203.131.0.0/16 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

203.131.0.0/16

Anycast
0 (0.00%)
Responding /24s
60 (of 256)
CDN
0 (0.00%)
RPKI valid
82.4%

Summary

203.131.0.0/16 holds 65,536 addresses spread across 5 countries and 7 autonomous systems, announced through 33 BGP prefixes. The largest single share sits in Philippines at 50.00%. It is administered by APNIC, with registrations dating from 1998-03-04. 1,308 addresses answered ping and 0 are served over anycast.

Networks
7
BGP prefixes
33
Countries
5
Pingable IPs
1,308
Companies
7
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

230 flagged addresses — 0.35% of 65,536 total.

Anonymous
720.11%
Known attacker
80.01%
Spam
2<0.01%
Bot
160.02%
Cloud provider
1360.21%
VPN
4<0.01%
Residential proxy
710.11%
Proxy
710.11%

Coverage

Address Space

75.8%

of the range is
announced in BGP

Routed
49,664 75.78%
Assigned, not routed
15,872 24.22%

Regional registry

  • APNIC100.00%

Routing security (RPKI)

82.4%

of announced space
has a valid route origin

Valid
40,928 82.41%
Invalid
32 0.06%
No ROA
8,704 17.53%

Autonomous systems

showing 7 of 7

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS7629
PHVITRO, Inc.
86 6 32,768
65.98%
AS9293
HKHKNet Co. Ltd.
133 1 4,096
8.25%
AS17707
JPNHN Techorus Corp.
23 4 4,096
8.25%
AS37992
THThammasat University
33 7 4,096
8.25%
AS2914
USNTT America, Inc.
1,709 11 4,064
8.18%
AS2764
AUAAPT Limited
1,440 99 512
1.03%
AS45896
VNMobifone Global JSC
54 2 32
0.06%

Showing 7 of 7

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
203.131.0.0/24 203.131.0.0203.131.0.255256 0 0 0 No ping response
203.131.1.0/24 203.131.1.0203.131.1.255256 0 0 0 No ping response
203.131.2.0/24 203.131.2.0203.131.2.255256 0 0 0 No ping response
203.131.3.0/24 203.131.3.0203.131.3.255256 0 0 0 No ping response
203.131.4.0/24 203.131.4.0203.131.4.255256 0 0 0 No ping response
203.131.5.0/24 203.131.5.0203.131.5.255256 0 0 0 No ping response
203.131.6.0/24 203.131.6.0203.131.6.255256 0 0 0 No ping response
203.131.7.0/24 203.131.7.0203.131.7.255256 0 0 0 No ping response
203.131.8.0/24 203.131.8.0203.131.8.255256 0 0 0 No ping response
203.131.9.0/24 203.131.9.0203.131.9.255256 0 0 0 No ping response