151.181.0.0/16 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

151.181.0.0/16

Anycast
0 (0.00%)
Responding /24s
110 (of 256)
CDN
0 (0.00%)
RPKI valid
0.0%

Summary

151.181.0.0/16 holds 65,536 addresses spread across 2 countries and 7 autonomous systems, announced through 59 BGP prefixes. The largest single share sits in United States at 99.99%. It is administered by ARIN, with registrations dating from 1991-09-17. 3,083 addresses answered ping and 0 are served over anycast.

Networks
7
BGP prefixes
59
Countries
2
Pingable IPs
3,083
Companies
7
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

31,488 flagged addresses — 48.05% of 65,536 total.

Anonymous
690.11%
Known attacker
280.04%
Spam
00.00%
Bot
00.00%
Cloud provider
31,48848.05%
VPN
280.04%
Residential proxy
580.09%
Proxy
580.09%

Coverage

Address Space

53.9%

of the range is
announced in BGP

Routed
35,328 53.91%
Assigned, not routed
30,208 46.09%

Regional registry

  • ARIN100.00%

Routing security (RPKI)

0.0%

of announced space
has a valid route origin

No ROA
35,328 100.00%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 7 of 7

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS46887
USZayo Group, LLC
798 258 31,232
88.41%
AS3576
USHodgson Russ LLP
7 0 2,560
7.25%
AS16657
USZayo Bandwidth
3 0 512
1.45%
AS13602
USI Evolve Technology Services
10 4 256
0.72%
AS17096
USSUMMIT RACING
3 0 256
0.72%
AS29822
USArcher and Greiner
2 0 256
0.72%
AS394985
USCity of Hudson, Ohio
5 0 256
0.72%

Showing 7 of 7

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
151.181.0.0/24 151.181.0.0151.181.0.255256 0 0 0 No ping response
151.181.1.0/24 151.181.1.0151.181.1.255256 0 0 0 No ping response
151.181.2.0/24 151.181.2.0151.181.2.255256 0 0 0 No ping response
151.181.3.0/24 151.181.3.0151.181.3.255256 0 0 0 No ping response
151.181.4.0/24 151.181.4.0151.181.4.255256 0 0 0 No ping response
151.181.5.0/24 151.181.5.0151.181.5.255256 0 0 0 No ping response
151.181.6.0/24 151.181.6.0151.181.6.255256 0 0 0 No ping response
151.181.7.0/24 151.181.7.0151.181.7.255256 0 0 0 No ping response
151.181.8.0/24 151.181.8.0151.181.8.255256 0 0 0 No ping response
151.181.9.0/24 151.181.9.0151.181.9.255256 0 0 0 No ping response