210.251.0.0/16 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

210.251.0.0/16

Anycast
0 (0.00%)
Responding /24s
81 (of 256)
CDN
0 (0.00%)
RPKI valid
91.7%

Summary

210.251.0.0/16 holds 65,536 addresses spread across 1 country and 4 autonomous systems, announced through 5 BGP prefixes. The largest single share sits in Japan at 100.00%. It is administered by APNIC, with registrations dating from 1999-02-09. 795 addresses answered ping and 0 are served over anycast.

Networks
4
BGP prefixes
5
Countries
1
Pingable IPs
795
Companies
4
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

58 flagged addresses — 0.09% of 65,536 total.

Anonymous
340.05%
Known attacker
00.00%
Spam
00.00%
Bot
00.00%
Cloud provider
240.04%
VPN
00.00%
Residential proxy
340.05%
Proxy
340.05%

Coverage

Address Space

75.0%

of the range is
announced in BGP

Routed
49,152 75.00%
Assigned, not routed
16,384 25.00%

Regional registry

  • APNIC100.00%

Routing security (RPKI)

91.7%

of announced space
has a valid route origin

Valid
45,056 91.67%
No ROA
4,096 8.33%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 4 of 4

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS2516
JPKDDI Corporation
 562 9 32,768
66.67%
AS9354
JPCommunity Network Center Inc.
 37 1 8,192
16.67%
AS9600
JPSony Network Communications Inc.
 15 1 4,096
8.33%
AS18278
JPCable TV Corporation
 9 1 4,096
8.33%

Showing 4 of 4

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
210.251.0.0/24 210.251.0.0210.251.0.255256 0 0 0 No ping response
210.251.1.0/24 210.251.1.0210.251.1.255256 0 0 0 No ping response
210.251.2.0/24 210.251.2.0210.251.2.255256 0 0 0 No ping response
210.251.3.0/24 210.251.3.0210.251.3.255256 0 0 0 No ping response
210.251.4.0/24 210.251.4.0210.251.4.255256 0 0 0 No ping response
210.251.5.0/24 210.251.5.0210.251.5.255256 0 0 0 No ping response
210.251.6.0/24 210.251.6.0210.251.6.255256 0 0 0 No ping response
210.251.7.0/24 210.251.7.0210.251.7.255256 0 0 0 No ping response
210.251.8.0/24 210.251.8.0210.251.8.255256 0 0 0 No ping response
210.251.9.0/24 210.251.9.0210.251.9.255256 0 0 0 No ping response