HomePrefix Lookup221.181.128.0/17

221.181.128.0/17

🇨🇳
CIDR
221.181.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇨🇳 China
City
Nanjing
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
221.181.128.0/17AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid
RADB
6/14/2026

Covering Prefix

65 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
221.176.0.0/13AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.No ROA—6/14/2026
221.181.128.0/20AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.232.0/21AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.168.0/21AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.152.0/21AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.184.0/21AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.192.0/21AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Invalid—6/14/2026
221.181.224.0/21AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.208.0/21AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.200.0/21AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.176.0/21AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.160.0/21AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.144.0/22AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.196.0/22AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.206.0/23AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.150.0/23AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.191.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.193.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.195.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.202.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.203.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.204.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.205.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.209.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.210.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.212.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.214.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.215.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.216.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.217.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.218.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.219.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.220.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.221.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.222.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.223.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.225.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.230.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.235.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.236.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.237.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.238.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.239.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.241.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.246.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.248.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.250.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.251.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.254.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.128.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.136.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.137.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.139.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.145.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.155.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.156.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.158.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.167.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.168.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.172.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.175.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.178.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.179.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.187.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026
221.181.188.0/24AS56046CMNET-Jiangsu-AP - China Mobile communications corporation Valid—6/14/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
221.181.128.0/17AS56046/17apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS56046RADBMAINT-AS5845311/13/2023
Geolocation
Country🇨🇳ChinaCN
RegionJiangsu
CityNanjing
GEThttps://api.ipctl.io/v1/prefix/221.181.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/221.181.128.0/17" | jq