Home Prefix Lookup123.8.0.0/13

123.8.0.0/13

🇨🇳

IPv4APNICallocatedAS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone RPKI Valid

CIDR

123.8.0.0/13

IP Version

IPv4

Addresses

524.2K

Mask

/13 (255.248.0.0)

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
123.8.0.0/13	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	APNICRADB	6/13/2026

Covering Prefix

6 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
123.13.222.0/23	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	—	6/13/2026
123.13.234.0/23	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	—	6/13/2026
123.15.5.0/24	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	—	6/13/2026
123.15.38.0/24	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	—	6/13/2026
123.15.43.0/24	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	—	6/13/2026
123.15.53.0/24	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	—	6/13/2026

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
123.8.0.0/13	AS4837	/13	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
123.15.59.0/24	🇨🇳CN	assigned
123.15.57.0/24	🇨🇳CN	assigned
123.15.58.0/24	🇨🇳CN	assigned
123.15.33.128/25	🇨🇳CN	assigned
123.15.50.128/25	🇨🇳CN	assigned
123.15.47.0/25	🇨🇳CN	assigned
123.15.41.128/26	🇨🇳CN	assigned
123.15.48.192/26	🇨🇳CN	assigned
123.15.51.64/26	🇨🇳CN	assigned
123.15.53.192/26	🇨🇳CN	assigned
123.15.40.192/27	🇨🇳CN	assigned
123.15.55.64/27	🇨🇳CN	assigned
123.15.38.128/27	🇨🇳CN	assigned
123.15.40.128/27	🇨🇳CN	assigned
123.15.40.64/27	🇨🇳CN	assigned
123.15.35.96/27	🇨🇳CN	assigned
123.15.16.64/27	🇨🇳CN	assigned
123.15.35.160/27	🇨🇳CN	assigned
123.15.32.128/27	🇨🇳CN	assigned
123.15.16.32/27	🇨🇳CN	assigned
123.15.41.96/27	🇨🇳CN	assigned
123.15.54.96/27	🇨🇳CN	assigned
123.15.34.32/27	🇨🇳CN	assigned
123.15.35.64/27	🇨🇳CN	assigned
123.15.36.128/27	🇨🇳CN	assigned
123.15.53.0/27	🇨🇳CN	assigned
123.15.34.16/28	🇨🇳CN	assigned
123.15.49.112/28	🇨🇳CN	assigned
123.15.49.144/28	🇨🇳CN	assigned
123.15.49.96/28	🇨🇳CN	assigned
123.15.44.16/28	🇨🇳CN	assigned
123.15.32.176/28	🇨🇳CN	assigned
123.15.44.32/28	🇨🇳CN	assigned
123.15.45.80/28	🇨🇳CN	assigned
123.15.38.64/28	🇨🇳CN	assigned
123.15.41.48/28	🇨🇳CN	assigned
123.15.34.192/28	🇨🇳CN	assigned
123.15.40.224/28	🇨🇳CN	assigned
123.15.38.112/28	🇨🇳CN	assigned
123.15.36.64/28	🇨🇳CN	assigned
123.15.42.240/28	🇨🇳CN	assigned
123.15.43.112/28	🇨🇳CN	assigned
123.15.49.0/28	🇨🇳CN	assigned
123.15.50.16/28	🇨🇳CN	assigned
123.15.42.112/28	🇨🇳CN	assigned
123.15.56.96/28	🇨🇳CN	assigned
123.15.47.128/28	🇨🇳CN	assigned
123.15.49.192/28	🇨🇳CN	assigned
123.15.47.176/28	🇨🇳CN	assigned
123.15.47.192/28	🇨🇳CN	assigned
123.15.43.16/28	🇨🇳CN	assigned
123.15.38.32/28	🇨🇳CN	assigned
123.15.44.112/28	🇨🇳CN	assigned
123.15.56.0/28	🇨🇳CN	assigned
123.15.32.240/28	🇨🇳CN	assigned
123.15.42.192/28	🇨🇳CN	assigned
123.15.32.208/28	🇨🇳CN	assigned
123.15.34.224/28	🇨🇳CN	assigned
123.15.42.144/28	🇨🇳CN	assigned
123.15.53.96/28	🇨🇳CN	assigned
123.15.56.80/28	🇨🇳CN	assigned
123.15.44.160/28	🇨🇳CN	assigned
123.15.40.16/29	🇨🇳CN	assigned
123.15.54.136/29	🇨🇳CN	assigned
123.15.40.160/29	🇨🇳CN	assigned
123.15.36.8/29	🇨🇳CN	assigned
123.15.54.48/29	🇨🇳CN	assigned
123.15.36.96/29	🇨🇳CN	assigned
123.15.41.40/29	🇨🇳CN	assigned
123.15.32.8/29	🇨🇳CN	assigned
123.15.44.136/29	🇨🇳CN	assigned
123.15.35.48/29	🇨🇳CN	assigned
123.15.44.104/29	🇨🇳CN	assigned
123.15.55.48/29	🇨🇳CN	assigned
123.15.44.192/29	🇨🇳CN	assigned
123.15.35.192/29	🇨🇳CN	assigned
123.15.42.72/29	🇨🇳CN	assigned
123.15.44.96/29	🇨🇳CN	assigned
123.15.56.56/29	🇨🇳CN	assigned
123.15.33.64/29	🇨🇳CN	assigned
123.15.42.104/29	🇨🇳CN	assigned
123.15.42.168/29	🇨🇳CN	assigned
123.15.36.16/29	🇨🇳CN	assigned
123.15.48.72/29	🇨🇳CN	assigned
123.15.53.32/29	🇨🇳CN	assigned
123.15.42.80/29	🇨🇳CN	assigned
123.15.43.40/29	🇨🇳CN	assigned
123.15.52.184/29	🇨🇳CN	assigned
123.15.47.208/29	🇨🇳CN	assigned
123.15.51.56/29	🇨🇳CN	assigned
123.15.36.208/29	🇨🇳CN	assigned
123.15.43.216/29	🇨🇳CN	assigned
123.15.40.112/29	🇨🇳CN	assigned
123.15.50.96/29	🇨🇳CN	assigned
123.15.53.88/29	🇨🇳CN	assigned
123.15.38.224/29	🇨🇳CN	assigned
123.15.41.72/29	🇨🇳CN	assigned
123.15.42.16/29	🇨🇳CN	assigned
123.15.44.240/29	🇨🇳CN	assigned
123.15.37.168/29	🇨🇳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/123.8.0.0/13

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

curl -s "https://api.ipctl.io/v1/prefix/123.8.0.0/13" | jq

External Links

RIPEstat Hurricane Electric BGP