HomeASN LookupAS55991

AS55991

AS55991-36 - CNNIC ASN block

Announced Prefixes (BGP)
21total
21 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)6,144
Announced (BGP)9,984
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
5
Allocated
—

Announced Prefixes

(BGP)21
|
Prefix
RPKI
IRR
Last Seen
43.228.204.0/22
 Valid
RADB
5/21/2026
43.228.240.0/22
 Valid
RADB
5/21/2026
45.124.76.0/24
 Valid
RADB
5/21/2026
45.124.77.0/24
 Valid
RADB
5/21/2026
45.124.78.0/24
 Valid
RADB
5/21/2026
45.124.79.0/24
 Valid
RADB
5/21/2026
103.41.116.0/22
 Valid
RADB
5/21/2026
103.43.132.0/24
 Valid
RADB
5/21/2026
103.43.134.0/24
 Valid—5/21/2026
103.43.135.0/24
 Valid—5/21/2026
1–10 of 21
1 / 3

Allocated Prefixes

(RIR)6
Prefix
Country
RIR
Status
43.228.204.0/22🇨🇳 CNAPNICallocated
43.228.240.0/22🇨🇳 CNAPNICallocated
103.41.116.0/22🇨🇳 CNAPNICallocated
103.56.100.0/22🇨🇳 CNAPNICallocated
103.56.104.0/22🇨🇳 CNAPNICallocated
103.192.208.0/22🇨🇳 CNAPNICallocated
ASPA
No ASPA
External Links
Hurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/55991

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/55991" | jq