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IPv4 Address

221.0.0.2

CHINA UNICOM China169 Backbone AS4837 · CHINA UNICOM China169 Backbone China Qingdao APNIC

Within

221.0.0.0/13

CIDR

221.0.0.0/16

/16 · 65.5K IPs

ASN

AS4837

CHINA UNICOM China169 Backbone

Reverse DNS

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Allocation details

CIDR range: 221.0.0.0/16
IP range (int): 3,707,764,736 — 3,707,830,271
Prefix length: /16
Organization: CHINA UNICOM China169 Backbone
ASN: AS4837
ASN name: CHINA UNICOM China169 Backbone
Country: China
City: Qingdao
Coordinates: 36.061000, 120.381400
Accuracy radius: 500 km
RIR: APNIC
Data source(s): maxmind_city, maxmind_asn, maxmind_country
Last updated: 2026-04-16 09:28:06

Neighbors

Other addresses in the same /24.

221.0.0.0 221.0.0.1 221.0.0.3 221.0.0.4 221.0.0.5 221.0.0.6 221.0.0.7 221.0.0.8 221.0.0.9 221.0.0.10 See all in 221.0.0.0/13 →

Related

/24 neighborhood /16 block /8 block All AS4837 ranges All CHINA UNICOM China169 Backbone ranges All China IPs

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