121.10.0.0/16 IP Address Range

Explore geolocation information for IP ranges, including the start and end addresses and their corresponding CIDR or prefix. See details about the networks and locations associated with each address. Understand how these IPs are organized and distributed across different networks.

IPv4 range intelligence

121.10.0.0/16

Anycast
0 (0.00%)
Responding /24s
111 (of 256)
CDN
0 (0.00%)
RPKI valid
88.3%

Summary

121.10.0.0/16 holds 65,536 addresses spread across 1 country and 4 autonomous systems, announced through 10 BGP prefixes. The largest single share sits in China at 100.00%. It is administered by APNIC, with registrations dating from 2006-05-18. 2,032 addresses answered ping and 0 are served over anycast.

Networks
4
BGP prefixes
10
Countries
1
Pingable IPs
2,032
Companies
1
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

51,533 flagged addresses — 78.63% of 65,536 total.

Anonymous
440.07%
Known attacker
230.04%
Spam
5<0.01%
Bot
00.00%
Cloud provider
51,51078.60%
VPN
2<0.01%
Residential proxy
420.06%
Proxy
420.06%

Coverage

Address Space

100.0%

of the range is
announced in BGP

Routed
65,536 100.00%

Regional registry

  • APNIC100.00%

Routing security (RPKI)

88.3%

of announced space
has a valid route origin

Valid
57,856 88.28%
Invalid
7,680 11.72%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 4 of 4

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS4134
CNChina Telecom Corporation Limited
 2,245 663 47,104
71.88%
AS140308
CNChina Telecom Corporation Limited
 117 3 10,752
16.41%
AS140318
CNChina Telecom Corporation Limited
 103 6 5,632
8.59%
AS140309
CNChina Telecom Corporation Limited
 89 6 2,048
3.13%

Showing 4 of 4

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
121.10.0.0/24 121.10.0.0121.10.0.255256 4818.75% 0 0 Pingable
121.10.1.0/24 121.10.1.0121.10.1.255256 3714.45% 0 0 Pingable
121.10.2.0/24 121.10.2.0121.10.2.255256 3513.67% 0 0 Pingable
121.10.3.0/24 121.10.3.0121.10.3.255256 3814.84% 0 0 Pingable
121.10.4.0/24 121.10.4.0121.10.4.255256 259.77% 0 0 Pingable
121.10.5.0/24 121.10.5.0121.10.5.255256 2911.33% 0 0 Pingable
121.10.6.0/24 121.10.6.0121.10.6.255256 0 0 0 No ping response
121.10.7.0/24 121.10.7.0121.10.7.255256 3614.06% 0 0 Pingable
121.10.8.0/24 121.10.8.0121.10.8.255256 0 0 0 No ping response
121.10.9.0/24 121.10.9.0121.10.9.255256 0 0 0 No ping response