121.45.0.0/16 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

121.45.0.0/16

Anycast
0 (0.00%)
Responding /24s
216 (of 256)
CDN
0 (0.00%)
RPKI valid
0.0%

Summary

121.45.0.0/16 holds 65,536 addresses spread across 1 country and 2 autonomous systems, announced through 24 BGP prefixes. The largest single share sits in Australia at 100.00%. It is administered by APNIC, with registrations dating from 2007-02-15. 18,031 addresses answered ping and 0 are served over anycast.

Networks
2
BGP prefixes
24
Countries
1
Pingable IPs
18,031
Companies
2
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

661 flagged addresses — 1.01% of 65,536 total.

Anonymous
6541.00%
Known attacker
5<0.01%
Spam
3<0.01%
Bot
3<0.01%
Cloud provider
00.00%
VPN
00.00%
Residential proxy
6541.00%
Proxy
6541.00%

Coverage

Address Space

100.0%

of the range is
announced in BGP

Routed
65,536 100.00%

Regional registry

  • APNIC100.00%

Routing security (RPKI)

0.0%

of announced space
has a valid route origin

No ROA
65,536 100.00%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 2 of 2

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS7545
AUTPG Internet Pty Ltd
 4,648 1,825 55,296
84.38%
AS4739
AUiiNet Limited
 399 7 10,240
15.63%

Showing 2 of 2

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
121.45.0.0/24 121.45.0.0121.45.0.255256 0 0 0 No ping response
121.45.1.0/24 121.45.1.0121.45.1.255256 0 0 0 No ping response
121.45.2.0/24 121.45.2.0121.45.2.255256 0 0 0 No ping response
121.45.3.0/24 121.45.3.0121.45.3.255256 0 0 0 No ping response
121.45.4.0/24 121.45.4.0121.45.4.255256 0 0 0 No ping response
121.45.5.0/24 121.45.5.0121.45.5.255256 0 0 0 No ping response
121.45.6.0/24 121.45.6.0121.45.6.255256 0 0 0 No ping response
121.45.7.0/24 121.45.7.0121.45.7.255256 0 0 0 No ping response
121.45.8.0/24 121.45.8.0121.45.8.255256 0 0 0 No ping response
121.45.9.0/24 121.45.9.0121.45.9.255256 0 0 0 No ping response