203.173.0.0/16 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

203.173.0.0/16

Anycast
0 (0.00%)
Responding /24s
78 (of 256)
CDN
0 (0.00%)
RPKI valid
67.9%

Summary

203.173.0.0/16 holds 65,536 addresses spread across 6 countries and 15 autonomous systems, announced through 51 BGP prefixes. The largest single share sits in New Zealand at 50.00%. It is administered by APNIC, with registrations dating from 2000-02-01. 3,542 addresses answered ping and 0 are served over anycast.

Networks
15
BGP prefixes
51
Countries
6
Pingable IPs
3,542
Companies
13
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

2,409 flagged addresses — 3.68% of 65,536 total.

Anonymous
1020.16%
Known attacker
360.05%
Spam
00.00%
Bot
00.00%
Cloud provider
2,3043.52%
VPN
330.05%
Residential proxy
680.10%
Proxy
690.11%

Coverage

Address Space

97.3%

of the range is
announced in BGP

Routed
63,744 97.27%
Assigned, not routed
1,792 2.73%

Regional registry

  • APNIC100.00%

Routing security (RPKI)

67.9%

of announced space
has a valid route origin

Valid
43,264 67.87%
No ROA
20,480 32.13%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 10 of 15

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS9500
NZOne New Zealand Group Limited
 19 2 32,768
51.41%
AS4739
AUiiNet Limited
 399 7 6,912
10.84%
AS7545
AUTPG Internet Pty Ltd
 4,648 1,825 6,144
9.64%
AS38676
KRFlex Networks Co., Ltd.
 209 0 5,888
9.24%
AS17977
JPSingapore Telecom Japan Ltd
 2 0 4,096
6.43%
AS56309
THSiamdata Communication Co., Ltd.
 387 7 2,048
3.21%
AS4802
AUiiNet Limited
 24 5 1,536
2.41%
AS18059
IDPT Dwi Tunggal Putra
 109 2 1,024
1.61%
AS139460
IDPT Maxindo Mitra Solusi
 18 1 768
1.20%
AS4766
KRKT Corporation
 2,733 77 512
0.80%

Showing 10 of 10

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
203.173.0.0/24 203.173.0.0203.173.0.255256 7127.73% 0 0 Pingable
203.173.1.0/24 203.173.1.0203.173.1.255256 7830.47% 0 0 Pingable
203.173.2.0/24 203.173.2.0203.173.2.255256 6926.95% 0 0 Pingable
203.173.3.0/24 203.173.3.0203.173.3.255256 5621.88% 0 0 Pingable
203.173.4.0/24 203.173.4.0203.173.4.255256 6625.78% 0 0 Pingable
203.173.5.0/24 203.173.5.0203.173.5.255256 5822.66% 0 0 Pingable
203.173.6.0/24 203.173.6.0203.173.6.255256 6926.95% 0 0 Pingable
203.173.7.0/24 203.173.7.0203.173.7.255256 8131.64% 0 0 Pingable
203.173.8.0/24 203.173.8.0203.173.8.255256 0 0 0 No ping response
203.173.9.0/24 203.173.9.0203.173.9.255256 0 0 0 No ping response