203.77.0.0/16 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

203.77.0.0/16

Anycast
0 (0.00%)
Responding /24s
63 (of 256)
CDN
0 (0.00%)
RPKI valid
80.5%

Summary

203.77.0.0/16 holds 65,536 addresses spread across 11 countries and 15 autonomous systems, announced through 84 BGP prefixes. The largest single share sits in Taiwan at 50.00%. It is administered by APNIC, with registrations dating from 1995-10-26. 2,484 addresses answered ping and 0 are served over anycast.

Networks
15
BGP prefixes
84
Countries
11
Pingable IPs
2,484
Companies
14
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

2,788 flagged addresses — 4.25% of 65,536 total.

Anonymous
4770.73%
Known attacker
430.07%
Spam
3<0.01%
Bot
00.00%
Cloud provider
2,3043.52%
VPN
370.06%
Residential proxy
4560.70%
Proxy
4570.70%

Coverage

Address Space

90.2%

of the range is
announced in BGP

Routed
59,136 90.23%
Assigned, not routed
6,400 9.77%

Regional registry

  • APNIC100.00%

Routing security (RPKI)

80.5%

of announced space
has a valid route origin

Valid
47,616 80.52%
No ROA
11,520 19.48%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 10 of 15

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS24164
TWUnion Broadband Network
 249 12 18,176
30.74%
AS4662
TWGCNet Reach & Range Inc.
 0 0 11,776
19.91%
AS9660
HKTelecommunication and ISP company
 4 0 8,192
13.85%
AS9228
IDPT. Total Info Kharisma
 26 1 7,936
13.42%
AS17913
INGuj Info Petro Limited
 6 0 4,096
6.93%
AS18393
IDJava Online, PT.
 10 0 2,560
4.33%
AS24165
TWUnion Broadband Network
 56 3 2,048
3.46%
AS153526
LALaos Mobile Communications Sole Co., Ltd
 16 1 2,048
3.46%
AS9924
TWTaiwan Fixed Network Co., Ltd.
 630 31 512
0.87%
AS399768
USVerition Group LLC
 10 0 512
0.87%

Showing 10 of 10

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
203.77.0.0/24 203.77.0.0203.77.0.255256 0 0 0 No ping response
203.77.1.0/24 203.77.1.0203.77.1.255256 0 0 0 No ping response
203.77.2.0/24 203.77.2.0203.77.2.255256 0 0 0 No ping response
203.77.3.0/24 203.77.3.0203.77.3.255256 0 0 0 No ping response
203.77.4.0/24 203.77.4.0203.77.4.255256 0 0 0 No ping response
203.77.5.0/24 203.77.5.0203.77.5.255256 0 0 0 No ping response
203.77.6.0/24 203.77.6.0203.77.6.255256 10.39% 0 0 Pingable
203.77.7.0/24 203.77.7.0203.77.7.255256 0 0 0 No ping response
203.77.8.0/24 203.77.8.0203.77.8.255256 0 0 0 No ping response
203.77.9.0/24 203.77.9.0203.77.9.255256 0 0 0 No ping response