HomePrefix Lookup210.31.192.0/18

210.31.192.0/18

🇨🇳
IPv4APNICannouncedAS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA
CIDR
210.31.192.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇨🇳 China
City
Tangshan
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
210.31.192.0/18AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA—5/31/2026

Covering Prefix

13 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
210.28.0.0/14AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
210.31.128.0/17AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
210.31.128.0/17AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—5/31/2026
210.31.224.0/20AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA—5/31/2026
210.31.200.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
210.31.200.0/21AS24348CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua UniversityNo ROA—5/31/2026
210.31.192.0/21AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA—5/31/2026
210.31.208.0/21AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA—5/31/2026
210.31.248.0/21AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA—5/31/2026
210.31.200.0/24AS24348CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua UniversityNo ROA—5/31/2026
210.31.199.0/24AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA—5/31/2026
210.31.224.0/24AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA—5/31/2026
210.31.248.0/24AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS4538RADBMAINT-AS5845311/13/2023
Origin ASN
AS138182
CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University
Geolocation
Country🇨🇳ChinaCN
RegionHebei
CityTangshan
Coordinates39.6305, 118.1800 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/210.31.192.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/210.31.192.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP