HomePrefix Lookup183.131.240.0/20

183.131.240.0/20

🇨🇳
IPv4APNICassignedNo ROA
CIDR
183.131.240.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Ningbo
RIR
APNIC
Status
assigned
Allocated
-

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

2 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
183.128.0.0/11AS4134CHINANET-BACKBONE - No.31,Jin-rong StreetNo ROA—6/1/2026
183.131.252.0/22AS4809CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier NetworkNo ROA—6/1/2026

More Specific Prefixes

100
PrefixASCountryStatus
183.131.245.0/24🇨🇳CNassigned
183.131.246.0/25🇨🇳CNassigned
183.131.241.0/26🇨🇳CNassigned
183.131.244.64/27🇨🇳CNassigned
183.131.242.0/27🇨🇳CNassigned
183.131.247.24/29🇨🇳CNassigned
183.131.240.32/29🇨🇳CNassigned
183.131.253.64/29🇨🇳CNassigned
183.131.252.136/29🇨🇳CNassigned
183.131.243.176/29🇨🇳CNassigned
183.131.243.40/29🇨🇳CNassigned
183.131.242.56/29🇨🇳CNassigned
183.131.244.0/29🇨🇳CNassigned
183.131.247.128/29🇨🇳CNassigned
183.131.240.120/29🇨🇳CNassigned
183.131.244.104/29🇨🇳CNassigned
183.131.240.168/29🇨🇳CNassigned
183.131.244.176/29🇨🇳CNassigned
183.131.247.16/29🇨🇳CNassigned
183.131.244.24/29🇨🇳CNassigned
183.131.244.144/29🇨🇳CNassigned
183.131.244.232/29🇨🇳CNassigned
183.131.247.144/29🇨🇳CNassigned
183.131.247.44/30🇨🇳CNassigned
183.131.247.140/30🇨🇳CNassigned
183.131.247.164/30🇨🇳CNassigned
183.131.247.196/30🇨🇳CNassigned
183.131.240.72/30🇨🇳CNassigned
183.131.240.92/30🇨🇳CNassigned
183.131.240.108/30🇨🇳CNassigned
183.131.240.112/30🇨🇳CNassigned
183.131.240.132/30🇨🇳CNassigned
183.131.241.64/30🇨🇳CNassigned
183.131.241.136/30🇨🇳CNassigned
183.131.241.216/30🇨🇳CNassigned
183.131.242.52/30🇨🇳CNassigned
183.131.243.4/30🇨🇳CNassigned
183.131.243.28/30🇨🇳CNassigned
183.131.243.48/30🇨🇳CNassigned
183.131.243.72/30🇨🇳CNassigned
183.131.243.88/30🇨🇳CNassigned
183.131.243.152/30🇨🇳CNassigned
183.131.243.160/30🇨🇳CNassigned
183.131.243.168/30🇨🇳CNassigned
183.131.243.192/30🇨🇳CNassigned
183.131.243.240/30🇨🇳CNassigned
183.131.244.4/30🇨🇳CNassigned
183.131.244.12/30🇨🇳CNassigned
183.131.244.20/30🇨🇳CNassigned
183.131.244.168/30🇨🇳CNassigned
183.131.247.100/30🇨🇳CNassigned
183.131.247.108/30🇨🇳CNassigned
183.131.247.136/30🇨🇳CNassigned
183.131.247.208/30🇨🇳CNassigned
183.131.247.232/30🇨🇳CNassigned
183.131.252.64/30🇨🇳CNassigned
183.131.247.48/30🇨🇳CNassigned
183.131.247.248/30🇨🇳CNassigned
183.131.240.80/30🇨🇳CNassigned
183.131.240.104/30🇨🇳CNassigned
183.131.240.88/30🇨🇳CNassigned
183.131.242.32/30🇨🇳CNassigned
183.131.243.56/30🇨🇳CNassigned
183.131.243.132/30🇨🇳CNassigned
183.131.247.36/30🇨🇳CNassigned
183.131.241.72/30🇨🇳CNassigned
183.131.241.124/30🇨🇳CNassigned
183.131.241.200/30🇨🇳CNassigned
183.131.243.60/30🇨🇳CNassigned
183.131.243.64/30🇨🇳CNassigned
183.131.247.84/30🇨🇳CNassigned
183.131.247.192/30🇨🇳CNassigned
183.131.243.244/30🇨🇳CNassigned
183.131.241.116/30🇨🇳CNassigned
183.131.243.172/30🇨🇳CNassigned
183.131.240.100/30🇨🇳CNassigned
183.131.242.40/30🇨🇳CNassigned
183.131.243.68/30🇨🇳CNassigned
183.131.243.232/30🇨🇳CNassigned
183.131.243.248/30🇨🇳CNassigned
183.131.244.16/30🇨🇳CNassigned
183.131.247.12/30🇨🇳CNassigned
183.131.247.56/30🇨🇳CNassigned
183.131.247.60/30🇨🇳CNassigned
183.131.247.188/30🇨🇳CNassigned
183.131.247.216/30🇨🇳CNassigned
183.131.247.220/30🇨🇳CNassigned
183.131.240.40/30🇨🇳CNassigned
183.131.247.224/30🇨🇳CNassigned
183.131.243.20/30🇨🇳CNassigned
183.131.244.164/30🇨🇳CNassigned
183.131.247.172/30🇨🇳CNassigned
183.131.240.188/30🇨🇳CNassigned
183.131.243.236/30🇨🇳CNassigned
183.131.247.8/30🇨🇳CNassigned
183.131.240.48/30🇨🇳CNassigned
183.131.240.68/30🇨🇳CNassigned
183.131.240.84/30🇨🇳CNassigned
183.131.241.68/30🇨🇳CNassigned
183.131.241.84/30🇨🇳CNassigned
Geolocation
Country🇨🇳ChinaCN
RegionZhejiang
CityNingbo
Coordinates29.8683, 121.5440 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/183.131.240.0/20

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/183.131.240.0/20" | jq
External Links
RIPEstat Hurricane Electric BGP