101.251.0.0/16 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

101.251.0.0/16

Anycast
0 (0.00%)
Responding /24s
70 (of 256)
CDN
0 (0.00%)
RPKI valid
85.7%

Summary

101.251.0.0/16 holds 65,536 addresses spread across 2 countries and 10 autonomous systems, announced through 36 BGP prefixes. The largest single share sits in China at 98.44%. It is administered by APNIC, with registrations dating from 2011-03-09. 1,557 addresses answered ping and 0 are served over anycast.

Networks
10
BGP prefixes
36
Countries
2
Pingable IPs
1,557
Companies
7
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

7,201 flagged addresses — 10.99% of 65,536 total.

Anonymous
280.04%
Known attacker
290.04%
Spam
00.00%
Bot
00.00%
Cloud provider
7,16810.94%
VPN
220.03%
Residential proxy
70.01%
Proxy
80.01%

Coverage

Address Space

54.7%

of the range is
announced in BGP

Routed
35,840 54.69%
Assigned, not routed
29,696 45.31%

Regional registry

  • APNIC100.00%

Routing security (RPKI)

85.7%

of announced space
has a valid route origin

Valid
30,720 85.71%
Invalid
1,024 2.86%
No ROA
4,096 11.43%

Autonomous systems

showing 10 of 10

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS23724
CNChina Telecom Corporation Limited
 835 84 15,360
42.86%
AS4837
CNChina Unicom
 1,523 652 4,096
11.43%
AS133775
CNChina Telecom
 54 33 4,096
11.43%
AS140292
CNChina Telecom Corporation Limited
 3,594 614 4,096
11.43%
AS141771
CNChina Telecom Corporation Limited
 60 3 4,096
11.43%
AS58519
CNChina Telecom Corporation Limited
 262 12 1,024
2.86%
AS63199
USCDS Global Cloud Co., Ltd
 505 28 1,024
2.86%
AS131568
CNXiamen Kuaikuai Network Technology Co.,Ltd
 5 0 1,024
2.86%
AS45170
NPNepal R&E Network
 2 1 512
1.43%
AS132856
NPKathmandu University
 3 3 512
1.43%

Showing 10 of 10

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
101.251.0.0/24 101.251.0.0101.251.0.255256 0 0 0 No ping response
101.251.1.0/24 101.251.1.0101.251.1.255256 0 0 0 No ping response
101.251.2.0/24 101.251.2.0101.251.2.255256 0 0 0 No ping response
101.251.3.0/24 101.251.3.0101.251.3.255256 0 0 0 No ping response
101.251.4.0/24 101.251.4.0101.251.4.255256 0 0 0 No ping response
101.251.5.0/24 101.251.5.0101.251.5.255256 0 0 0 No ping response
101.251.6.0/24 101.251.6.0101.251.6.255256 3212.50% 0 0 Pingable
101.251.7.0/24 101.251.7.0101.251.7.255256 93.52% 0 0 Pingable
101.251.8.0/24 101.251.8.0101.251.8.255256 0 0 0 No ping response
101.251.9.0/24 101.251.9.0101.251.9.255256 0 0 0 No ping response