HomePrefix Lookup183.131.128.0/21

183.131.128.0/21

🇨🇳
IPv4APNICassignedAS136188CHINATELECOM-ZHEJIANG-NINGBO-IDC - NINGBO, ZHEJIANG Province, P.R.China. RPKI Valid
CIDR
183.131.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Hangzhou
RIR
APNIC
Status
assigned
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
183.131.128.0/21AS136188CHINATELECOM-ZHEJIANG-NINGBO-IDC - NINGBO, ZHEJIANG Province, P.R.China. Valid
RADB
6/1/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
183.128.0.0/11AS4134CHINANET-BACKBONE - No.31,Jin-rong StreetNo ROA—6/1/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
183.131.128.0/21AS136188/21apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS136188RADBMAINT-AS5846111/13/2023

More Specific Prefixes

17
PrefixASCountryStatus
183.131.132.0/23🇨🇳CNassigned
183.131.128.0/23🇨🇳CNassigned
183.131.134.0/25🇨🇳CNassigned
183.131.135.0/26🇨🇳CNassigned
183.131.135.160/27🇨🇳CNassigned
183.131.135.64/27🇨🇳CNassigned
183.131.135.128/27🇨🇳CNassigned
183.131.135.192/27🇨🇳CNassigned
183.131.134.192/28🇨🇳CNassigned
183.131.135.248/29🇨🇳CNassigned
183.131.135.112/29🇨🇳CNassigned
183.131.135.232/29🇨🇳CNassigned
183.131.135.244/30🇨🇳CNassigned
183.131.135.224/30🇨🇳CNassigned
183.131.135.100/30🇨🇳CNassigned
183.131.135.108/30🇨🇳CNassigned
183.131.134.208/30🇨🇳CNassigned
Origin ASN
AS136188
CHINATELECOM-ZHEJIANG-NINGBO-IDC - NINGBO, ZHEJIANG Province, P.R.China.
Geolocation
Country🇨🇳ChinaCN
RegionZhejiang
CityHangzhou
Coordinates30.0464, 119.9540 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/183.131.128.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/183.131.128.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP