Home Prefix Lookup121.31.108.0/22

121.31.108.0/22

🇨🇳

IPv4APNICannouncedAS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone RPKI Invalid

CIDR

121.31.108.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇨🇳 China

City

Liuchow

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
121.31.108.0/22	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Invalid	—	5/31/2026

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
121.31.0.0/16	AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone	Valid	—	5/31/2026

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
121.31.0.0/16	AS4837	/16	apnic

More Specific Prefixes

100

Prefix	Country	Status
121.31.110.88/29	🇨🇳CN	assigned
121.31.110.192/29	🇨🇳CN	assigned
121.31.110.128/29	🇨🇳CN	assigned
121.31.110.144/30	🇨🇳CN	assigned
121.31.110.248/30	🇨🇳CN	assigned
121.31.110.136/30	🇨🇳CN	assigned
121.31.110.236/31	🇨🇳CN	assigned
121.31.110.170/31	🇨🇳CN	assigned
121.31.110.228/31	🇨🇳CN	assigned
121.31.110.30/31	🇨🇳CN	assigned
121.31.110.38/31	🇨🇳CN	assigned
121.31.110.40/31	🇨🇳CN	assigned
121.31.110.226/31	🇨🇳CN	assigned
121.31.110.70/31	🇨🇳CN	assigned
121.31.110.190/31	🇨🇳CN	assigned
121.31.110.126/31	🇨🇳CN	assigned
121.31.110.142/31	🇨🇳CN	assigned
121.31.110.32/31	🇨🇳CN	assigned
121.31.110.120/32	🇨🇳CN	assigned
121.31.110.124/32	🇨🇳CN	assigned
121.31.110.125/32	🇨🇳CN	assigned
121.31.110.149/32	🇨🇳CN	assigned
121.31.110.155/32	🇨🇳CN	assigned
121.31.110.156/32	🇨🇳CN	assigned
121.31.110.167/32	🇨🇳CN	assigned
121.31.110.218/32	🇨🇳CN	assigned
121.31.110.222/32	🇨🇳CN	assigned
121.31.110.234/32	🇨🇳CN	assigned
121.31.111.5/32	🇨🇳CN	assigned
121.31.110.97/32	🇨🇳CN	assigned
121.31.110.29/32	🇨🇳CN	assigned
121.31.110.223/32	🇨🇳CN	assigned
121.31.110.247/32	🇨🇳CN	assigned
121.31.110.225/32	🇨🇳CN	assigned
121.31.110.98/32	🇨🇳CN	assigned
121.31.110.154/32	🇨🇳CN	assigned
121.31.110.47/32	🇨🇳CN	assigned
121.31.110.21/32	🇨🇳CN	assigned
121.31.110.246/32	🇨🇳CN	assigned
121.31.110.160/32	🇨🇳CN	assigned
121.31.110.165/32	🇨🇳CN	assigned
121.31.110.49/32	🇨🇳CN	assigned
121.31.110.111/32	🇨🇳CN	assigned
121.31.110.215/32	🇨🇳CN	assigned
121.31.110.24/32	🇨🇳CN	assigned
121.31.110.54/32	🇨🇳CN	assigned
121.31.110.55/32	🇨🇳CN	assigned
121.31.110.63/32	🇨🇳CN	assigned
121.31.110.72/32	🇨🇳CN	assigned
121.31.110.87/32	🇨🇳CN	assigned
121.31.110.110/32	🇨🇳CN	assigned
121.31.110.117/32	🇨🇳CN	assigned
121.31.110.164/32	🇨🇳CN	assigned
121.31.110.168/32	🇨🇳CN	assigned
121.31.110.169/32	🇨🇳CN	assigned
121.31.110.200/32	🇨🇳CN	assigned
121.31.110.216/32	🇨🇳CN	assigned
121.31.110.233/32	🇨🇳CN	assigned
121.31.110.235/32	🇨🇳CN	assigned
121.31.110.56/32	🇨🇳CN	assigned
121.31.110.67/32	🇨🇳CN	assigned
121.31.110.105/32	🇨🇳CN	assigned
121.31.110.140/32	🇨🇳CN	assigned
121.31.110.141/32	🇨🇳CN	assigned
121.31.110.150/32	🇨🇳CN	assigned
121.31.110.158/32	🇨🇳CN	assigned
121.31.110.161/32	🇨🇳CN	assigned
121.31.110.162/32	🇨🇳CN	assigned
121.31.110.172/32	🇨🇳CN	assigned
121.31.110.220/32	🇨🇳CN	assigned
121.31.110.22/32	🇨🇳CN	assigned
121.31.110.50/32	🇨🇳CN	assigned
121.31.110.57/32	🇨🇳CN	assigned
121.31.110.58/32	🇨🇳CN	assigned
121.31.110.61/32	🇨🇳CN	assigned
121.31.110.69/32	🇨🇳CN	assigned
121.31.110.96/32	🇨🇳CN	assigned
121.31.110.99/32	🇨🇳CN	assigned
121.31.110.119/32	🇨🇳CN	assigned
121.31.110.122/32	🇨🇳CN	assigned
121.31.110.148/32	🇨🇳CN	assigned
121.31.110.152/32	🇨🇳CN	assigned
121.31.110.153/32	🇨🇳CN	assigned
121.31.110.221/32	🇨🇳CN	assigned
121.31.110.231/32	🇨🇳CN	assigned
121.31.110.238/32	🇨🇳CN	assigned
121.31.110.241/32	🇨🇳CN	assigned
121.31.110.11/32	🇨🇳CN	assigned
121.31.110.44/32	🇨🇳CN	assigned
121.31.110.46/32	🇨🇳CN	assigned
121.31.110.48/32	🇨🇳CN	assigned
121.31.110.51/32	🇨🇳CN	assigned
121.31.110.52/32	🇨🇳CN	assigned
121.31.110.53/32	🇨🇳CN	assigned
121.31.110.60/32	🇨🇳CN	assigned
121.31.110.68/32	🇨🇳CN	assigned
121.31.110.74/32	🇨🇳CN	assigned
121.31.110.79/32	🇨🇳CN	assigned
121.31.110.80/32	🇨🇳CN	assigned
121.31.110.81/32	🇨🇳CN	assigned

Origin ASN

AS4837

CHINA169-Backbone - CHINA UNICOM China169 Backbone

Geolocation

Country🇨🇳ChinaCN

RegionGuangxi

CityLiuchow

Coordinates24.3255, 109.4150 ↗

API

Open

GEThttps://api.ipctl.io/v1/prefix/121.31.108.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/121.31.108.0/22" | jq

External Links

RIPEstat Hurricane Electric BGP