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CIDR Range

101.251.192.0/19

8.2K IPs /19 China APNIC
Addresses
8,192
8.2K
IP Range
101.251.192.0
→ 101.251.223.255
Sub-ranges
28+
within this block
PTR Density
1.5%
119 of 8.2K IPs have PTR

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 101.251.192.0/19

CIDRIPsOrganizationASNCountry
101.251.208.0/20 4.1K IDC, China Telecommunications Corporation AS23724 CN
101.251.192.0/20 4.1K — — CN
101.251.208.0/20 4.1K China Unicom Beijing Province Network AS4808 CN
101.251.216.0/21 2.0K — — CN
101.251.212.0/22 1.0K — — CN
101.251.204.0/22 1.0K China Unicom Beijing Province Network AS4808 CN
101.251.196.0/22 1.0K China Unicom Beijing Province Network AS4808 CN
101.251.196.0/22 1.0K China Unicom Beijing Province Network AS4808 CN
101.251.204.0/22 1.0K IDC, China Telecommunications Corporation AS23724 CN
101.251.210.0/23 512 — — CN
101.251.192.0/23 512 China Unicom Beijing Province Network AS4808 CN
101.251.192.0/23 512 China Unicom Beijing Province Network AS4808 CN
101.251.200.0/23 512 China Unicom Beijing Province Network AS4808 CN
101.251.200.0/23 512 China Unicom Beijing Province Network AS4808 CN
101.251.202.0/24 256 IDC, China Telecommunications Corporation AS23724 CN
101.251.194.0/24 256 China Unicom Beijing Province Network AS4808 CN
101.251.209.0/24 256 — — CN
101.251.194.0/24 256 China Unicom Beijing Province Network AS4808 CN
101.251.195.0/24 256 IDC, China Telecommunications Corporation AS23724 CN
101.251.195.0/24 256 IDC, China Telecommunications Corporation AS23724 CN
101.251.203.0/24 256 China Unicom Beijing Province Network AS4808 CN
101.251.202.0/24 256 IDC, China Telecommunications Corporation AS23724 CN
101.251.203.0/24 256 China Unicom Beijing Province Network AS4808 CN
101.251.208.128/25 128 — — CN
101.251.208.64/26 64 — — CN
101.251.208.32/27 32 — — CN
101.251.208.0/28 16 — — CN
101.251.208.16/28 16 — — CN

First and last addresses in 101.251.192.0/19

101.251.192.0/19 runs from 101.251.192.0 to 101.251.223.255.

First 16
101.251.192.0 101.251.192.1 101.251.192.2 101.251.192.3 101.251.192.4 101.251.192.5 101.251.192.6 101.251.192.7 101.251.192.8 101.251.192.9 101.251.192.10 101.251.192.11 101.251.192.12 101.251.192.13 101.251.192.14 101.251.192.15
Last 16
101.251.223.240 101.251.223.241 101.251.223.242 101.251.223.243 101.251.223.244 101.251.223.245 101.251.223.246 101.251.223.247 101.251.223.248 101.251.223.249 101.251.223.250 101.251.223.251 101.251.223.252 101.251.223.253 101.251.223.254 101.251.223.255

BGP Routing

Live BGP anomalies →

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
101.251.192.0/19
Origin AS
AS23724
Announcement samples
28,963
Last seen
2026-11-14 01:46:38

Frequently Asked Questions

What is 101.251.192.0/19?

101.251.192.0/19 is a CIDR network block containing 8,192 IPv4 addresses (from 101.251.192.0 to 101.251.223.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 101.251.192.0/19 network?

The 101.251.192.0/19 range is allocated to an unknown organization from China.

Last updated: 2026-11-14 01:54:05 UTC
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