49.52.0.0/14

🇨🇳

CIDR

49.52.0.0/14

IP Version

IPv4

Addresses

262.1K

Mask

/14 (255.252.0.0)

Country

🇨🇳 China

City

Putuo (Putuo Qu)

RIR

APNIC

Status

allocated

Allocated

10/4/2010

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
49.52.0.0/14	AS4538ERX-CERNET-BKB - China Education and Research Network Center	No ROA	APNICRADB	5/31/2026

11 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
49.52.0.0/15	AS4538ERX-CERNET-BKB - China Education and Research Network Center	No ROA	—	5/31/2026
49.52.64.0/19	AS4538ERX-CERNET-BKB - China Education and Research Network Center	No ROA	—	5/31/2026
49.52.0.0/19	AS4538ERX-CERNET-BKB - China Education and Research Network Center	No ROA	—	5/31/2026
49.52.0.0/19	AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University	No ROA	—	5/31/2026
49.52.32.0/20	AS4538ERX-CERNET-BKB - China Education and Research Network Center	No ROA	—	5/31/2026
49.52.96.0/20	AS4538ERX-CERNET-BKB - China Education and Research Network Center	No ROA	—	5/31/2026
49.52.32.0/20	AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University	No ROA	—	5/31/2026
49.52.96.0/20	AS24366CNGI-SH-IX3-AS-AP - CERNET2 IX at Tongji University	No ROA	—	5/31/2026
49.53.48.0/24	AS4538ERX-CERNET-BKB - China Education and Research Network Center	No ROA	—	5/31/2026
49.52.48.0/24	AS4538ERX-CERNET-BKB - China Education and Research Network Center	No ROA	—	5/31/2026
49.52.64.0/24	AS4538ERX-CERNET-BKB - China Education and Research Network Center	No ROA	—	5/31/2026

Origin	Registry	Maintainer	Modified
AS4538	APNIC	MAINT-CERNET-AP	10/11/2010
AS4538	RADB	MAINT-AS4637	11/13/2023

Origin ASN

Geolocation

Country🇨🇳ChinaCN

RegionShanghai

CityPutuo (Putuo Qu)

API

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

curl -s "https://api.ipctl.io/v1/prefix/49.52.0.0/14" | jq

External Links