203.211.0.0/16 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

203.211.0.0/16

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

Summary

203.211.0.0/16 holds 65,536 addresses spread across 6 countries and 6 autonomous systems, announced through 53 BGP prefixes. The largest single share sits in Japan at 46.88%. It is administered by APNIC, with registrations dating from 2000-11-15. 1,684 addresses answered ping and 0 are served over anycast.

Networks
6
BGP prefixes
53
Countries
6
Pingable IPs
1,684
Companies
6
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

27,152 flagged addresses — 41.43% of 65,536 total.

Anonymous
2,5613.91%
Known attacker
1,0321.57%
Spam
100.02%
Bot
1<0.01%
Cloud provider
24,58437.51%
VPN
1,0231.56%
Residential proxy
1,8532.83%
Proxy
1,8532.83%

Coverage

Address Space

98.4%

of the range is
announced in BGP

Routed
64,512 98.44%
Assigned, not routed
1,024 1.56%

Regional registry

  • APNIC100.00%

Routing security (RPKI)

100.0%

of announced space
has a valid route origin

Valid
64,512 100.00%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 6 of 6

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS7671
JPNTT SmartConnect Corporation
61 3 24,576
38.10%
AS45177
NZDevoli Limited
107 106 16,384
25.40%
AS9924
TWTaiwan Fixed Network Co., Ltd.
630 31 8,192
12.70%
AS17547
SGM1 Net Ltd
46 2 8,192
12.70%
AS18135
JPBTV Cable Television Co., Ltd.
10 1 6,144
9.52%
AS9821
PHAdvanced Science and Technology Institute
3 1 1,024
1.59%

Showing 6 of 6

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
203.211.0.0/24 203.211.0.0203.211.0.255256 0 0 0 No ping response
203.211.1.0/24 203.211.1.0203.211.1.255256 10741.80% 0 0 Pingable
203.211.2.0/24 203.211.2.0203.211.2.255256 19475.78% 0 0 Pingable
203.211.3.0/24 203.211.3.0203.211.3.255256 0 0 0 No ping response
203.211.4.0/24 203.211.4.0203.211.4.255256 15660.94% 0 0 Pingable
203.211.5.0/24 203.211.5.0203.211.5.255256 5923.05% 0 0 Pingable
203.211.6.0/24 203.211.6.0203.211.6.255256 12046.88% 0 0 Pingable
203.211.7.0/24 203.211.7.0203.211.7.255256 5621.88% 0 0 Pingable
203.211.8.0/24 203.211.8.0203.211.8.255256 5621.88% 0 0 Pingable
203.211.9.0/24 203.211.9.0203.211.9.255256 4617.97% 0 0 Pingable