Home Prefix Lookup123.4.0.0/14

123.4.0.0/14

🇨🇳

IPv4APNICallocatedAS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone RPKI Valid

CIDR

123.4.0.0/14

IP Version

IPv4

Addresses

262.1K

Mask

/14 (255.252.0.0)

Country

🇨🇳 China

City

Zhengzhou

RIR

APNIC

Status

allocated

Allocated

11/20/2006

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
123.4.0.0/14	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	APNICRADB	6/13/2026

Covering Prefix

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
123.7.178.0/24	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	—	6/13/2026
123.7.206.0/24	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	—	6/13/2026

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
123.4.0.0/14	AS4837	/14	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4837	APNIC	MAINT-CNCGROUP-RR	9/4/2008
AS4837	RADB	MAINT-AS58453	11/13/2023

More Specific Prefixes

100

Prefix	Country	Status
123.7.183.192/27	🇨🇳CN	assigned
123.7.179.96/27	🇨🇳CN	assigned
123.7.177.96/27	🇨🇳CN	assigned
123.7.52.16/28	🇨🇳CN	assigned
123.7.69.112/28	🇨🇳CN	assigned
123.7.54.32/28	🇨🇳CN	assigned
123.7.14.8/29	🇨🇳CN	assigned
123.7.178.144/29	🇨🇳CN	assigned
123.7.14.16/29	🇨🇳CN	assigned
123.7.178.16/29	🇨🇳CN	assigned
123.7.183.232/29	🇨🇳CN	assigned
123.7.54.224/29	🇨🇳CN	assigned
123.7.51.16/29	🇨🇳CN	assigned
123.7.52.208/29	🇨🇳CN	assigned
123.7.181.152/29	🇨🇳CN	assigned
123.7.181.168/29	🇨🇳CN	assigned
123.7.53.40/29	🇨🇳CN	assigned
123.7.54.168/29	🇨🇳CN	assigned
123.7.53.64/29	🇨🇳CN	assigned
123.7.180.136/29	🇨🇳CN	assigned
123.7.178.136/29	🇨🇳CN	assigned
123.7.52.216/29	🇨🇳CN	assigned
123.7.177.40/29	🇨🇳CN	assigned
123.7.54.12/30	🇨🇳CN	assigned
123.7.54.140/30	🇨🇳CN	assigned
123.7.54.216/30	🇨🇳CN	assigned
123.7.54.132/30	🇨🇳CN	assigned
123.7.52.148/30	🇨🇳CN	assigned
123.7.56.192/30	🇨🇳CN	assigned
123.7.178.132/30	🇨🇳CN	assigned
123.7.53.60/30	🇨🇳CN	assigned
123.7.183.12/30	🇨🇳CN	assigned
123.7.56.232/30	🇨🇳CN	assigned
123.7.182.24/30	🇨🇳CN	assigned
123.7.14.4/30	🇨🇳CN	assigned
123.7.52.88/30	🇨🇳CN	assigned
123.7.56.248/30	🇨🇳CN	assigned
123.7.52.36/30	🇨🇳CN	assigned
123.7.54.96/30	🇨🇳CN	assigned
123.7.56.244/30	🇨🇳CN	assigned
123.7.53.200/30	🇨🇳CN	assigned
123.7.56.212/30	🇨🇳CN	assigned
123.7.181.160/30	🇨🇳CN	assigned
123.7.54.248/30	🇨🇳CN	assigned
123.7.52.116/30	🇨🇳CN	assigned
123.7.181.8/30	🇨🇳CN	assigned
123.7.182.8/30	🇨🇳CN	assigned
123.7.56.204/30	🇨🇳CN	assigned
123.7.52.156/30	🇨🇳CN	assigned
123.7.51.144/30	🇨🇳CN	assigned
123.7.52.12/30	🇨🇳CN	assigned
123.7.181.176/30	🇨🇳CN	assigned
123.7.52.164/30	🇨🇳CN	assigned
123.7.52.132/30	🇨🇳CN	assigned
123.7.181.4/30	🇨🇳CN	assigned
123.7.52.72/30	🇨🇳CN	assigned
123.7.178.220/30	🇨🇳CN	assigned
123.7.56.196/30	🇨🇳CN	assigned
123.7.182.20/30	🇨🇳CN	assigned
123.7.53.196/30	🇨🇳CN	assigned
123.7.182.12/30	🇨🇳CN	assigned
123.7.177.48/30	🇨🇳CN	assigned
123.7.177.12/30	🇨🇳CN	assigned
123.7.52.92/30	🇨🇳CN	assigned
123.7.178.208/30	🇨🇳CN	assigned
123.7.177.38/31	🇨🇳CN	assigned
123.7.54.232/31	🇨🇳CN	assigned
123.7.178.218/31	🇨🇳CN	assigned
123.7.53.228/31	🇨🇳CN	assigned
123.7.54.112/31	🇨🇳CN	assigned
123.7.56.182/31	🇨🇳CN	assigned
123.7.51.70/31	🇨🇳CN	assigned
123.7.182.40/31	🇨🇳CN	assigned
123.7.51.32/31	🇨🇳CN	assigned
123.7.29.32/31	🇨🇳CN	assigned
123.7.183.16/31	🇨🇳CN	assigned
123.7.177.8/31	🇨🇳CN	assigned
123.7.181.150/31	🇨🇳CN	assigned
123.7.56.218/31	🇨🇳CN	assigned
123.7.54.222/31	🇨🇳CN	assigned
123.7.55.90/31	🇨🇳CN	assigned
123.7.54.196/31	🇨🇳CN	assigned
123.7.52.152/31	🇨🇳CN	assigned
123.7.53.50/31	🇨🇳CN	assigned
123.7.54.208/31	🇨🇳CN	assigned
123.7.52.130/31	🇨🇳CN	assigned
123.7.52.136/31	🇨🇳CN	assigned
123.7.52.112/31	🇨🇳CN	assigned
123.7.52.146/31	🇨🇳CN	assigned
123.7.54.212/31	🇨🇳CN	assigned
123.7.183.10/31	🇨🇳CN	assigned
123.7.14.2/31	🇨🇳CN	assigned
123.7.52.62/31	🇨🇳CN	assigned
123.7.177.130/31	🇨🇳CN	assigned
123.7.56.184/31	🇨🇳CN	assigned
123.7.181.18/31	🇨🇳CN	assigned
123.7.54.188/31	🇨🇳CN	assigned
123.7.54.154/31	🇨🇳CN	assigned
123.7.54.200/31	🇨🇳CN	assigned
123.7.181.166/31	🇨🇳CN	assigned

Origin ASN

AS4837

CHINA169-Backbone - CHINA UNICOM China169 Backbone

Geolocation

Country🇨🇳ChinaCN

RegionHenan

CityZhengzhou

Coordinates34.7472, 113.6250 ↗

API

Open

GEThttps://api.ipctl.io/v1/prefix/123.4.0.0/14

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

curl -s "https://api.ipctl.io/v1/prefix/123.4.0.0/14" | jq

External Links

RIPEstat Hurricane Electric BGP