HomeASN LookupAS17621

AS17621

CNCGROUP-SH - China Unicom Shanghai network

Announced Prefixes (BGP)
780total
376 IPv4404 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)96,512
Announced (BGP)1.3M
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)1.9×10^30
Prefix Limit (IPv4)
1,000
Prefix Limit (IPv6)
2,000
Allocated
—

Announced Prefixes

(BGP)780
|
Prefix
RPKI
IRR
Last Seen
27.115.0.0/17
No ROA
APNICRADB
5/26/2026
27.115.0.0/18
No ROA
RADB
5/26/2026
27.115.118.0/23
No ROA
RADB
5/26/2026
27.115.120.0/22
No ROA—5/26/2026
27.115.122.0/24
No ROA—5/26/2026
27.115.123.0/24
No ROA—5/26/2026
27.115.124.0/23
No ROA—5/26/2026
27.115.124.0/24
No ROA—5/26/2026
27.115.126.0/23
No ROA—5/26/2026
43.242.96.0/23MOAS
 Invalid—5/26/2026
1–10 of 780
1 / 78

Allocated Prefixes

(RIR)32
Prefix
Country
RIR
Status
27.115.0.0/17🇨🇳 CNAPNICallocated
43.243.148.0/22🇨🇳 CNAPNICallocated
43.250.144.0/22🇨🇳 CNAPNICallocated
43.254.224.0/22🇨🇳 CNAPNICallocated
103.38.232.0/22🇨🇳 CNAPNICallocated
103.61.190.0/24🇨🇳 CNAPNICassigned
103.140.14.0/23🇨🇳 CNAPNICallocated
103.156.68.0/23🇨🇳 CNAPNICallocated
103.202.92.0/22🇨🇳 CNAPNICallocated
103.202.96.0/22🇨🇳 CNAPNICallocated
1–10 of 32
1 / 4
ASPA
No ASPA
External Links
Hurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/17621

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

curl -s "https://api.ipctl.io/v1/asn/17621" | jq