61.66.0.0/16 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

61.66.0.0/16

Anycast
0 (0.00%)
Responding /24s
122 (of 256)
CDN
0 (0.00%)
RPKI valid
100.0%

Summary

61.66.0.0/16 holds 65,536 addresses spread across 1 country and 2 autonomous systems, announced through 112 BGP prefixes. The largest single share sits in Taiwan at 100.00%. It is administered by APNIC, with registrations dating from 2001-02-21. 1,241 addresses answered ping and 0 are served over anycast.

Networks
2
BGP prefixes
112
Countries
1
Pingable IPs
1,241
Companies
1
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

13,073 flagged addresses — 19.95% of 65,536 total.

Anonymous
90.01%
Known attacker
5<0.01%
Spam
1<0.01%
Bot
00.00%
Cloud provider
13,07219.95%
VPN
5<0.01%
Residential proxy
6<0.01%
Proxy
6<0.01%

Coverage

Address Space

100.0%

of the range is
announced in BGP

Routed
65,536 100.00%

Regional registry

  • APNIC100.00%

Routing security (RPKI)

100.0%

of announced space
has a valid route origin

Valid
65,536 100.00%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 2 of 2

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS9919
TWNew Century InfoComm Tech Co., Ltd.
 841 16 43,520
66.41%
AS4780
TWNew Century InfoComm Tech Co., Ltd.
 1,637 15 22,016
33.59%

Showing 2 of 2

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
61.66.0.0/24 61.66.0.061.66.0.255256 0 0 0 No ping response
61.66.1.0/24 61.66.1.061.66.1.255256 0 0 0 No ping response
61.66.2.0/24 61.66.2.061.66.2.255256 0 0 0 No ping response
61.66.3.0/24 61.66.3.061.66.3.255256 0 0 0 No ping response
61.66.4.0/24 61.66.4.061.66.4.255256 10.39% 0 0 Pingable
61.66.5.0/24 61.66.5.061.66.5.255256 0 0 0 No ping response
61.66.6.0/24 61.66.6.061.66.6.255256 0 0 0 No ping response
61.66.7.0/24 61.66.7.061.66.7.255256 0 0 0 No ping response
61.66.8.0/24 61.66.8.061.66.8.255256 10.39% 0 0 Pingable
61.66.9.0/24 61.66.9.061.66.9.255256 10.39% 0 0 Pingable