121.58.0.0/16 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

121.58.0.0/16

Anycast
0 (0.00%)
Responding /24s
133 (of 256)
CDN
0 (0.00%)
RPKI valid
40.0%

Summary

121.58.0.0/16 holds 65,536 addresses spread across 5 countries and 9 autonomous systems, announced through 33 BGP prefixes. The largest single share sits in China at 62.50%. It is administered by APNIC, with registrations dating from 2006-05-31. 3,152 addresses answered ping and 0 are served over anycast.

Networks
9
BGP prefixes
33
Countries
5
Pingable IPs
3,152
Companies
7
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

7,441 flagged addresses — 11.35% of 65,536 total.

Anonymous
2000.31%
Known attacker
120.02%
Spam
6<0.01%
Bot
1<0.01%
Cloud provider
7,23211.04%
VPN
6<0.01%
Residential proxy
1940.30%
Proxy
1940.30%

Coverage

Address Space

85.9%

of the range is
announced in BGP

Routed
56,320 85.94%
Assigned, not routed
9,216 14.06%

Regional registry

  • APNIC100.00%

Routing security (RPKI)

40.0%

of announced space
has a valid route origin

Valid
22,528 40.00%
No ROA
33,792 60.00%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 9 of 9

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS4134
CNChina Telecom Corporation Limited
 2,245 663 24,576
43.64%
AS17639
PHConverge ICT Solutions Inc.
 575 44 16,128
28.64%
AS4809
CNChina Telecom Corporation Limited
 239 196 7,680
13.64%
AS7670
JPEneCom, Inc.
 19 1 2,048
3.64%
AS38896
IDPT. Centra Global Investama
 54 1 2,048
3.64%
AS131954
JPKawaguchiko cable television Inc
 5 1 2,048
3.64%
AS4847
CNChina Networks Inter Exchange
 869 17 1,024
1.82%
AS151058
CNChina Telecom Corporation Limited
 9 73 512
0.91%
AS18188
PHAteneo de Manila University
 3 0 256
0.45%

Showing 9 of 9

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
121.58.0.0/24 121.58.0.0121.58.0.255256 0 0 0 No ping response
121.58.1.0/24 121.58.1.0121.58.1.255256 6123.83% 0 0 Pingable
121.58.2.0/24 121.58.2.0121.58.2.255256 0 0 0 No ping response
121.58.3.0/24 121.58.3.0121.58.3.255256 0 0 0 No ping response
121.58.4.0/24 121.58.4.0121.58.4.255256 0 0 0 No ping response
121.58.5.0/24 121.58.5.0121.58.5.255256 0 0 0 No ping response
121.58.6.0/24 121.58.6.0121.58.6.255256 0 0 0 No ping response
121.58.7.0/24 121.58.7.0121.58.7.255256 0 0 0 No ping response
121.58.8.0/24 121.58.8.0121.58.8.255256 0 0 0 No ping response
121.58.9.0/24 121.58.9.0121.58.9.255256 0 0 0 No ping response