How 42.158.0.0/16 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 4134 23724
OriginAS23724 IDC, China Telecommunications Corporation
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated4d 6h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 23724
OriginAS23724 IDC, China Telecommunications Corporation
Origin codeIGP
Communities903:900 903:13760
Updated4d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 23724
OriginAS23724 IDC, China Telecommunications Corporation
Origin codeIGP
Communities36295:100
Updated4d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4134 23724
OriginAS23724 IDC, China Telecommunications Corporation
Origin codeIGP
Communitiesnone
Updated4d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 23724
OriginAS23724 IDC, China Telecommunications Corporation
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 8h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS23724 to originate 42.158.0.0/16 up to /32. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
42.158.0.0/16/32AS4808 CHINA169-BJAPNIC
42.158.0.0/16/32AS4835 CHINANET-IDC-SNAPNIC
42.158.0.0/16/32AS4847 CNIX-APAPNIC
42.158.0.0/16/32AS9308 CHINA-ABITCOOLAPNIC
42.158.0.0/16/32AS9802 CHINA-ABITCOOLAPNIC
42.158.0.0/16/32AS9808 CHINAMOBILE-CNAPNIC
42.158.0.0/16/32AS17428 CHINA-ABITCOOLAPNIC
42.158.0.0/16/32AS23724 CHINANET-IDC-BJ-APAPNIC
42.158.0.0/16/32AS56048 CMNET-BEIJING-APAPNIC
42.158.0.0/16/32AS59020 CHINA-21VIANETAPNIC
42.158.0.0/16/32AS133111 CNT-northChinaAPNIC
42.158.0.0/16/32AS141679 CHINATELECOM-IDC-BTHBD-APAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
42.158.0.0/16AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
42.158.0.0/16AS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
42.158.0.0/16AS23724 CHINANET-IDC-BJ-APRADBASes Within CT BeiJing IDCMAINT-AS23724
Tools

Check 42.158.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API