HomePrefix Lookup202.127.224.0/19

202.127.224.0/19

🇨🇳
IPv4APNICallocatedAS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA
CIDR
202.127.224.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇨🇳 China
City
Haidian (Haidian Qu)
RIR
APNIC
Status
allocated
Allocated
10/23/1994

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
202.127.224.0/19AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA
RADB
6/1/2026

Covering Prefix

20 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
202.127.240.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.232.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.236.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.239.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.232.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.233.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.237.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.242.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.245.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.247.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.250.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.254.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
202.127.232.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/1/2026
202.127.233.0/24AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/1/2026
202.127.254.0/24AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/1/2026
202.127.247.0/24AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast UniversityNo ROA—6/1/2026
202.127.250.0/24AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong UniversityNo ROA—6/1/2026
202.127.236.0/24AS24365CNGI-SH-IX2-AS-AP - CERNET2 IX at Fudan UniversityNo ROA—6/1/2026
202.127.245.0/24AS24371CNGI-CHC-IX-AS-AP - CERNET2 IX at Jilin UniversityNo ROA—6/1/2026
202.127.237.0/24AS138373CNGI-FZH-IX-AS-AP - CERNET2 regional IX at Fuzhou UniversityNo ROA—6/1/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS4538RADBMAINT-AS463711/13/2023

More Specific Prefixes

2
PrefixASCountryStatus
202.127.224.0/20🇨🇳CNassigned
202.127.240.0/20AS4538🇨🇳CNassigned
Origin ASN
AS4538
ERX-CERNET-BKB - China Education and Research Network Center
Geolocation
Country🇨🇳ChinaCN
RegionBeijing
CityHaidian (Haidian Qu)
Coordinates40.0045, 116.3290 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/202.127.224.0/19

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

curl -s "https://api.ipctl.io/v1/prefix/202.127.224.0/19" | jq
External Links
RIPEstat Hurricane Electric BGP